[Bug 66963] New: r600: linux 3.11RC1 isn't booting with radeon.dpm=1 option in grub

[Bug 66963] New: r600: linux 3.11RC1 isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

          Priority: medium
            Bug ID: 66963
          Assignee: dri-devel@lists.freedesktop.org
           Summary: r600: linux 3.11RC1 isn't booting with radeon.dpm=1
                    option in grub
          Severity: blocker
    Classification: Unclassified
                OS: Linux (All)
          Reporter: ken20001@ukr.net
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: unspecified
         Component: DRM/Radeon
           Product: DRI

Linux 3.11RC1 isnt' booting with radeon.dpm=1 option in grub: screen becomes
blank after grub trying to boot it. Without radeon.dpm=1 option system boots
well. So, it seems, DPM isn't working.

Graphics: Radeon HD2600 XT
Linux: 3.11RC1
OS: Kubuntu 13.04
KDE: 4.11 beta2

Please, ask me for any additional info needed to help fix this issue.

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[Bug 66963] r600: linux 3.11RC1 isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #1 from Sergey <orbitgray@ukr.net> ---
I can see same behavior on 

Graphics: RV620/M82 Mobility Radeon HD 3450/3470
Kernel: 3.11-rc1
Mesa: 9.1.2-rc1, 9.2_pre20130619
OS: Gentoo
ARCH: x86_64
Other: fluxbox-1.3.2, xdm-1.1.11-r1, slim-1.3.5-r2

System works fine without 'radeon.dpm=1'. But with this option it completely
dies. It is not only graphics that fails. System is not responding to ping and
don't continue to boot. This happens after system started booting and before it
switches to radeon driver and higher resolutions.

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[Bug 66963] r600: linux 3.11RC1 isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

Alexandre Demers <alexandre.f.demers@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           See Also|                            |https://bugs.freedesktop.or
                   |                            |g/show_bug.cgi?id=66942

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[Bug 66963] r600: linux 3.11RC1 isn't booting with radeon.dpm=1 option in grub

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

Alex Deucher <agd5f@yahoo.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |hrvoje.senjan@gmail.com

--- Comment #2 from Alex Deucher <agd5f@yahoo.com> ---
*** Bug 67085 has been marked as a duplicate of this bug. ***

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[Bug 66963] r600: linux 3.11RC1 isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #3 from Sergey <orbitgray@ukr.net> ---
Tried patches from bug 66932 (attachment 82563, attachment 82560), but it
didn't help.

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[Bug 66963] r600: linux 3.11RC1 isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #4 from Alex Deucher <agd5f@yahoo.com> ---
Those patches aren't relevant to r6xx asics.  To help debug it, you might try
disabling options in rv6xx_dpm_init() in rv6xx_dpm.c and see if any of those
help.

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[Bug 66963] r600: linux 3.11RC1 isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #5 from Sergey <orbitgray@ukr.net> ---
Tried to play with rv6xx_dpm_init(), but no luck at all.
Toggling init conditions leads to same system stuck.

Though if I put 'return -1' system seems to boot (screen is still off). And I
can connect via ssh, but dmesg shows NULL pointer dereference in
rv6xx_dpm_ebable(). Probably it is expected if init fails.

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[Bug 66963] r600: linux 3.11RC1 isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #6 from Scias <shining.scias@gmail.com> ---
Same situation here on a RV635/HD3650 and on a RC-2 kernel. The new
radeon.aspm=0 parameter doesn't help either.

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

Eugene <ken20001@ukr.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |ken20001@ukr.net
            Summary|r600: linux 3.11RC1 isn't   |r600: linux 3.11RC isn't
                   |booting with radeon.dpm=1   |booting with radeon.dpm=1
                   |option in grub              |option in grub

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #7 from Sergey <orbitgray@ukr.net> ---
Some findings:

The actual hand happens in
drivers/gpu/drm/radeon/rv6xx_dpm.c:
int rv6xx_dpm_enable(struct radeon_device *rdev)
on 'r600_start_dpm(rdev)' call.
Makes sense that configurations are harmless before actual dpm is enabled.

>From this function it looks like we disable sclk and mclk do pll configuration,
then enable clocks back. But even if I leave:
void r600_start_dpm(struct radeon_device *rdev)
{
        r600_enable_sclk_control(rdev, false);
        r600_enable_mclk_control(rdev, false);

        r600_enable_sclk_control(rdev, true);
        r600_enable_mclk_control(rdev, true);
}
System still fails with black screen.

There is also peace of code in r600_start_dpm() that is duplicated:
         r600_enable_spll_bypass(rdev, true);
         r600_wait_for_spll_change(rdev);
         r600_enable_spll_bypass(rdev, false);
         r600_wait_for_spll_change(rdev);

         r600_enable_spll_bypass(rdev, true);
         r600_wait_for_spll_change(rdev);
         r600_enable_spll_bypass(rdev, false);
         r600_wait_for_spll_change(rdev);
(probably this intentional, just checking)

Sorry if it doesn't make any sense, I'm new with radeon driver and don't know
how 'dpm' is supposed to work for this HW.

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #8 from John <electrobs@gmail.com> ---
Same issue, with 3.11 RC2 and radeon.dpm=1 on a Lenovo T500 with a AMD 3650.
Though my screen goes black and then gradually goes white when enabled. Without
the option pc boots normally.

Graphics: Switchable (disabled) between AMD 3650 and Intel 4500
Linux: 3.11 rc2
OS: Kubuntu 13.04
KDE: 4.11 beta 2
xorg: xorg-edgers ppa enabled

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #9 from Alex Deucher <agd5f@yahoo.com> ---
I pushed a few bug fixes here:
http://cgit.freedesktop.org/~agd5f/linux/log/?h=rv6xx-dpm-fixes

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #10 from Sergey <orbitgray@ukr.net> ---
Tried last 4 patches from Alex. Didn't work for me. The issue remains.

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #11 from Alex Deucher <agd5f@yahoo.com> ---
(In reply to comment #10)
> Tried last 4 patches from Alex. Didn't work for me. The issue remains.

Does disabling mclk switching help?

comment out:

        r600_enable_mclk_control(rdev, true);

in r600_start_dpm()

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #12 from Sergey <orbitgray@ukr.net> ---
> Does disabling mclk switching help?
No. Still the same issue.

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #13 from Scias <shining.scias@gmail.com> ---
Unexpectedly the unpatched RC-2 just booted for me with the dpm=1 option while
I didn't change anything since the last time I tried. I just initially wanted
to try the new patches but forgot to remove the dpm=1 kernel argument from grub
and surprisingly it booted after a short screen "frosting up" !

Here's the drm/radeon dmesg log : http://pastebin.com/DxbddVMW

Changing power states works, however the power level doesn't seem to change and
always stayed at 1 (tried Unigine sanctuary and Minecraft) and can't be forced
either.

The GPU Temp was stable around 60 C, still hotter than Catalyst in low
performance mode but at least much better than before when it would just
endlessly rise until hard shutdown due to overheat.

Now the problem is that after rebooting after doing no change, it hung again
like before, I tried several times but it's still hanging, so I have really no
idea why it suddently worked once...

I will try the new patches now.

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #14 from Scias <shining.scias@gmail.com> ---
Okay so with the latest patches it seems to successfully boot with dpm=1 much
more often (I would say 1/4 times) while before it was almost never. Again
that's without changing anything between boots and without aspm=0.

Same remarks than my previous post however, it seems it can't reach power level
2 even when forcing high power level and performance mode. Another issue is
that the display gets completely garbled
(http://wstaw.org/m/2013/07/27/IMG_20130727_090107.jpg) when trying to set
battery power mode until the GPU soft resets or that I set it back to
"balanced" or "performance". Here is what is thrown into dmesg when this
happens (sorry couldn't paste it since X was totally unresponsive) :
http://wstaw.org/m/2013/07/27/IMG_20130727_095805.jpg

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #15 from Sergey <orbitgray@ukr.net> ---
Created attachment 83091
  --> https://bugs.freedesktop.org/attachment.cgi?id=83091&action=edit
log after "successful" load without hanging

Looks like I can reproduce similar behavior as Scias. But in my case it is very
difficult to get system booted. Sometimes it is more than 10 unsuccessful
iterations in a row.

The system behaves a bit different though:
 - Xorg output is very delayed. It is about 5-10s delay between image change
and sound, which works in normal mode. 'dmesg' output in xterm is printed line
by line with about 1s interval.
 - in 'tty' there is no such delays and it looks to work without issues.

This results is with 3.11-rc2 + 4 patches. Also got booted 1 time with removed
'r600_enable_mclk_control(rdev, true);' (same issues seen here).

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #16 from Daniel <daisuke14164@gmail.com> ---
Created attachment 83096
  --> https://bugs.freedesktop.org/attachment.cgi?id=83096&action=edit
successfully booting

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--- Comment #17 from Daniel <daisuke14164@gmail.com> ---
Graphics: RV620/M82 Mobility Radeon HD 3450/3470
Kernel: 3.11.0-12-agd5f from mesa-git repo 
Mesa: ati-dri-git-57713.f2be639 from mesa-git repo
OS: Arch
ARCH: x86_64
Other: KDE 4.11 rc1

I installed mesa and linux packages from mesa-git repo, the linux-agd5f
contains the lates patches. The system booted successfully 3 out of 4 times,
and the temp of GPU is actually a little bit lower than before, about 3-4C（env
temp 35C）. But same as Sergey posted, the X respose is slow, about 1-2s
delayed.

Here is my dmesg of drm and radeon.

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #18 from Alex Deucher <agd5f@yahoo.com> ---
Make sure you power off the system completely before trying the new kernel as
the dpm hardware may be in a bad state if just just did a warm reboot.

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #19 from Sergey <orbitgray@ukr.net> ---
I've tried complete power off for most of the tests (actually after system
hangs it is the only way to reboot it). But it doesn't seem to influence the
behavior.

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #20 from Daniel <daisuke14164@gmail.com> ---
No lucky today, all booting failed(system got hung and then the screen faded to
white).

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--- Comment #21 from Sergey <orbitgray@ukr.net> ---
Here is '/sys/kernel/debug/dri/0/radeon_pm_info' output I get:

1. with dpm=1
    uvd    vclk: 0 dclk: 0
    power level 1    sclk: 30000 mclk: 40500 vddc: 900

2. without dpm=1
    default engine clock: 500000 kHz
    current engine clock: 499500 kHz
    default memory clock: 500000 kHz
    current memory clock: 495000 kHz
    voltage: 1000 mV
    PCIE lanes: 16

The output format differs, but if clocks values dimensions are the same, then
it is about 10 times less the in (2)

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #22 from Alex Deucher <agd5f@yahoo.com> ---
(In reply to comment #21)
> Here is '/sys/kernel/debug/dri/0/radeon_pm_info' output I get:
> 
> 1. with dpm=1
>     uvd    vclk: 0 dclk: 0
>     power level 1    sclk: 30000 mclk: 40500 vddc: 900
> 
> 2. without dpm=1
>     default engine clock: 500000 kHz
>     current engine clock: 499500 kHz
>     default memory clock: 500000 kHz
>     current memory clock: 495000 kHz
>     voltage: 1000 mV
>     PCIE lanes: 16
> 
> The output format differs, but if clocks values dimensions are the same,
> then it is about 10 times less the in (2)

The driver uses 10khz units internally.  Without dpm the output adds the extra
0.

30000 = 300 Mhz

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #23 from Alex Deucher <agd5f@yahoo.com> ---
Created attachment 83246
  --> https://bugs.freedesktop.org/attachment.cgi?id=83246&action=edit
hacks to test

That attached patch disables some options in the dpm driver.  See if it helps
at all.  Make sure you are using a kernel that contains the fixes mentioned in
comment 9 or my drm-fixes-3.11 branch.

If the patch doesn't work as is, try changing the:
#if 1
in the patch to:
#if 0
and see if that helps.

Please attach your dmesg output with the patch applied.

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #24 from Alex Deucher <agd5f@yahoo.com> ---
Created attachment 83257
  --> https://bugs.freedesktop.org/attachment.cgi?id=83257&action=edit
disable lvtma resync

Another patch to test.

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #25 from Alex Deucher <agd5f@yahoo.com> ---
Created attachment 83258
  --> https://bugs.freedesktop.org/attachment.cgi?id=83258&action=edit
use alternate fb_div scale

Another patch to test.

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #26 from Sergey <orbitgray@ukr.net> ---
Created attachment 83321
  --> https://bugs.freedesktop.org/attachment.cgi?id=83321&action=edit
dmesg for patches from comment 23 and 24

Here are results:

With patch from comment 23: 1 hang in 5 boots, good work (no delays in Xorg).
Hang was on first try after hot reset, and was never seen afterwards.

With patch from comment 24: 2 hang in 4 boots, huge delays in Xorg (same as was
before)

With patch from comment 25: never got booted after 10 iterations. (behavior
might be similar as it was without this patch, but less luck during testing)

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #27 from Alex Deucher <agd5f@yahoo.com> ---
Created attachment 83324
  --> https://bugs.freedesktop.org/attachment.cgi?id=83324&action=edit
disable voltage control

The following 4 patches disable specific dpm features:

bug66963-no-voltage.diff - disables automatic voltage control
bug66963-no-cg.diff - disables clockgating
bug66963-no-ss.diff - disables dynamic spread spectrum
bug66963-no-gen2.diff - disables dynamic pcie gen2 selection

Please let me know what patch or combination of patches fixes the issues.

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #28 from Alex Deucher <agd5f@yahoo.com> ---
Created attachment 83325
  --> https://bugs.freedesktop.org/attachment.cgi?id=83325&action=edit
disable clockgating

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #29 from Alex Deucher <agd5f@yahoo.com> ---
Created attachment 83326
  --> https://bugs.freedesktop.org/attachment.cgi?id=83326&action=edit
disable dynamic spread spectrum

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #30 from Alex Deucher <agd5f@yahoo.com> ---
Created attachment 83327
  --> https://bugs.freedesktop.org/attachment.cgi?id=83327&action=edit
disable dynamic pcie gen2

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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--- Comment #31 from Alex Deucher <agd5f@yahoo.com> ---
please make sure to cold reset between attempts.

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #32 from Sergey <orbitgray@ukr.net> ---
Here are some testing results:
bug66963-no-voltage.diff - hangs 5 of 5 times
bug66963-no-cg.diff - hangs 5 of 5 times
bug66963-no-gen2.diff - hangs 5 of 5 times

bug66963-no-ss.diff
hanged 4 times, then 2 normal boots, 2 hangs, 1 boot with Xorg delays, 1 boot
with garbage for Xorq (tty console was fine), 1 hang
Very inconsistent.

Also retried all 4 together:
Boots OK most of the time, though I get 2 hangs and 1 Xorg big delays in
between ~10 successful tries. Specially if reset is used instead of shutdown,
but sometimes it happens after shutdown too.

Will continue trying other combinations.

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #33 from Scias <shining.scias@gmail.com> ---
Sorry I'm a bit late.
My tests are a little bit different from Sergey's.

Unpatched : 
Hangs 3/4 times - Unresponsive X - Setting battery state = corruption - "Frost"
flicker at modeset

No clockgating :
Same as unpatched

No voltage control :
Hangs everytime

No PCIE2 :
Hangs everytime

No dynamic spectrum :
Boots everytime - X is okay - Setting battery state is okay - "Frost" flicker
at modeset.

So clearly disabling the dynamic spectrum really helped for me.
Another finding is that setting radeon in the initramfs (for early KMS) results
in guaranteed hang except with disabled spectrum where it still boots
everytime.

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #34 from Alex Deucher <agd5f@yahoo.com> ---
(In reply to comment #33)
> 
> No dynamic spectrum :
> Boots everytime - X is okay - Setting battery state is okay - "Frost"
> flicker at modeset.

What is ""Frost" flicker at modeset."? temporary distortion? permanent
distortion?

Does combining multiple patches help any of the remaining issues?

Finally, does this more limited disable ss patch help?

diff --git a/drivers/gpu/drm/radeon/rv6xx_dpm.c
b/drivers/gpu/drm/radeon/rv6xx_dpm.c
index 363018c..03b402d 100644
--- a/drivers/gpu/drm/radeon/rv6xx_dpm.c
+++ b/drivers/gpu/drm/radeon/rv6xx_dpm.c
@@ -1993,7 +1993,7 @@ int rv6xx_dpm_init(struct radeon_device *rdev)
                                    &frev, &crev, &data_offset)) {
                pi->sclk_ss = true;
                pi->mclk_ss = true;
-               pi->dynamic_ss = true;
+               pi->dynamic_ss = false;//true;
        } else {
                pi->sclk_ss = false;
                pi->mclk_ss = false;

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--- Comment #35 from Scias <shining.scias@gmail.com> ---
By frost flicker I mean that when the radeon kernel framebuffer replaces vesafb
during boot the display flickers and "frosts up" (as it does when it's hanging)
then flickers back to normal. It's not a big issue tho.

Anyways, after some hours of testing, the only real issue I spotted so far is
that the screen gets corrupted and the laptop hangs when waking up from sleep.
Didn't try hibernation as I have no swap partition. 
Else pretty much everything works, the temperature is stable at 50°C when idle
(which is awesome), forcing power modes and levels works.

Going forward to try your new patch now. Do I have to test it in combinaison
with the other no-ss one or alone ?

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #36 from Alex Deucher <agd5f@yahoo.com> ---
(In reply to comment #35)
> By frost flicker I mean that when the radeon kernel framebuffer replaces
> vesafb during boot the display flickers and "frosts up" (as it does when
> it's hanging) then flickers back to normal. It's not a big issue tho.
> 
> Anyways, after some hours of testing, the only real issue I spotted so far
> is that the screen gets corrupted and the laptop hangs when waking up from
> sleep. Didn't try hibernation as I have no swap partition. 

By sleep you mean system suspend or dpms off (only displays off)?

> Else pretty much everything works, the temperature is stable at 50°C when
> idle (which is awesome), forcing power modes and levels works.
> 
> Going forward to try your new patch now. Do I have to test it in combinaison
> with the other no-ss one or alone ?

Please try the patch in comment 34 by itself.

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--- Comment #37 from Alex Deucher <agd5f@yahoo.com> ---
Created attachment 83392
  --> https://bugs.freedesktop.org/attachment.cgi?id=83392&action=edit
possible frosting fix

Does this patch fix the frosting issue?  Use in conjunction with whatever other
patches you need for a stable boot.

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--- Comment #38 from Scias <shining.scias@gmail.com> ---
Comment 34 patch works (just like Comment 29 one).
Frosting fix patch doesn't work - nothing changed. (Used it with Comment 34
patch)

And yes I meant suspend to ram.

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--- Comment #39 from Scias <shining.scias@gmail.com> ---
Another finding :
Waking up from suspend to ram only hangs if the power state is set to
"battery". Else it works fine.

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--- Comment #40 from Alex Deucher <agd5f@yahoo.com> ---
Created attachment 83397
  --> https://bugs.freedesktop.org/attachment.cgi?id=83397&action=edit
possible fix

I think I may have found the issue.  Can you guys try this patch by itself?

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--- Comment #41 from Sergey <orbitgray@ukr.net> ---
Unfortunately patch from comment 40 didn't help in my case. I've seen 6 hangs
and 2 boots with Xorg delays out of 8 tries.

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--- Comment #42 from Scias <shining.scias@gmail.com> ---
Comment 40 patch works here.

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--- Comment #43 from Alex Deucher <agd5f@yahoo.com> ---
Can you guys attach a copy of your vbios?

(as root)
(use lspci to get the bus id)
cd /sys/bus/pci/devices/<pci bus id>
echo 1 > rom
cat rom > /tmp/vbios.rom
echo 0 > rom

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--- Comment #44 from Sergey <orbitgray@ukr.net> ---
Created attachment 83431
  --> https://bugs.freedesktop.org/attachment.cgi?id=83431&action=edit
vbios used for ATI RV620/M82 [Mobility Radeon HD 3450/3470]

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--- Comment #45 from Scias <shining.scias@gmail.com> ---
Created attachment 83432
  --> https://bugs.freedesktop.org/attachment.cgi?id=83432&action=edit
vbios for RV635/M86 [Mobility Radeon HD 3650]

vbios for RV635/M86 [Mobility Radeon HD 3650]

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--- Comment #46 from Francisco Pina Martins <f.pinamartins@gmail.com> ---
I am trying to do some testing too, but I cannot seem to apply the patch from
comment 40 to the mainline kernel.
Should I be getting the changes from a specific branch in
git://people.freedesktop.org/~agd5f/linux ?
Thanks and sorry about the noise.

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #47 from Alex Deucher <agd5f@yahoo.com> ---
I've pushed my latest -fixes branch:
http://cgit.freedesktop.org/~agd5f/linux/log/?h=drm-fixes-3.11
it already includes the fix from comment 40.

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #48 from Alex Deucher <agd5f@yahoo.com> ---
Sergey,

On a kernel that has the patch in comment 40, does booting with radeon.aspm=0
help?

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #49 from Francisco Pina Martins <f.pinamartins@gmail.com> ---
Created attachment 83443
  --> https://bugs.freedesktop.org/attachment.cgi?id=83443&action=edit
[AMD/ATI] RV635/M86 [Mobility Radeon HD 3650] vbios

Booting with kernel compiled from
http://cgit.freedesktop.org/~agd5f/linux/log/?h=drm-fixes-3.11 setting
radeon.dpm=1 results in the mentioned "frosting", with the machine becoming
totally irresponsive. This happens during modesetting.
Tried to boot 3 times, all of them the same problem.
Trying with radeon.dpm=1 and radeon.aspm=0 gives the exact same result. 3 out
of 3 times I get the crash.
I am attaching my vbios too.

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #50 from Hrvoje Senjan <hrvoje.senjan@gmail.com> ---
Created attachment 83444
  --> https://bugs.freedesktop.org/attachment.cgi?id=83444&action=edit
Advanced Micro Devices [AMD] nee ATI RV635 [Mobility Radeon HD 3650]

Pretty same results as Francisco. The screen remained black after kms tried to
kick in. Also, no difference with aspm off.

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #51 from Scias <shining.scias@gmail.com> ---
I just compiled the latest drm-fixes-3.11 and I got back to the starting point
(3/4 hangs, messed up/slow X....)
Trying to figure out why... I was using a 3 days-old drm-fixes-3.11, maybe one
of the latest pulls messed it up ?

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #52 from Daniel <daisuke14164@gmail.com> ---
Created attachment 83462
  --> https://bugs.freedesktop.org/attachment.cgi?id=83462&action=edit
vbios for RV620/M82 [Mobility Radeon HD 3450/3470

Just compiled the latest kernel from drm-fixes-3.11, all boots faild 13 out of
13 times. With or without radeon.aspm=0 makes no difference.

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #53 from Sergey <orbitgray@ukr.net> ---
Patch from comment 40 + 'radeon.aspm=0' boot option doesn't change anything.
I got: 1 successful boot, 8 hangs, and one boot with slow Xorg.

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #54 from Scias <shining.scias@gmail.com> ---
I reverted to the "old" kernel + Comment 40 patch and it works now.
I can't retrieve the git revision as I cleaned the sources but I cloned the
drm-fixes-3.11 the 30/7 near 11:30 gmt. 

I'll try different versions in between with Comment 40 patch to spot the change
that cause it to not work anymore.

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #55 from Shawn Starr <shawn.starr@rogers.com> ---
Created attachment 83469
  --> https://bugs.freedesktop.org/attachment.cgi?id=83469&action=edit
Corrupt screen 'frosting' after DPM enabled #1

Corrupt screen 'frosting' after DPM enabled #1

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #56 from Shawn Starr <shawn.starr@rogers.com> ---
Created attachment 83470
  --> https://bugs.freedesktop.org/attachment.cgi?id=83470&action=edit
Corrupt screen 'frosting' after DPM enabled #2 both screens

Corrupt screen 'frosting' after DPM enabled #2 both screens

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

Mace Moneta <moneta.mace@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #83469|text/plain                  |image/jpeg
          mime type|                            |

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #57 from Shawn Starr <shawn.starr@rogers.com> ---
I have a HD3650 Mobile RV635 and also a HD3650 non-mobile (didn't try DPM on
this machine yet).

I've attached some screenshots, is this what people are calling 'frosting' or
do you you refer to another kind of effect (attach pictures if you can).

These pictures came from 3.11 RC2+ w/o the latest changes from Alex.

Thanks
Shawn

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

Mace Moneta <moneta.mace@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #83470|text/plain                  |image/jpeg
          mime type|                            |

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #58 from Alex Deucher <agd5f@yahoo.com> ---
I finally found a system I could reproduce it on and I think I've figured it
out.  Patches momentarily...

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #59 from Alex Deucher <agd5f@yahoo.com> ---
please try this branch:
http://cgit.freedesktop.org/~agd5f/linux/log/?h=drm-fixes-3.11
after a cold shutdown.

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #60 from Hrvoje Senjan <hrvoje.senjan@gmail.com> ---
(In reply to comment #59)
> please try this branch:
> http://cgit.freedesktop.org/~agd5f/linux/log/?h=drm-fixes-3.11
> after a cold shutdown.

This seems to have fixed the issues here :-)

/sys/kernel/debug/dri/0/radeon_pm_info
uvd    vclk: 0 dclk: 0
power level 0    sclk: 11000 mclk: 40000 vddc: 900

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #61 from Hrvoje Senjan <hrvoje.senjan@gmail.com> ---
Created attachment 83472
  --> https://bugs.freedesktop.org/attachment.cgi?id=83472&action=edit
dmesg snippet with latest patches/successful dpm enabled boot

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #62 from Scias <shining.scias@gmail.com> ---
(In reply to comment #59)
> please try this branch:
> http://cgit.freedesktop.org/~agd5f/linux/log/?h=drm-fixes-3.11
> after a cold shutdown.

Working here.

I still have the rather minor frost flickering issue and it still hangs if
trying to wake up from suspend in the battery state. Actually now it doesn't
hang, but it just takes ages to wake up (GPU just keeps soft resetting) and
left X in an unuseable state, I still managed to kill X and get the dmesg
output when the system was waking up from suspend :
http://pastebin.com/UphthyFc .
Restarting X afterwards results in unuseable X (and GPU reset loops again),
obliged to restart completely.

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #63 from Daniel <daisuke14164@gmail.com> ---
Created attachment 83484
  --> https://bugs.freedesktop.org/attachment.cgi?id=83484&action=edit
successfully booting and waking up from suspend to ram dmesg with dpm=1,
RV620/M82 [Mobility Radeon HD 3450/3470

Latest commit works fine here.

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #64 from Scias <shining.scias@gmail.com> ---
(In reply to comment #63)
> Created attachment 83484 [details]
> successfully booting and waking up from suspend to ram dmesg with dpm=1,
> RV620/M82 [Mobility Radeon HD 3450/3470
> 
> Latest commit works fine here.

Yes suspend works fine if the power profile/state isn't set to battery. Try
setting the battery state before.

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #65 from Daniel <daisuke14164@gmail.com> ---
Created attachment 83491
  --> https://bugs.freedesktop.org/attachment.cgi?id=83491&action=edit
wake up from suspend with "battery" radeon_pm_state

OK, I know what you mean now, Scias.
A few tests here:
1. Setting to "balanced" state, waking up is fast and OK. 5/5 times.
2. Setting to "battery" state, waking up is fast, but with a white screen, the
GPU hung. Sometimes I can see and move the cursor, but any other operation
cannot be done, e.g. switching to a tty. 4/4 times. I have to shutdown by
force.
3. Sometimes when the system booted into X(KDE splash screen), the GPU hung,
have to shutdown by force, not very often.
4. Powered by AC or BAT, the state is always "balanced".

For the last test, I have a question here:
Should it switch from "balanced" to "battery" automatically when I unplug the
power cabble or just stay "balanced"?

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #66 from Daniel <daisuke14164@gmail.com> ---
Created attachment 83492
  --> https://bugs.freedesktop.org/attachment.cgi?id=83492&action=edit
could see and move the cursor, also waking up from suspend with "battery" state

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #67 from Alex Deucher <agd5f@yahoo.com> ---
(In reply to comment #65)
> For the last test, I have a question here:
> Should it switch from "balanced" to "battery" automatically when I unplug
> the power cabble or just stay "balanced"?

There is no automatic switching, you need to select the state you want via
sysfs:
/sys/class/drm/card0/device/power_dpm_state
Since it's a policy decision, I leave it to userspace (some users want to
switch to battery state others want to stay in performance/balanced).  You can
have a script listen for ac plug events and select a different state depending
on what you want it to do.

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #68 from Alex Deucher <agd5f@yahoo.com> ---
In the short term until we sort out why the battery state causes resume
problems, you can select balanced or performance state in your suspend script.

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #69 from Hrvoje Senjan <hrvoje.senjan@gmail.com> ---
(In reply to comment #60)
> (In reply to comment #59)
> > please try this branch:
> > http://cgit.freedesktop.org/~agd5f/linux/log/?h=drm-fixes-3.11
> > after a cold shutdown.
> 
> This seems to have fixed the issues here :-)
> 

Works correctly only on cold boot. With reboots i get:

[   52.630102] radeon 0000:01:00.0: GPU lockup CP stall for more than 27055msec
[   52.630115] radeon 0000:01:00.0: GPU lockup (waiting for 0x0000000000000058
last fence id 0x0000000000000001)
[   52.993495] radeon 0000:01:00.0: Saved 2809 dwords of commands on ring 0.
[   52.993508] radeon 0000:01:00.0: GPU softreset: 0x00000348
[   52.993511] radeon 0000:01:00.0:   R_008010_GRBM_STATUS      = 0xA0003030
[   52.993514] radeon 0000:01:00.0:   R_008014_GRBM_STATUS2     = 0x00000003
[   52.993517] radeon 0000:01:00.0:   R_000E50_SRBM_STATUS      = 0x200291C0
[   52.993520] radeon 0000:01:00.0:   R_008674_CP_STALLED_STAT1 = 0x00000000
[   52.993523] radeon 0000:01:00.0:   R_008678_CP_STALLED_STAT2 = 0x00000000
[   52.993526] radeon 0000:01:00.0:   R_00867C_CP_BUSY_STAT     = 0x00000802
[   52.993528] radeon 0000:01:00.0:   R_008680_CP_STAT          = 0x800000C1
[   52.993531] radeon 0000:01:00.0:   R_00D034_DMA_STATUS_REG   = 0x44C83D57
[   53.369474] radeon 0000:01:00.0: Wait for MC idle timedout !
[   53.369478] radeon 0000:01:00.0: R_008020_GRBM_SOFT_RESET=0x00004001
[   53.369532] radeon 0000:01:00.0: SRBM_SOFT_RESET=0x00022500
[   53.371674] radeon 0000:01:00.0:   R_008010_GRBM_STATUS      = 0xA0003030
[   53.371677] radeon 0000:01:00.0:   R_008014_GRBM_STATUS2     = 0x00000003
[   53.371680] radeon 0000:01:00.0:   R_000E50_SRBM_STATUS      = 0x200210C0
[   53.371683] radeon 0000:01:00.0:   R_008674_CP_STALLED_STAT1 = 0x00000000
[   53.371685] radeon 0000:01:00.0:   R_008678_CP_STALLED_STAT2 = 0x00000000
[   53.371688] radeon 0000:01:00.0:   R_00867C_CP_BUSY_STAT     = 0x00000000
[   53.371691] radeon 0000:01:00.0:   R_008680_CP_STAT          = 0x80100000
[   53.371694] radeon 0000:01:00.0:   R_00D034_DMA_STATUS_REG   = 0x44C83D57
[   53.371700] radeon 0000:01:00.0: GPU reset succeeded, trying to resume
[   53.536342] [drm] PCIE GART of 512M enabled (table at 0x0000000000040000).
[   53.536389] radeon 0000:01:00.0: WB enabled
[   53.536393] radeon 0000:01:00.0: fence driver on ring 0 use gpu addr
0x0000000020000c00 and cpu addr 0xffff880137055c00
[   53.536396] radeon 0000:01:00.0: fence driver on ring 3 use gpu addr
0x0000000020000c0c and cpu addr 0xffff880137055c0c
[   53.734069] [drm:r600_ring_test] *ERROR* radeon: ring 0 test failed
(scratch(0x8504)=0xCAFEDEAD)
[   53.734073] [drm:r600_resume] *ERROR* r600 startup failed on resume
[   53.736171] switching from power state:
[   53.736176]  ui class: none
[   53.736180]  internal class: boot 
[   53.736184]  caps: video 
[   53.736189]  uvd    vclk: 0 dclk: 0
[   53.736193]          power level 0    sclk: 60000 mclk: 50000 vddc: 1100
[   53.736196]          power level 1    sclk: 60000 mclk: 50000 vddc: 1100
[   53.736199]          power level 2    sclk: 60000 mclk: 50000 vddc: 1100
[   53.736201]  status: c b 
[   53.736206] switching to power state:
[   53.736208]  ui class: performance
[   53.736210]  internal class: none
[   53.736214]  caps: single_disp video 
[   53.736219]  uvd    vclk: 0 dclk: 0
[   53.736223]          power level 0    sclk: 11000 mclk: 40000 vddc: 900
[   53.736226]          power level 1    sclk: 30000 mclk: 40000 vddc: 900
[   53.736229]          power level 2    sclk: 60000 mclk: 50000 vddc: 1100
[   53.736231]  status: r 
[   60.620870] SysRq : Keyboard mode set to system default

SysRQ + R,I brings back normal display

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #70 from Sergey <orbitgray@ukr.net> ---
Works good for me:

Major:
5 of 5 boots after shutdown.
5 of 5 boots after reboot.
First boot after shutdown hanged though.

Suspend:
Works always for me 10 of 10. Checked different states.

Hibernate:
Works most of the time but sometimes hangs.
Have seen a lot hangs on 'battery' state. But last boot to confirm worked fine
2 times.
2 hangs in default 'balanced' mode. After this hangs got 2-3 hangs in a row
after shutdowns.

Minor:
If I run 'glxgear' hibernate resumes with slow Xorg, sometimes dies after
resume.
Same works with suspend.

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #71 from Francisco Pina Martins <f.pinamartins@gmail.com> ---
Confirming that the latest drm-fixes-3.11 also works fine for me. (4/4)
successful boots.
System boots OK, suspend works fine too. (5/5)
I cannot try hibernate as my swap partition is too small for that.
Thank you for all your hard work Alex!

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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[-- Attachment #1.1: Type: text/plain, Size: 651 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=66963

Shawn Starr <shawn.starr@rogers.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #83469|0                           |1
        is obsolete|                            |

--- Comment #72 from Shawn Starr <shawn.starr@rogers.com> ---
Comment on attachment 83469
  --> https://bugs.freedesktop.org/attachment.cgi?id=83469
Corrupt screen 'frosting' after DPM enabled #1

This is due to missing some of the firmware.

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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[-- Attachment #1.1: Type: text/plain, Size: 664 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=66963

Shawn Starr <shawn.starr@rogers.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #83470|0                           |1
        is obsolete|                            |

--- Comment #73 from Shawn Starr <shawn.starr@rogers.com> ---
Comment on attachment 83470
  --> https://bugs.freedesktop.org/attachment.cgi?id=83470
Corrupt screen 'frosting' after DPM enabled #2 both screens

This is due to missing some of the firmware.

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #74 from Shawn Starr <shawn.starr@rogers.com> ---
RV635 works for me. 

Make sure you have all of the firmware if you compile this kernel make sure
kernel firmware is installed.

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #75 from Shawn Starr <shawn.starr@rogers.com> ---
(In reply to comment #74)
> RV635 works for me. 
> 
> Make sure you have all of the firmware if you compile this kernel make sure
> kernel firmware is installed.

Well, it works but the clocking isn't adjusting properly. Working on IRC with
Alex, but no crashes.

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #76 from 720 <p@repa.info> ---
(In reply to comment #68)
> In the short term until we sort out why the battery state causes resume
> problems, you can select balanced or performance state in your suspend
> script.

A bit of a git noob question: How do you check out only the -next, or the
-fixes branch?

Another question regarding this workaround-fix: Will you fix and re-enable the
feature later on? (In a foreseeable future, that is?)

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #77 from 720 <p@repa.info> ---
(In reply to comment #76)
> (In reply to comment #68)
> > In the short term until we sort out why the battery state causes resume
> > problems, you can select balanced or performance state in your suspend
> > script.
> 
> A bit of a git noob question: How do you check out only the -next, or the
> -fixes branch?
> 
> Another question regarding this workaround-fix: Will you fix and re-enable
> the feature later on? (In a foreseeable future, that is?)

Managed to check out the branch, compile the kernel, and run it flawless.
But my question about the feature is still valid:
Will we have this feature fixed until the 3.11 release or later?

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #78 from Alex Deucher <agd5f@yahoo.com> ---
(In reply to comment #77)
> Will we have this feature fixed until the 3.11 release or later?

Depends on whether the sclk ss actually worked in the first place.  It's
possible that it's a hardware bug.  Anyway, I wouldn't be too concerned about
it.  Lots of rv6xx cards don't even have it enabled to begin with.  It won't
affect power usage.  ss is basically just for helping to mitigate EMI.

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #79 from 720 <p@repa.info> ---
(In reply to comment #78)
> (In reply to comment #77)
> > Will we have this feature fixed until the 3.11 release or later?
> 
> Depends on whether the sclk ss actually worked in the first place.  It's
> possible that it's a hardware bug.  Anyway, I wouldn't be too concerned
> about it.  Lots of rv6xx cards don't even have it enabled to begin with.  It
> won't affect power usage.  ss is basically just for helping to mitigate EMI.

Thanks for the fast answer.
Finally I can use my laptop with Linux every day. Neat.
(Hope you can iron out the rest of the problems that people had here.)

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--- Comment #80 from Sergey <orbitgray@ukr.net> ---
Looks like there are still some issues left in my case. Not as sever as it was
thought.
Over weekend got system hanged 2 time after cold start. And one time after
hibernation. In case of hibernate system resumed and start working for few
seconds, then window manager stopped updating image and in few seconds mouse
stopped and system was not responding at all.

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #81 from Hrvoje Senjan <hrvoje.senjan@gmail.com> ---
Similar as Sergey. It's pretty stable now, and boots correctly 100%, but
sometimes it can hang during usage.  Found the following in the log:


Aug 07 23:35:49 shumarija kernel: radeon 0000:01:00.0: GPU lockup CP stall for
more than 10000msec
Aug 07 23:35:49 shumarija kernel: radeon 0000:01:00.0: GPU lockup (waiting for
0x000000000015f962 last fence id 0x000000000015f960)
Aug 07 23:35:49 shumarija kernel: radeon 0000:01:00.0: Saved 601 dwords of
commands on ring 0.
Aug 07 23:35:49 shumarija kernel: radeon 0000:01:00.0: GPU softreset:
0x00000008
Aug 07 23:35:49 shumarija kernel: radeon 0000:01:00.0:   R_008010_GRBM_STATUS  
   = 0xA0003030
Aug 07 23:35:49 shumarija kernel: radeon 0000:01:00.0:   R_008014_GRBM_STATUS2 
   = 0x00000003
Aug 07 23:35:49 shumarija kernel: radeon 0000:01:00.0:   R_000E50_SRBM_STATUS  
   = 0x200010C0
Aug 07 23:35:49 shumarija kernel: radeon 0000:01:00.0:  
R_008674_CP_STALLED_STAT1 = 0x00000000
Aug 07 23:35:49 shumarija kernel: radeon 0000:01:00.0:  
R_008678_CP_STALLED_STAT2 = 0x00000000
Aug 07 23:35:49 shumarija kernel: radeon 0000:01:00.0:   R_00867C_CP_BUSY_STAT 
   = 0x00000002
Aug 07 23:35:49 shumarija kernel: radeon 0000:01:00.0:   R_008680_CP_STAT      
   = 0x80000645
Aug 07 23:35:49 shumarija kernel: radeon 0000:01:00.0:  
R_00D034_DMA_STATUS_REG   = 0x44C83D57
Aug 07 23:35:49 shumarija kernel: radeon 0000:01:00.0:
R_008020_GRBM_SOFT_RESET=0x00004001
Aug 07 23:35:49 shumarija kernel: radeon 0000:01:00.0:
SRBM_SOFT_RESET=0x00000100
Aug 07 23:35:49 shumarija kernel: radeon 0000:01:00.0:   R_008010_GRBM_STATUS  
   = 0xA0003030
Aug 07 23:35:49 shumarija kernel: radeon 0000:01:00.0:   R_008014_GRBM_STATUS2 
   = 0x00000003
Aug 07 23:35:49 shumarija kernel: radeon 0000:01:00.0:   R_000E50_SRBM_STATUS  
   = 0x200080C0
Aug 07 23:35:49 shumarija kernel: radeon 0000:01:00.0:  
R_008674_CP_STALLED_STAT1 = 0x00000000
Aug 07 23:35:49 shumarija kernel: radeon 0000:01:00.0:  
R_008678_CP_STALLED_STAT2 = 0x00000000
Aug 07 23:35:49 shumarija kernel: radeon 0000:01:00.0:   R_00867C_CP_BUSY_STAT 
   = 0x00000000
Aug 07 23:35:49 shumarija kernel: radeon 0000:01:00.0:   R_008680_CP_STAT      
   = 0x80100000
Aug 07 23:35:49 shumarija kernel: radeon 0000:01:00.0:  
R_00D034_DMA_STATUS_REG   = 0x44C83D57
Aug 07 23:35:49 shumarija kernel: radeon 0000:01:00.0: GPU reset succeeded,
trying to resume
Aug 07 23:35:49 shumarija kernel: [drm] PCIE GART of 512M enabled (table at
0x0000000000040000).
Aug 07 23:35:49 shumarija kernel: radeon 0000:01:00.0: WB enabled
Aug 07 23:35:49 shumarija kernel: radeon 0000:01:00.0: fence driver on ring 0
use gpu addr 0x0000000020000c00 and cpu addr 0xffff8801359cac00
Aug 07 23:35:49 shumarija kernel: radeon 0000:01:00.0: fence driver on ring 3
use gpu addr 0x0000000020000c0c and cpu addr 0xffff8801359cac0c
Aug 07 23:35:49 shumarija kernel: [drm] ring test on 0 succeeded in 1 usecs
Aug 07 23:35:49 shumarija kernel: [drm:r600_dma_ring_test] *ERROR* radeon: ring
3 test failed (0xCAFEDEAD)
Aug 07 23:35:49 shumarija kernel: [drm:r600_resume] *ERROR* r600 startup failed
on resume

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #82 from Alex Deucher <agd5f@yahoo.com> ---
(In reply to comment #81)
> Similar as Sergey. It's pretty stable now, and boots correctly 100%, but
> sometimes it can hang during usage.  Found the following in the log:

Do you also get GPU hangs with dpm disabled?

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #83 from Hrvoje Senjan <hrvoje.senjan@gmail.com> ---
(In reply to comment #82)
> (In reply to comment #81)
> > Similar as Sergey. It's pretty stable now, and boots correctly 100%, but
> > sometimes it can hang during usage.  Found the following in the log:
> 
> Do you also get GPU hangs with dpm disabled?

Nope. I was running with the old dynpm method for a day, did not get a hang.
With dpm i had it once or twice already today.

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #84 from Alex Deucher <agd5f@yahoo.com> ---
Does disabling clockgating avoid the hangs?

diff --git a/drivers/gpu/drm/radeon/rv6xx_dpm.c
b/drivers/gpu/drm/radeon/rv6xx_dpm.c
index bdd888b..85f2ab8 100644
--- a/drivers/gpu/drm/radeon/rv6xx_dpm.c
+++ b/drivers/gpu/drm/radeon/rv6xx_dpm.c
@@ -1985,7 +1985,7 @@ int rv6xx_dpm_init(struct radeon_device *rdev)
        pi->voltage_control =
                radeon_atom_is_voltage_gpio(rdev, SET_VOLTAGE_TYPE_ASIC_VDDC,
0);

-       pi->gfx_clock_gating = true;
+       pi->gfx_clock_gating = false;

        pi->sclk_ss = radeon_atombios_get_asic_ss_info(rdev, &ss,
                                                       ASIC_INTERNAL_ENGINE_SS,
0);


Make sure you do a cold shutdown after changing that.

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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--- Comment #85 from Sergey <orbitgray@ukr.net> ---
> Does disabling clockgating avoid the hangs?
Caught hang after hibernate.

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #86 from Alex Deucher <agd5f@yahoo.com> ---
Ingoring suspend/hibernate, is anyone getting hangs or gpu resets with dpm
enabled under normal operation?  If so, can you try disabling clockgating as
per comment 84?  Lets address suspend/hibernate issues separately.

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #87 from Hrvoje Senjan <hrvoje.senjan@gmail.com> ---
(In reply to comment #86)
> Ingoring suspend/hibernate, is anyone getting hangs or gpu resets with dpm
> enabled under normal operation?  If so, can you try disabling clockgating as
> per comment 84?  Lets address suspend/hibernate issues separately.

Using it for some 6h, so far so good. Will be able to tell with more accuracy
after a day or two without hangs.

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #88 from Francisco Pina Martins <f.pinamartins@gmail.com> ---
I've been using DPM in my rv635 for a few days now (intensive use, as this is
my main machine) and had no issues yet.
I can however, still tempt fate and try some nasty things such as quick zoom
in/out cycles in big .svg files in inkscape, and see if that causes issues. I
know it used to a long time ago.

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #89 from Alex Deucher <agd5f@yahoo.com> ---
(In reply to comment #88)
> I've been using DPM in my rv635 for a few days now (intensive use, as this
> is my main machine) and had no issues yet.
> I can however, still tempt fate and try some nasty things such as quick zoom
> in/out cycles in big .svg files in inkscape, and see if that causes issues.
> I know it used to a long time ago.

If you do run into a problem make sure it's specific to dpm.  If you had a
particular problem in the past and you get it again, it's probably not dpm
related.

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #90 from Sergey <orbitgray@ukr.net> ---
> Does disabling clockgating avoid the hangs?
No. Behaves the same. Today it was ~40% of hangs after shutdown.

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #91 from Hrvoje Senjan <hrvoje.senjan@gmail.com> ---
(In reply to comment #87)
> (In reply to comment #86)
> > Ingoring suspend/hibernate, is anyone getting hangs or gpu resets with dpm
> > enabled under normal operation?  If so, can you try disabling clockgating as
> > per comment 84?  Lets address suspend/hibernate issues separately.
> 
> Using it for some 6h, so far so good. Will be able to tell with more
> accuracy after a day or two without hangs.

After almost 2 days, also got a hang. Did not reboot, suspended twice.
Did a kwin_gles --replace &
kwin --replace &
MESA_DEBUG=1
kwin_gles --replace &
GPU hanged. Note that this *never* happened without dpm. But it was also first
time i tried with dpm.

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #92 from 720 <p@repa.info> ---
The bug is still not fixed.
Been using Radeon 3650 with dpm, and now running rc5.

Everything went well until I had a reboot due to a NOD32 install.
That time I encountered the white screen of death once again.

Can I gather any more debug info somehow Alex?
(I use a total non-debug kernel that I compiled but I can prepare one full
debug version if you would like.)

ps.: I'm not too lucky with this DPM thing. The old card dies randomly (WSOD),
and the new one is not supported (SI). Such is life with Radeon on Linux. :(

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #93 from Francisco Pina Martins <f.pinamartins@gmail.com> ---
Created attachment 83998
  --> https://bugs.freedesktop.org/attachment.cgi?id=83998&action=edit
journalctl relevant output

I had a crash with the white screen yestreday.
It occurred while playing Civilization IV under wine, during the replay part,
at full speed, after finishing a game.
All that was logged by systemd in journalctl is attached. The last line
(radeon: The kernel rejected CS, see dmesg for more information.) Was repeated
thousands of times after this.
After the crash, everything tried to recover (the game kept running, as well as
thunderbird, etc...) - I could hear sounds and **sometimes** X would be
displayed for a fraction of a second, and then everything would get garbled.
I switched to a tty and rebooted from there.
I did not get dmesg outupt, since I only read the log after rebooting. I will
try to reproduce the crash and report back.

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #94 from Alex Deucher <agd5f@yahoo.com> ---
(In reply to comment #92)
> The bug is still not fixed.
> Been using Radeon 3650 with dpm, and now running rc5.
> 
> Everything went well until I had a reboot due to a NOD32 install.
> That time I encountered the white screen of death once again.
> 
> Can I gather any more debug info somehow Alex?
> (I use a total non-debug kernel that I compiled but I can prepare one full
> debug version if you would like.)

Can you try disabling additional dpm features as per previoous comments?  e.g,

diff --git a/drivers/gpu/drm/radeon/rv6xx_dpm.c
b/drivers/gpu/drm/radeon/rv6xx_dpm.c
index bdd888b..ad17ae8 100644
--- a/drivers/gpu/drm/radeon/rv6xx_dpm.c
+++ b/drivers/gpu/drm/radeon/rv6xx_dpm.c
@@ -1982,10 +1982,10 @@ int rv6xx_dpm_init(struct radeon_device *rdev)
        else
                pi->fb_div_scale = 0;

-       pi->voltage_control =
-               radeon_atom_is_voltage_gpio(rdev, SET_VOLTAGE_TYPE_ASIC_VDDC,
0);
+       pi->voltage_control = false;
+//             radeon_atom_is_voltage_gpio(rdev, SET_VOLTAGE_TYPE_ASIC_VDDC,
0);

-       pi->gfx_clock_gating = true;
+       pi->gfx_clock_gating = false;

        pi->sclk_ss = radeon_atombios_get_asic_ss_info(rdev, &ss,
                                                       ASIC_INTERNAL_ENGINE_SS,
0);
@@ -1994,13 +1994,14 @@ int rv6xx_dpm_init(struct radeon_device *rdev)

        /* Disable sclk ss, causes hangs on a lot of systems */
        pi->sclk_ss = false;
+       pi->mclk_ss = false;

        if (pi->sclk_ss || pi->mclk_ss)
                pi->dynamic_ss = true;
        else
                pi->dynamic_ss = false;

-       pi->dynamic_pcie_gen2 = true;
+       pi->dynamic_pcie_gen2 = false;

        if (pi->gfx_clock_gating &&
            (rdev->pm.int_thermal_type != THERMAL_TYPE_NONE))

See if disabling any additional features helps stability on your system.

> 
> ps.: I'm not too lucky with this DPM thing. The old card dies randomly
> (WSOD), and the new one is not supported (SI). 

SI cards are supported just fine, including dpm.

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[Bug 66963] r600: linux 3.11RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

Alex Deucher <agd5f@yahoo.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Severity|blocker                     |normal

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

Alexandre Demers <alexandre.f.demers@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|r600: linux 3.11RC isn't    |r600: linux v3.11.0-RC
                   |booting with radeon.dpm=1   |isn't booting with
                   |option in grub              |radeon.dpm=1 option in grub

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #95 from Francisco Pina Martins <f.pinamartins@gmail.com> ---
After using DPM for a while I car report that it did cause some random crashes.
I never figured out what caused them, and was never able to reproduce them.
However, after having updated mesa to 9.2, I have had no crashes at all, so
that might have solves whatever was causing the issues.
Just tossing in my 0,02€:
"It works!"

Thanks for all the hard work on this one.

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #96 from Eugene <ken20001@ukr.net> ---
Not so fast fellas. Recently checked 3.11RC7 and DRM-Next (current). The result
is the same: it still can't boot with my Radeon HD 2600 XT :(

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #97 from Alex Deucher <agd5f@yahoo.com> ---
(In reply to comment #96)
> Not so fast fellas. Recently checked 3.11RC7 and DRM-Next (current). The
> result is the same: it still can't boot with my Radeon HD 2600 XT :(

Can you attach a copy of your vbios?

(as root)
(use lspci to get the bus id)
cd /sys/bus/pci/devices/<pci bus id>
echo 1 > rom
cat rom > /tmp/vbios.rom
echo 0 > rom

Also, can you get a copy of the dmesg output from the driver after it loads? 
Try booting into a non-X runlevel without loading radeon (either blacklist it,
or set radeon.modeset=0 on the kernel command line in grub) and then manually
load it.  E.g.,
modprobe -r radeon
modprobe radeon modeset=1 dpm=1

If possible, try and do it over ssh from a second machine so you can still
access it if you lose the display.

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #98 from Eugene <ken20001@ukr.net> ---
Created attachment 85079
  --> https://bugs.freedesktop.org/attachment.cgi?id=85079&action=edit
Radeon HD2600XT vbios

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #99 from Eugene <ken20001@ukr.net> ---
> Can you attach a copy of your vbios?
> 
> (as root)
> (use lspci to get the bus id)
> cd /sys/bus/pci/devices/<pci bus id>
> echo 1 > rom
> cat rom > /tmp/vbios.rom
> echo 0 > rom
Yes, here it is, in attachment.

> Also, can you get a copy of the dmesg output from the driver after it loads?
> Try booting into a non-X runlevel without loading radeon (either blacklist
> it, or set radeon.modeset=0 on the kernel command line in grub) and then
> manually load it.  E.g.,
> modprobe -r radeon
> modprobe radeon modeset=1 dpm=1

I'm sorry I don't understand fully how to do this.

> If possible, try and do it over ssh from a second machine so you can still
> access it if you lose the display.
Also there is no possibility to connect to my pc through ssh.

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #100 from Alex Deucher <agd5f@yahoo.com> ---
(In reply to comment #99)
> > Also, can you get a copy of the dmesg output from the driver after it loads?
> > Try booting into a non-X runlevel without loading radeon (either blacklist
> > it, or set radeon.modeset=0 on the kernel command line in grub) and then
> > manually load it.  E.g.,
> > modprobe -r radeon
> > modprobe radeon modeset=1 dpm=1
> 
> I'm sorry I don't understand fully how to do this.

boot with `radeon.modeset=0 1` on the kernel command line in grub, then when
the kernel boots to single user mode, reload the radeon module with dpm=1. 
E.g.,

modprobe -r radeon
modprobe radeon modeset=1 dpm=1

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #101 from Alex Deucher <agd5f@yahoo.com> ---
(In reply to comment #96)
> Not so fast fellas. Recently checked 3.11RC7 and DRM-Next (current). The
> result is the same: it still can't boot with my Radeon HD 2600 XT :(

Does disabling aspm help?  `radeon.aspm=0 radeon.dpm=0` on the kernel command
line in grub.

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #102 from Eugene <ken20001@ukr.net> ---
If you could explain me where is kernel command line (when I'm seeing GRUB menu
push "e" or "c"; and if "c" what to do after I entered radeon.modeset=0 in
there?), I would try it. I'm just a newbie using kubuntu a few months.

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #103 from Alex Deucher <agd5f@yahoo.com> ---
(In reply to comment #102)
> If you could explain me where is kernel command line (when I'm seeing GRUB
> menu push "e" or "c"; and if "c" what to do after I entered radeon.modeset=0
> in there?), I would try it. I'm just a newbie using kubuntu a few months.

in the grub menu select the kernel you want to boot and press 'e' then move to
the end of the line that starts:
        linux   /boot/<blah blah blah>
and append the options to the end of that line.  e.g.,
       linux   /boot/<blah blah blah> radeon.modeset=0 1
The '1' means boot into single user mode rather than X.

Also, if you haven't already, try disabling aspm:
       linux   /boot/<blah blah blah> radeon.aspm=0 radeon.dpm=1

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #104 from Eugene <ken20001@ukr.net> ---
(In reply to comment #103)
> (In reply to comment #102)
> > If you could explain me where is kernel command line (when I'm seeing GRUB
> > menu push "e" or "c"; and if "c" what to do after I entered radeon.modeset=0
> > in there?), I would try it. I'm just a newbie using kubuntu a few months.
> 
> in the grub menu select the kernel you want to boot and press 'e' then move
> to the end of the line that starts:
>         linux   /boot/<blah blah blah>
> and append the options to the end of that line.  e.g.,
>        linux   /boot/<blah blah blah> radeon.modeset=0 1
> The '1' means boot into single user mode rather than X.
> 
> Also, if you haven't already, try disabling aspm:
>        linux   /boot/<blah blah blah> radeon.aspm=0 radeon.dpm=1

Thanks for your explanations. Recently tried it. But...:

with
> linux   /boot/<blah blah blah> radeon.aspm=0 radeon.dpm=1
still blank screen after starting kernel loading

with
> linux   /boot/<blah blah blah> radeon.modeset=0 1
it seems it's booting but I can't see command line - only black screen or text
line: "kernel booting... bla-bla-bla" and also no command line. Trying to enter
anything gives nothing. But if a enter "reboot" and press Enter it restarts. So
it gets the commands but I can't see any display output.

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #105 from Alex Deucher <agd5f@yahoo.com> ---
(In reply to comment #104)
> with
> > linux   /boot/<blah blah blah> radeon.modeset=0 1
> it seems it's booting but I can't see command line - only black screen or
> text line: "kernel booting... bla-bla-bla" and also no command line. Trying
> to enter anything gives nothing. But if a enter "reboot" and press Enter it
> restarts. So it gets the commands but I can't see any display output.

can you blindly type:
modprobe -r radeon
modprobe radeon modeset=1 dpm=1
dmesg > dmesg.log
reboot

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

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--- Comment #106 from Alex Deucher <agd5f@yahoo.com> ---
Assuming that works you should have the dmesg.log in the root user directory
that you can attach here.

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

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--- Comment #107 from Bryan Quigley <gquigs+bugs@gmail.com> ---
Created attachment 85216
  --> https://bugs.freedesktop.org/attachment.cgi?id=85216&action=edit
3870/RV670 - dmesg manually loading radeon

I'm also having the issue on a 3870/RV670 using Sept4 drm-next (d30645ae from
Ubuntu's mainline builds) and previous builds.

Disabling radeon.aspm=0 also didn't help.  My machine is accessible via SSH so
I can do further debugging.

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

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--- Comment #108 from Bryan Quigley <gquigs+bugs@gmail.com> ---
Created attachment 85217
  --> https://bugs.freedesktop.org/attachment.cgi?id=85217&action=edit
3870/RV670 - kern.log dpm on boot

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

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--- Comment #109 from Bryan Quigley <gquigs+bugs@gmail.com> ---
Created attachment 85218
  --> https://bugs.freedesktop.org/attachment.cgi?id=85218&action=edit
3870/RV670 - vbios.rom

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--- Comment #110 from Bryan Quigley <gquigs+bugs@gmail.com> ---
Also, the motherboard has a built-in HD4290 in it, that is BIOS disabled.

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

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--- Comment #111 from Eugene <ken20001@ukr.net> ---
(In reply to comment #106)
> Assuming that works you should have the dmesg.log in the root user directory
> that you can attach here.

Here is my blind result (in attachment).

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

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--- Comment #112 from Eugene <ken20001@ukr.net> ---
Created attachment 85253
  --> https://bugs.freedesktop.org/attachment.cgi?id=85253&action=edit
dmesg file

Trying to load Radeon driver (for my HD2600XT card) blindly in single user mode
-> dmesg output.

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Alex Deucher <agd5f@yahoo.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #85253|application/octet-stream    |text/plain
          mime type|                            |

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

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--- Comment #113 from Alex Deucher <agd5f@yahoo.com> ---
Created attachment 85256
  --> https://bugs.freedesktop.org/attachment.cgi?id=85256&action=edit
add callback for UVD

Hi Eugene,

This patch should fix the crash you are seeing.

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #114 from Alex Deucher <agd5f@yahoo.com> ---
(In reply to comment #107)

> I'm also having the issue on a 3870/RV670 using Sept4 drm-next (d30645ae
> from Ubuntu's mainline builds) and previous builds.

What sort of issue are you having?  blank screen?  currupt image?  GPU hang?

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

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--- Comment #115 from Bryan Quigley <gquigs+bugs@gmail.com> ---
(In reply to comment #114)
> 
> What sort of issue are you having?  blank screen?  currupt image?  GPU hang?

Screen goes to powersave when booted with dpm=1.  Still able to ssh in, but
seems frozen from keyboard.

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

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--- Comment #116 from Alex Deucher <agd5f@yahoo.com> ---
(In reply to comment #115)
> (In reply to comment #114)
> > 
> > What sort of issue are you having?  blank screen?  currupt image?  GPU hang?
> 
> Screen goes to powersave when booted with dpm=1.  Still able to ssh in, but
> seems frozen from keyboard.

Does disabling any of the dpm features as per comment 94 help?

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--- Comment #117 from Eugene <ken20001@ukr.net> ---
(In reply to comment #113)
> Created attachment 85256 [details] [review]
> add callback for UVD
> 
> Hi Eugene,
> 
> This patch should fix the crash you are seeing.

Will it be in 3.11.1 or 3.12 next Monday ?

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--- Comment #118 from Alex Deucher <agd5f@yahoo.com> ---
(In reply to comment #117)
> 
> Will it be in 3.11.1 or 3.12 next Monday ?

Not likely.  I haven't sent the patch upstream yet.

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--- Comment #119 from Eugene <ken20001@ukr.net> ---
Then 3.11.2 ?

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--- Comment #120 from lucky_beta <lucky_beta@126.com> ---
I've read the previous comments carefully and I'm using the ati3470 GPU card
which is the same as "Sergey", also the problem similar, when trying to boot
with "radeon.dmp=1", the screen goes white gradually and just hang there,
sometimes it can boot but the windows respond very slowly. I want to know
whether the problem has been fixed. I just can't find any sure answers from the
comments above.

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--- Comment #121 from Sergey <orbitgray@ukr.net> ---
Hi lucky_beta,

For me it was not 100% fixed. At the moment with Kernel 3.11 it is ~50% chance
that system hangs  during boot or the windows are slow.
It better than it was initially, but the issue is not fully resolved.
(Don't have white screen issue even without patches)

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gronius <d.tutkin@googlemail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Priority|medium                      |high
                 CC|                            |d.tutkin@googlemail.com

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--- Comment #122 from Bryan Quigley <gquigs+bugs@gmail.com> ---
(In reply to comment #116)
> Does disabling any of the dpm features as per comment 94 help?

Nope, still broken.  (although I did get distracted by a hang that was fixed by
the latest drm pull && I thought it was fixed at one point, but it seems I may
have mistyped radeon.dpm.. )

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--- Comment #123 from lucky_beta <lucky_beta@126.com> ---
(In reply to comment #121)
> Hi lucky_beta,
> 
> For me it was not 100% fixed. At the moment with Kernel 3.11 it is ~50%
> chance that system hangs  during boot or the windows are slow.
> It better than it was initially, but the issue is not fully resolved.
> (Don't have white screen issue even without patches)
Thank you for your reply, i will keep an eye on this topic, although i'm a
linux beginner, but if i can do some help except for waiting, just with
pleasure.

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--- Comment #124 from Sergey <orbitgray@ukr.net> ---
I've noticed, that while watching youtube videos, sometimes (actually rather
often) everything freezes. Looks like Xorg crash. It tries to recover but
screen freezes, though mouse is working and sound (probably everything else is
alive).

Dmesg is flooded with messages:
[drm:radeon_cs_ib_chunk] *ERROR* Failed to schedule IB !
radeon 0000:01:00.0: couldn't schedule ib

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--- Comment #125 from Sergey <orbitgray@ukr.net> ---
Created attachment 85644
  --> https://bugs.freedesktop.org/attachment.cgi?id=85644&action=edit
Xorg log

Here is Xorg log, but according to timestamps it is only for Xorg, that tried
to restart. Initial error is not seen.

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--- Comment #126 from Alex Deucher <agd5f@yahoo.com> ---
(In reply to comment #124)
> I've noticed, that while watching youtube videos, sometimes (actually rather
> often) everything freezes. Looks like Xorg crash. It tries to recover but
> screen freezes, though mouse is working and sound (probably everything else
> is alive).
> 
> Dmesg is flooded with messages:
> [drm:radeon_cs_ib_chunk] *ERROR* Failed to schedule IB !
> radeon 0000:01:00.0: couldn't schedule ib

That's a GPU lock up which may not be related to dpm.  I recently fixed an
alignment issue with command buffers that may fix these hangs for you.  you'll
need this patch for libdrm:
http://cgit.freedesktop.org/mesa/drm/commit/?id=58d008883165ba35c83041fa9ed84937163d5f76
and this patch for mesa:
http://cgit.freedesktop.org/mesa/mesa/commit/?id=a81beee37e0dd7b75422448420e8e8b0b4b76c1e

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--- Comment #127 from Sergey <orbitgray@ukr.net> ---
Thanks, I'll try to check these patches.

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--- Comment #128 from Eugene <ken20001@ukr.net> ---
Recently tried kernel 3.11.1. Still not booting with radeon.dpm=1. Patch still
isn't there for HD2600 ?

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--- Comment #129 from Alex Deucher <agd5f@yahoo.com> ---
(In reply to comment #128)
> Recently tried kernel 3.11.1. Still not booting with radeon.dpm=1. Patch
> still isn't there for HD2600 ?

I sent the pull request that contained attachment 85256 to Dave last week so it
will probably be merged to 3.12 at some point this week and them end up in 3.11
sometime later.

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

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--- Comment #130 from Eugene <ken20001@ukr.net> ---
Thanks for info. I'll wait to test it.

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #131 from Sergey <orbitgray@ukr.net> ---
(In reply to comment #126)
> That's a GPU lock up which may not be related to dpm.  I recently fixed an
> alignment issue with command buffers that may fix these hangs for you. 
> you'll need this patch for libdrm:

With latest mesa and libdrm from git it looks much better. (never got same
issue since update; though maybe just lucky so far)

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #132 from Sergey <orbitgray@ukr.net> ---
Created attachment 85936
  --> https://bugs.freedesktop.org/attachment.cgi?id=85936&action=edit
Dmesg for Xorg freeze during video playing.

(In reply to comment #131)
> With latest mesa and libdrm from git it looks much better. (never got same
> issue since update; though maybe just lucky so far)
Just was lucky. Caught same issue again. Maybe 'dmesg' will help a bit.

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #133 from Eugene <ken20001@ukr.net> ---
I seems 3.12 RC1 still has not patch for my HD2600.

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #134 from Francisco Pina Martins <f.pinamartins@gmail.com> ---
I just want to add that after upgrading to kernel 3.11.1 (from the -RC2 version
I was using), I have not experienced any more crashes on my RV635. Nothing I
have tried so far has been able to trigger it.
Once again, thank you for all the hard work.

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #135 from Bryan Quigley <gquigs+bugs@gmail.com> ---
Created attachment 86825
  --> https://bugs.freedesktop.org/attachment.cgi?id=86825&action=edit
dmesg when under works due to setting .debug=1

I tried again with the latest rc3 build and it still doesn't work; I had left
changes from comment 94 intact.  Trying to get more information I tried booting
with radeon.modeset=0 radeon.debug=1.  Once I re-loaded the module with dpm,
now it works!  So it works correctly if you set it to debug mode, otherwise I
can't get any logs of the event.  

This is the dmesg from when it worked (with debug on).  I noticed there are
some HDMI errors; I only have DVI actually hooked up.

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #136 from Alex Deucher <agd5f@yahoo.com> ---
(In reply to comment #135)
> Created attachment 86825 [details]
> dmesg when under works due to setting .debug=1
> 
> I tried again with the latest rc3 build and it still doesn't work; I had
> left changes from comment 94 intact.  Trying to get more information I tried
> booting with radeon.modeset=0 radeon.debug=1.  Once I re-loaded the module
> with dpm, now it works!  So it works correctly if you set it to debug mode,
> otherwise I can't get any logs of the event.  
> 

There is no radeon.debug parameter:
[   34.991462] radeon: unknown parameter 'debug' ignored

Seems like you just got lucky this time. Does it work reliably if you disable
radeon and boot into a non-X runlevel, then manually load radeon?  E.g., boot
with:
radeon.modeset=0 1
on the kernel command line in grub to boot into single user mode.  then at the
command prompt:
modprobe -r radeon
modprobe radeon modeset=1 dpm=1

> This is the dmesg from when it worked (with debug on).  I noticed there are
> some HDMI errors; I only have DVI actually hooked up.

You can ignore those.

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #137 from Bryan Quigley <gquigs+bugs@gmail.com> ---
> (In reply to comment #135)
> Seems like you just got lucky this time. Does it work reliably if you
> disable radeon and boot into a non-X runlevel, then manually load radeon? 

Nope definitely not reliably, but I did have it work one more time doing the
above (booting with modeset=0) after about 10 or so reboots.  When it fails
I've never been able to get any debug information..

Any suggestions of other ways to get more debug information?

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #138 from Alex Deucher <agd5f@yahoo.com> ---
(In reply to comment #137)
> Nope definitely not reliably, but I did have it work one more time doing the
> above (booting with modeset=0) after about 10 or so reboots.  When it fails
> I've never been able to get any debug information..
> 
> Any suggestions of other ways to get more debug information?

Does it hang the entire system as soon as you load the driver, or only when you
start X or something like that?

As for debugging, you can try disabling rv6xx_dpm_set_power_state() by
returning early (see the patch below).  If that works, move the the return
statement further and further down in the function until you can identify at
which point in rv6xx_dpm_set_power_state() the hang occurs.  Once we pin point
that, we can debug further.


diff --git a/drivers/gpu/drm/radeon/rv6xx_dpm.c
b/drivers/gpu/drm/radeon/rv6xx_dpm.c
index 5811d27..bfa2922 100644
--- a/drivers/gpu/drm/radeon/rv6xx_dpm.c
+++ b/drivers/gpu/drm/radeon/rv6xx_dpm.c
@@ -1670,6 +1670,8 @@ int rv6xx_dpm_set_power_state(struct radeon_device *rdev)
        struct radeon_ps *old_ps = rdev->pm.dpm.current_ps;
        int ret;

+       return 0;
+
        pi->restricted_levels = 0;

        rv6xx_set_uvd_clock_before_set_eng_clock(rdev, new_ps, old_ps);
@@ -2094,6 +2096,8 @@ int rv6xx_dpm_force_performance_level(struct
radeon_device *rdev,
 {
        struct rv6xx_power_info *pi = rv6xx_get_pi(rdev);

+       return 0;
+
        if (level == RADEON_DPM_FORCED_LEVEL_HIGH) {
                pi->restricted_levels = 3;
        } else if (level == RADEON_DPM_FORCED_LEVEL_LOW) {

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #139 from Bryan Quigley <gquigs+bugs@gmail.com> ---
> Does it hang the entire system as soon as you load the driver, or only when
> you start X or something like that?
Hangs on driver load.  

> As for debugging, you can try disabling rv6xx_dpm_set_power_state() by
> returning early (see the patch below).  
This doesn't work.. actually it seems to fail a bit faster now..  previously it
would display kernel messages for a bit, not it goes off after extracting the
kernel.

I tried exiting early out of a few other functions like rv6xx_dpm_init, but
haven't had any better results.  I put a printk statement in _init, which never
got printed.. Could we never make it there?  I couldn't find anything that
comes before _init...

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #140 from Alex Deucher <agd5f@yahoo.com> ---
(In reply to comment #139)
> 
> I tried exiting early out of a few other functions like rv6xx_dpm_init, but
> haven't had any better results.  I put a printk statement in _init, which
> never got printed.. Could we never make it there?  I couldn't find anything
> that comes before _init...

rv6xx_dpm_init() doesn't actually touch the hw, it just initializes the driver
structures used by dpm.  Try returning early in rv6xx_setup_asic().

The order at module load time looks like:

dpm_init()
dpm_setup_asic()
dpm_enable()
dpm_set_power_state()

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #141 from Bryan Quigley <gquigs+bugs@gmail.com> ---
In /r600_dpm.c - void r600_start_dpm(struct radeon_device *rdev)

+       //return; //returning here works

        r600_enable_sclk_control(rdev, true);

+       return; //returning here doesn't.

Will just try setting it to false next..

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

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--- Comment #142 from Bryan Quigley <gquigs+bugs@gmail.com> ---
-       r600_enable_sclk_control(rdev, true);
+       r600_enable_sclk_control(rdev, false);
Does indeed fix it.

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #143 from Alex Deucher <agd5f@yahoo.com> ---
(In reply to comment #142)
> -       r600_enable_sclk_control(rdev, true);
> +       r600_enable_sclk_control(rdev, false);
> Does indeed fix it.

Unfortunately, that disables dynamic engine scaling which on your particular
board pretty much disables dpm since the voltage and mclk are static :(

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #144 from Bryan Quigley <gquigs+bugs@gmail.com> ---
(In reply to comment #143)
> Unfortunately, that disables dynamic engine scaling which on your particular
> board pretty much disables dpm since the voltage and mclk are static :(

Well damn.. Any other things to try?  (I think I've exhausted all the other
places to put return 0; in the discussed functions)

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[Bug 66963] r600: linux v3.11.0-RC isn't booting with radeon.dpm=1 option in grub

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--- Comment #145 from Paul Bodenbenner <paul.bodenbenner@gmail.com> ---
I have also a HD 3470 (RV620/M82) and my experience is really great by using
dpm, but following problems still occur with kernel 3.12rc3-1 and 3.11.4:
1. Sometimes it doesn't boot. Only a black screen is shown.
2. Most of the times after suspending, system doesn't wake up properly.
3. Rarely system is totally slow, probably clocks... not correctly set.
4. Sometimes GUI crashes when attatching or removing a monitor over HDMI.

I am using the default settings for power states... One strange thing I have
also noticed: At bootup I can see the Raw EDID matric and it does change
sometimes.
I have pasted some logs at Bug 69729 already. If you need some further
information, please let me know.

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

Alex Deucher <agd5f@yahoo.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|r600: linux v3.11.0-RC      |Rv6xx dpm problems
                   |isn't booting with          |
                   |radeon.dpm=1 option in grub |

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

Alex Deucher <agd5f@yahoo.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |h.judt@gmx.at

--- Comment #146 from Alex Deucher <agd5f@yahoo.com> ---
*** Bug 70189 has been marked as a duplicate of this bug. ***

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #147 from Bryan Quigley <gquigs+bugs@gmail.com> ---
Tried again with latest git.  Issue still exists.  Any other troubleshooting to
try?

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #148 from 720 <p@repa.info> ---
Read that DPM is coming to 3.13.
The issue is still not fixed however.

Any info on this? Is there a chance that it will ever get fixed?
( I followed the conversation but so far it seemed Alex wasn't able to track
down the issue, and could only apply workarounds that literally disable the
whole power management. )

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #149 from Paul Bodenbenner <paul.bodenbenner@gmail.com> ---
I think dpm won't be enabled per default for 3.13 on hd3XXX...

The boot bug is a real big problem. Sometimes it works two or three times,
sometimes it takes three tries for a success. Also waking up from suspend
doesn't work all the time.

Catalyst is broken with Gnome Shell 3.10... What a suprise.

Real good experience at the moment with ATI/AMD! :-)

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #150 from 720 <p@repa.info> ---
Too bad there is no quirk or some dirty workaround that we could use to fix the
boot issue. Because damn, it's not cheap to replace a laptop.
(Which works just perfect on Windows 7.)

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #151 from Paul Bodenbenner <paul.bodenbenner@gmail.com> ---
I respect all the good work what has been done in the past for the AMD driver.
But probably they have no hd3XXX card to test the driver. I would pay 20€ for
getting them a card...

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #152 from 720 <p@repa.info> ---
(In reply to comment #151)
> I respect all the good work what has been done in the past for the AMD
> driver.
> But probably they have no hd3XXX card to test the driver. I would pay 20€
> for getting them a card...

Fine with me. If Alex is willing to make a paypal address or something, I'll
throw a few bucks in too. These cards are old as hell, he can buy them in bulk.

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #153 from Alex Deucher <agd5f@yahoo.com> ---
(In reply to comment #151)
> I respect all the good work what has been done in the past for the AMD
> driver.
> But probably they have no hd3XXX card to test the driver. I would pay 20€
> for getting them a card...

I've got quite a few r6xx cards, however, all of the cards I have access to
work fine with dpm.  Unfortunately, r6xx cards are five generations old, so
it's much harder to find people that remember or documents describing the
details and quirks of dpm on these asics so even if I managed to get a
problematic card, I'm not sure how much luck I'd have.

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #154 from Shawn Starr <shawn.starr@rogers.com> ---
With the people getting hangs and GPU resets, with DPM on: are you using KDE or
GNOME?

I've noticed problems with KDE and the rv6xx and sometimes doing a soft power
cycle of laptop will result in the display hanging when it attempts to set up
kernel mode setting (KMS).

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #155 from Paul Bodenbenner <paul.bodenbenner@gmail.com> ---
(In reply to comment #153)
> I've got quite a few r6xx cards, however, all of the cards I have access to
> work fine with dpm.  Unfortunately, r6xx cards are five generations old, so
> it's much harder to find people that remember or documents describing the
> details and quirks of dpm on these asics so even if I managed to get a
> problematic card, I'm not sure how much luck I'd have.

Ok, thanks for the clarification!

(In reply to comment #154)
> With the people getting hangs and GPU resets, with DPM on: are you using KDE
> or GNOME?
> 
> I've noticed problems with KDE and the rv6xx and sometimes doing a soft
> power cycle of laptop will result in the display hanging when it attempts to
> set up kernel mode setting (KMS).

I am not sure if there are also hangs, but I'm using GNOME Shell 3.10 by
getting my previous described failures.
Also I have to use "acpi_sleep=nonvs" as kernel parameter, otherwise system
will reboot immediately instead of "trying" to wake up. With catalyst driver
this worked well though.

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #156 from Sergey <orbitgray@ukr.net> ---
(In reply to comment #154)
> With the people getting hangs and GPU resets, with DPM on: are you using KDE
> or GNOME?
> 
> I've noticed problems with KDE and the rv6xx and sometimes doing a soft
> power cycle of laptop will result in the display hanging when it attempts to
> set up kernel mode setting (KMS).

I use Fluxbox and still see hand issue. Boot time hang is not likely to be
related to DE, since it happens during KMS.

Sometimes it hangs during ordinary work (video playing etc.), then it might
recover but usually it don't. And you can see in dmesg that GPU was stuck.

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #157 from Paul Bodenbenner <paul.bodenbenner@gmail.com> ---
Created attachment 88753
  --> https://bugs.freedesktop.org/attachment.cgi?id=88753&action=edit
boot good 3.12 rv620

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #158 from Paul Bodenbenner <paul.bodenbenner@gmail.com> ---
Created attachment 88754
  --> https://bugs.freedesktop.org/attachment.cgi?id=88754&action=edit
boot slow 3.12 rv620

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #159 from Paul Bodenbenner <paul.bodenbenner@gmail.com> ---
Last two attachments show the output of dmesg.
I described previously that I have next to the general boot problem also
troubles after boot that the GUI is really slow.
Hope that helps a bit!

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #160 from Paul Bodenbenner <paul.bodenbenner@gmail.com> ---
Forgot to mention, that that happens sometimes, nearly as often, as the general
boot problem.

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #161 from Sergey <orbitgray@ukr.net> ---
Hi Alex,

Is there anything we can do to try help fixing the issues left?

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #162 from Anonymous Helper <anonymous@dodgeit.com> ---
I had a similar problem with my HD 5730M. But I'm not sure if it belongs to
this bug. For me it's possible to workaround by delaying the boot process
manually:
e.g. wait ~20 seconds in the GRUB-Menu or pause the bios booting with the key
"Break"

Can somebody confirm that?

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #163 from Bryan Quigley <gquigs+bugs@gmail.com> ---
(In reply to comment #162)
> Can somebody confirm that?

Doesn't help with my boottime freeze on a 3870.

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

Alex Deucher <agd5f@yahoo.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |thierry.vignaud@gmail.com

--- Comment #164 from Alex Deucher <agd5f@yahoo.com> ---
*** Bug 72905 has been marked as a duplicate of this bug. ***

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #165 from Kajzer <kap3tan@gmail.com> ---
Hello, I had problems with just radeon.dpm=1 , as soon as I hit enter screen
would go black and monitor would blink like there was no connection, it was
either that or it would just reboot.
Anyway, after adding this line :
radeon.audio=0 radeon.aspm=0 radeon.dpm=1
everything works GREAT !
Several reboots (to be sure) and it worked every time.
Played few games on Steam, watched couple of videos and everything works fine
without any issues.

some info :
sensors :
radeon-pci-0400
Adapter: PCI adapter
temp1:        +49.0°C  (crit = +120.0°C, hyst = +90.0°C)

/sys/kernel/debug/dri/64/radeon_pm_info:
uvd    vclk: 0 dclk: 0                                                          
power level 0    sclk: 11000 mclk: 80000 vddc: 900

using this kernel : 3.13.0-rc3-7.gfbe0eb5-desktop

video card is : Radeon HD 3650

Don't know what else I can say about it, if you need more info I will be more
that happy to help :)

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #166 from Nicola <nicolamori@aol.com> ---
(In reply to comment #165)
> radeon.audio=0 radeon.aspm=0 radeon.dpm=1

It didn't work with my Mobility HD3470. Two hangs out 5 reboots.

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #167 from Nicola <nicolamori@aol.com> ---
(In reply to comment #166)
> (In reply to comment #165)
> > radeon.audio=0 radeon.aspm=0 radeon.dpm=1
> 
> It didn't work with my Mobility HD3470. Two hangs out 5 reboots.

I forgot to mention that I'm using kernel 3.12.6 (with ck patches). Maybe is
kernel 3.13 that does the magic together with the kernel command line options?

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #168 from Kajzer <kap3tan@gmail.com> ---
I don't think it's the kernel (3.12 or 3.13) , when I managed to make it work I
tried to boot under kernel 3.11 and it worked. 

Anyhow, today it doesn't work anymore, no matter what I do.
I didn't touch a thing, it was working fine for 2-3 days and now it's not.

boots fine with radeon.dpm=0

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #169 from Francisco Pina Martins <f.pinamartins@gmail.com> ---
I would like to add something to this.
On my Mobility 3650 (rv635/M86), I can normally boot with DPM without any issue
at all since 3.11.
However - sometimes (sporadically) I get the frosting screen when playing
Freecol.
When this happens, I can no longer boot with DPM enabled. If I don't disable
DPM in my bootloader, I always get the frosting screen when modesetting was
supposed to be happening.
In order to be able to boot again, I have to disable DPM, boot and leave the
computer on for a while (not sure how long, but less than 10 minutes is
insufficient and over 1 hour is enough).
If I do this, DPM will work again just fine.
I have no idea why this happens, and I am not sure what to log when it does
(actually, nothing gets logged on the failed boots).

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #170 from Thierry Vignaud <thierry.vignaud@gmail.com> ---
I don't know if it can helps you (Alex), but as of kernel-3.12.6/mesa-10.0.1,
my RV670 ([Radeon HD 3690/3850]) is pretty reliable when booting wit dpm
(usually for resuming hibernation):
- it consistently fails on the first electric power on
  (the screen blacked out, "no signal")
- it consistently works smoothly after powering off then
  powering on after a couple seconds: it resumes smoothly

Does it helps you figure what can be wrong?

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #171 from Thierry Vignaud <thierry.vignaud@gmail.com> ---
Is there any patch I can try against 3.12.6?

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #172 from Alex Deucher <agd5f@yahoo.com> ---
(In reply to comment #171)
> Is there any patch I can try against 3.12.6?

You can try disabling additional dpm features as per comment 94.

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #173 from Eugene <ken20001@ukr.net> ---
lspci | grep VGA
02:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] RV670
[Radeon HD 3870]

It boot if boot from power button, but is case of 'sudo reboot' command, black
screen and, it seems, it freezes completely.

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #174 from Eugene <ken20001@ukr.net> ---
Oh, sorry, I forgot:
uname -a
Linux admin 3.13.0-031300rc7-generic #201401041835 SMP Sat Jan 4 23:36:50 UTC
2014 x86_64 x86_64 x86_64 GNU/Linux

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #175 from Jaime Velasco Juan <jsagarribay@gmail.com> ---
Created attachment 91835
  --> https://bugs.freedesktop.org/attachment.cgi?id=91835&action=edit
Disable the DMA ring in R6xx

Hi, I've got an RV620 (HD3450/3470, pci id 1002:95c4). It usually worked with
dpm, but hanged on boot maybe 1/10 times. I've been testing the dpm-reorder
branch (now drm-next-3.14) and I haven't seen it hang since then.

However, with this branch I got the following:
[drm:r600_dma_ring_test] *ERROR* radeon: ring 3 test failed (0xCAFEDEAD)
and acceleration got disabled. This starts happening with "drm/radeon/pm: move
pm handling into the asic specific code".

I think the DMA ring is not used by mesa nor xf86-video-ati so I changed the
kernel to skip initialisation of the DMA ring and keep acceleration and with
that I've had it working every time (can suspend/resume as well).

I can't be sure this is the cause as the hangs are random, but the results seem
promising so far.

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #176 from Jaime Velasco Juan <jsagarribay@gmail.com> ---
Created attachment 91836
  --> https://bugs.freedesktop.org/attachment.cgi?id=91836&action=edit
dmesg with dpm-reorder patches, DMA ring test failed

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #177 from Jaime Velasco Juan <jsagarribay@gmail.com> ---
Created attachment 91837
  --> https://bugs.freedesktop.org/attachment.cgi?id=91837&action=edit
dmesg with dpm-reorder patches plus DMA ring deactivation patch (working so
far)

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #178 from Thierry Vignaud <thierry.vignaud@gmail.com> ---
(In reply to comment #172)
> > Is there any patch I can try against 3.12.6?
> 
> You can try disabling additional dpm features as per comment 94.

The patch seems to fix the issue.
Booting with only the second half is not enough (the voltage_control & the
gfx_clock_gating changes):
I experienced black screen freeze on boot & disabled accel another time.

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #179 from Alex Deucher <agd5f@yahoo.com> ---
(In reply to comment #178)
> (In reply to comment #172)
> > > Is there any patch I can try against 3.12.6?
> > 
> > You can try disabling additional dpm features as per comment 94.
> 
> The patch seems to fix the issue.
> Booting with only the second half is not enough (the voltage_control & the
> gfx_clock_gating changes):
> I experienced black screen freeze on boot & disabled accel another time.

To be clear all of the changes are necessary?

pi->voltage_control = false;
pi->gfx_clock_gating = false;
pi->mclk_ss = false;
pi->dynamic_pcie_gen2 = false;

Are things any better with my 3.14 branch (which contains some dpm rework):
http://cgit.freedesktop.org/~agd5f/linux/log/?h=drm-next-3.14

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #180 from Thierry Vignaud <thierry.vignaud@gmail.com> ---
Care to provide a patch against 3.13rc8?

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #181 from Alex Deucher <agd5f@yahoo.com> ---
(In reply to comment #180)
> Care to provide a patch against 3.13rc8?

I'm not sure I follow.  I though you said you tried the patch in comment 94? 
I'm trying to clarify which parts of the patch are necessary for stability on
your system.

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--- Comment #182 from Thierry Vignaud <thierry.vignaud@gmail.com> ---
I've issues doing it, like there's no part enough.
So I would like to test your latest work.

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #183 from Alex Deucher <agd5f@yahoo.com> ---
Created attachment 91947
  --> https://bugs.freedesktop.org/attachment.cgi?id=91947&action=edit
patch from comment 94

(In reply to comment #182)
> I've issues doing it, like there's no part enough.
> So I would like to test your latest work.

It's the same as the patch in comment 94.

You might also try my 3.14 branch:
http://cgit.freedesktop.org/~agd5f/linux/log/?h=drm-next-3.14

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #184 from Paul Bodenbenner <paul.bodenbenner@gmail.com> ---
Tried "drm-next-3.14" branch to see if the boot and suspend problem has been
solved.
Unfortunately I got the same problem like "Jaime Velasco Juan" described and
skipped therefore further testing.

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #185 from Thierry Vignaud <thierry.vignaud@gmail.com> ---
(In reply to comment #183)
> > I've issues doing it, like there's no part enough.
> > So I would like to test your latest work.
> 
> It's the same as the patch in comment 94.

I meant your drm branch. I would have loved to have a patch against
3.13~rc8. git.fo delivers at 30kb/s :-(


Anway, I'd quite a lot successes with 3.13~rc8 until yesterday evening where it
fails several time in a loop (disabled accel then freeze after resuming,
several boot failures).
I then tested your 3.14 branch that doesn't help.

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #186 from Francisco Pina Martins <f.pinamartins@gmail.com> ---
Created attachment 92344
  --> https://bugs.freedesktop.org/attachment.cgi?id=92344&action=edit
journalctl crash log

Hello, I am back with something to report for my RV635/M86.
Like I said in comment 93, the crashes still occur, when using DPM.
I have now found a way to reproduce it (or rather - it found me).
I have just switched from using e17 as my DM to e18.
Now, in order to reproduce the crash I just have to use my desktop for a couple
of minutes and then it crashes. 
However, unlike before, the system can now recover from the crash. After about
a minute with the white screen, everything gets back to normal. Usually only
for a few seconds, and then I get the white screen again.
The experience is very stable when booting with "radeon.dpm=0".

I am using ArchLinux with kernel version 3.12

I have attached the journalctl output and I hope this can help you debug
things.

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #187 from Sergey <orbitgray@ukr.net> ---
(In reply to comment #183)
> You might also try my 3.14 branch:
> http://cgit.freedesktop.org/~agd5f/linux/log/?h=drm-next-3.14

I've been trying this branch for a week. So far no hanging is seen. Though I
was not turning off my machine too often, mostly sending it to sleep. Will try
to run more shutdown tests.

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #188 from Sergey <orbitgray@ukr.net> ---
(In reply to comment #183)
> You might also try my 3.14 branch:
> http://cgit.freedesktop.org/~agd5f/linux/log/?h=drm-next-3.14

Not sure if there are any important changes in this branch, but so far it looks
more stable for me. I haven't seen hangs while video was played, though the
week before i got them almost daily. And have seen hand during start up only
once for last week.

I might be just very lucky this week.

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #189 from Sergey <orbitgray@ukr.net> ---
(In reply to comment #188)
> (In reply to comment #183)
> > You might also try my 3.14 branch:
> > http://cgit.freedesktop.org/~agd5f/linux/log/?h=drm-next-3.14
> 
> Not sure if there are any important changes in this branch, but so far it
> looks more stable for me. I haven't seen hangs while video was played,
> though the week before i got them almost daily. And have seen hand during
> start up only once for last week.
> 
> I might be just very lucky this week.

Still don't see hangs, but noticed but FPS is very low on this branch. Half
Life is like a slideshow, though works fine with vanilla kernel.

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #190 from Jaime Velasco Juan <jsagarribay@gmail.com> ---
(In reply to comment #189)
> (In reply to comment #188)
> > (In reply to comment #183)
> > > You might also try my 3.14 branch:
> > > http://cgit.freedesktop.org/~agd5f/linux/log/?h=drm-next-3.14
> > 
> > Not sure if there are any important changes in this branch, but so far it
> > looks more stable for me. I haven't seen hangs while video was played,
> > though the week before i got them almost daily. And have seen hand during
> > start up only once for last week.
> > 
> > I might be just very lucky this week.
> 
> Still don't see hangs, but noticed but FPS is very low on this branch. Half
> Life is like a slideshow, though works fine with vanilla kernel.

Are you sure you have acceleration enabled, the behaviour you describe matches
what I found when started testing that branch (grep dmesg for "*ERROR* radeon:
ring 3 test failed (0xCAFEDEAD)").

If you have that problem you could test the patch I sent in comment 175 (
attachment 91835), It will skip initialization of the DMA ring and enable
acceleration again. I've been using it for several weeks, no hangs yet, works
like a charm.

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #191 from Sergey <orbitgray@ukr.net> ---
(In reply to comment #190)
> Are you sure you have acceleration enabled, the behaviour you describe
> matches what I found when started testing that branch (grep dmesg for
> "*ERROR* radeon: ring 3 test failed (0xCAFEDEAD)").
Looks like you are right. I have the same error. Thanks.
Will try your patch.

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #192 from Paul Bodenbenner <paul.bodenbenner@gmail.com> ---
(In reply to comment #190)
> (In reply to comment #189)
> > (In reply to comment #188)
> > > (In reply to comment #183)
> > > > You might also try my 3.14 branch:
> > > > http://cgit.freedesktop.org/~agd5f/linux/log/?h=drm-next-3.14
> > > 
> > > Not sure if there are any important changes in this branch, but so far it
> > > looks more stable for me. I haven't seen hangs while video was played,
> > > though the week before i got them almost daily. And have seen hand during
> > > start up only once for last week.
> > > 
> > > I might be just very lucky this week.
> > 
> > Still don't see hangs, but noticed but FPS is very low on this branch. Half
> > Life is like a slideshow, though works fine with vanilla kernel.
> 
> Are you sure you have acceleration enabled, the behaviour you describe
> matches what I found when started testing that branch (grep dmesg for
> "*ERROR* radeon: ring 3 test failed (0xCAFEDEAD)").
> 
> If you have that problem you could test the patch I sent in comment 175 (
> attachment 91835 [details] [review]), It will skip initialization of the DMA
> ring and enable acceleration again. I've been using it for several weeks, no
> hangs yet, works like a charm.

Thanks for your patch! I adapted it to the current git state and I will attach
it here (hope I made no mistake ;-)).
So with that patch the drm-next-3.14 branch works very well:
Booted up about 25 times with only 3 hangs. Suspend worked every time. :-)

@Alex Deucher:
Very good job! Whats wrong with ring stuff. Do we need a new version of
xf86-video-ati?! Also can I do anything against the seldom hangs?

Best Regards,
Paul

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #193 from Paul Bodenbenner <paul.bodenbenner@gmail.com> ---
Created attachment 93010
  --> https://bugs.freedesktop.org/attachment.cgi?id=93010&action=edit
(Disable the DMA ring in R6xx) Adapted to current git state

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #194 from Shawn Starr <shawn.starr@rogers.com> ---
I wonder if something isn't being reset in VBIOS when it fails to boot after
POST, I see the BIOS boot up, grub display, but after kernel starts booting
(when radeon is loaded), we just die.

Alex, would it be possible for the radeon driver prior to loading DPM to dump
the register state of GPU and then dump it after DPM to console (so maybe
netconsole or serial cable can capture the output)?

So, 

1) prior to rebooting machine, use a tool to dump the current register states
of GPU/hw

2) upon loading radeon.ko but prior to DPM being switched on, dump the
registers of GPU/hw to screen and then switch DPM on, then do the dump again
(assuming this isn't going to lock up system).

maybe we can narrow down something not being cleared upon booting up sometimes?

Thanks,
Shawn

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #195 from Sergey <orbitgray@ukr.net> ---
Still see hangs with patch from comment 193.
Not during boot though, only during work.

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--- Comment #196 from Paul Bodenbenner <paul.bodenbenner@gmail.com> ---
I don't need the patch anymore. Probably it's because of switching to the git
packages of mesa and xorg. Also using 3.14rc2 kernel now.
Booting and suspending works great with this uptodate packages!

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--- Comment #197 from Shawn Starr <shawn.starr@rogers.com> ---
With 3.14-rcX are people seeing lockup on reboots anymore on HD2000-HD4000
series? I'm going to switch my W500 to it, right now it's hung while im away
*sigh*, so I can't remotely reset it.

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--- Comment #198 from Thierry Vignaud <thierry.vignaud@gmail.com> ---
AFAIC I still see hang black screen with 3.14-rc2 + attachment #91947 from
comment 183

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #199 from Bryan Quigley <gquigs+bugs@gmail.com> ---
Latest kernel (daily build from the 12th) get's me a bit closer:
Instead of booting to a video hang (monitor switch to powersave mode) it now
hangs with the monitor on.

> > Does it hang the entire system as soon as you load the driver, or only when
> > you start X or something like that?
> Hangs on driver load.  
It now hangs on startx.  I can load the system in single user mode and then
switch to dpm=1 fine.  It's when starting X it hangs now.

What is relevant to try now?

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Alex Deucher <agd5f@yahoo.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |qwrules@gmail.com

--- Comment #200 from Alex Deucher <agd5f@yahoo.com> ---
*** Bug 74420 has been marked as a duplicate of this bug. ***

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--- Comment #201 from Michel Dänzer <michel@daenzer.net> ---
*** Bug 74420 has been marked as a duplicate of this bug. ***

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--- Comment #202 from Nicola <nicolamori@aol.com> ---
With linux 3.14-RC8 things are much better for my RV620 (Mobility HD3470). I
booted about ten times without any hang, only once I was dumped to tty with X
server refusing to start (unfortunately I lost the log, thanks to the foolish
log retain policy of X...). But no hang with black screens as before, yet.

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #203 from Thierry Vignaud <thierry.vignaud@gmail.com> ---
(In reply to comment #202)
> With linux 3.14-RC8 things are much better for my RV620 (Mobility HD3470). I
> booted about ten times without any hang, only once I was dumped to tty with

That's just the law of series.
I can boot smoothly ten times and then fails 10 times too..

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #204 from Nicola Mori <nicolamori@aol.com> ---
Created attachment 96597
  --> https://bugs.freedesktop.org/attachment.cgi?id=96597&action=edit
Xorg.0.log for failed start of X server

@Thierry: understood, I still do not experience any hang but I'll keep eyes
open. Meanwhile it happened again that X server failed to start and this time I
have saved the X log. It seems that the problem is:

[     2.501] (II) [KMS] drm report modesetting isn't supported.

while for successful boots I get:

[     4.203] (II) [KMS] Kernel modesetting enabled.

Also, for successful boot I sse in the log:

[     2.510] (II) xfree86: Adding drm device (/dev/dri/card0)

which is missing in the log for failed X start.

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[Bug 66963] Rv6xx dpm problems

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--- Comment #205 from Bryan Quigley <gquigs+bugs@gmail.com> ---
1. (In reply to comment #199)

I've reproduced the hang without X, instead using kmscon.
This causes the graphics hang (can still switch back to the original VT and
kill it though):  /usr/local/bin/kmscon --vt 5 --hwaccel
Booting with dpm off or without --hwaccel doesn't trigger the issue.

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #206 from Kajzer <kap3tan@gmail.com> ---
With kernel 3.14 things are much better, sometimes it doesn't boot but that's
very rarely, once booted everything works fine, had no crashes at all.
The only problem for me is that I cannot run any game from steam except two
(Penumbra Overture and Half Life) , those games that wouldn't start are working
with catalyst.
I tried latest mesa and x11, makes no difference.

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #207 from lockheed <qwrules@gmail.com> ---
Well, for me nothing changed on RV635. Computer boots perfectly fine, but video
still crashes on random state dpm changes, sometimes in 10 minutes, sometimes
in 10 hours after boot. But always when there is unsaved work on the screen.

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--- Comment #208 from Kajzer <kap3tan@gmail.com> ---
(In reply to comment #207)
> Well, for me nothing changed on RV635. Computer boots perfectly fine, but
> video still crashes on random state dpm changes, sometimes in 10 minutes,
> sometimes in 10 hours after boot. But always when there is unsaved work on
> the screen.

Hm, that's interesting, I'm using the same driver RV635, card is HD 3650
Had the system up for 3 days and had no crash, had to reboot for other reasons.
Watched many videos (XBMC, mostly HD movies) , played few games.
Working fine really, except like I said, I had black screens on boot few times,
when that happens the very next reboot is success.
Maybe there are other things in play here, really can't tell.
btw I'm running OpenSuse 13.1 x64 , stock mesa 9.2 , kernel 3.14.0-5

Can you reproduce it every time ? 
If yes what do you do exactly ? I would like to try that.

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #209 from lockheed <qwrules@gmail.com> ---
> (In reply to comment #207)
> Hm, that's interesting, I'm using the same driver RV635, card is HD 3650
> Had the system up for 3 days and had no crash, had to reboot for other
> reasons.
> Watched many videos (XBMC, mostly HD movies) , played few games.
> Working fine really, except like I said, I had black screens on boot few
> times, when that happens the very next reboot is success.
> Maybe there are other things in play here, really can't tell.
> btw I'm running OpenSuse 13.1 x64 , stock mesa 9.2 , kernel 3.14.0-5
> 
> Can you reproduce it every time ? 
> If yes what do you do exactly ? I would like to try that.

It's a Radeon HD 3650 in a ThinkPad W500.
Arch Linux x64 
mesa 10.1, 10.2, all git, updated daily
Kernel 3.12-3.14 (not tested earlier)

Yes, I can reproduce it every time (ie. I can't say WHEN it will happen apart
from the fact it WILL happen between 20 minutes and 20 hours), which is why I
have to stay on Catalysts.

The only thing I noticed that is most likely to cause it almost immediately is
moving windows inside a VNC client session connected to a server to a server.
In such case the crash occurs within seconds to minutes.

That's my logs: https://bugs.freedesktop.org/show_bug.cgi?id=74420

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--- Comment #210 from Shawn Starr <shawn.starr@rogers.com> ---
It's same for me, I can have several days of stability on my W500 w/ RV636 (HD
3650) and then GPU reset.

I note, the GPU never recovers, when it attempts to Xorg is basically frozen, I
can VT switch to console but sometimes switching back to X it deadlocks
completely.

I do recall eariler in 3.x GPU reset worked and it would recover. Now, it's a
lost cause.

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #211 from lockheed <qwrules@gmail.com> ---
(In reply to comment #210)
> I note, the GPU never recovers, when it attempts to Xorg is basically
> frozen, I can VT switch to console but sometimes switching back to X it
> deadlocks completely.
>

You are lucky. I can't recall a single instance where I could switch to VT when
EQ starts overflowing.

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #212 from Nicola Mori <nicolamori@aol.com> ---
During the last two weeks I had no problem with dpm on my RV620 with kernel
3.14. I booted every day, sometimes multiple times, and the system never hanged
on boot nor during normal usage. Do other users with RV620 experience the same?
For what concerns my experience, dpm can be deemed as stable for RV620.

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #213 from Sergey <orbitgray@ukr.net> ---
(In reply to comment #212)
> Do other users with RV620 experience
> the same? For what concerns my experience, dpm can be deemed as stable for
> RV620.

I still see the issue. (I use RV620)

Actually for me it is quite the opposite. I'm seeing more hangs after I've
switched to 3.14. Specially during playing video from YouTube. And after hang
it usually fails to boot normally from first attempt. On 3.13 it looked more
stable. But it might be just pure luck, since I haven't run any objective
testing. And number of hangs just correlates with frequency of video playing.

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #214 from Kajzer <kap3tan@gmail.com> ---
On my RV635 things are really great, still not a single crash, DPM working
without any issues.
Running 24/7 for weeks.

However, still seeing dark screen on boot sometimes, eventually it's going to
boot and then it's golden.
Not a big issue though would love to see that fixed finally,

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--- Comment #215 from lockheed <qwrules@gmail.com> ---
(In reply to comment #214)
> On my RV635 things are really great, still not a single crash, DPM working
> without any issues.
> Running 24/7 for weeks.
> 

Try mesa 10.1 or 10.2
I thought that is the whole point of using open drivers on Radeon - to use the
superior 10.1+ drivers over Catalyst and feature-, performance, and
powersaving- gutted Mesa 9.2

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #216 from Kajzer <kap3tan@gmail.com> ---
(In reply to comment #215)
> (In reply to comment #214)
> > On my RV635 things are really great, still not a single crash, DPM working
> > without any issues.
> > Running 24/7 for weeks.
> > 
> 
> Try mesa 10.1 or 10.2
> I thought that is the whole point of using open drivers on Radeon - to use
> the superior 10.1+ drivers over Catalyst and feature-, performance, and
> powersaving- gutted Mesa 9.2

I did, had to go back to 9.2 though, there were some strange artifacts
(textures were sometimes bizarre) on few games and in xbmc , not on desktop.
However, dpm was still working fine and that's the point of this topic I think
:)
Performance and mesa features will come in time I guess.
Main thing for me is dpm, powersaving.
I mean, beside debian wheezy I can't even use catalyst, it's possible with a
painful downgrading of xorg but I don't like that.
With open drivers I can now use any distro without overheating.
Yeah, opengl sucks (mesa) at the moment but things might change soon.

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--- Comment #217 from lockheed <qwrules@gmail.com> ---
> However, dpm was still working fine and that's the point of this topic I
> think :)
> Performance and mesa features will come in time I guess. Main thing for me is dpm, powersaving.

Yeah, that's the whole point. Performance and features are already here. What
is not here is working DPM. As it is now, if crashes profusely on our chips.


> I mean, beside debian wheezy I can't even use catalyst, it's possible with a
> painful downgrading of xorg but I don't like that.
> With open drivers I can now use any distro without overheating.
> Yeah, opengl sucks (mesa) at the moment but things might change soon.

Try Arch.

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--- Comment #218 from Kajzer <kap3tan@gmail.com> ---
(In reply to comment #217)
> Yeah, that's the whole point. Performance and features are already here.
> What is not here is working DPM. As it is now, if crashes profusely on our
> chips.

Yeah, well it's a weird thing this problem, it crashes for you and it doesn't
crash for me, you can boot every time and I can't boot every time, you see
performance and features and I don't.

Although, regarding performance and features, I was only curious to see if some
games from Steam which worked under catalyst will work with open driver, and
they didn't.
So for me I guess features are not there yet, performance maybe.

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--- Comment #219 from lockheed <qwrules@gmail.com> ---
> Yeah, well it's a weird thing this problem, it crashes for you and it
> doesn't crash for me, you can boot every time and I can't boot every time,
> you see performance and features and I don't.
> 
> Although, regarding performance and features, I was only curious to see if
> some games from Steam which worked under catalyst will work with open
> driver, and they didn't.
> So for me I guess features are not there yet, performance maybe.

I don't game, so am not sure about performance. What I do know is the power
management got way better, and with current drivers I get temperatures
comparable (or even slightly lower) than with Catalysts.

What I think is key here, is that you are using 9.2, and I get my issues on
10.x.

Also, my understanding was that this bug list is for DPM problems in the newest
mesa.  If this is so, then I don't even know why are you in this thread in the
first place, since you are using 9.2.

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[Bug 66963] Rv6xx dpm problems

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--- Comment #220 from Alex Deucher <agd5f@yahoo.com> ---
(In reply to comment #219)
> 
> Also, my understanding was that this bug list is for DPM problems in the
> newest mesa.  If this is so, then I don't even know why are you in this
> thread in the first place, since you are using 9.2.

Mesa and dpm are unrelated.  This bug is about dpm stability on rv6xx asics
regardless of what version of the userspace drivers you are using.

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--- Comment #221 from lockheed <qwrules@gmail.com> ---
> Mesa and dpm are unrelated.  This bug is about dpm stability on rv6xx asics
> regardless of what version of the userspace drivers you are using.

So what is DPM dependant on/part of? xf86-video-ati?

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #222 from Alex Deucher <agd5f@yahoo.com> ---
(In reply to comment #221)
> > Mesa and dpm are unrelated.  This bug is about dpm stability on rv6xx asics
> > regardless of what version of the userspace drivers you are using.
> 
> So what is DPM dependant on/part of? xf86-video-ati?

It's part of the radeon kernel driver.  It doesn't matter what userspace
drivers (mesa, xf86-video-ati) you use.

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--- Comment #223 from lockheed <qwrules@gmail.com> ---
> It's part of the radeon kernel driver.  It doesn't matter what userspace
> drivers (mesa, xf86-video-ati) you use.

Ok, thanks for enlightening me. I had things confused. So this is a kernel bug
list? I thought it is X-related.

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--- Comment #224 from Alex Deucher <agd5f@yahoo.com> ---
(In reply to comment #223)
> Ok, thanks for enlightening me. I had things confused. So this is a kernel
> bug list? I thought it is X-related.

https://bugs.freedesktop.org covers lots of projects including the drm kernel
drivers.  The product and component fields target different parts of the stack.
 In this case Product = DRI and Component = DRM/Radeon is the radeon kernel
driver.  Product = Mesa and Component = Drivers/Gallium/r600 would be the mesa
driver.

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--- Comment #225 from Kajzer <kap3tan@gmail.com> ---
(In reply to comment #219)
> Also, my understanding was that this bug list is for DPM problems in the
> newest mesa.  If this is so, then I don't even know why are you in this
> thread in the first place, since you are using 9.2.

I'm here because the title of this thread says it all.

Maybe you should try to test your dpm issues with something more stable, just
install kernel 3.14, don't go crazy with git versions of X and Mesa, maybe your
current problems will go away.

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #226 from Kajzer <kap3tan@gmail.com> ---
Gotta correct something about what I said regarding Steam and some games not
working with open drivers, just found out what the problem was with that,
problem was patent S3TC, installing very small library libtxc_dxtn solved all
those problems, every game works now and performance is great, even with Mesa
9.2 :)

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #227 from Nicola Mori <nicolamori@aol.com> ---
This morning I got my first black screen on boot since the update to kernel
3.14. The subsequent boot went fine. On the journal boot log I noticed that the
first boot hangs just before this line:

apr 22 09:08:27 elric kernel: [Firmware Bug]: ACPI(VGA) defines _DOD but not
_DOS

i.e., the above line is missing in the log for the failed boot while it is
present in the log for the subsequent successful boot.
Sorry if this is only noise, maybe it doesn't help at all but I'm trying to
give any possibly relevant piece of information.

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #228 from sleepforlife <neydiyaaa5@hotmail.com> ---
I think I got the same problem

kernel 3.14.2-1 on arch linux.

lspci | egrep "VGA|3D|Display"
01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI]
RV635/M86 [Mobility Radeon HD 3650]


$cat /etc/X11/xorg.conf.d/20-radeon.conf
Section "Device"
       Identifier  "My Graphics Card"
       Option "AccelMethod" "EXA"
       Option "EXAVSync" "yes"
EndSection

/var/log/Xorg.0.log = http://pastebin.com/dR2Vayr7

I'm opening DPM
and sometimes freezes the computer
alt + f2 does not respond

Is there a solution to this or the updates will solve this problem?
I want to use DPM
because perfected  performance
hopefully resolve

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #229 from Francisco Pina Martins <f.pinamartins@gmail.com> ---
Just wanted to add that after I started using linux-3.14.x my issues with DPM
are gone when using my Mobility Radeon 3650 (rv635/M86). Everything is just
working fine.
Once again, thanks for all the hard work.

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #230 from lockheed <qwrules@gmail.com> ---
(In reply to comment #229)
> Just wanted to add that after I started using linux-3.14.x my issues with
> DPM are gone when using my Mobility Radeon 3650 (rv635/M86). Everything is
> just working fine.
> Once again, thanks for all the hard work.

Francisco, were your problems related to random video crashes while using your
system, or related to boot?

What laptop are you using, if I may ask?

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #231 from Francisco Pina Martins <f.pinamartins@gmail.com> ---
@lockheed:
During initial testing (linux 3.11-rcX - 3.11.X) I used to have booting
problems.
During 3.12 - 3.13, I had the "frosting" screen problem during usage.
Since 3.14 I am not experiencing any of them.
Also note that this is no longer my main machine, and as such I don't use it as
often nowadays. However, I could very easily reproduce the frosting screen by
using enlightenment18 for a few minutes, and this frosting no longer happens
even after hours of usage.

My laptop is a Compal IFL90
(http://www.notebookcheck.net/Review-Compal-FL90-Notebook.4209.0.html), with a
T7500 CPU, and I have replaced the stock nVidia 8600M GT (broken) with a
Mobility Radeon HD 3650 (256Mb DDR3 RAM - there is a slower variant of this
card with 512Mb DDR2 RAM).

The card I am now using comes with the ACER VBios.

On the software side, I have a fully up-to-date (as of today) Arch Linux x86_64
(testing repositories disabled - only "stable" stuff).

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #232 from lockheed <qwrules@gmail.com> ---
@Francisco,
Thanks for the clarification.
This “frosting” screne problem – does it freeze the screen apart from
scrambling, and forces you to reboot?

I found that on 3.13 I was able to use my laptop sometimes for hours, or even a
day, without this happening. But it eventually always happened.
I am on a Thinkpad W500 now with two GPUs. I switched to Intel for the moment
and everything is fine. I will try again switching back to rv635 to try open
drivers. Maybe soon, as you report no problems.

However, I came to appreciate the temperature drop, battery life increase, and
better Flash performance on the Intel 4500 chip.

And I am on arch, too. Which Mesa version are you using? 
Have you tried this?
https://aur.archlinux.org/packages/mesa-r300-r600-radeonsi-git/

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #233 from Francisco Pina Martins <f.pinamartins@gmail.com> ---
@lockheed:

The frosting screen forced me to do a reboot, since after it happened, X became
unusably slow.

I am using the stable version of mesa: 10.1.3-1
I have used mesa-git in the past (well before DPM), to squeeze a bit of extra
performance from my card.
But since this is no longer my main machine I have reverted to stable packages
in order to lighten up the maintenance burden.
Let's hope DPM starts working fine on your card too.

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #234 from Paul Bodenbenner <paul.bodenbenner@gmail.com> ---
Just want to note:
Still about every 10 time of booting or waking up from suspend an / the hard
freeze occurs with an up-to-date Arch Linux installation.

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #235 from Harald Judt <h.judt@gmx.at> ---
With the latest kernel 3.15.6 my RV635 boots fine and no longer hangs. The only
problems that are still present are when resuming from hibernation. Even there
things are much better now, because most times there is actually something to
read on the screen instead of blankness.

It got nothing to do with the hibernation process itself, because I can resume
from the same image after a few tries. I'll see if I can get more info by using
an initrd.

Also, I will test whether this occurs with suspend/resume too or only with
hibernate/resume.

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #236 from Harald Judt <h.judt@gmx.at> ---
Ok, unfortunately I only thought I was lucky. My X server froze again, but the
machine remained accessible via ssh, so here is the last part of the dmesg:

radeon 0000:01:00.0: ring 0 stalled for more than 10017msec
radeon 0000:01:00.0: GPU lockup (waiting for 0x00000000000c72a7 last fence id
0x00000000000c7299 on ring 0)
radeon 0000:01:00.0: Saved 3289 dwords of commands on ring 0.
radeon 0000:01:00.0: GPU softreset: 0x00000008
radeon 0000:01:00.0:   R_008010_GRBM_STATUS      = 0xA0003030
radeon 0000:01:00.0:   R_008014_GRBM_STATUS2     = 0x00000003
radeon 0000:01:00.0:   R_000E50_SRBM_STATUS      = 0x200000C0
radeon 0000:01:00.0:   R_008674_CP_STALLED_STAT1 = 0x00000000
radeon 0000:01:00.0:   R_008678_CP_STALLED_STAT2 = 0x00000000
radeon 0000:01:00.0:   R_00867C_CP_BUSY_STAT     = 0x00000002
radeon 0000:01:00.0:   R_008680_CP_STAT          = 0x80000645
radeon 0000:01:00.0:   R_00D034_DMA_STATUS_REG   = 0x44C83D57
radeon 0000:01:00.0: R_008020_GRBM_SOFT_RESET=0x00004001
radeon 0000:01:00.0: SRBM_SOFT_RESET=0x00000100
radeon 0000:01:00.0:   R_008010_GRBM_STATUS      = 0xA0003030
radeon 0000:01:00.0:   R_008014_GRBM_STATUS2     = 0x00000003
radeon 0000:01:00.0:   R_000E50_SRBM_STATUS      = 0x200080C0
radeon 0000:01:00.0:   R_008674_CP_STALLED_STAT1 = 0x00000000
radeon 0000:01:00.0:   R_008678_CP_STALLED_STAT2 = 0x00000000
radeon 0000:01:00.0:   R_00867C_CP_BUSY_STAT     = 0x00000000
radeon 0000:01:00.0:   R_008680_CP_STAT          = 0x80100000
radeon 0000:01:00.0:   R_00D034_DMA_STATUS_REG   = 0x44C83D57
radeon 0000:01:00.0: GPU reset succeeded, trying to resume
[drm] PCIE gen 2 link speeds already enabled
[drm] PCIE GART of 512M enabled (table at 0x0000000000040000).
radeon 0000:01:00.0: WB enabled
radeon 0000:01:00.0: fence driver on ring 0 use gpu addr 0x0000000020000c00 and
cpu addr 0xffff88007fd6ec00
[drm] ring test on 0 succeeded in 1 usecs
radeon 0000:01:00.0: ring 0 stalled for more than 10000msec
radeon 0000:01:00.0: GPU lockup (waiting for 0x00000000000c7301 last fence id
0x00000000000c729a on ring 0)
[drm:r600_ib_test] *ERROR* radeon: fence wait failed (-35).
[drm:radeon_ib_ring_tests] *ERROR* radeon: failed testing IB on GFX ring (-35).
radeon 0000:01:00.0: ib ring test failed (-35).
radeon 0000:01:00.0: GPU softreset: 0x00000019
radeon 0000:01:00.0:   R_008010_GRBM_STATUS      = 0xA20034E0
radeon 0000:01:00.0:   R_008014_GRBM_STATUS2     = 0x00000003
radeon 0000:01:00.0:   R_000E50_SRBM_STATUS      = 0x200000C0
radeon 0000:01:00.0:   R_008674_CP_STALLED_STAT1 = 0x01000000
radeon 0000:01:00.0:   R_008678_CP_STALLED_STAT2 = 0x00001002
radeon 0000:01:00.0:   R_00867C_CP_BUSY_STAT     = 0x00028486
radeon 0000:01:00.0:   R_008680_CP_STAT          = 0x80838645
radeon 0000:01:00.0:   R_00D034_DMA_STATUS_REG   = 0x44C83D57
radeon 0000:01:00.0: R_008020_GRBM_SOFT_RESET=0x00007FEF
radeon 0000:01:00.0: SRBM_SOFT_RESET=0x00000100
radeon 0000:01:00.0:   R_008010_GRBM_STATUS      = 0xA0003030
radeon 0000:01:00.0:   R_008014_GRBM_STATUS2     = 0x00000003
radeon 0000:01:00.0:   R_000E50_SRBM_STATUS      = 0x200080C0
radeon 0000:01:00.0:   R_008674_CP_STALLED_STAT1 = 0x00000000
radeon 0000:01:00.0:   R_008678_CP_STALLED_STAT2 = 0x00000000
radeon 0000:01:00.0:   R_00867C_CP_BUSY_STAT     = 0x00000000
radeon 0000:01:00.0:   R_008680_CP_STAT          = 0x80100000
radeon 0000:01:00.0:   R_00D034_DMA_STATUS_REG   = 0x44C83D57
radeon 0000:01:00.0: GPU reset succeeded, trying to resume
[drm] PCIE gen 2 link speeds already enabled
[drm] PCIE GART of 512M enabled (table at 0x0000000000040000).
radeon 0000:01:00.0: WB enabled
radeon 0000:01:00.0: fence driver on ring 0 use gpu addr 0x0000000020000c00 and
cpu addr 0xffff88007fd6ec00
[drm] ring test on 0 succeeded in 1 usecs
[drm] ib test on ring 0 succeeded in 0 usecs
[drm:radeon_pm_resume_dpm] *ERROR* radeon: dpm resume failed
switching from power state:
    ui class: none
    internal class: boot 
    caps: video 
    uvd    vclk: 0 dclk: 0
        power level 0    sclk: 72500 mclk: 40000 vddc: 1250
        power level 1    sclk: 72500 mclk: 40000 vddc: 1250
        power level 2    sclk: 72500 mclk: 40000 vddc: 1250
    status: c b 
switching to power state:
    ui class: performance
    internal class: none
    caps: single_disp video 
    uvd    vclk: 0 dclk: 0
        power level 0    sclk: 11000 mclk: 25200 vddc: 900
        power level 1    sclk: 30000 mclk: 35000 vddc: 1000
        power level 2    sclk: 72500 mclk: 40000 vddc: 1250
    status: r

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #237 from Shawn Starr <shawn.starr@rogers.com> ---
Can people try the following options:

Boot your kernel with:

radeon.runpm=1 radeon.dpm=1 [ radeon.hard_reset=1 optional one]

Get the correct PCI address from sysfs)

echo high >
/sys/devices/pci0000:00/0000:00:01.0/0000:01:00.0/power_dpm_force_performance_level
echo performance >
/sys/devices/pci0000:00/0000:00:01.0/0000:01:00.0/power_dpm_state

You will get hotter, is your GPU stable during use?

I've been running it this way now and no resets have occurred, rebooting works
w/o issue also.

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #238 from Paul Bodenbenner <paul.bodenbenner@gmail.com> ---
I am pretty sure that the problem which I encounter isn't related to a thermal
problem. At the next hang I will check if I still can connect through ssh for
checking logs.

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #239 from Kajzer <kap3tan@gmail.com> ---
@Shawn Starr, 

I can confirm 100% that there are no freezes anymore with auto->high and
balanced->performance.
I can tell that for sure because I was able to reproduce freeze every time.
With this there were no freezes, not once.

As for booting I didn't try your suggestions because I rarely reboot and since
I'm on these changes (no freezes) it doesn't crash on boot either.
Before those changes it used to crash on boot.
I guess one is related to other, but on that I'm not sure, really not in the
mood to reboot hundreds of times to see if its gonna hang.
If it does I might try with additional boot kernel radeon options.

btw theres no need to complicate the commands, I do it like this :

echo high > /sys/class/drm/card0/device/power_dpm_force_performance_level

echo performance > /sys/class/drm/card0/device/power_dpm_state

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #240 from Kajzer <kap3tan@gmail.com> ---
Update: just had a crash on boot, I guess Ill try your options for boot and see
will it happen again.

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #241 from Alex Deucher <agd5f@yahoo.com> ---
(In reply to comment #239)
> echo high > /sys/class/drm/card0/device/power_dpm_force_performance_level
> 
> echo performance > /sys/class/drm/card0/device/power_dpm_state


This is effectively the same as disabling dpm.

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #242 from Kajzer <kap3tan@gmail.com> ---
(In reply to comment #241)
> (In reply to comment #239)
> > echo high > /sys/class/drm/card0/device/power_dpm_force_performance_level
> > 
> > echo performance > /sys/class/drm/card0/device/power_dpm_state
> 
> 
> This is effectively the same as disabling dpm.

Hm, doesn't appear like that.
The only difference I can see from the default dpm values (auto, balanced) is
that I'm running 2 Celsius hotter and there are no crashes.

Without dpm it's 25 Celsius hotter and that's just on idle.

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #243 from Kajzer <kap3tan@gmail.com> ---
I mean, sure, it's not dynamic and it runs on max, but Ill take it.
It is what it is, on auto it freezes, theres not much I can do about it.
This way I can switch manually from high to low when needed, yeah its a pain
but at least it's working without crashes.

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #244 from Alex Deucher <agd5f@yahoo.com> ---
Created attachment 106085
  --> https://bugs.freedesktop.org/attachment.cgi?id=106085&action=edit
workaround for basic enablement

As per feedback from the last few comments the attached patch forces the
performance level to high rather than auto which should fix the stability
issues and lower power usage due to clockgating, etc. and enables dpm by
default for rv6xx.

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #245 from Kajzer <kap3tan@gmail.com> ---
(In reply to comment #244)
> Created attachment 106085 [details] [review]
> workaround for basic enablement
> 
> As per feedback from the last few comments the attached patch forces the
> performance level to high rather than auto which should fix the stability
> issues and lower power usage due to clockgating, etc. and enables dpm by
> default for rv6xx.

That's great, thanks.

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #246 from Mateusz Jończyk <mat.jonczyk@o2.pl> ---
(In reply to Alex Deucher from comment #244)
> Created attachment 106085 [details] [review]
> workaround for basic enablement
> 
> As per feedback from the last few comments the attached patch forces the
> performance level to high rather than auto which should fix the stability
> issues and lower power usage due to clockgating, etc. and enables dpm by
> default for rv6xx.

Is this patch going to be mainlined? (or was it mainlined already?)

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #247 from Alex Deucher <agd5f@yahoo.com> ---
(In reply to Mateusz Jończyk from comment #246)
> (In reply to Alex Deucher from comment #244)
> > Created attachment 106085 [details] [review] [review]
> > workaround for basic enablement
> > 
> > As per feedback from the last few comments the attached patch forces the
> > performance level to high rather than auto which should fix the stability
> > issues and lower power usage due to clockgating, etc. and enables dpm by
> > default for rv6xx.
> 
> Is this patch going to be mainlined? (or was it mainlined already?)

Not until it's tested and it proves to work reliably on all the problematic
systems here.

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #248 from Laurento Frittella <laurento.frittella@gmail.com> ---
(In reply to Alex Deucher from comment #247)
> Not until it's tested and it proves to work reliably on all the problematic
> systems here.

Unfortunately I tried your patch on kernel 3.17.1 and it doesn't work, my
system still hangs resuming after hibernate. Everything is working well with
DPM disabled.

$ lspci | grep VGA
01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI]
RV620/M82 [Mobility Radeon HD 3450/3470]

Please let me know if I can provide any other useful information.

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #249 from Kajzer <kap3tan@gmail.com> ---
Patch is working fine, had zero issues.
However, it still hangs on boot sometimes, it doesn't actually hang, it looks
like it's crashed for a couple of seconds, monitor flashes on and off, then it
boots but without dpm.

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #250 from Kajzer <kap3tan@gmail.com> ---
With kernels 3.17 and 3.18 I have freezes when playing some games, those
freezes can happen somewhere between 10 minutes and 1 hour.
Freeze occur only in games.
With kernel 3.16 everything is normal and there are no freezes.
Latest patch (auto->high and radeon.dpm=1) is used in each of those kernels.
Everything else is exactly the same, just booting with different kernel makes a
difference.

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #251 from Alex Deucher <alexdeucher@gmail.com> ---
(In reply to Kajzer from comment #250)
> With kernels 3.17 and 3.18 I have freezes when playing some games, those
> freezes can happen somewhere between 10 minutes and 1 hour.
> Freeze occur only in games.
> With kernel 3.16 everything is normal and there are no freezes.
> Latest patch (auto->high and radeon.dpm=1) is used in each of those kernels.
> Everything else is exactly the same, just booting with different kernel
> makes a difference.

Can you bisect?

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #252 from Kajzer <kap3tan@gmail.com> ---
(In reply to Alex Deucher from comment #251)
> (In reply to Kajzer from comment #250)
> > With kernels 3.17 and 3.18 I have freezes when playing some games, those
> > freezes can happen somewhere between 10 minutes and 1 hour.
> > Freeze occur only in games.
> > With kernel 3.16 everything is normal and there are no freezes.
> > Latest patch (auto->high and radeon.dpm=1) is used in each of those kernels.
> > Everything else is exactly the same, just booting with different kernel
> > makes a difference.
> 
> Can you bisect?

I can try, never done that.
I'm on gentoo and I guess I'll follow this guide for bisecting :
http://wiki.gentoo.org/wiki/Kernel_git-bisect

I'm using these kernel versions :
  [1]   linux-3.16.7-gentoo *
  [2]   linux-3.17.7-gentoo
  [3]   linux-3.18.1-gentoo

I'll mark 3.16.7 as good and 3.17.7 as bad, might take some time though because
there are lots of patches between those two versions. My guess is that 3.18
picked up whatever was bad for this bug from 3.17
I'll try to do this ASAP but it might take some time.
This line from that bisect guide got me scared :
"Try to narrow the versions down as much as possible before starting the
bisect, you might need to recompile the kernel a lot of times otherwise."

If you know any faster way or have any suggestion please do tell.
It might be easier (for me) if I can see somewhere changes in radeon only (3.16
-> 3.17) and then compile the kernel with or without those changes until I find
which one is a culprit.

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

Alex Deucher <alexdeucher@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |pavol@klacansky.com

--- Comment #253 from Alex Deucher <alexdeucher@gmail.com> ---
*** Bug 89262 has been marked as a duplicate of this bug. ***

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Alex Deucher <alexdeucher@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |littel.jo@gmail.com

--- Comment #254 from Alex Deucher <alexdeucher@gmail.com> ---
*** Bug 89294 has been marked as a duplicate of this bug. ***

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

Maciej Gluszek <info@maciejgluszek.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |info@maciejgluszek.com

--- Comment #255 from Maciej Gluszek <info@maciejgluszek.com> ---
*** Bug 89196 has been marked as a duplicate of this bug. ***

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #256 from Guram Savinov <guram.savinov@gmail.com> ---
What is the progress of this issue?

I have this bug for a long time since I set DPM on for my HD3650(RV635 chip).
My current kernel is 3.13.0-48-generic from Ubuntu.

Few days ago I set this two kernel parameters: radeon.hard_reset=1
radeon.lockup_timeout=20000, but I'm not sure that it helps.

I think that workoround with setting high performance level is not a solution,
because it same as turning off DPM at all. People say that this workaround
doesn't make GPU too hotter, but I think it's not true for every graphic card.
HD3650 with performance profile (before DPM was developed I used profiles) make
it very hot, cooler buzz loudly trying to decrease GPU temperature.

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #257 from Maciej Gluszek <info@maciejgluszek.com> ---
@Guram Savinov: I also tried setting DPM + high performance for my HD3650 and
it worked but the fan was still running too loud (not overheating just loud).

Then i installed Kernel 4.0, removed "high performance" settings and it works
great now. I still have DPM set during boot but no more setting the card to be
running on high performance. Couple of days and no lockups.

I'm on Ubuntu.

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #258 from Guram Savinov <guram.savinov@gmail.com> ---
(In reply to Maciej Gluszek from comment #257)
> @Guram Savinov: I also tried setting DPM + high performance for my HD3650
> and it worked but the fan was still running too loud (not overheating just
> loud).
> 
> Then i installed Kernel 4.0, removed "high performance" settings and it
> works great now. I still have DPM set during boot but no more setting the
> card to be running on high performance. Couple of days and no lockups.
> 
> I'm on Ubuntu.

Maybe turning off DPM (do not set radeon.dpm=1 in kernel parameters) is better
than using DPM with high performance?

What Ubuntu release do you use? How you installed kernel 4.0?

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #259 from Maciej Gluszek <info@maciejgluszek.com> ---
Sorry, I was wrong after all. After 2 days i got a lockup again and went back
to the old method.

When i don't set DPM at boot GPU is overheating and the fan goes crazy. When
setting performance to something other than "high" - lockups happen.

I'm on Ubuntu 14.04 and using kernels from
http://kernel.ubuntu.com/~kernel-ppa/mainline/

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #260 from Guram Savinov <guram.savinov@gmail.com> ---
I mean that we should try two old powersave methods: profiles and dynamic
frequency switching: https://wiki.archlinux.org/index.php/ATI#Powersaving
I used to use profiles and I didn't have any problems with GUI, but GPU was
more hot than with DPM.

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #261 from Armin Wehrfritz <dkxls23@gmail.com> ---
I just tested dpm for the radeon RV635 card in my Thinkpad T500 with the kernel
4.0.4-2.g4f5e0d5-desktop x86_64 under OpenSUSE 13.2. 
I probably should mention that I have not tested to change
'power_dpm_force_performance_level' or 'power_dpm_state', so both of them are
at their default.

1) with radeon.dpm=1 the GPU will not be initialised correctly due to some
issues with the UVD, here the log:

[drm:uvd_v1_0_start [radeon]] *ERROR* UVD not responding, trying to reset the
VCPU!!!
[drm:uvd_v1_0_start [radeon]] *ERROR* UVD not responding, giving up!!!
[drm:r600_startup [radeon]] *ERROR* radeon: failed initializing UVD (-1).
radeon 0000:01:00.0: ring 0 stalled for more than 10020msec
radeon 0000:01:00.0: GPU lockup (current fence id 0x0000000000000000 last fence
id 0x0000000000000001 on ring 0)
[drm:r600_ib_test [radeon]] *ERROR* radeon: fence wait failed (-35).
[drm:radeon_ib_ring_tests [radeon]] *ERROR* radeon: failed testing IB on GFX
ring (-35).
[drm:radeon_device_init [radeon]] *ERROR* ib ring test failed (-35).



2) with radeon.dpm=1 and radeon.hard_reset=1 the GPU will be initialised
correctly and the system will bootup properly.
However, when opening google-chrome the GPU will lockup and the X-server
crashes, here the log:

radeon 0000:01:00.0: ring 0 stalled for more than 10465msec
radeon 0000:01:00.0: GPU lockup (current fence id 0x0000000000009ca0 last fence
id 0x0000000000009cc3 on ring 0)
radeon 0000:01:00.0: Saved 1113 dwords of commands on ring 0.
radeon 0000:01:00.0: GPU softreset: 0x00000008
radeon 0000:01:00.0:   R_008010_GRBM_STATUS      = 0xA0003030
radeon 0000:01:00.0:   R_008014_GRBM_STATUS2     = 0x00000003
radeon 0000:01:00.0:   R_000E50_SRBM_STATUS      = 0x200000C0
radeon 0000:01:00.0:   R_008674_CP_STALLED_STAT1 = 0x00000000
radeon 0000:01:00.0:   R_008678_CP_STALLED_STAT2 = 0x00000000
radeon 0000:01:00.0:   R_00867C_CP_BUSY_STAT     = 0x00020186
radeon 0000:01:00.0:   R_008680_CP_STAT          = 0x80028645
radeon 0000:01:00.0:   R_00D034_DMA_STATUS_REG   = 0x44C83D57
radeon 0000:01:00.0: R_008020_GRBM_SOFT_RESET=0x00004001
radeon 0000:01:00.0: SRBM_SOFT_RESET=0x00000100
radeon 0000:01:00.0:   R_008010_GRBM_STATUS      = 0xA0003030
radeon 0000:01:00.0:   R_008014_GRBM_STATUS2     = 0x00000003
radeon 0000:01:00.0:   R_000E50_SRBM_STATUS      = 0x200080C0
radeon 0000:01:00.0:   R_008674_CP_STALLED_STAT1 = 0x00000000
radeon 0000:01:00.0:   R_008678_CP_STALLED_STAT2 = 0x00000000
radeon 0000:01:00.0:   R_00867C_CP_BUSY_STAT     = 0x00000000
radeon 0000:01:00.0:   R_008680_CP_STAT          = 0x80100000
radeon 0000:01:00.0:   R_00D034_DMA_STATUS_REG   = 0x44C83D57
radeon 0000:01:00.0: GPU pci config reset
radeon 0000:01:00.0: GPU reset succeeded, trying to resume
[drm:radeon_pm_resume [radeon]] *ERROR* radeon: dpm resume failed
radeon 0000:01:00.0: Wait for MC idle timedout !
radeon 0000:01:00.0: Wait for MC idle timedout !
[drm] PCIE GART of 512M enabled (table at 0x0000000000254000).
radeon 0000:01:00.0: WB enabled
radeon 0000:01:00.0: fence driver on ring 0 use gpu addr 0x0000000010000c00 and
cpu addr 0xffff8800b4c0cc00
radeon 0000:01:00.0: fence driver on ring 5 use gpu addr 0x00000000000521d0 and
cpu addr 0xffffc900058921d0
[drm:r600_ring_test [radeon]] *ERROR* radeon: ring 0 test failed
(scratch(0x8504)=0xFFFFFFFF)
[drm:r600_resume [radeon]] *ERROR* r600 startup failed on resume
[drm:radeon_pm_resume [radeon]] *ERROR* radeon: dpm resume failed
May 24 19:20:32 linux.site kernel: radeon 0000:01:00.0: ring 0 stalled for more
than 10034msec
May 24 19:20:32 linux.site kernel: radeon 0000:01:00.0: GPU lockup (current
fence id 0x0000000000009ca0 last fence id 0x0000000000009cc3 on ring 0)
...

I hope this helps to track down and fix this issue. If there is something I can
test or help otherwise, please let me know.

Cheers,
Armin

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #262 from Armin Wehrfritz <dkxls23@gmail.com> ---
I just stumbled across this bug report, where similar lockups were reported for
different GPUs:
https://bugzilla.kernel.org/show_bug.cgi?id=85421

>From there I understood that the mesa version may have an affect on this.
Currently I use Mesa 10.3.7, so my question:
Could an upgrade to the latest stable mesa help with this issues?

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #263 from Kajzer <kap3tan@gmail.com> ---
(In reply to Alex Deucher from comment #251)
> (In reply to Kajzer from comment #250)
> > With kernels 3.17 and 3.18 I have freezes when playing some games, those
> > freezes can happen somewhere between 10 minutes and 1 hour.
> > Freeze occur only in games.
> > With kernel 3.16 everything is normal and there are no freezes.
> > Latest patch (auto->high and radeon.dpm=1) is used in each of those kernels.
> > Everything else is exactly the same, just booting with different kernel
> > makes a difference.
> 
> Can you bisect?

Sorry for delay.
In the meantime I tried every revision of kernel and this bug happened in each.
Last known good kernel was 3.16.7.
Here's how I started bisect :

git bisect start -- drivers/gpu/drm/radeon
git bisect good v3.16
git bisect bad v3.17

Results :

$ git bisect log
git bisect start '--' 'drivers/gpu/drm/radeon/'
# bad: [bfe01a5ba2490f299e1d2d5508cbbbadd897bbe9] Linux 3.17
git bisect bad bfe01a5ba2490f299e1d2d5508cbbbadd897bbe9
# good: [19583ca584d6f574384e17fe7613dfaeadcdc4a6] Linux 3.16
git bisect good 19583ca584d6f574384e17fe7613dfaeadcdc4a6
# good: [03f62abd112d5150b6ce8957fa85d4f6e85e357f] drm/radeon: split PT setup
in more functions
git bisect good 03f62abd112d5150b6ce8957fa85d4f6e85e357f
# bad: [52da51f0f9ea9d213adfc99223630707b26d1d38] drm/radeon: fix active_cu
mask on SI and CIK after re-init (v3)
git bisect bad 52da51f0f9ea9d213adfc99223630707b26d1d38
# good: [6e909f74db2aa9c5b5606b81efcbe18f2749b008] drm/radeon: add bapm module
parameter
git bisect good 6e909f74db2aa9c5b5606b81efcbe18f2749b008
# good: [c8ad8b563c7e724e2fedc3aee5bcbd401668474c] drm/radeon: Remove duplicate
include from Makefile
git bisect good c8ad8b563c7e724e2fedc3aee5bcbd401668474c
# good: [73ef0e0d62de4a8d40d34a6f645faee2f6e1ac33] drm/radeon: fix display
handling in radeon_gpu_reset
git bisect good 73ef0e0d62de4a8d40d34a6f645faee2f6e1ac33
# good: [cd1c9c1a4b06d3bc264e774ad84c410ce02e124e] drm/radeon: re-enable
selective GPUVM flushing
git bisect good cd1c9c1a4b06d3bc264e774ad84c410ce02e124e
# bad: [6101b3ae94b4f266456308824e9ca4eab1235d1a] drm/radeon: fix active cu
count for SI and CIK
git bisect bad 6101b3ae94b4f266456308824e9ca4eab1235d1a
# first bad commit: [6101b3ae94b4f266456308824e9ca4eab1235d1a] drm/radeon: fix
active cu count for SI and CIK
# bad: [6101b3ae94b4f266456308824e9ca4eab1235d1a] drm/radeon: fix active cu
count for SI and CIK

git bisect visualize 
commit 6101b3ae94b4f266456308824e9ca4eab1235d1a
Author: Alex Deucher <alexander.deucher@amd.com>
Date:   Tue Aug 19 11:54:15 2014 -0400

    drm/radeon: fix active cu count for SI and CIK

    This fixes the CU count reported to userspace for
    OpenCL.

    bug:
    https://bugzilla.kernel.org/show_bug.cgi?id=82581

    Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
    Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
    Cc: stable@vger.kernel.org

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[Bug 66963] Rv6xx dpm problems

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #264 from Alex Deucher <alexdeucher@gmail.com> ---
(In reply to Kajzer from comment #263)
> git bisect visualize 
> commit 6101b3ae94b4f266456308824e9ca4eab1235d1a
> Author: Alex Deucher <alexander.deucher@amd.com>
> Date:   Tue Aug 19 11:54:15 2014 -0400
> 
>     drm/radeon: fix active cu count for SI and CIK
>     
>     This fixes the CU count reported to userspace for
>     OpenCL.
>     
>     bug:
>     https://bugzilla.kernel.org/show_bug.cgi?id=82581
>     
>     Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
>     Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
>     Cc: stable@vger.kernel.org

Something must have gone wrong in your bisect.  That commit does not affect
your chip.  Perhaps the bug is somewhat hard to reproduce which caused you to
mis-mark some commits as good.

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[Bug 66963] Rv6xx dpm problems

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #265 from Kajzer <kap3tan@gmail.com> ---
(In reply to Alex Deucher from comment #264)
> (In reply to Kajzer from comment #263)
> > git bisect visualize 
> > commit 6101b3ae94b4f266456308824e9ca4eab1235d1a
> > Author: Alex Deucher <alexander.deucher@amd.com>
> > Date:   Tue Aug 19 11:54:15 2014 -0400
> > 
> >     drm/radeon: fix active cu count for SI and CIK
> >     
> >     This fixes the CU count reported to userspace for
> >     OpenCL.
> >     
> >     bug:
> >     https://bugzilla.kernel.org/show_bug.cgi?id=82581
> >     
> >     Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
> >     Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
> >     Cc: stable@vger.kernel.org
> 
> Something must have gone wrong in your bisect.  That commit does not affect
> your chip.  Perhaps the bug is somewhat hard to reproduce which caused you
> to mis-mark some commits as good.

Could be the case. Bug is hard to reproduce because it happens only in games
and at random intervals. And you can't idle it. Sadly I don't have much time
for gaming now. I'll try it one more time, more thoroughly.
One question though, if I'm 100% positive that v3.16 is good, should I skip
bisects (mark them as good) if they end up as 3.16.0+ image after bisect ?
Thus testing only v3.17 bisects.
Because out of 7 steps 3 were from 3.17, it can save a lot of time if I could
skip 3.16 bisects.

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[Bug 66963] Rv6xx dpm problems

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #266 from Alex Deucher <alexdeucher@gmail.com> ---
(In reply to Kajzer from comment #265)
> Could be the case. Bug is hard to reproduce because it happens only in games
> and at random intervals. And you can't idle it. Sadly I don't have much time
> for gaming now. I'll try it one more time, more thoroughly.
> One question though, if I'm 100% positive that v3.16 is good, should I skip
> bisects (mark them as good) if they end up as 3.16.0+ image after bisect ?
> Thus testing only v3.17 bisects.
> Because out of 7 steps 3 were from 3.17, it can save a lot of time if I
> could skip 3.16 bisects.

No, you can't skip them.  3.16.0+ just means 3.16.0 plus additional commits on
top of it.  Once of those commits may be a problematic one.

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[Bug 66963] Rv6xx dpm problems

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #267 from Ilia Mirkin <imirkin@alum.mit.edu> ---
(In reply to Kajzer from comment #265)
> One question though, if I'm 100% positive that v3.16 is good, should I skip
> bisects (mark them as good) if they end up as 3.16.0+ image after bisect ?

On the bright side, you can be sure that all the bad commits are bad, and you
can just remark all the bad commits as bad up-front.

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #268 from Kajzer <kap3tan@gmail.com> ---
(In reply to Alex Deucher from comment #266)
> No, you can't skip them.  3.16.0+ just means 3.16.0 plus additional commits
> on top of it.  Once of those commits may be a problematic one.

Thanks, I get it now.
I'll do it right this time and it won't be long before I finish it.

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[Bug 66963] Rv6xx dpm problems

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 2085 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #269 from Kajzer <kap3tan@gmail.com> ---
Done :

git bisect start '--' 'drivers/gpu/drm/radeon'
# good: [19583ca584d6f574384e17fe7613dfaeadcdc4a6] Linux 3.16
git bisect good 19583ca584d6f574384e17fe7613dfaeadcdc4a6
# bad: [bfe01a5ba2490f299e1d2d5508cbbbadd897bbe9] Linux 3.17
git bisect bad bfe01a5ba2490f299e1d2d5508cbbbadd897bbe9
# bad: [03f62abd112d5150b6ce8957fa85d4f6e85e357f] drm/radeon: split PT setup in
more functions
git bisect bad 03f62abd112d5150b6ce8957fa85d4f6e85e357f
# bad: [391bfec33cd4e103274f197924d41ef648b849de] drm/radeon: remove visible
vram size limit on bo allocation (v4)
git bisect bad 391bfec33cd4e103274f197924d41ef648b849de
# good: [da9976206c15178eeae1b4445c9266125bf35b0a] drm/radeon: enable display
scaling on all connectors (v2)
git bisect good da9976206c15178eeae1b4445c9266125bf35b0a
# good: [380670aebfca998bb67b9cf05fc7f28ebeac4b18] drm/radeon: Demote 'BO
allocation size too large' message to debug only
git bisect good 380670aebfca998bb67b9cf05fc7f28ebeac4b18
# bad: [02376d8282b88f07d0716da6155094c8760b1a13] drm/radeon: Allow
write-combined CPU mappings of BOs in GTT (v2)
git bisect bad 02376d8282b88f07d0716da6155094c8760b1a13
# good: [77497f2735ad6e29c55475e15e9790dbfa2c2ef8] drm/radeon: Pass GART page
flags to radeon_gart_set_page() explicitly
git bisect good 77497f2735ad6e29c55475e15e9790dbfa2c2ef8
# first bad commit: [02376d8282b88f07d0716da6155094c8760b1a13] drm/radeon:
Allow write-combined CPU mappings of BOs in GTT (v2)

commit 02376d8282b88f07d0716da6155094c8760b1a13
Author: Michel Dänzer <michel.daenzer@amd.com>
Date:   Thu Jul 17 19:01:08 2014 +0900

    drm/radeon: Allow write-combined CPU mappings of BOs in GTT (v2)

    v2: fix rebase onto drm-fixes

    Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
    Reviewed-by: Christian König <christian.koenig@amd.com>
    Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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[Bug 66963] Rv6xx dpm problems

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #270 from Michel Dänzer <michel@daenzer.net> ---
Kajzer, I don't think this has anything to do with the original problem
reported here anymore but should be tracked in a separate report.

(In reply to Kajzer from comment #269)
> # first bad commit: [02376d8282b88f07d0716da6155094c8760b1a13] drm/radeon:
> Allow write-combined CPU mappings of BOs in GTT (v2)
> 
> commit 02376d8282b88f07d0716da6155094c8760b1a13
> Author: Michel Dänzer <michel.daenzer@amd.com>
> Date:   Thu Jul 17 19:01:08 2014 +0900
> 
>     drm/radeon: Allow write-combined CPU mappings of BOs in GTT (v2)

Are you 100% (or at least 99.99...% :) sure that the problem doesn't happen
without this commit?

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[Bug 66963] Rv6xx dpm problems

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 721 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #271 from Kajzer <kap3tan@gmail.com> ---
(In reply to Michel Dänzer from comment #270)
> Are you 100% (or at least 99.99...% :) sure that the problem doesn't happen
> without this commit?

No I'm not, that's what bisect gave me, I don't know which one is it.
But I'm 100% sure the problem doesn't happen with kernel 3.16
Out of 7 bisects 4 were bad and 3 were good.
Each bad bisect happened within an hour of game play, as for good ones I marked
them as good after 4+ hours of active play. In my experience with this bug
that's more than enough to say it's good.

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[Bug 66963] Rv6xx dpm problems

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 609 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #272 from Kajzer <kap3tan@gmail.com> ---
(In reply to Michel Dänzer from comment #270)
> Kajzer, I don't think this has anything to do with the original problem
> reported here anymore but should be tracked in a separate report.

I missed this in my previous reply....
Problem manifest itself exactly the same as this dpm problem.
I suspect your commit has nothing to do with dpm but it is what it is.
I don't know what else I can do to help with this.

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[Bug 66963] Rv6xx dpm problems

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 703 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #273 from Michel Dänzer <michel@daenzer.net> ---
(In reply to Kajzer from comment #272)
> Problem manifest itself exactly the same as this dpm problem.

The original description of this report says: "screen becomes blank after grub
trying to boot it". Please file your own report.


> I don't know what else I can do to help with this.

Please run a kernel built from commit 77497f2735ad6e29c55475e15e9790dbfa2c2ef8
(the commit before 02376d8282b88f07d0716da6155094c8760b1a13) for at least a few
days to make sure it doesn't happen with that.

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[Bug 66963] Rv6xx dpm problems

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 1572 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #274 from Kajzer <kap3tan@gmail.com> ---
(In reply to Michel Dänzer from comment #273)
> The original description of this report says: "screen becomes blank after
> grub trying to boot it". Please file your own report.

When it happens screen freeze for a few seconds, then it goes blank for a few
seconds, then it comes back with strange artifacts on the screen, system is
basically unresponsive, the only thing you can do is a hard reset.


> Please run a kernel built from commit
> 77497f2735ad6e29c55475e15e9790dbfa2c2ef8 (the commit before
> 02376d8282b88f07d0716da6155094c8760b1a13) for at least a few days to make
> sure it doesn't happen with that.

That's gonna be a problem, I don't have that image anymore.

Anyway, it doesn't matter, seems like I'm the only one with this issue, or at
least the only one reporting it. Main thing is that dpm finally works without
problems with profile set to high, except (in my case) problem happens again,
but only with kernels 3.17 and above and only when playing games. Could be mesa
related somehow in combination with something introduced in kernel 3.17.
One thing I can say for sure, with kernels 3.16 and below mesa version doesn't
matter, I tried every mesa from 10.0 to 10.6 and this problem never happened.
It's something in the kernel but I guess it's very tricky to determine which
commit exactly. There are 57 commits between 3.16 and 3.17

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[Bug 66963] Rv6xx dpm problems

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #275 from Nicola Mori <nicolamori@aol.com> ---
(In reply to Kajzer from comment #274)
> Anyway, it doesn't matter, seems like I'm the only one with this issue, or
> at least the only one reporting it.

You are not the only one, Kajzer. I have exactly the same issue on my RV620,
but I don't have the possibility to bisect nor I know how to do it. I
appreciate your efforts very much and I'm closely following your conversation
with Michel hoping that in the end this nasty bug will be finally squashed. I
was silent because comments like "me too" are useless, but this does not mean
that nobody is interested in this issue (I'd say rather the opposite given the
number of CC'ers).

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[Bug 66963] Rv6xx dpm problems

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 1181 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #276 from Kajzer <kap3tan@gmail.com> ---
(In reply to Nicola Mori from comment #275)
> You are not the only one, Kajzer. I have exactly the same issue on my RV620,
> but I don't have the possibility to bisect nor I know how to do it. I
> appreciate your efforts very much and I'm closely following your
> conversation with Michel hoping that in the end this nasty bug will be
> finally squashed. I was silent because comments like "me too" are useless,
> but this does not mean that nobody is interested in this issue (I'd say
> rather the opposite given the number of CC'ers).

I understand, well I'm glad I'm not alone, it was starting to feel weird, so
basically I decided to give up today. You gave me strength now to continue :)

@Michel Dänzer, I can do a bisect one more time, but I'm 99% sure I did it
right.
If it's not a big problem, can you please tell me how I can either exclude your
commit from 3.17 or add it to 3.16 ? Either way works and I can then definitely
say if your commit was the one or not.

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[Bug 66963] Rv6xx dpm problems

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 984 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #277 from Rafał Miłecki <zajec5@gmail.com> ---
(In reply to Kajzer from comment #276)
> I understand, well I'm glad I'm not alone, it was starting to feel weird, so
> basically I decided to give up today. You gave me strength now to continue :)

I can assure you there are many more followers of your fight :) I wish you luck
with it!


> @Michel Dänzer, I can do a bisect one more time, but I'm 99% sure I did it
> right.
> If it's not a big problem, can you please tell me how I can either exclude
> your commit from 3.17 or add it to 3.16 ? Either way works and I can then
> definitely say if your commit was the one or not.

Don't start the bisect again, just try the commit Michel told about.

git reset --hard 77497f2735ad6e29c55475e15e9790dbfa2c2ef8

Then compile the kernel, install it & test for few days.

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[Bug 66963] Rv6xx dpm problems

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #278 from Alex Deucher <alexdeucher@gmail.com> ---
Be careful.  There are two issues here:
1. The general instability of dpm on r6xx (what this bug is about)
2. A potential additional dpm stability issue perhaps introduced by the
bisected commit

Solving the second one won't necessarily help the fix the first one.

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #279 from Kajzer <kap3tan@gmail.com> ---
(In reply to Rafał Miłecki from comment #277) 
> Don't start the bisect again, just try the commit Michel told about.
> 
> git reset --hard 77497f2735ad6e29c55475e15e9790dbfa2c2ef8
> 
> Then compile the kernel, install it & test for few days.

This will work even if I no longer have git directory from that bisect ?
I mean, I'm on a clean system, starting all over again with :
$ git bisect start -- drivers/gpu/drm/radeon
$ git bisect good v3.16
$ git bisect bad v3.17
Bisecting: 57 revisions left to test after this (roughly 6 steps)
[03f62abd112d5150b6ce8957fa85d4f6e85e357f] drm/radeon: split PT setup in more
functions
$ git reset --hard 77497f2735ad6e29c55475e15e9790dbfa2c2ef8
HEAD is now at 77497f2 drm/radeon: Pass GART page flags to
radeon_gart_set_page() explicitly

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[Bug 66963] Rv6xx dpm problems

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #280 from Alex Deucher <alexdeucher@gmail.com> ---
(In reply to Kajzer from comment #279)
> (In reply to Rafał Miłecki from comment #277) 
> > Don't start the bisect again, just try the commit Michel told about.
> > 
> > git reset --hard 77497f2735ad6e29c55475e15e9790dbfa2c2ef8
> > 
> > Then compile the kernel, install it & test for few days.
> 
> This will work even if I no longer have git directory from that bisect ?

yes.

> I mean, I'm on a clean system, starting all over again with :
> $ git bisect start -- drivers/gpu/drm/radeon
> $ git bisect good v3.16
> $ git bisect bad v3.17
> Bisecting: 57 revisions left to test after this (roughly 6 steps)
> [03f62abd112d5150b6ce8957fa85d4f6e85e357f] drm/radeon: split PT setup in
> more functions
> $ git reset --hard 77497f2735ad6e29c55475e15e9790dbfa2c2ef8
> HEAD is now at 77497f2 drm/radeon: Pass GART page flags to
> radeon_gart_set_page() explicitly

You don't need to start the bisect again.  `git bisect reset` will clean up the
bisect and reset your current HEAD to where it was when started the bisect.  At
that point just run `git reset --hard 77497f2735ad6e29c55475e15e9790dbfa2c2ef8`
or 'git checkout -b testing 77497f2735ad6e29c55475e15e9790dbfa2c2ef8` to
checkout the specific commit you want to test.  The second method creates a new
branch called testing with HEAD set to the specified commit.  The reset command
resets the HEAD of the current tree to the specified commit.

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #281 from Kajzer <kap3tan@gmail.com> ---
Nice, I'll start compiling now and will run that image for a few days.

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #282 from Kajzer <kap3tan@gmail.com> ---
(In reply to Alex Deucher from comment #280)
> You don't need to start the bisect again.  `git bisect reset` will clean up
> the bisect and reset your current HEAD to where it was when started the
> bisect.  At that point just run `git reset --hard
> 77497f2735ad6e29c55475e15e9790dbfa2c2ef8` or 'git checkout -b testing
> 77497f2735ad6e29c55475e15e9790dbfa2c2ef8` to checkout the specific commit
> you want to test.  The second method creates a new branch called testing
> with HEAD set to the specified commit.  The reset command resets the HEAD of
> the current tree to the specified commit.

I'm running now on kernel compiled with first method, if previous bisect was
indeed done right I don't expect dpm freeze.

Anyway, thanks for the second method, if I understood you correctly, basically
I can test if Michel's commit is bad or not by running :
$ git bisect reset
$ git checkout -b testing 02376d8282b88f07d0716da6155094c8760b1a13

Of course after I'm done with current test.
Please correct me if I'm wrong.

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #283 from Alex Deucher <alexdeucher@gmail.com> ---
(In reply to Kajzer from comment #282)
> I'm running now on kernel compiled with first method, if previous bisect was
> indeed done right I don't expect dpm freeze.
> 
> Anyway, thanks for the second method, if I understood you correctly,
> basically I can test if Michel's commit is bad or not by running :
> $ git bisect reset

You only need this if you had previously started a bisect (git bisect start).

> $ git checkout -b testing 02376d8282b88f07d0716da6155094c8760b1a13

that will create a new branch named testing.  If you already did that, you will
need to delete the existing testing branch first before you create another
branch with the same name.  So either delete the branch when you are done with
it (git branch -D testing) or create a new branch name (git branch -b testing2
02376d8282b88f07d0716da6155094c8760b1a13).

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #284 from Michel Dänzer <michel@daenzer.net> ---
(In reply to Kajzer from comment #274)
> (In reply to Michel Dänzer from comment #273)
> > The original description of this report says: "screen becomes blank after
> > grub trying to boot it". Please file your own report.
>  
> When it happens screen freeze for a few seconds, then it goes blank for a
> few seconds, then it comes back with strange artifacts on the screen, system
> is basically unresponsive, the only thing you can do is a hard reset.

Those are standard symptoms of a GPU hang and failed reset. Those symptoms can
be caused by an unlimited number of different problems. Since you're getting
those symptoms under different circumstances than those described in this
report, we have to assume it's a different problem.

Please don't make me ask you one more time to file your own report. Every
comment we add here about your problem is cluttering up this report even more
than it already is. Thanks for your understanding.

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #285 from Kajzer <kap3tan@gmail.com> ---
(In reply to Michel Dänzer from comment #284)
> Those are standard symptoms of a GPU hang and failed reset. Those symptoms
> can be caused by an unlimited number of different problems. Since you're
> getting those symptoms under different circumstances than those described in
> this report, we have to assume it's a different problem.
> 
> Please don't make me ask you one more time to file your own report. Every
> comment we add here about your problem is cluttering up this report even
> more than it already is. Thanks for your understanding.

Sure, no problem.
I thought it was the same thing because it behaved like this problem.

Anyway, I made a new report, it's here :
https://bugs.freedesktop.org/show_bug.cgi?id=91268

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

Alex Deucher <alexdeucher@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |bugs.freedesktop.org@spam.l
                   |                            |ublink.net

--- Comment #286 from Alex Deucher <alexdeucher@gmail.com> ---
*** Bug 92662 has been marked as a duplicate of this bug. ***

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #287 from bugs.freedesktop.org@spam.lublink.net ---
The following commands from comment #239 seems to have corrected the issue on
my Raden HD3650 Mobility:

>> echo high > /sys/class/drm/card0/device/power_dpm_force_performance_level
>> echo performance > /sys/class/drm/card0/device/power_dpm_state

This seems to be equivalent to the patch in comment #244. Any chance of getting
this patch into the kernel?

If anyone is willing to write a fix, as opposed to a workaround, for this
issue, I would be happy to test it on my device.

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[Bug 66963] Rv6xx dpm problems

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

Zetok <zetok@openmailbox.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |zetok@openmailbox.org

--- Comment #288 from Zetok <zetok@openmailbox.org> ---
Created attachment 126164
  --> https://bugs.freedesktop.org/attachment.cgi?id=126164&action=edit
fixes GPU freeze by reverting 02376d8282b88f07d0716da6155094c8760b1a13 on
4.6.3, tested with r9 290

(In reply to Kajzer from comment #269)
> Done :
> 
> git bisect start '--' 'drivers/gpu/drm/radeon'
> # good: [19583ca584d6f574384e17fe7613dfaeadcdc4a6] Linux 3.16
> git bisect good 19583ca584d6f574384e17fe7613dfaeadcdc4a6
> # bad: [bfe01a5ba2490f299e1d2d5508cbbbadd897bbe9] Linux 3.17
> git bisect bad bfe01a5ba2490f299e1d2d5508cbbbadd897bbe9
> # bad: [03f62abd112d5150b6ce8957fa85d4f6e85e357f] drm/radeon: split PT setup
> in more functions
> git bisect bad 03f62abd112d5150b6ce8957fa85d4f6e85e357f
> # bad: [391bfec33cd4e103274f197924d41ef648b849de] drm/radeon: remove visible
> vram size limit on bo allocation (v4)
> git bisect bad 391bfec33cd4e103274f197924d41ef648b849de
> # good: [da9976206c15178eeae1b4445c9266125bf35b0a] drm/radeon: enable
> display scaling on all connectors (v2)
> git bisect good da9976206c15178eeae1b4445c9266125bf35b0a
> # good: [380670aebfca998bb67b9cf05fc7f28ebeac4b18] drm/radeon: Demote 'BO
> allocation size too large' message to debug only
> git bisect good 380670aebfca998bb67b9cf05fc7f28ebeac4b18
> # bad: [02376d8282b88f07d0716da6155094c8760b1a13] drm/radeon: Allow
> write-combined CPU mappings of BOs in GTT (v2)
> git bisect bad 02376d8282b88f07d0716da6155094c8760b1a13
> # good: [77497f2735ad6e29c55475e15e9790dbfa2c2ef8] drm/radeon: Pass GART
> page flags to radeon_gart_set_page() explicitly
> git bisect good 77497f2735ad6e29c55475e15e9790dbfa2c2ef8
> # first bad commit: [02376d8282b88f07d0716da6155094c8760b1a13] drm/radeon:
> Allow write-combined CPU mappings of BOs in GTT (v2)
> 
> commit 02376d8282b88f07d0716da6155094c8760b1a13
> Author: Michel Dänzer <michel.daenzer@amd.com>
> Date:   Thu Jul 17 19:01:08 2014 +0900
> 
>     drm/radeon: Allow write-combined CPU mappings of BOs in GTT (v2)
>     
>     v2: fix rebase onto drm-fixes
>     
>     Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
>     Reviewed-by: Christian König <christian.koenig@amd.com>
>     Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Thank you for the great work with bisecting!

My box has been having ~constant hangs while playing games on all the kernels
I've used with my new GPU, R9 290. The behavior seems to have gotten worse over
newer mesa/kernel versions, to the point where playing just a few minutes could
result in a "hard" system hang – black screen, no response to `reisub`. Or it
could "just" result in radeon driver crash… Well, from that it was at least
possible to reboot with `reisub`. Not that it was a nice thing.

Anyway, the kernel on which it was reproducible usually within <30min of play
(quite often <10 min of play) was 4.6.3.

I've reverted 02376d8282b88f07d0716da6155094c8760b1a13 on checked out 4.6.3,
copied my Gentoo kernel config, and to my surprise, my resolving of revert
conflicts not only compiled, but booted, and after a few (>5) hours of playing,
I can say that I'm fairly sure that revert makes hangs disappear. Of course
I'll be further "testing", but that's it for me today.

Slight note regarding performance – I've noticed that when playing with patch
reverted there sometimes occur slight microstutters – i.e. tops 0.2-0.3s long,
barely noticeable, and not a problem, given that they were happening rarely,
and box finally was not freezing into oblivion when playing games.


Anyway; there are 2 problems I have with GPU – one is that resuming DPM fails
which causes slight (10s) freeze, and the other that the reverted patch
introduced, is freeze/crashing once resuming DPM fails. Crashing/freeze is gone
after revert, but the resuming DPM still fails. Given that freeze/crash is gone
I don't really care though.

I'm attaching the patch that reverts 02376d8282b88f07d0716da6155094c8760b1a13
for 4.6.3.

I'll also attach the dmsg output without commit reverted, where it crashed(?),
and dmsg output with commit reverted where resuming DPM still fails, but the
freeze/crash is gone.

Note that I don't know C, and I have no idea what reverting the patch actually
does (aside from fixing stuff for me).



Btw,

(In reply to bugs.freedesktop.org from comment #287)
> The following commands from comment #239 seems to have corrected the issue
> on my Raden HD3650 Mobility:
> 
> >> echo high > /sys/class/drm/card0/device/power_dpm_force_performance_level
> >> echo performance > /sys/class/drm/card0/device/power_dpm_state
> 
> This seems to be equivalent to the patch in comment #244. Any chance of
> getting this patch into the kernel?
> 
> If anyone is willing to write a fix, as opposed to a workaround, for this
> issue, I would be happy to test it on my device.

Yeah, no, that didn't help a bit.

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[Bug 66963] Rv6xx dpm problems

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 363 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #289 from Zetok <zetok@openmailbox.org> ---
Created attachment 126165
  --> https://bugs.freedesktop.org/attachment.cgi?id=126165&action=edit
dmesg without reverted 02376d8282b88f07d0716da6155094c8760b1a13 on 4.6.3

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[Bug 66963] Rv6xx dpm problems

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[-- Attachment #1.1: Type: text/plain, Size: 360 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #290 from Zetok <zetok@openmailbox.org> ---
Created attachment 126166
  --> https://bugs.freedesktop.org/attachment.cgi?id=126166&action=edit
dmesg with reverted 02376d8282b88f07d0716da6155094c8760b1a13 on 4.6.3

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #291 from Weber K. <weberkai@yahoo.com.br> ---
Hi!

I have HD 6850 and Kernel 4.4.14.

This problem appeared for me when I changed rootflags.
Solved with rootflags=relatime,lazytime,commit=60 in kernel parameters.

HTH

Best regards
Weber Kai

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #292 from Weber K. <weberkai@yahoo.com.br> ---
(In reply to Weber K. from comment #291)
> Hi!
> 
> I have HD 6850 and Kernel 4.4.14.
> 
> This problem appeared for me when I changed rootflags.
> Solved with rootflags=relatime,lazytime,commit=60 in kernel parameters.
> 
> HTH
> 
> Best regards
> Weber Kai

Forgot to mention: And relatime,lazytime,commit=60 in fstab
I believe maybe dpm need some fs information to work well.

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[Bug 66963] Rv6xx dpm problems

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[-- Attachment #1.1: Type: text/plain, Size: 1116 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #293 from Armin Wehrfritz <dkxls23@gmail.com> ---
I have been running a AMD/ATI RV635 with dpm enabled for over a day now without
any issues. I also suspended (to memory) and resumed the system several times
without problems.

My system informations:
System:        Lenovo Thinkpad T500
Graphics card: Mobility Radeon HD 3650 (RV635/M86)
OS:            openSUSE Leap 42.2 
Kernel:        4.4.36-8-default
OpenGL renderer string: Gallium 0.4 on AMD RV635 (DRM 2.43.0, LLVM 3.8.0)
OpenGL core profile version string: 3.3 (Core Profile) Mesa 11.2.2

As you can see from my earlier comment
(https://bugs.freedesktop.org/show_bug.cgi?id=66963#c261), I have been testing
various dpm configurations before on the same system without much success.
However, apparently with the update stack this issues doesn't appear any more -
will do some more testing though to further verify this.

Please let me know if you need any further information.

Cheers,
Armin

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #294 from Kyle K <kylek389@gmail.com> ---
Hello,

I have been having problem with my HD6870 for some time. I experienced it on
4.7/4.8/4.9 kernels (haven't tested earlier). My HD6870 works great out of the
box with DPM enabled, I do not have any issues for general use.

I do have a problem with applications that put heavier load on GPU, for example
MPV with hw acceleration enabled. My R600 tries to upclock from 300Mhz base d
efault but fails with:
Apr 21 00:34:22 xenon kernel: [drm:btc_dpm_set_power_state [radeon]] *ERROR*
rv770_restrict_performance_levels_before_switch failed
Apr 21 00:34:33 xenon kernel: [drm:btc_dpm_set_power_state [radeon]] *ERROR*
rv770_restrict_performance_levels_before_switch failed

I can reproduce this every time with:
$ mpv --hwdec=vdpau --vo=vdpau <foo.mkv>

The video playback follows but it is very choppy as you would imagine.

Attempting to use VAAPI pipeline for hw decoding results in hard system crash
with blank screen after just few seconds of playback. I can reproduce it always
with:
$ mpv --hwdec=vaapi --vo=vaapi <foo.mkv>


I'm booting with radeon.dpm=0 as a workaround, vdpau hw decoding is butter
smooth and playback in mpv is very reliable, however temps and noise is not as
great :(


I used to run Arch on latest 4.10 kernel but recently I'm playing around with
Solus so I'm on 4.9.22, here are stock settings with DPM enabled on Solus
system that I have this problem:

root@xenon /home/kyle # cat /proc/version 
Linux version 4.9.22-17.lts (root@solus-build-server) (gcc version 6.3.0
(Solus) ) #1 SMP Sat Apr 15 06:05:30 UTC 2017

root@xenon /home/kyle # grep . /sys/module/radeon/parameters/*
/sys/module/radeon/parameters/agpmode:0
/sys/module/radeon/parameters/aspm:-1
/sys/module/radeon/parameters/audio:-1
/sys/module/radeon/parameters/auxch:-1
/sys/module/radeon/parameters/backlight:-1
/sys/module/radeon/parameters/bapm:-1
/sys/module/radeon/parameters/benchmark:0
/sys/module/radeon/parameters/connector_table:0
/sys/module/radeon/parameters/deep_color:0
/sys/module/radeon/parameters/disp_priority:0
/sys/module/radeon/parameters/dpm:-1
/sys/module/radeon/parameters/dynclks:-1
/sys/module/radeon/parameters/fastfb:0
/sys/module/radeon/parameters/gartsize:1024
/sys/module/radeon/parameters/hard_reset:0
/sys/module/radeon/parameters/hw_i2c:0
/sys/module/radeon/parameters/lockup_timeout:10000
/sys/module/radeon/parameters/modeset:1
/sys/module/radeon/parameters/msi:-1
/sys/module/radeon/parameters/mst:0
/sys/module/radeon/parameters/no_wb:0
/sys/module/radeon/parameters/pcie_gen2:-1
/sys/module/radeon/parameters/r4xx_atom:0
/sys/module/radeon/parameters/runpm:-1
/sys/module/radeon/parameters/test:0
/sys/module/radeon/parameters/tv:1
/sys/module/radeon/parameters/use_pflipirq:2
/sys/module/radeon/parameters/uvd:1
/sys/module/radeon/parameters/vce:1
/sys/module/radeon/parameters/vm_block_size:12
/sys/module/radeon/parameters/vm_size:8
/sys/module/radeon/parameters/vramlimit:0

root@xenon /home/kyle # md5sum /lib/firmware/radeon/R600_*
f2432caf487c4b586a2c391435f3749c  /lib/firmware/radeon/R600_me.bin
448dbf1df580c31a0e55de22bb076be3  /lib/firmware/radeon/R600_pfp.bin
f74a5163948bde215be6b689ca24afde  /lib/firmware/radeon/R600_rlc.bin
9bc76ae83f9326debf728f98803a7e11  /lib/firmware/radeon/R600_uvd.bin

libdrm, version: 2.4.76, release: 16



Alex, I do not know if you're still keeping eye on this Bug but your attention
and effort would be hugely appreciated!

Thank you

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #295 from Alex Deucher <alexdeucher@gmail.com> ---
(In reply to Kyle K from comment #294)
> Hello,
> 
> I have been having problem with my HD6870 for some time. I experienced it on
> 4.7/4.8/4.9 kernels (haven't tested earlier). My HD6870 works great out of
> the box with DPM enabled, I do not have any issues for general use.

Please file your own bug.  This bug is for dpm on r6xx hardware.  Your hardware
is NI.

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #296 from Mihai Coman <mihai@m1x.ro> ---
Hello,

On a whim I've decided to try radeon.dpm=1 again. I've been running it for the
past couple of days and I haven't had gotten any lockups, and I used to get
them in the first 30 min. The temp. decrease is considerable, from 10 to 20
degrees C.

Can anyone else still running this old hardware try it again, to confirm?

I'm running;
Linux icxbox 4.13.11-1-ARCH
Mobility Radeon HD 3650 on HP EliteBook 8530w.

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

--- Comment #297 from Nicola Mori <nicolamori@aol.com> ---
@Mihai I'm using dpm since years on my Mobility 3470 and I only experience
random freezes very rarely. The only thing that's really annoying for me is
this:

  https://bugs.freedesktop.org/show_bug.cgi?id=94933

but it seems that it's not going to be fixed. Actually, all the remaining r6xx
dpm bugs will likely stay here forever, given the shifted focus of AMD
developer towards newer architecture and maybe the lack of hardware for
testing. Many dpm bug report threads end when the opener says he's using dpm,
with developers suddenly ceasing to reply. This sounds a lot like a "WONTFIX"
to me, and I perfectly understand the devs.

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[Bug 66963] Rv6xx dpm problems

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https://bugs.freedesktop.org/show_bug.cgi?id=66963

Martin Peres <martin.peres@free.fr> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |MOVED
             Status|NEW                         |RESOLVED

--- Comment #298 from Martin Peres <martin.peres@free.fr> ---
-- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been
closed from further activity.

You can subscribe and participate further through the new bug through this link
to our GitLab instance: https://gitlab.freedesktop.org/drm/amd/issues/334.

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