[Bug 82588] New: X fails to start with linus-tip or drm-next

[Bug 82588] New: X fails to start with linus-tip or drm-next

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https://bugs.freedesktop.org/show_bug.cgi?id=82588

          Priority: medium
            Bug ID: 82588
          Assignee: dri-devel@lists.freedesktop.org
           Summary: X fails to start with linus-tip or drm-next
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: mike@fireburn.co.uk
          Hardware: Other
            Status: NEW
           Version: DRI CVS
         Component: DRM/Radeon
           Product: DRI

Created attachment 104590
  --> https://bugs.freedesktop.org/attachment.cgi?id=104590&action=edit
DRM Next

I've not had a chance to diagnose this issue yet or bisect

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https://bugs.freedesktop.org/show_bug.cgi?id=82588

--- Comment #1 from Mike Lothian <mike@fireburn.co.uk> ---
Created attachment 104591
  --> https://bugs.freedesktop.org/attachment.cgi?id=104591&action=edit
Linux Tip

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https://bugs.freedesktop.org/show_bug.cgi?id=82588

Mike Lothian <mike@fireburn.co.uk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |mike@fireburn.co.uk

--- Comment #2 from Mike Lothian <mike@fireburn.co.uk> ---
Both were compiled with the new kabini firmware

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https://bugs.freedesktop.org/show_bug.cgi?id=82588

--- Comment #3 from Michel Dänzer <michel@daenzer.net> ---
Does reverting
http://cgit.freedesktop.org/~agd5f/linux/commit/?h=drm-next-3.17&id=1490434f0da63afc6006411c8829c6a7935a4e7e
help?

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https://bugs.freedesktop.org/show_bug.cgi?id=82588

--- Comment #4 from Mike Lothian <mike@fireburn.co.uk> ---
Created attachment 104605
  --> https://bugs.freedesktop.org/attachment.cgi?id=104605&action=edit
Dmesg Revert

It made no difference

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https://bugs.freedesktop.org/show_bug.cgi?id=82588

--- Comment #5 from Michel Dänzer <michel@daenzer.net> ---
If reverting both that commit and
http://cgit.freedesktop.org/~agd5f/linux/commit/?h=drm-next-3.17&id=810b73d1909298b67db5c7c047ed99b487ff7341
doesn't help either, can you bisect?

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https://bugs.freedesktop.org/show_bug.cgi?id=82588

--- Comment #6 from jospezial <jospezial@gmx.de> ---
Created attachment 105305
  --> https://bugs.freedesktop.org/attachment.cgi?id=105305&action=edit
dmesg of linux-3.17_rc2

This do I get on a Gentoo linux with xf86-video-ati-7.4.0 since linux-3.17_rc1.
X starts but GPU acceleration is disabled.

[    6.787592] [drm] Initialized drm 1.1.0 20060810
[    7.007890] [drm] radeon kernel modesetting enabled.
[    7.008441] [drm] initializing kernel modesetting (RS740 0x1002:0x796E
0x105B:0x0E13).
[    7.008456] [drm] register mmio base: 0xFEAF0000
[    7.008457] [drm] register mmio size: 65536
[    7.009087] ATOM BIOS: ATI
[    7.009102] radeon 0000:01:05.0: VRAM: 128M 0x0000000038000000 -
0x000000003FFFFFFF (128M used)
[    7.009104] radeon 0000:01:05.0: GTT: 512M 0x0000000040000000 -
0x000000005FFFFFFF
[    7.009117] [drm] Detected VRAM RAM=128M, BAR=128M
[    7.009118] [drm] RAM width 128bits DDR
[    7.009204] [TTM] Zone  kernel: Available graphics memory: 443784 kiB
[    7.009206] [TTM] Initializing pool allocator
[    7.009212] [TTM] Initializing DMA pool allocator
[    7.009235] [drm] radeon: 128M of VRAM memory ready
[    7.009236] [drm] radeon: 512M of GTT memory ready.
[    7.009251] [drm] GART: num cpu pages 131072, num gpu pages 131072
[    7.025657] [drm] radeon: 1 quad pipes, 1 z pipes initialized.
[    7.025670] [drm] PCIE GART of 512M enabled (table at 0x0000000032F00000).
[    7.025726] radeon 0000:01:05.0: WB enabled
[    7.025730] radeon 0000:01:05.0: fence driver on ring 0 use gpu addr
0x0000000040000000 and cpu addr 0xffff880032ea5000
[    7.025733] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[    7.025734] [drm] Driver supports precise vblank timestamp query.
[    7.025744] [drm] radeon: irq initialized.
[    7.025753] [drm] Loading RS690/RS740 Microcode
[    7.071137] [drm] radeon: ring at 0x0000000040001000
[    7.228868] [drm:r100_ring_test] *ERROR* radeon: ring test failed
(scratch(0x15E4)=0xCAFEDEAD)
[    7.228875] [drm:r100_cp_init] *ERROR* radeon: cp isn't working (-22).
[    7.228883] radeon 0000:01:05.0: failed initializing CP (-22).
[    7.228888] radeon 0000:01:05.0: Disabling GPU acceleration
[    7.375499] [drm:r100_cp_fini] *ERROR* Wait for CP idle timeout, shutting
down CP.
[    7.521222] Failed to wait GUI idle while programming pipes. Bad things
might happen.
[    7.521467] [drm] radeon: cp finalized

With linux-3.16.1 it works.
lspci:
01:05.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] RS740
[Radeon 2100]

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https://bugs.freedesktop.org/show_bug.cgi?id=82588

--- Comment #7 from jospezial <jospezial@gmx.de> ---
Created attachment 105306
  --> https://bugs.freedesktop.org/attachment.cgi?id=105306&action=edit
Xorg.log

some messages from Xorg.log:

[    24.729] (--) RADEON(0): Chipset: "ATI RS740" (ChipID = 0x796e)
[    24.729] (II) RADEON(0): GPU accel disabled or not working, using shadowfb
for KMS

[    24.869] (WW) RADEON(0): Direct rendering disabled
[    24.869] (II) RADEON(0): Acceleration disabled

[    24.871] (WW) RADEON(0): Option "AccelMethod" is not used

[    24.879] (II) AIGLX: Screen 0 is not DRI2 capable
[    24.879] (EE) AIGLX: reverting to software rendering
[    25.578] (II) AIGLX: Loaded and initialized swrast
[    25.578] (II) GLX: Initialized DRISWRAST GL provider for screen 0

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https://bugs.freedesktop.org/show_bug.cgi?id=82588

--- Comment #8 from Alex Deucher <agd5f@yahoo.com> ---
(In reply to comment #6)
> With linux-3.16.1 it works.
> lspci:
> 01:05.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI]
> RS740 [Radeon 2100]

I don't think this is related to the original report since it's a different
chip, but it would be nice if both you and Mike could bisect.

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https://bugs.freedesktop.org/show_bug.cgi?id=82588

--- Comment #9 from jospezial <jospezial@gmx.de> ---
Reverting these two patches did not help. Tested with 3.17.0-rc3 .

Btw, reverting the second patch was not so easy.

radeon_ring.c was splitted up and the patch had to be applied to radeon_ib.c .

the first patch has been reverted here:
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/drivers/gpu/drm/radeon?id=b738ca5d68e4051c86e32f46f67a69f3bb9cee5e

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https://bugs.freedesktop.org/show_bug.cgi?id=82588

--- Comment #10 from Dieter Nützel <Dieter@nuetzel-hh.de> ---
Please have a look, here:

https://bugs.freedesktop.org/show_bug.cgi?id=83616

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https://bugs.freedesktop.org/show_bug.cgi?id=82588

--- Comment #11 from jospezial <jospezial@gmx.de> ---
(In reply to comment #10)
> Please have a look, here:
> 
> https://bugs.freedesktop.org/show_bug.cgi?id=83616

For me patch https://bugs.freedesktop.org/attachment.cgi?id=105904 does not
help.
But I think r600.c is not used for my chip.
It is r100_ring_test that fails.
I'm a bit confused, which files are related to my
RS740 [Radeon 2100] (onboard graphic from 740G chipset)

I have to find out, how I can debug that failing ring test and to see, why it
fails.

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https://bugs.freedesktop.org/show_bug.cgi?id=82588

--- Comment #12 from Mike Lothian <mike@fireburn.co.uk> ---
Created attachment 106218
  --> https://bugs.freedesktop.org/attachment.cgi?id=106218&action=edit
Dmesg Linus's Tip

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https://bugs.freedesktop.org/show_bug.cgi?id=82588

--- Comment #13 from Mike Lothian <mike@fireburn.co.uk> ---
Linus's tree still fails to start X - I've attached the latest output that
shows some drm errors

I can't get the drm-next tree to boot at all now

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https://bugs.freedesktop.org/show_bug.cgi?id=82588

--- Comment #14 from Alex Deucher <agd5f@yahoo.com> ---
(In reply to comment #11)
> (In reply to comment #10)
> > Please have a look, here:
> > 
> > https://bugs.freedesktop.org/show_bug.cgi?id=83616
> 
> For me patch https://bugs.freedesktop.org/attachment.cgi?id=105904 does not
> help.
> But I think r600.c is not used for my chip.
> It is r100_ring_test that fails.
> I'm a bit confused, which files are related to my
> RS740 [Radeon 2100] (onboard graphic from 740G chipset)

As I said before in comment 8, I don't think your issue is the same as Mike's
since your chips are very different generations.  It could be nice if one of
you could bisect.

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https://bugs.freedesktop.org/show_bug.cgi?id=82588

--- Comment #15 from Mike Lothian <mike@fireburn.co.uk> ---
I'm bisecting now

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https://bugs.freedesktop.org/show_bug.cgi?id=82588

--- Comment #16 from Mike Lothian <mike@fireburn.co.uk> ---
This looks bad:

f2c6b0f452c3804496f55655fda28c2809e1a58b is the first bad commit
commit f2c6b0f452c3804496f55655fda28c2809e1a58b
Author: Alex Deucher <alexander.deucher@amd.com>
Date:   Wed Jun 25 19:32:36 2014 -0400

    drm/radeon/cik: Add support for new ucode format (v5)

    This adds CIK support for the new ucode format.

    v2: add size validation, integrate debug info
    v3: add support for MEC2 on KV
    v4: fix typos
    v4: update to latest format

    Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

:040000 040000 9d67f55d30562a528f15cd21ae4bde4598688525
6e1c473d75fb7bc7598872f9e535c7a074d1fcfd M      drivers

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--- Comment #17 from Mike Lothian <mike@fireburn.co.uk> ---
Created attachment 106226
  --> https://bugs.freedesktop.org/attachment.cgi?id=106226&action=edit
Firmware sha1sums

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https://bugs.freedesktop.org/show_bug.cgi?id=82588

Mike Lothian <mike@fireburn.co.uk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |INVALID

--- Comment #18 from Mike Lothian <mike@fireburn.co.uk> ---
That's the issue - it seems there was an issue with the firmwares I downloaded

Isn't there new checking in the code to make sure the firmwares are correct?

Now running 3.16-rc5 with no issues

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--- Comment #19 from jospezial <jospezial@gmx.de> ---
(In reply to comment #18)
> That's the issue - it seems there was an issue with the firmwares I
> downloaded
> 
> Isn't there new checking in the code to make sure the firmwares are correct?
> 
> Now running 3.16-rc5 with no issues

You wanted to say 3.17-rc5?

So is it bad to use 3.16.2 and 3.17-rc5 because every kernel installs his
firmware files to the same directory and overwrites the other one's?

The kernel installs the firmware with most of the filenames of r(v)+numbers in
/lib/firmware/radeon/ .

And the gentoo package "x11-drivers/radeon-ucode-20140823" installs the files
with the chip codenames and some numbered files which are not installed by the
kernel in the same dir.

So much from me now for more confusion.

You marked that bug as resolved/invalid.

Would you please tell me in detail, how you fixed this? I'd like to reopen this
bug.
Reverting "drm/radeon/cik: Add support for new ucode format (v5)" did not help
me.

I know I have to bisect ... But this is new stuff for me.

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--- Comment #20 from Alex Deucher <agd5f@yahoo.com> ---
(In reply to comment #19)
> 
> So is it bad to use 3.16.2 and 3.17-rc5 because every kernel installs his
> firmware files to the same directory and overwrites the other one's?
> 
> The kernel installs the firmware with most of the filenames of r(v)+numbers
> in /lib/firmware/radeon/ .
> 
> And the gentoo package "x11-drivers/radeon-ucode-20140823" installs the
> files with the chip codenames and some numbered files which are not
> installed by the kernel in the same dir.
> 
> So much from me now for more confusion.

The firmware is not shipped with the kernel.  It's packaged separately.  The
firmware for your card has not changed in years so it's not likely to the same
issue.

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--- Comment #21 from Mike Lothian <mike@fireburn.co.uk> ---
Yes 3.17-rc5

I downloaded the firmware files when they were first made available back when
drm-next first added the support for the new firmware at the end of the 3.16
cycle

Those files must have been damaged - installing the latest linux-firmware (or
radeon-ucode) fixed this for me

You are probably suffering from a different issue and should raise a separate
bug

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[Bug 82588] X fails to start with linus-tip or drm-next

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https://bugs.freedesktop.org/show_bug.cgi?id=82588

jospezial <jospezial@gmx.de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |REOPENED
         Resolution|INVALID                     |---

--- Comment #22 from jospezial <jospezial@gmx.de> ---
This night I spend a few hours for bisecting between v3.16 and v3.17-rc1.

This is my result:

77497f2735ad6e29c55475e15e9790dbfa2c2ef8 is the first bad commit
commit 77497f2735ad6e29c55475e15e9790dbfa2c2ef8
Author: Michel Dänzer <michel.daenzer@amd.com>
Date:   Thu Jul 17 19:01:07 2014 +0900

    drm/radeon: Pass GART page flags to radeon_gart_set_page() explicitly

    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>

:040000 040000 7da27ed892f4ea02ef8e758eda7165ce336d19cc
369d9e0ff185b6e6c9614de87296fc60072f56b9 M      drivers
:040000 040000 c3203bef4546e1781ba218fa5232c12cd2a883a2
b655879d0fefad7b591333930fddfd3cc67afa8d M      include

Will try reverting that patch.

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[Bug 82588] X fails to start with linus-tip or drm-next

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https://bugs.freedesktop.org/show_bug.cgi?id=82588

--- Comment #23 from Dieter Nützel <Dieter@nuetzel-hh.de> ---
(In reply to comment #22)
> This night I spend a few hours for bisecting between v3.16 and v3.17-rc1.
> 
> This is my result:
> 
> 77497f2735ad6e29c55475e15e9790dbfa2c2ef8 is the first bad commit
> commit 77497f2735ad6e29c55475e15e9790dbfa2c2ef8
> Author: Michel Dänzer <michel.daenzer@amd.com>
> Date:   Thu Jul 17 19:01:07 2014 +0900
> 
>     drm/radeon: Pass GART page flags to radeon_gart_set_page() explicitly
>     
>     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>
> 
> :040000 040000 7da27ed892f4ea02ef8e758eda7165ce336d19cc
> 369d9e0ff185b6e6c9614de87296fc60072f56b9 M      drivers
> :040000 040000 c3203bef4546e1781ba218fa5232c12cd2a883a2
> b655879d0fefad7b591333930fddfd3cc67afa8d M      include
> 
> Will try reverting that patch.

Tried that, but 'git revert 77497f2' failed.
Tomorrow I'l try it by hand.

Christian König and I hunting for this:

[   11.264803] radeon 0000:01:00.0: (-1) pin WB bo failed
[   11.264814] radeon 0000:01:00.0: f6107800 unpin not necessary
[   11.264834] radeon 0000:01:00.0: disabling GPU acceleration
[   11.312639] radeon 0000:01:00.0: f2f68000 unpin not necessary
[   11.367419] [TTM] Finalizing pool allocator
[   11.367541] [TTM] Zone  kernel: Used memory at exit: 0 kiB
[   11.367547] [TTM] Zone highmem: Used memory at exit: 0 kiB
[   11.367551] [drm] radeon: ttm finalized
[   11.367556] [drm] Forcing AGP to PCIE mode

My own 'git bisect' pointed to 'drm/radeon: Remove radeon_gart_restore()'
One commit before yours.

author    Michel Dänzer <michel.daenzer@amd.com>    2014-07-09 18:15:42 (GMT)
committer    Alex Deucher <alexander.deucher@amd.com>    2014-08-05 12:53:31
(GMT)
commit    a3eb06dbca08e3fdad7039021ae03b46b215f22a (patch)
tree    2086d5a660f3581f0b7fd617d41241873ff07ce8
parent    380670aebfca998bb67b9cf05fc7f28ebeac4b18 (diff)
drm/radeon: Remove radeon_gart_restore()
Doesn't seem necessary, the GART table memory should be persistent.

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 82588] [drm:r100_ring_test] *ERROR* radeon: ring test failed - since linux-3.17_rc1 on RS690/RS740 [Radeon 2100]

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https://bugs.freedesktop.org/show_bug.cgi?id=82588

jospezial <jospezial@gmx.de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Hardware|Other                       |x86-64 (AMD64)
                 OS|All                         |Linux (All)
            Summary|X fails to start with       |[drm:r100_ring_test]
                   |linus-tip or drm-next       |*ERROR* radeon: ring test
                   |                            |failed - since
                   |                            |linux-3.17_rc1 on
                   |                            |RS690/RS740 [Radeon 2100]

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[Bug 82588] [drm:r100_ring_test] *ERROR* radeon: ring test failed - since linux-3.17_rc1 on RS690/RS740 [Radeon 2100]

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https://bugs.freedesktop.org/show_bug.cgi?id=82588

Christian König <deathsimple@vodafone.de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|REOPENED                    |ASSIGNED

--- Comment #24 from Christian König <deathsimple@vodafone.de> ---
The good news is that I can reproduce the problem, so I can take a look as soon
as I have time. The bad news is that I currently don't have time right now.

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[Bug 82588] X fails to start with linus-tip or drm-next

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https://bugs.freedesktop.org/show_bug.cgi?id=82588

Michel Dänzer <michel@daenzer.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|---                         |FIXED
            Summary|[drm:r100_ring_test]        |X fails to start with
                   |*ERROR* radeon: ring test   |linus-tip or drm-next
                   |failed - since              |
                   |linux-3.17_rc1 on           |
                   |RS690/RS740 [Radeon 2100]   |

--- Comment #25 from Michel Dänzer <michel@daenzer.net> ---
The issues of the reporter of this bug have been fixed.

Dieter and jospezial, please stop hijacking this report and file your own.

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[Bug 82588] X fails to start with linus-tip or drm-next

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https://bugs.freedesktop.org/show_bug.cgi?id=82588

--- Comment #26 from jospezial <jospezial@gmx.de> ---
My bug now at https://bugs.freedesktop.org/show_bug.cgi?id=83996

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