[Bug 77674] New: "failed to read DPCD" on wake up with external monitor

[Bug 77674] New: "failed to read DPCD" on wake up with external monitor

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=77674

          Priority: medium
            Bug ID: 77674
          Assignee: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
           Summary: "failed to read DPCD" on wake up with external monitor
        QA Contact: xorg-team-go0+a7rfsptAfugRpC6u6w@public.gmane.org
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: dlazerka-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: unspecified
         Component: Driver/nouveau
           Product: xorg

Hi folks,
I have:

01:00.0 VGA compatible controller [0300]: NVIDIA Corporation GK107GLM [Quadro
K1000M] [10de:0ffc] (rev a1)
(one year old thinkpad laptop)

and I'm unable to wake up. Well, not be, but my "Linux 3.11-2-amd64 #1 SMP
Debian 3.11.8-1 (2013-11-13) x86_64 GNU/Linux" (Mint, Debian Edition,
"testing").
Optimus is disabled in BIOS (only discrete is used). On waking up I see four
lines:

[ 8618.926501] mei_me 0000:00:16.0: suspend
[ 8623.309085] nouveau E[  PDISP][000:01:00.0] DP:0006:0f48: failed to read
DPCD
[ 8625.220708] dpm_run_callback(): usb_dev_resume+0x0/0x10 [usbcore] returns
-32
[ 8625.220712] PM: Device 4-1.8.1.1.1 failed to resume async: error -32


Reproducible only with external monitors (via dock station).


Sorry, not sure how to get Nouveau version.
$ apt-cache showpkg xserver-xorg-video-nouveau
...
Dependencies:
1:1.0.10-1 - libc6 (2 2.15) libdrm-nouveau2 (2 2.4.38) libdrm2 (2 2.4.25)
libudev1 (2 183) xorg-video-abi-14 (0 (null)) xserver-xorg-core (2
2:1.13.99.901) libgl1-mesa-dri (2 9.0) xserver-xorg-video-nouveau:i386 (0
(null)) " if that helps.

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[Bug 77674] "failed to read DPCD" on wake up with external monitor

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https://bugs.freedesktop.org/show_bug.cgi?id=77674

--- Comment #1 from Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> ---
(In reply to comment #0)
> Hi folks,
> I have:
> 
> 01:00.0 VGA compatible controller [0300]: NVIDIA Corporation GK107GLM
> [Quadro K1000M] [10de:0ffc] (rev a1)
> (one year old thinkpad laptop)
> 
> and I'm unable to wake up. Well, not be, but my "Linux 3.11-2-amd64 #1 SMP
> Debian 3.11.8-1 (2013-11-13) x86_64 GNU/Linux" (Mint, Debian Edition,
> "testing").
> Optimus is disabled in BIOS (only discrete is used). On waking up I see four
> lines:
> 
> [ 8618.926501] mei_me 0000:00:16.0: suspend
> [ 8623.309085] nouveau E[  PDISP][000:01:00.0] DP:0006:0f48: failed to read
> DPCD
> [ 8625.220708] dpm_run_callback(): usb_dev_resume+0x0/0x10 [usbcore] returns
> -32
> [ 8625.220712] PM: Device 4-1.8.1.1.1 failed to resume async: error -32
> 
> 
> Reproducible only with external monitors (via dock station).

Could you confirm that this still happens with the latest kernel (3.14.1)? If
it does, can you grab dmesg when you boot with

nouveau.debug=VBIOS=trace,PDISP=trace drm.debug=0xe

(including the suspend/resume bits).

> 
> 
> Sorry, not sure how to get Nouveau version.
> $ apt-cache showpkg xserver-xorg-video-nouveau
> ...
> Dependencies:
> 1:1.0.10-1 - libc6 (2 2.15)
> libdrm-nouveau2 (2 2.4.38)
> libdrm2 (2 2.4.25)
> libudev1 (2 183)
> xorg-video-abi-14 (0 (null))
> xserver-xorg-core (2 2:1.13.99.901)
> libgl1-mesa-dri (2 9.0)
> xserver-xorg-video-nouveau:i386 (0 (null))
> if that helps.

Not related to your issues, but there have been a lot of 3d driver improvements
since mesa 9.0... you might want to upgrade. 10.1 has been out for months now,
and 10.1.1 just got released. And if you want optimus to work, get xorg 1.14.3
or later... should give you much better battery life.

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[Bug 77674] [NVE7] "failed to read DPCD" on wake up with external monitor

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=77674

Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|"failed to read DPCD" on    |[NVE7] "failed to read
                   |wake up with external       |DPCD" on wake up with
                   |monitor                     |external monitor

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[Bug 77674] [NVE7] "failed to read DPCD" on wake up with external monitor

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https://bugs.freedesktop.org/show_bug.cgi?id=77674

--- Comment #2 from Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> ---
There is a substantial DP rework bound for 3.16. Can you give
http://cgit.freedesktop.org/~airlied/linux/log/?h=drm-next a shot?

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[Bug 77674] [NVE7] "failed to read DPCD" on wake up with external monitor

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https://bugs.freedesktop.org/show_bug.cgi?id=77674

--- Comment #3 from e.swanson+xorgbugs-5lA2vZBjcqn3oGB3hsPCZA@public.gmane.org ---
To add my two cents:

I had this same issue on Arch Linux's 3.14.5-1-ARCH, Linus's v3.15, and
linux-3.15.y from the linux-stable tree. imirkin's advice of trying out
drm-next (commit bc1dfff04a5d4064ba0db1fab13f84ab4f333d2b) seems to have fixed
it for me.

I'm using an active (USB powered) DisplayPort -> Dual Link DVI adapter to drive
a 27" 2560x1440 monitor from a Lenovo ThinkPad W530. I don't have a dock.

As another data point, drm-fixes from airlied's tree (commit
884d6147ba19640a40fb45efe64360cdf92cac27) built but did not boot for me - it
hung before starting anything on my root drive (initrd seems to have loaded
fine).

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[Bug 77674] [NVE7] "failed to read DPCD" on wake up with external monitor

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https://bugs.freedesktop.org/show_bug.cgi?id=77674

--- Comment #4 from jason leroy <jsnlry-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> ---
I am experiencing the same issue on ArchLinux. My Hardware:

 * HP EliteBook 8440p
 * VGA compatible controller: NVIDIA Corporation GT218M [NVS 3100M]

Installed software:

 * ArchLinux with all available updates
 * Kernel 3.15.1-1-ARCH
 * nouveau-dri 10.2.1-2
 * xf86-video-nouveau 1.0.10-2
 * lib32-nouveau-dri 10.2.1-3

My Log shows the following for nouveau when I suspend/resume the system:

nouveau  [     DRM] suspending display...
nouveau  [     DRM] unpinning framebuffer(s)...
nouveau  [     DRM] evicting buffers...
nouveau  [     DRM] waiting for kernel channels to go idle...
nouveau  [     DRM] suspending client object trees...
nouveau  [     DRM] suspending kernel object tree...
nouveau  [     DRM] re-enabling device...
nouveau  [     DRM] resuming kernel object tree...
nouveau  [   VBIOS][0000:01:00.0] running init tables
nouveau  [    VOLT][0000:01:00.0] GPU voltage: 850000uv
nouveau  [  PTHERM][0000:01:00.0] fan management: automatic
nouveau  [     CLK][0000:01:00.0] --: core 405 MHz shader 810 MHz memory 405
MHz
nouveau  [     DRM] resuming client object trees...
nouveau  [     DRM] resuming display...
nouveau E[   PDISP][0000:01:00.0] DP:0006:0344: failed to read DPCD
nouveau E[   PDISP][0000:01:00.0] DP:0006:0344: link training failed

In my case there is NO external display and also NO docking station. It's the
display of the laptop that remains black.

For me, long-pressing the power button is the only way out of this situation.

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[Bug 77674] [NVE7] "failed to read DPCD" on wake up with external monitor

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https://bugs.freedesktop.org/show_bug.cgi?id=77674

--- Comment #5 from Dzmitry Lazerka <dlazerka-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> ---
(In reply to comment #1)
> (In reply to comment #0)
> > Hi folks,
> > I have:
> > 
> > 01:00.0 VGA compatible controller [0300]: NVIDIA Corporation GK107GLM
> > [Quadro K1000M] [10de:0ffc] (rev a1)
> > (one year old thinkpad laptop)
> > 
> > and I'm unable to wake up. Well, not be, but my "Linux 3.11-2-amd64 #1 SMP
> > Debian 3.11.8-1 (2013-11-13) x86_64 GNU/Linux" (Mint, Debian Edition,
> > "testing").
> > Optimus is disabled in BIOS (only discrete is used). On waking up I see four
> > lines:
> > 
> > [ 8618.926501] mei_me 0000:00:16.0: suspend
> > [ 8623.309085] nouveau E[  PDISP][000:01:00.0] DP:0006:0f48: failed to read
> > DPCD
> > [ 8625.220708] dpm_run_callback(): usb_dev_resume+0x0/0x10 [usbcore] returns
> > -32
> > [ 8625.220712] PM: Device 4-1.8.1.1.1 failed to resume async: error -32
> > 
> > 
> > Reproducible only with external monitors (via dock station).
> 
> Could you confirm that this still happens with the latest kernel (3.14.1)?
> If it does, can you grab dmesg when you boot with
> 
> nouveau.debug=VBIOS=trace,PDISP=trace drm.debug=0xe
> 
> (including the suspend/resume bits).
> 

Hi Ilia, sorry for the late reply. I'll try to update my kernel (although I
switched to Nvidia drivers because I needed WebGL). Let me try the new kernel.
What config to put the "nouveau.debug=VBIOS=trace,PDISP=trace drm.debug=0xe"
line?

> > 
> > 
> > Sorry, not sure how to get Nouveau version.
> > $ apt-cache showpkg xserver-xorg-video-nouveau
> > ...
> > Dependencies:
> > 1:1.0.10-1 - libc6 (2 2.15)
> > libdrm-nouveau2 (2 2.4.38)
> > libdrm2 (2 2.4.25)
> > libudev1 (2 183)
> > xorg-video-abi-14 (0 (null))
> > xserver-xorg-core (2 2:1.13.99.901)
> > libgl1-mesa-dri (2 9.0)
> > xserver-xorg-video-nouveau:i386 (0 (null))
> > if that helps.
> 
> Not related to your issues, but there have been a lot of 3d driver
> improvements since mesa 9.0... you might want to upgrade. 10.1 has been out
> for months now, and 10.1.1 just got released. And if you want optimus to
> work, get xorg 1.14.3 or later... should give you much better battery life.

Well, that was Mint Debian Edition (based on Debian Testing), I use "apt-get
upgrade" tells me to. If I could install newer version through apt-get, that
would be cool.

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[Bug 77674] [NVE7] "failed to read DPCD" on wake up with external monitor

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--- Comment #6 from Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> ---
(In reply to comment #5)
> switched to Nvidia drivers because I needed WebGL). Let me try the new
> kernel.

Definitely give 3.16-rc2 a shot.

> What config to put the "nouveau.debug=VBIOS=trace,PDISP=trace drm.debug=0xe"
> line?

If it doesn't work, add

nouveau.debug=VBIOS=trace,PDISP=trace,I2C=trace drm.debug=0xe

to the kernel command line, and report back with the dmesg generated. Not sure
how your distro works... I use GRUB, and configure it via /boot/grub/menu.lst

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[Bug 77674] [NVE7] "failed to read DPCD" on wake up with external monitor

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https://bugs.freedesktop.org/show_bug.cgi?id=77674

--- Comment #7 from Dominique Dumont <domi.dumont-GANU6spQydw@public.gmane.org> ---
Created attachment 109656
  --> https://bugs.freedesktop.org/attachment.cgi?id=109656&action=edit
kern.log from wake up to crash

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[Bug 77674] [NVE7] "failed to read DPCD" on wake up with external monitor

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--- Comment #8 from Dominique Dumont <domi.dumont-GANU6spQydw@public.gmane.org> ---
Hello

I have a similar problem with my laptop:
01:00.0 VGA compatible controller: NVIDIA Corporation GF106GLM [Quadro 2000M]
(rev a1)
kernel: SMP Debian 3.16.7-2 (2014-11-06) x86_64 GNU/Linux

The options nouveau.debug=VBIOS=trace,PDISP=trace,I2C=trace drm.debug=0xe does
make the setup more robust, but I has a crash this morning while expanding the
screen display to an external monitor connected to a dock station.

For what it's worth, I've attached a kern.log generated with the above trace
from the wake up of the machine up to the crash.


Hope this helps

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[Bug 77674] [NVE7] "failed to read DPCD" on wake up with external monitor

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https://bugs.freedesktop.org/show_bug.cgi?id=77674

Martin Peres <martin.peres-GANU6spQydw@public.gmane.org> changed:

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

--- Comment #9 from Martin Peres <martin.peres-GANU6spQydw@public.gmane.org> ---
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