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

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ@public.gmane.org]

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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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