[Bug 100167] New: nouveau sometimes doesn’t resume properly from suspend

[Bug 100167] New: nouveau sometimes doesn’t resume properly from suspend

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=100167

            Bug ID: 100167
           Summary: nouveau sometimes doesn’t resume properly from suspend
           Product: xorg
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
          Assignee: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
          Reporter: silverunicorn2011-o+MxOtu4lMCHXe+LvDLADg@public.gmane.org
        QA Contact: xorg-team-go0+a7rfsptAfugRpC6u6w@public.gmane.org

Created attachment 130172
  --> https://bugs.freedesktop.org/attachment.cgi?id=130172&action=edit
dmesg output

It happens after resume; sometimes it does not happen. It seems to be more
likely if RAM is full, although I have enough swap space.

The symptom is that X applications refuse to start, hanging in `drm_stub_open`
(WCHAN column in `top`; status is `D` — “uninterruptible sleep”). I can’t even
`kill -9` them: the command succeeds but nothing happens.

The first app to hang seems to be the screen locker; it locks the session but
fails to present anything on the screen, so I have to go to VT2 and use
`loginctl`. But VT switch becomes unreliable: switching from X to console
succeeds at second attempt (while switching back seems to succeed always).

Also I just found one app hanging in `nouveau_drm_preclose` (`D` too),
consuming zero RAM. (pid=6455, noticed in the log)

It’s strange but already running applications usually continue to work
properly.

I’ve noticed several Oopses in the dmesg output, hope that data will be
helpful.

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[Bug 100167] nouveau sometimes doesn’t resume properly from suspend

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=100167

--- Comment #1 from silverunicorn2011-o+MxOtu4lMCHXe+LvDLADg@public.gmane.org ---
Created attachment 130173
  --> https://bugs.freedesktop.org/attachment.cgi?id=130173&action=edit
Kernel module list (as returned by lsmod)

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[Bug 100167] nouveau sometimes doesn’t resume properly from suspend

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=100167

--- Comment #2 from silverunicorn2011-o+MxOtu4lMCHXe+LvDLADg@public.gmane.org ---
Created attachment 130174
  --> https://bugs.freedesktop.org/attachment.cgi?id=130174&action=edit
PCI device list (lspci -v)

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[Bug 100167] nouveau sometimes doesn’t resume properly from suspend

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=100167

--- Comment #3 from silverunicorn2011-o+MxOtu4lMCHXe+LvDLADg@public.gmane.org ---
System: Parabola GNU/Linux (≈Arch)

Kernel: linux-libre 4.9.11_gnu-1
Linux version 4.9.11-gnu-1 (builduser@emulatorman) (gcc version 6.3.1 20170109
(GCC) ) #1 SMP PREEMPT Sun Feb 19 18:36:28 UYT 2017

Nouveau: xf86-video-nouveau 1.0.13-3

Xorg: xorg-server 1.19.2-1

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[Bug 100167] nouveau sometimes doesn’t resume properly from suspend

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=100167

silverunicorn2011-o+MxOtu4lMCHXe+LvDLADg@public.gmane.org changed:

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

--- Comment #4 from silverunicorn2011-o+MxOtu4lMCHXe+LvDLADg@public.gmane.org ---
Seems to be fixed in xf86-video-nouveau 1.0.14-1, thanks.

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