[Nouveau] [Bug 85465] New: X loses resources after suspend/resume

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=85465

            Bug ID: 85465
           Summary: X loses resources after suspend/resume
           Product: xorg
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
          Assignee: nouveau at lists.freedesktop.org
          Reporter: barkalow at iabervon.org
        QA Contact: xorg-team at lists.x.org

After suspending to ram and resuming, many things appear blank, and dmesg has
errors. In particular: icons for iconified windows, all non-core text (xterm
with misc-fixed still works, but web browsers have nothing), images in web
pages, the contents of windows (until they get redrawn). Restarting the X
server fixes it.

hardware: NVIDIA Corporation GF116M [GeForce GT 560M] (rev a1)

versions:
 xorg: 1.15.0
 nouveau: compiled for 1.15.0, module version = 1.0.10
 libdrm: 2.4.52
 mesa: 10.0.4
 kernel: 3.14.19

I can try newer versions of particular things if it would be helpful, although
I don't know which component would be relevant and I haven't seen any similar
reports. I can also apply patches for more debugging info.

The errors are a lot of lines like:

[24060.452246] nouveau E[  PGRAPH][0000:01:00.0] TRAP ch 2 [0x005fba0000
X[2287]]
[24060.452254] nouveau E[  PGRAPH][0000:01:00.0] SHADER 0xa004021e

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