Created attachment 413955 [details]
Description of problem:
several minutes (anywhere from 5 minutes to 30 minutes) after a resume, graphics will corrupt and screen will freeze.
after the most recent incident, today, I looked in /var/log/messages for any messages right before the corruption/freeze. All I see is:
May 13 10:31:08 ichabod kernel: [drm] nouveau 0000:01:00.0: Unhandled PGRAPH_INTR - 0x00000100
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. suspend laptop
2. resume laptop
3. work on laptop, or leave running, for several minutes.
graphics corrupt and display locks up.
screen should continue to function normally
hardware from lspci:
01:00.0 VGA compatible controller: nVidia Corporation NV31 [Quadro FX Go700] (rev a1)
The machine is a Dell Precision M60
In at least one instance, I was working on the desktop after the resume, during the corruption/freeze incident, and I could still move the mouse cursor around. The mouse cursor was corrupt (sort of a pixely blob). I couldn't click on anything nor could I switch to a virtual terminal. Keyboard shortcuts didn't work, nor did mouse clicks. So the only input being accepted was mouse movement.
The fact that nouveau does resume is a huge improvement. I was never able to resume (although I could suspend) with the proprietary nVidia driver. (Under the proprietary driver when I tried to resume the screen would immediately get vertical stripes and then immediately fade/melt away to white after resume. The fans would come on full tilt and the system seemed to lock up.)
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