Created attachment 127796 [details]
dmesg with debug output
From time to time (once every 2 hours), during the work (key press??), display blacks for ~2seconds. After that, everything restores an is fine again.
Once that happens, dmesg says:
*ERROR* CPU pipe B FIFO underrun
Dmesg with debug output is attached.
I tried to run intel-drm kernel but I was consistently getting "double free" error during boot-up.
Is this still issue?
Seems very similar to 97264 (in my case, it's just happening much more frequently, maybe due to a greater count of pixels).
If it's the same bug, yes, it's still present.
I don't see this issue anymore on 4.8.15-200.fc24.x86_64
Lucky you ;)
Still have the issue reported at 97264 on 4.10.0-041000rc3-generic
With latest changes on atomic/WM work can you still reproduce on drm-tip?
I have been playing with drm-tip for an hour: so far so good! :)
Cedric, any updates, good now?
Yes, no blanking anymore ! :-)
Didn't try any newer kernel since though.
I guess that it's going to be merged in stock 4.12 ?
Still get occasional lockups (mouse ultra slow to move/huge lag, everything else frozen), but I guess that it's not related to this bug.
(In reply to Cedric M from comment #8)
> Yes, no blanking anymore ! :-)
> Didn't try any newer kernel since though.
> I guess that it's going to be merged in stock 4.12 ?
> Still get occasional lockups (mouse ultra slow to move/huge lag, everything
> else frozen), but I guess that it's not related to this bug.
> Thanks !
Thanks for your feedback. Then closing as fixed