[Bug 99286] [SNB] GPU HANG: ecode 6:0:0x2a8d8d94, in kscreenlocker_g [20793], reason: Hang on render ring, action: reset

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Fri Jun 30 13:57:32 UTC 2017


https://bugs.freedesktop.org/show_bug.cgi?id=99286

--- Comment #6 from Alexandre <alexandre.nunes at gmail.com> ---
I had to disable DRI 3 and stick with DRI 2. This made the hang go away.

BTW, I installed ubuntu 17.04 vanilla and it also have the same problem with
every kernel I tested (from 4.9 to 4.11, both vanilla and ubuntu), with both
xserver-xorg-video-intel and builtin modeset drivers. I settled with
xserver-xorg-video-intel with sna and tearfree on and dri 2, didn't try modeset
since then because "it works for me as is". 

It's actually worse on ubuntu because I can reproduce almost every resume, all
I have to do is use DRI 3 and suspend. The system comes back from resume, but
when I enter my password to log back in, it freezes. I can't log back in to see
if there's a crash log or something.

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