[Bug 88411] [HSW] stuck on render ring (screen is repeatedly freezing)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=88411

--- Comment #12 from Jan Viktorin <iviktorin at fit.vutbr.cz> ---
Yes. With 4.4.31 LTS it does not happen so often. With 4.8.7, it is nearly
unusable for me.

On both kernels, Chromium usually seems to be frozen but when it redraws it
seems to work.

Linux version 4.8.7-1-ARCH

Nov 16 15:22:16 pcviktorin kernel: [drm] GPU HANG: ecode 7:0:0x85dffffd, in
Xorg [498], reason: Hang on render ring, action: reset
Nov 16 15:22:16 pcviktorin kernel: [drm] GPU hangs can indicate a bug anywhere
in the entire gfx stack, including userspace.
Nov 16 15:22:16 pcviktorin kernel: [drm] Please file a _new_ bug report on
bugs.freedesktop.org against DRI -> DRM/Intel
Nov 16 15:22:16 pcviktorin kernel: [drm] drm/i915 developers can then reassign
to the right component if it's not a kernel issue.
Nov 16 15:22:16 pcviktorin kernel: [drm] The gpu crash dump is required to
analyze gpu hangs, so please always attach it.
Nov 16 15:22:16 pcviktorin kernel: [drm] GPU crash dump saved to
/sys/class/drm/card0/error
Nov 16 15:22:16 pcviktorin kernel: drm/i915: Resetting chip after gpu hang
Nov 16 15:22:39 pcviktorin kernel: drm/i915: Resetting chip after gpu hang
Nov 16 15:22:53 pcviktorin kernel: drm/i915: Resetting chip after gpu hang

Linux version 4.4.31-1-lts

Nov 18 14:30:18 pcviktorin kernel: [drm] stuck on render ring
Nov 18 14:30:18 pcviktorin kernel: [drm] GPU HANG: ecode 7:0:0x85dffffd, in
Xorg [342], reason: Ring hung, action: reset
Nov 18 14:30:18 pcviktorin kernel: [drm] GPU hangs can indicate a bug anywhere
in the entire gfx stack, including userspace.
Nov 18 14:30:18 pcviktorin kernel: [drm] Please file a _new_ bug report on
bugs.freedesktop.org against DRI -> DRM/Intel
Nov 18 14:30:18 pcviktorin kernel: [drm] drm/i915 developers can then reassign
to the right component if it's not a kernel issue.
Nov 18 14:30:18 pcviktorin kernel: [drm] The gpu crash dump is required to
analyze gpu hangs, so please always attach it.
Nov 18 14:30:18 pcviktorin kernel: [drm] GPU crash dump saved to
/sys/class/drm/card0/error
Nov 18 14:30:18 pcviktorin kernel: drm/i915: Resetting chip after gpu hang
...
Nov 18 17:02:12 pcviktorin kernel: [drm] GPU HANG: ecode 7:0:0x85dffffc, in
chromium [23742], reason: Ring hung, action: reset
Nov 18 17:02:12 pcviktorin kernel: drm/i915: Resetting chip after gpu hang
...
Nov 18 17:39:02 pcviktorin kernel: [drm] GPU HANG: ecode 7:0:0x85dffffd, in
Xorg [342], reason: Ring hung, action: reset
Nov 18 17:39:02 pcviktorin kernel: drm/i915: Resetting chip after gpu hang

Sorry for such short report, I am connected remotely to that computer right
now. When I am less busy, I can provide more details from both kernels if you
are interested.

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