[Bug 105305] New: GPU HANG: ecode 9:0:0x85dfbeff, in Xorg [882], reason: Hang on rcs0, action: reset

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=105305

            Bug ID: 105305
           Summary: GPU HANG: ecode 9:0:0x85dfbeff, in Xorg [882], reason:
                    Hang on rcs0, action: reset
           Product: DRI
           Version: XOrg git
          Hardware: x86 (IA32)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: sjoerd at acm.org
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 137714
  --> https://bugs.freedesktop.org/attachment.cgi?id=137714&action=edit
GPU crash dump from /sys/class/drm/card0/error

Some pertinent lines from journalctl:

Mar 01 09:49:30 HOSTNAME kernel: [drm] GPU HANG: ecode 9:0:0x85dfbeff, in Xorg
[882], reason: Hang on rcs0, action: reset
Mar 01 09:49:30 HOSTNAME kernel: [drm] GPU hangs can indicate a bug anywhere in
the entire gfx stack, including userspace.
Mar 01 09:49:30 HOSTNAME kernel: [drm] Please file a _new_ bug report on
bugs.freedesktop.org against DRI -> DRM/Intel
Mar 01 09:49:30 HOSTNAME kernel: [drm] drm/i915 developers can then reassign to
the right component if it's not a kernel issue.
Mar 01 09:49:30 HOSTNAME kernel: [drm] The gpu crash dump is required to
analyze gpu hangs, so please always attach it.
Mar 01 09:49:30 HOSTNAME kernel: [drm] GPU crash dump saved to
/sys/class/drm/card0/error
Mar 01 09:49:30 HOSTNAME kernel: i915 0000:00:02.0: Resetting rcs0 after gpu
hang
Mar 01 09:49:38 HOSTNAME kernel: i915 0000:00:02.0: Resetting rcs0 after gpu
hang
Mar 01 09:49:46 HOSTNAME kernel: i915 0000:00:02.0: Resetting rcs0 after gpu
hang
Mar 01 09:49:54 HOSTNAME kernel: i915 0000:00:02.0: Resetting rcs0 after gpu
hang
Mar 01 09:50:02 HOSTNAME kernel: i915 0000:00:02.0: Resetting rcs0 after gpu
hang
Mar 01 09:50:02 HOSTNAME at-spi-bus-launcher[1594]: XIO:  fatal IO error 11
(Resource temporarily unavailable) on X server ":0"
Mar 01 09:50:02 HOSTNAME at-spi-bus-launcher[1594]:       after 110868 requests
(110868 known processed) with 0 events remaining.
Mar 01 09:50:02 HOSTNAME unknown[1567]: xfce4-notifyd: Fatal IO error 11
(Resource temporarily unavailable) on X server :0.

After this several more programs report failures and crashes, the screen went
black and came back with the login screen.  Last entry before these lines was
about a half hour earlier.

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