[Bug 101780] New: GPU HANG: ecode 9:0:0x85dffffb, in Xorg [10945], reason: Hang on render ring, action: reset

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=101780

            Bug ID: 101780
           Summary: GPU HANG: ecode 9:0:0x85dffffb, in Xorg [10945],
                    reason: Hang on render ring, action: reset
           Product: DRI
           Version: XOrg git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: nalimilan at club.fr
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 132661
  --> https://bugs.freedesktop.org/attachment.cgi?id=132661&action=edit
/sys/class/drm/card0/error

I get this crash from time to time, without any clear way of reproducing it.
I've seen it twice in a row today. I think it only happens when connecting an
external monitor via a docking station (and turning off the built-in display).

My GPU is an Intel® HD Graphics 520 (Skylake GT2):
VGA compatible controller [0300]: Intel Corporation HD Graphics 520 [8086:1916]
(rev 07)

This is on Fedora 25 with kernel 4.11.6-201 and xorg-x11-drv-intel
2.99.917-26.20160929.


juil. 13 14:33:47 mob01772 /usr/libexec/gdm-x-session[10943]:
intel_do_flush_locked failed: Input/output error
[gdm-x-session modeset information]
juil. 13 14:33:47 mob01772 kernel: [drm] GuC firmware load skipped
juil. 13 14:33:47 mob01772 kernel: [drm] RC6 on
juil. 13 14:33:47 mob01772 kernel: drm/i915: Resetting chip after gpu hang
juil. 13 14:33:39 mob01772 kernel: [drm] GuC firmware load skipped
juil. 13 14:33:39 mob01772 kernel: [drm] RC6 on
juil. 13 14:33:39 mob01772 kernel: drm/i915: Resetting chip after gpu hang
juil. 13 14:33:31 mob01772 kernel: [drm] GuC firmware load skipped
juil. 13 14:33:31 mob01772 kernel: [drm] RC6 on
juil. 13 14:33:31 mob01772 kernel: drm/i915: Resetting chip after gpu hang
[gdm-x-session modeset information]
juil. 13 14:33:19 mob01772 kernel: [drm] GuC firmware load skipped
juil. 13 14:33:19 mob01772 kernel: [drm] RC6 on
juil. 13 14:33:19 mob01772 kernel: drm/i915: Resetting chip after gpu hang
juil. 13 14:33:11 mob01772 kernel: [drm] GuC firmware load skipped
juil. 13 14:33:11 mob01772 kernel: [drm] RC6 on
juil. 13 14:33:11 mob01772 kernel: drm/i915: Resetting chip after gpu hang
juil. 13 14:33:11 mob01772 kernel: [drm] GPU crash dump saved to
/sys/class/drm/card0/error
juil. 13 14:33:11 mob01772 kernel: [drm] The gpu crash dump is required to
analyze gpu hangs, so please always attach it.
juil. 13 14:33:11 mob01772 kernel: [drm] drm/i915 developers can then reassign
to the right component if it's not a kernel issue.
juil. 13 14:33:11 mob01772 kernel: [drm] Please file a _new_ bug report on
bugs.freedesktop.org against DRI -> DRM/Intel
juil. 13 14:33:11 mob01772 kernel: [drm] GPU hangs can indicate a bug anywhere
in the entire gfx stack, including userspace.
juil. 13 14:33:11 mob01772 kernel: [drm] GPU HANG: ecode 9:0:0x85dffffb, in
Xorg [10945], reason: Hang on render ring, action: reset

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