[Bug 104793] New: GPU CRASH - GPU HANG: ecode 9:1:0xfffffffe, reason: Hang on bcs0

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=104793

            Bug ID: 104793
           Summary: GPU CRASH - GPU HANG: ecode 9:1:0xfffffffe, reason:
                    Hang on bcs0
           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: sp31415s_bugreport at gmx.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 136964
  --> https://bugs.freedesktop.org/attachment.cgi?id=136964&action=edit
/sys/class/drm/card0/error

Hi,

I'm using Debian stable (with kernel from backport).
I face a GPU crash and syslog message was inviting me to file a bug.

kernel 4.14.13 (from debian)

> uname -a
Linux lemon 4.14.0-0.bpo.3-amd64 #1 SMP Debian 4.14.13-1~bpo9+1 (2018-01-14)
x86_64 GNU/Linux

hardware : gigabyte ga-z270x-ud5 + intel i5-7600 (kaby lake + 4k monitor
bdm3275

debian is up to date

I have no idea of the cause, because crash happens during screensaver.
I cannot reproduce : don't know how to crash (looks random and rare - first
time in the week)
I already filed bug about crash during screensaver.

Regards,
Serge

syslog extract:
Jan 25 19:53:03 lemon kernel: [25129.965380] [drm] GPU HANG: ecode
9:1:0xfffffffe, reason: Hang on bcs0, action: reset
Jan 25 19:53:03 lemon kernel: [25129.965380] [drm] GPU hangs can indicate a bug
anywhere in the entire gfx stack, including userspace.
Jan 25 19:53:03 lemon kernel: [25129.965381] [drm] Please file a _new_ bug
report on bugs.freedesktop.org against DRI -> DRM/Intel
Jan 25 19:53:03 lemon kernel: [25129.965381] [drm] drm/i915 developers can then
reassign to the right component if it's not a kernel issu
e.
Jan 25 19:53:03 lemon kernel: [25129.965381] [drm] The gpu crash dump is
required to analyze gpu hangs, so please always attach it.
Jan 25 19:53:03 lemon kernel: [25129.965382] [drm] GPU crash dump saved to
/sys/class/drm/card0/error
Jan 25 19:53:03 lemon kernel: [25129.965479] i915 0000:00:02.0: Resetting bcs0
after gpu hang
Jan 25 19:53:07 lemon kernel: [25133.960270] i915 0000:00:02.0: Resetting rcs0
after gpu hang
Jan 25 19:53:19 lemon kernel: [25145.960279] i915 0000:00:02.0: Resetting rcs0
after gpu hang
Jan 25 19:53:27 lemon kernel: [25153.960375] i915 0000:00:02.0: Resetting rcs0
after gpu hang
Jan 25 19:53:37 lemon kernel: [25163.944460] i915 0000:00:02.0: Resetting rcs0
after gpu hang

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