[Bug 104455] New: GPU hang in "FTL: Faster Than Light"

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=104455

            Bug ID: 104455
           Summary: GPU hang in "FTL: Faster Than Light"
           Product: DRI
           Version: unspecified
          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: mail at flherne.uk
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 136492
  --> https://bugs.freedesktop.org/attachment.cgi?id=136492&action=edit
Contents of /sys/class/drm/card0/error

Sandybridge laptop (Thinkpad T420s) using mesa and kernel from Arch Linux
packages.

Mesa 17.3, kernel 4.14.7, FTL Advanced Edition (standalone, not through Steam).

The display froze repeatedly for about 20s each time, but recovered afterwards.

The problem doesn't seem to be easily reproducible; it only happened after a
long period and hasn't recurred.

Dump attached.

(maybe see also https://bugs.freedesktop.org/show_bug.cgi?id=100898 , although
that's for Skylake).

Jan 01 23:58:44 tappets kernel: [drm] GPU HANG: ecode 6:0:0x85fffffc, in FTL
[23736], reason: Hang on rcs0, action: reset
Jan 01 23:58:44 tappets kernel: [drm] GPU hangs can indicate a bug anywhere in
the entire gfx stack, including userspace.
Jan 01 23:58:44 tappets kernel: [drm] Please file a _new_ bug report on
bugs.freedesktop.org against DRI -> DRM/Intel
Jan 01 23:58:44 tappets kernel: [drm] drm/i915 developers can then reassign to
the right component if it's not a kernel issue.
Jan 01 23:58:44 tappets kernel: [drm] The gpu crash dump is required to analyze
gpu hangs, so please always attach it.
Jan 01 23:58:44 tappets kernel: [drm] GPU crash dump saved to
/sys/class/drm/card0/error
Jan 01 23:58:44 tappets kernel: i915 0000:00:02.0: Resetting chip after gpu
hang
Jan 01 23:58:52 tappets kernel: i915 0000:00:02.0: Resetting chip after gpu
hang
Jan 01 23:59:00 tappets kernel: i915 0000:00:02.0: Resetting chip after gpu
hang
Jan 02 00:00:45 tappets kernel: i915 0000:00:02.0: Resetting chip after gpu
hang
Jan 02 00:00:53 tappets kernel: i915 0000:00:02.0: Resetting chip after gpu
hang
Jan 02 00:01:01 tappets kernel: i915 0000:00:02.0: Resetting chip after gpu
hang
Jan 02 00:01:09 tappets kernel: i915 0000:00:02.0: Resetting chip after gpu
hang
Jan 02 00:01:17 tappets kernel: i915 0000:00:02.0: Resetting chip after gpu
hang

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