[Bug 94082] New: Skylake GPU hang ecode 9:0:0x85dfffff, in plasmashell, kernel 4.5.0-rc3

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=94082

            Bug ID: 94082
           Summary: Skylake GPU hang ecode 9:0:0x85dfffff, in plasmashell,
                    kernel 4.5.0-rc3
           Product: DRI
           Version: XOrg git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: myemailu at gmail.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 121656
  --> https://bugs.freedesktop.org/attachment.cgi?id=121656&action=edit
gpu error log

hardware: Intel NUC6i5, 
processor       : 0
vendor_id       : GenuineIntel
cpu family      : 6
model           : 78
model name      : Intel(R) Core(TM) i5-6260U CPU @ 1.80GHz
stepping        : 3
microcode       : 0x6a
cpu MHz         : 1194.257
cache size      : 4096 KB


on skylake system running kernel 4.5.0-rc3, plasamshell crashes randomly,
journal message is:

Feb 10 21:11:21 linux.suse kernel: [drm] GPU HANG: ecode 9:0:0x85dfffff, in
plasmashell [1647], reason: Ring hung, action
Feb 10 21:11:21 linux.suse kernel: [drm] GPU hangs can indicate a bug anywhere
in the entire gfx stack, including userspa
Feb 10 21:11:21 linux.suse kernel: [drm] Please file a _new_ bug report on
bugs.freedesktop.org against DRI -> DRM/Intel
Feb 10 21:11:21 linux.suse kernel: [drm] drm/i915 developers can then reassign
to the right component if it's not a kerne
Feb 10 21:11:21 linux.suse kernel: [drm] The gpu crash dump is required to
analyze gpu hangs, so please always attach it.
Feb 10 21:11:21 linux.suse kernel: [drm] GPU crash dump saved to
/sys/class/drm/card0/error
Feb 10 21:11:21 linux.suse kernel: drm/i915: Resetting chip after gpu hang
Feb 10 21:11:23 linux.suse kernel: [drm] RC6 on

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