Bug 94082

Summary: Skylake GPU hang ecode 9:0:0x85dfffff, in plasmashell, kernel 4.5.0-rc3
Product: DRI Reporter: Markus Schauler <myemailu>
Component: DRM/IntelAssignee: Intel GFX Bugs mailing list <intel-gfx-bugs>
Status: CLOSED DUPLICATE QA Contact: Intel GFX Bugs mailing list <intel-gfx-bugs>
Severity: major    
Priority: medium CC: bugzilla, intel-gfx-bugs
Version: XOrg git   
Hardware: x86-64 (AMD64)   
OS: Linux (All)   
Whiteboard:
i915 platform: SKL i915 features: GPU hang
Attachments:
Description Flags
gpu error log none

Description Markus Schauler 2016-02-10 20:35:03 UTC 
Created attachment 121656 [details]
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
Comment 1 ggg 2016-05-14 05:08:57 UTC 
Duplicate of https://bugs.freedesktop.org/show_bug.cgi?id=93572 ?
Comment 2 yann 2016-05-18 15:28:38 UTC 
For both bugs:
- Hung happening on "render" ring, 
- Application is "Plasmashell",
- HW/PCI_ID is "0x1926",
- Instruction/IPETH is "0x7a000004"

*** This bug has been marked as a duplicate of bug 94064 ***

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