Bug 94864

Summary: Skylake GPU hang ecode 9:0:0x87f99ff9, intel-next 4.6.0-rc2 kernel
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: normal    
Priority: medium CC: 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 crash dump none

Description Markus Schauler 2016-04-07 20:52:15 UTC 
Created attachment 122798 [details]
GPU crash dump

When using google chrome on a Skylake system running 
a intel-next kernel (commit 851708c7e97537ed618fadbe5d342eaf8fa5146d )

the GPU hangs with this error message:

Apr 07 22:42:08 linux.suse kernel: [drm] stuck on render ring
Apr 07 22:42:08 linux.suse kernel: [drm] GPU HANG: ecode 9:0:0x87f99ff9, in chrome [3841], reason: Engine(s) hung, 
Apr 07 22:42:08 linux.suse kernel: [drm] GPU hangs can indicate a bug anywhere in the entire gfx stack, including u
Apr 07 22:42:08 linux.suse kernel: [drm] Please file a _new_ bug report on bugs.freedesktop.org against DRI -> DRM/
Apr 07 22:42:08 linux.suse kernel: [drm] drm/i915 developers can then reassign to the right component if it's not a
Apr 07 22:42:08 linux.suse kernel: [drm] The gpu crash dump is required to analyze gpu hangs, so please always atta
Apr 07 22:42:08 linux.suse kernel: [drm] GPU crash dump saved to /sys/class/drm/card0/error
Apr 07 22:42:08 linux.suse kernel: drm/i915: Resetting chip after gpu hang
Apr 07 22:42:10 linux.suse kernel: [drm] RC6 on
Apr 07 22:42:16 linux.suse kernel: [drm] stuck on render ring
Apr 07 22:42:16 linux.suse kernel: [drm] GPU HANG: ecode 9:0:0x87f99ff9, in chrome [4042], reason: Engine(s) hung, 
Apr 07 22:42:16 linux.suse kernel: drm/i915: Resetting chip after gpu hang
Apr 07 22:42:18 linux.suse kernel: [drm] RC6 on
Comment 1 yann 2016-05-18 15:21:58 UTC 
For both bugs:
- Hung happening on "render" ring, 
- Application is "Chrome",
- HW/PCI_ID is "0x1926" 
- Instruction/IPETH is "0x78260000"

*** This bug has been marked as a duplicate of bug 94022 ***

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