Bug 112119

Summary: GPU HANG: ecode 11:1:0xfffffffe, in Xorg [955], hang on rcs0
Product: DRI Reporter: xznqwe
Component: DRM/IntelAssignee: Intel GFX Bugs mailing list <intel-gfx-bugs>
Status: RESOLVED NOTOURBUG QA Contact: Intel GFX Bugs mailing list <intel-gfx-bugs>
Severity: not set    
Priority: not set CC: intel-gfx-bugs, xznqwe
Version: unspecified   
Hardware: x86-64 (AMD64)   
OS: Linux (All)   
i915 platform: i915 features:
Description Flags
/sys/class/drm/card0/error none

Description xznqwe 2019-10-24 10:05:58 UTC
Created attachment 145806 [details]

My laptop hangs and I find this in dmesg:

[ 5754.466689] i915 0000:00:02.0: GPU HANG: ecode 11:1:0xfffffffe, in Xorg [955], hang on rcs0
[ 5754.466691] [drm] GPU hangs can indicate a bug anywhere in the entire gfx stack, including userspace.
[ 5754.466691] [drm] Please file a _new_ bug report on bugs.freedesktop.org against DRI -> DRM/Intel
[ 5754.466691] [drm] drm/i915 developers can then reassign to the right component if it's not a kernel issue.
[ 5754.466692] [drm] The gpu crash dump is required to analyze gpu hangs, so please always attach it.
[ 5754.466692] [drm] GPU crash dump saved to /sys/class/drm/card0/error
[ 5754.467852] i915 0000:00:02.0: Resetting rcs0 for hang on rcs0
[ 5757.656644] Asynchronous wait on fence i915:kwin_x11[1288]:4625a timed out (hint:intel_atomic_commit_ready+0x0/0x50 [i915])
[ 5762.564500] i915 0000:00:02.0: Resetting rcs0 for hang on rcs0

My laptop is Lenovo Yoga C940 with I5-1035G4 running archlinux and kde. The 
 linux kernel is 5.3.7-arch1-1-ARCH.

Thanks in advance.
Comment 1 Lakshmi 2019-10-30 11:30:42 UTC
rcs0 command stream:
  IDLE?: no
  START: 0x001aa000
  HEAD:  0x002026c0 [0x00002680]
  TAIL:  0x00002790 [0x000026c8, 0x00002700]
  CTL:   0x00003001
  MODE:  0x00000000
  HWS:   0xfedfe000
  ACTHD: 0x0000fffe ec085890
  IPEIR: 0x00000000
  IPEHR: 0x7a000004

The execution is inside the as head!=acthd, closing this issue as NOTOURBUG.
Comment 2 Lakshmi 2019-10-30 11:33:57 UTC
Likely Mesa issue. Please create an issue here

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