Bug 101041 - [i965] GPU HANG: ecode 4:0:0x8644f8fe, in chrome [1674], reason: Hang on render ring, action: reset
Summary: [i965] GPU HANG: ecode 4:0:0x8644f8fe, in chrome [1674], reason: Hang on rend...
Alias: None
Product: Mesa
Classification: Unclassified
Component: Drivers/DRI/i965 (show other bugs)
Version: unspecified
Hardware: x86-64 (AMD64) Linux (All)
: medium normal
Assignee: Intel 3D Bugs Mailing List
QA Contact: Intel 3D Bugs Mailing List
Depends on:
Reported: 2017-05-14 20:59 UTC by Chris Douglass
Modified: 2019-01-17 19:46 UTC (History)
1 user (show)

See Also:
i915 platform: I965GM
i915 features:

/sys/class/drm/card0/error (105.45 KB, application/x-bzip)
2017-05-14 20:59 UTC, Chris Douglass
Xorg.0.log (59.51 KB, text/plain)
2017-05-14 21:02 UTC, Chris Douglass
dmesg.log (68.14 KB, text/x-log)
2017-05-14 21:03 UTC, Chris Douglass
intel_error_decode log (1.60 MB, text/x-log)
2017-05-14 21:09 UTC, Chris Douglass

Description Chris Douglass 2017-05-14 20:59:10 UTC
Created attachment 131354 [details]

I encounter a hang during which X does not respond to key or mouse events and recovery some seconds later. The following messages are from a tail of dmesg.

[ 1204.829037] [drm] GPU HANG: ecode 4:0:0x8644f8fe, in chrome [1674], reason: Hang on render ring, action: reset
[ 1204.829040] [drm] GPU hangs can indicate a bug anywhere in the entire gfx stack, including userspace.
[ 1204.829041] [drm] Please file a _new_ bug report on bugs.freedesktop.org against DRI -> DRM/Intel
[ 1204.829042] [drm] drm/i915 developers can then reassign to the right component if it's not a kernel issue.
[ 1204.829043] [drm] The gpu crash dump is required to analyze gpu hangs, so please always attach it.
[ 1204.829044] [drm] GPU crash dump saved to /sys/class/drm/card0/error
[ 1205.136582] drm/i915: Resetting chip after gpu hang
[ 1215.140428] drm/i915: Resetting chip after gpu hang
[ 1413.363513] perf: interrupt took too long (4910 > 4908), lowering kernel.perf_event_max_sample_rate to 40500
[ 1425.134080] drm/i915: Resetting chip after gpu hang
[ 1437.128358] drm/i915: Resetting chip after gpu hang
[ 1449.123365] drm/i915: Resetting chip after gpu hang
[ 1459.143450] drm/i915: Resetting chip after gpu hang
[ 1462.794884] [drm] HPD interrupt storm detected on connector VGA-1: switching from hotplug detection to polling


Thinkpad R16

uname -a
Linux thicky 4.9.0-0.bpo.2-rt-amd64 #1 SMP PREEMPT RT Debian 4.9.18-1~bpo8+1 (2017-04-10) x86_64 GNU/Linux
Comment 1 Chris Douglass 2017-05-14 21:02:24 UTC
Created attachment 131355 [details]
Comment 2 Chris Douglass 2017-05-14 21:03:03 UTC
Created attachment 131356 [details]
Comment 3 Chris Douglass 2017-05-14 21:04:56 UTC
Vendor: 0x8086, Device: 0x2a02, Revision: 0x0c (>C0)
render clock: 500 Mhz  sampler clock: 533 Mhz
Comment 4 Chris Douglass 2017-05-14 21:06:23 UTC
MI_MODE (0x209c): 0x00000040
  (bit 14) OK:   Async Flip Performance mode
  (bit 13) OK:   Flush Performance Mode
  (bit  7) OK:   Vertex Shader Cache Mode
  (bit  6) OK:   Vertex Shader Timer Dispatch Enable
CACHE_MODE_0 (0x2120): 0x00006820
  (bit 15) OK:   Sampler L2 Disable
  (bit  9) PERF: Sampler L2 TLB Prefetch Enable should be set
  (bit  8) OK:   Depth Related Cache Pipelined Flush Disable
  (bit  5) FAIL: STC LRA Eviction Policy must be unset
  (bit  3) OK:   Hierarchical Z Disable
  (bit  0) OK:   Render Cache Operational Flush
CACHE_MODE_1 (0x2124): 0x00000180
  (bit 12) OK:   HIZ LRA Eviction Policy
  (bit 11) OK:   DAP Instruction and State Cache Invalidate
  (bit 10) OK:   Instruction L1 Cache and In-Flight Queue Disable
  (bit  9) OK:   Instruction L2 Cache Fill Buffers Disable
  (bit  4) OK:   Data Disable
  (bit  1) OK:   Instruction and State L2 Cache Disable
  (bit  0) OK:   Instruction and State L1 Cache Disable
3D_CHICKEN (0x2084): 0x00000000
           OK:   chicken bits unset
3D_CHICKEN2 (0x208c): 0x00000000
           OK:   chicken bits unset
ECOSKPD (0x21d0): 0x00000307
           WARN: chicken bits set
Comment 5 Chris Douglass 2017-05-14 21:07:18 UTC
Intel CPU: Family 6, Model f
Intel Northbridge: 8086:2a00 (PM965)
Intel Southbridge: 8086:2811 (unknown)
Comment 6 Chris Douglass 2017-05-14 21:09:00 UTC
Created attachment 131357 [details]
intel_error_decode log
Comment 7 Mark Janes 2017-05-15 18:20:51 UTC
Is there a specific website that triggers this hang?
Comment 8 Chris Douglass 2019-01-17 19:46:45 UTC
I no longer have access to hardware to replicate.

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