Bug 83340 - [HSW]igt/gem_reset_stats sporadically causes system hang
Summary: [HSW]igt/gem_reset_stats sporadically causes system hang
Status: CLOSED FIXED
Alias: None
Product: DRI
Classification: Unclassified
Component: DRM/Intel (show other bugs)
Version: XOrg git
Hardware: All Linux (All)
: medium normal
Assignee: Intel GFX Bugs mailing list
QA Contact: Intel GFX Bugs mailing list
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2014-09-01 07:52 UTC by lu hua
Modified: 2017-10-06 14:36 UTC (History)
2 users (show)

See Also:
i915 platform:
i915 features:

Attachments
dmesg (134.31 KB, text/plain)
2014-09-01 07:52 UTC, lu hua 		no flags Details
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Description lu hua 2014-09-01 07:52:45 UTC 
Created attachment 105539 [details]
dmesg

==System Environment==
--------------------------
Regression: not sure, unstable
Non-working platforms: HSW

==kernel==
--------------------------
drm-intel-nightly/6e9c5b9d428bb075293ec865ba58f90931187a48
drm-intel-fixes/bbe1c2740d3a25aa1dbe5d842d2ff09cddcdde0a
drm-intel-next-queued/c101c5b635bee54e43d0732473d2f80b2a0e00f4


==Bug detailed description==
It sporadically causes system hang, Run 5 cycles, it happens at the 5th cycle.
It happens on HSW with drm-intel-nightly, drm-intel-fixes and rm-intel-next-queued kernel.

output:
IGT-Version: 1.7-gd0a41b4 (x86_64) (Linux: 3.17.0-rc2_drm-intel-nightly_6e9c5b_20140901+ x86_64)
Subtest params: SUCCESS
Subtest params-ctx-render: SUCCESS
Subtest reset-stats-render: SUCCESS

Reproduce steps:
---------------------------- 
1. run ./gem_reset_stats 5 cycles.
Comment 1 Rodrigo Vivi 2014-10-15 19:25:17 UTC 
Is it still happening on latest -nightly?
Can you please collect and attach error state?
Comment 2 lu hua 2014-10-16 08:20:57 UTC 
Test on latest -nightly kernel, run 10 cycles, this issue doesn't exist.
Comment 3 lu hua 2015-01-16 05:50:52 UTC 
Verified.Fixed.
Comment 4 Elizabeth 2017-10-06 14:36:04 UTC 
Closing old verified.

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