Bug 47129

Summary: [SNB]Piglit bugs/drawbuffer-modes randomly fails under compositor
Product: Mesa Reporter: lu hua <huax.lu>
Component: Drivers/DRI/i965Assignee: Ian Romanick <idr>
Status: VERIFIED DUPLICATE QA Contact:
Severity: major    
Priority: high CC: xunx.fang
Version: git   
Hardware: All   
OS: Linux (All)   
Whiteboard:
i915 platform: i915 features:

Description lu hua 2012-03-09 00:55:57 UTC 
System Environment:
--------------------------
Arch:             i386
Platform:         Sugarbay
Libdrm:		(master)2.4.31-11-gf82c77870354ba736774b6c45ccf8a326732243a
Mesa:		(master)43af02ac731dac7d80f7e47feb0c80e4da156769
Xserver:		(master)xorg-server-1.12.0
Xf86_video_intel:(master)2.18.0-36-g232972c0e5bd833c1d0b33432fa8092c601fd0e5
Libva_intel_driver:(vaapi-ext)304bf4dd752c5d0edd6bcdf87efaaa7db503a1c3
Kernel:	(drm-intel-next-queued) fa37d39e4c6622d80bd8061d600701bcea1d6870

Bug detailed description:
-----------------------------
The test result is unstable under gnome mode. It fails 6 times when run 20 times. It always fails under X mode. 
It happens on Sugarbay with mesa master and 8.0 branch.

Reproduce steps:
----------------------------
1.    Start  X
2.    Start  gnome-session
3.    Run:   ./drawbuffer-modes -auto
Comment 1 Anuj Phogat 2012-03-15 10:32:16 UTC 
Yes, for me it fails once in 20 runs on sandybridge.
Comment 2 lu hua 2012-04-01 00:07:02 UTC 
It always fails on sugarbay GT1 under x mode. It always passes on sugarbay GT2 under x mode.
It randomly fails on sugarbay GT1 and GT2 under compositor.
Comment 3 Chris Wilson 2012-07-05 04:40:53 UTC 
Same root cause as fbo-sys-blit.

*** This bug has been marked as a duplicate of bug 47388 ***

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