Bug 73023 - [SNB/IVB/HSW Bisected]Piglit/glx/glx-tfp fails
Summary: [SNB/IVB/HSW Bisected]Piglit/glx/glx-tfp fails
Status: VERIFIED FIXED
Alias: None
Product: xorg
Classification: Unclassified
Component: Server/General (show other bugs)
Version: unspecified
Hardware: All Linux (All)
: high major
Assignee: Xorg Project Team
QA Contact: Xorg Project Team
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2013-12-25 03:25 UTC by lu hua
Modified: 2014-05-19 06:47 UTC (History)
0 users

See Also:
i915 platform:
i915 features:

Attachments

Description lu hua 2013-12-25 03:25:19 UTC 
System Environment:
--------------------------
Platform: Sandybridge
Libdrm:		(master)libdrm-2.4.50-3-g068ea68b3f7ebd5efcfcc2f6ae417651423c8382
Mesa:		(master)7990ab58fa01cbebcefd63dd25af5fd6fdddf019
Xserver:	(master)xorg-server-1.14.99.905
Xf86_video_intel:(master)2.99.906-98-g9289e2c56b7f0cc78c5123691ad96611f0e04bed
Cairo:		(master)8e11a42e3e9b679dce97ac45cd8b47322536a253
Libva:		(staging)feb43645518a9c9c17c39a19c0b1998e99d2e156
Libva_intel_driver:(staging)037b37bb5ba68e5628f4381b024ffac105408ddc
Kernel:	(drm-intel-nightly) 164a4cb4c1431a0689f85507868356fae24da638

Bug detailed description:
-------------------------
It fails on sandy bridge with xorg-server master branch. It doesn't happen on server-1.14-branch. 

Bisect shows:The first bad commit could be any of:
ebcc1c214c466582d7b92826b4860256fd9c582a
81c123ea2dd833864f7ba217791e59acca0f7c97
f70a8bf3714d89bccaad36841ef9149e91ad3bba
a239e6faf3fce848ac0d10c48f8e817db68a493c
These commits build fail.

output:
Probe color at (48,48)
  Expected: 1.000000 0.000000 0.000000
  Observed: 0.000000 0.000000 0.000000
Probe color at (80,48)
  Expected: 1.000000 0.000000 0.000000
  Observed: 0.000000 0.000000 0.000000
Probe color at (48,80)
  Expected: 0.000000 1.000000 0.000000
  Observed: 0.000000 0.000000 0.000000
Probe color at (80,80)
  Expected: 0.000000 1.000000 0.000000
  Observed: 0.000000 0.000000 0.000000
Probe color at (176,48)
  Expected: 1.000000 0.000000 0.000000
  Observed: 0.000000 0.000000 0.000000
Probe color at (208,48)
  Expected: 0.500000 0.000000 0.000000
  Observed: 0.000000 0.000000 0.000000
Probe color at (176,80)
  Expected: 0.000000 1.000000 0.000000
  Observed: 0.000000 0.000000 0.000000
Probe color at (208,80)
  Expected: 0.000000 0.500000 0.000000
  Observed: 0.000000 0.000000 0.000000
PIGLIT: {'result': 'fail' }

Reproduce steps:
----------------------------
1. xinit
2. ./bin/glx-tfp -auto
Comment 1 lu hua 2014-02-13 06:33:06 UTC 
It also fails on Ivybridge and Haswell.
Comment 2 Chris Wilson 2014-05-16 18:34:15 UTC 
=0 ickle:/usr/src/piglit$ ./bin/glx-tfp -auto
PIGLIT: {'result': 'pass' }

Retest?
Comment 3 lu hua 2014-05-19 06:46:12 UTC 
It works well on latest commit.
Comment 4 lu hua 2014-05-19 06:47:56 UTC 
Verified.Fixed.

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