Bug 84791

Summary:	[BSW]Piglit spec_ARB_timer_query_timestamp-get fails
Product:	Mesa	Reporter:	lu hua <huax.lu>
Component:	Drivers/DRI/i965	Assignee:	Ian Romanick <idr>
Status:	CLOSED WONTFIX	QA Contact:	Intel 3D Bugs Mailing List <intel-3d-bugs>
Severity:	normal
Priority:	medium	CC:	ben
Version:	unspecified
Hardware:	All
OS:	Linux (All)
Whiteboard:
i915 platform:		i915 features:

Description lu hua 2014-10-08 07:19:46 UTC

System Environment:
--------------------------
Platform: BSW
Libdrm:	(master)libdrm-2.4.58-4-g00847fa48b83a85b0cb882594a12ed1511f780db
Mesa:	(master)16b53005a7df4249fecb6641af0934c32181fdea
Xserver:(master)xorg-server-1.16.0-386-g95a5b92e37f73f497d547fd91c543c16d2cc73de
Xf86_video_intel:(master)2.99.916-84-gec2b9ac81aed0d2dda2948171ca1c260184bf221
Libva:		(master)cdf8636d5fc5b1558570fede347e1599e0d6af3d
Libva_intel_driver:(master)f11176415ec26eb5960ba6841d2d9c22f2cabc60
Kernel:   (drm-intel-nightly)eabc0c8db15f9ba4d727aee5e0612a68cafe1ab5

Bug detailed description:
---------------------------
It fails on BSW with mesa master branch, works well on BDW.

output:
glGet overhead: 85 us
glQuery overhead: 471 us
Test: first glQuery, then glGet
old time = 15303414 us
new time = 0 us
old time > new time
PIGLIT: {"result": "fail" }

Reproduce steps:
-------------------------
1. xinit
2. bin/arb_timer_query-timestamp-get -fbo -auto

Comment 1 Ben Widawsky 2014-11-24 18:53:25 UTC

This test has non-deterministic results on certain platforms and we are no longer including it as a bug we care about.

Eventually we should fix this bug.

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