Bug 65558

Summary: [ILK]igt/kms_flip/flip-vs-panning fail
Product: DRI Reporter: lu hua <huax.lu>
Component: DRM/IntelAssignee: Intel GFX Bugs mailing list <intel-gfx-bugs>
Status: CLOSED WONTFIX QA Contact: Intel GFX Bugs mailing list <intel-gfx-bugs>
Severity: normal    
Priority: medium CC: xunx.fang, yangweix.shui
Version: unspecified   
Hardware: All   
OS: Linux (All)   
Whiteboard:
i915 platform: i915 features:
Attachments:
Description Flags
dmesg none

Description lu hua 2013-06-09 02:49:52 UTC 
Created attachment 80545 [details]
dmesg

System Environment:
--------------------------
Platform: Ironlake
Kernel: (linux-3.9.y)5dd2e9869de2d28fc7e5c274ff9c12af4361ba86
Some additional commit info:
Author: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date:   Fri Jun 7 12:54:00 2013 -0700

    Linux 3.9.5

Bug detailed description:
-------------------------
It fails on Ironlake with 3.9.5 kernel.It also happens on Kernel: (linux-3.9.y)4bb08696fab71294c8f1c134a21be9159f82ba08(3.9.3).
It works well on latest drm-intel-next-queued and drm-intel-fixes kernel.

output:
Using monotonic timestamps
running testcase: flip-vs-panning
Beginning flip-vs-panning on crtc 3, connector 7
  1280x1024 60 1280 1328 1440 1688 1024 1025 1028 1066 0x5 0x48 108000
........................................................................................unexpected flip seq 4699, should be >= 4700

Reproduce steps:
----------------
1. ./kms_flip --run-subtest flip-vs-panning
Comment 1 Chris Wilson 2013-06-09 09:07:45 UTC 
The fix was scheduled for v3.10. Perhaps it should have been marked for stable?
Comment 2 Chris Wilson 2013-06-09 09:09:16 UTC 
*** Bug 65559 has been marked as a duplicate of this bug. ***
Comment 3 Daniel Vetter 2013-06-09 09:35:33 UTC 
Imo not worth trying to backport all the pageflip/panning fixes until we get a real bug report from client use-case.

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