[Bug 450901] Re: [i965GM] [drm:i915_gem_execbuffer] *ERROR* Failed to pin buffers -22

[Geir Ove Myhr]

Thank you for an excellent test program. I didn't figure out the point
of it at first as I was running with xorg-edgers, and pressing or
holding space didn't make a difference. Downgrading to standard Karmic
triggered the bug, though. So fo you others wanting to test: The program
displays a red square that is rotating, except that when space is held
down, the drawing method is different and on a buggy installation the
animation stops.

So the bug is no longer present upstream. I was testing with xorg-edgers with:
mesa 7.7.0~git20091030.9c3197ef-0ubuntu0tormod
xserver-xorg-video-intel 2:2.9.0+git20091026.10946118-0ubuntu0tormod
libdrm 2.4.15+git20091030.b0b96636-0ubuntu0tormod
xorg-server 2:1.6.4.901+git20091005+server-1.6-branch.c07b2368-0ubuntu0sarvatt

My best guess is that mesa is what makes the difference. If anyone is
willing to git-bisect  from 7.6.0 which is currently in Karmic and find
the patch that fixes this, it may be considered for Karmic updates if it
does not depend on other patches. It should be relatively easy given
Camilla's test case, but still somewhat time consuming.

Some information:
https://wiki.ubuntu.com/X/GitUsage
https://wiki.ubuntu.com/X/Bisecting

** Changed in: xserver-xorg-video-intel (Ubuntu)
       Status: Confirmed => Triaged

** Changed in: xserver-xorg-video-intel (Ubuntu)
   Importance: Undecided => Low

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[i965GM] [drm:i915_gem_execbuffer] *ERROR* Failed to pin buffers -22
https://bugs.launchpad.net/bugs/450901
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