Hmm, there weren't any major changes to the -intel driver between -rc
and the release. The only patch that went in around this time was:
* debian/patches/17_lockup_virtual_size_2048.patch:
- merging patch from http://bugs.freedesktop.org/show_bug.cgi?id=13376.
Fixes crash if Virtual set to >2048 by disabling DRI in this case,
prior to initializing the DRI subsystem. (closes LP: #188178)
but I wouldn't think this could cause the problem you're reporting.
The xserver did have a relevant change in this timeframe though:
* debian/patches/165_fedora_xserver-1.5.0-xaa-option-inversion.patch:
- Turn XAA Offscreen Pixmaps off by default, and use
XaaOffscreenPixmaps "true" to turn them on. This setting was an
early pre-EXA HW optimization attempt that didn't pan out; upstream is
deprecating XAA in favor of EXA generally, and for situations where
XAA is still in use recommends NOT using this optimization hack, since
they found it often just made performance worse, and sometimes created
visualization bugs. People wishing to gain added performance should be
experimenting with EXA anyway, not this setting. (closes LP: #182038)
-- Bryce Harrington <[EMAIL PROTECTED]> Mon, 21 Apr 2008 12:30:53 -0700
Can you try setting XaaOffscreenPixmaps "true" to see if it makes any
difference?
Another change that occurred somewhat earlier was the switch from -i810
to -intel as the default driver. Do you recall if you were using the
"i810" driver previously? If so, you could test seeing if going back to
"i810" makes the instability go away. (We would still need to figure
out what the issue was, but this could explain why you suddenly started
seeing it at this point in the release.)
Please also test Intrepid if you could, so we can see if the problem has
been resolved in the latest code; if not we'll want to report this
upstream.
As well, try getting a backtrace so we can see where things are stuck -
see http://wiki.ubuntu.com/X/Backtracing for directions.
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: Confirmed => Incomplete
--
Gaming/Video instability in Hardy (x freezes), starting after 8.04-rc and
before 8.04.0 [946GZ]
https://bugs.launchpad.net/bugs/221504
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