Public bug reported:
Binary package hint: xserver-xorg-video-intel
On gutsy, with an intel graphic card, I have cases where opengl programs cannot
refresh.
Here is how to reproduce, on a gutsy machine with an intel graphic card:
1. activate desktop effects
2. start glxgears
3. move the window so that its right edge is on the right of the right edge of
the screen
At this point, the glxgears window is no longer refreshed (appears black).
Also (but this might be unrelated), if I do the same on the left of the screen,
glxgears crashes with that output:
DRM_I830_CMDBUFFER: -22
and returns 1.
I have tested on another gutsy install on a machine with an nvidia card
and using nvidia proprietary drivers, and it works fine. It also works
fine with another machine with an intel graphic card and running hardy.
compiz 1:0.6.0+git20071008-0ubuntu1.1
xserver-xorg-video-intel 2:2.1.1-0ubuntu9.1
$ lspci -nn | grep VGA
00:02.0 VGA compatible controller [0300]: Intel Corporation 82G33/G31 Express
Integrated Graphics Controller [8086:29c2] (rev 02)
I have attached the xorg log.
** Affects: compiz (Ubuntu)
Importance: Undecided
Status: New
** Affects: xserver-xorg-video-intel (Ubuntu)
Importance: Undecided
Status: New
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[gutsy] Opengl applications' windows are not refreshed with compiz when
partially hidden on the right (intel drivers)
https://bugs.launchpad.net/bugs/200632
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