I've done some tests with various versions of kernel and driver on my 865G
graphics chip and i386 architecture. It all looks like this:
linux-image-2.6.26-2:
xserver-xorg-video-intel: 2:2.7.99.901-2
- no lock-up, but screen corruption occurs
- missing parts of text in xterm
- corrupted fonts
- not fully repainted windows
- very slow (delayed) window switching
- in Xorg log: Screen 0 is not DRI2 capable, Screen 0 is not DRI capable
xserver-xorg-video-intel: 2:2.7.1-1
- everything works just fine
- in Xorg log: Screen 0 is not DRI2 capable
linux-image-2.6.29-2
xserver-xorg-video-intel: 22:2.7.1-1
- corrupted and locked-up login screen (can't login)
- no error in Xorg log, only: Screen 0 is not DRI2 capable
xserver-xorg-video-intel: 2:2.7.99.901-2
- lock-up just after login
- Xorg log truncated to 0 bytes
linux-image-2.6.30-rc8
xserver-xorg-video-intel: 2:2.7.1-1
- lock-up a few minutes after login
- in Xorg log, it says that DRI2 is used.
xserver-xorg-video-intel: 2:2.7.99.901-2
- lock-up a few minutes after login
- sometimes screen corruption just before lock-up,
once a total mess with horizontal shifts occured - like screen
from not erased framebuffer :-)
After each lock-up, mouse cursor was working.
It seems there are two different bugs.
- First messing the login screen but fixed in 2.6.30,
- and second randomly locking-up and occuring on 2.7.99.901-2 driver.
I've tested the 2:2.7.99.1-2 version with 2.6.29-2 and 2.6.30-rc8 kernel as
well, and it was just like with 2.7.99.901-2.
I hope this info was useful, but if some more tests are needed or information
from logs etc then let me know.
Michal Pokrywka
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