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Bug#527349: [Intel 865G][amd64] freezes whole system and shows

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:


    xserver-xorg-video-intel: 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


    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:
        - lock-up just after login
        - Xorg log truncated to 0 bytes


    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:
        - 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 driver.

I've tested the 2: version with 2.6.29-2 and 2.6.30-rc8 kernel as well, and it was just like with

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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