[Bug 447892] [NEW] Freeze shortly after X startup on Intel i855

[kalessin]

Public bug reported:

Binary package hint: xserver-xorg-video-intel

Summary: X server freezes shortly after startup. The problem is similar
to several problems already reported with the intel driver, but opening
a separate bug report (for the time being) since none of the existing
entries quite matches my configuration. Feel free to mark it as
duplicate if you think it is.

System: Kubuntu 'Karmic', updated yesterday (2009-10-09). Buffer dump is
attached.

Description: The X server locks up shortly after it is started, no
matter what I do. Usually this happens when the login procedure is just
about finished, but I have also seen it after KDM waiting for some time
for the login credentials. Mouse pointer remains functional, apart from
that complete lock (esp. keyboard). Magic sys'req key still works, but
when I try SReq-(R,E,I), KDM seems to try to restart X, resulting in a
*really* complete lockup (even my ssh diagnostics session dies).

Notes: I had the same problem with Jaunty, but there it helped forcing
the driver to use XAA instead of EXA. The newer driver does not support
that ('Option "AccelMethod" is not used'), and cannot be forced to
disable acceleration either ('Option "NoAccel" is not used'). And thanks
to the new near-magic auto detection scheme, it is not even trivial to
fall back to the VESA driver... so Karmic is completely and utterly non-
usable on that machine.

** Affects: xserver-xorg-video-intel (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: i855 karmic

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Freeze shortly after X startup on Intel i855
https://bugs.launchpad.net/bugs/447892
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