[Bug 301764] Re: Xorg freeze with 82865G Integrated Graphics Controller

[C Snover]

I'm not sure if this is related to a problem I am having or not so I
will post here and hopefully someone can let me know if this is the same
bug or not.

I am running on a DQ45CB (Intel Q45 chipset) using the integrated X4500
video chipset in a single-screen, dual-monitor configuration
(1280x960+0+0, 1280x1024+1280+0), with an E8500 CPU and kernel 2.6.27-9.

In Firefox 3, if I select some text on a page and then drag it and
release within the Firefox window, normally an animation will occur
where the selection moves back to where its source was on the page, and
this will complete in under a second without blocking anything else.

However, after doing a fresh install of Kubuntu 8.10, when I drag and
then release a selection in this manner, my X session locks up with only
the mouse able to move. Looking at top (via remote SSH, since the
display is locked up) while this happens shows Xorg using 50% cpu and
kwin using another 50% cpu. Doing an strace on Xorg just output SIGALRM
and seemed to kill everything; doing an strace on kwin showed a ton of
writevs happening.

Eventually the animation will complete and then everything is back to
normal, but this is a severe problem since I have a bad habit of
selecting text while I'm reading it, and every time I accidentally do a
drag the system is unusable for about 60 seconds until it recovers.

So, same problem, or different problem?

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Xorg freeze with 82865G Integrated Graphics Controller
https://bugs.launchpad.net/bugs/301764
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