[RndTbl] Computer freeze
Michael Doob
mdoob at ccu.umanitoba.ca
Fri Nov 5 13:02:38 CST 2004
On Friday 05 November 2004 12:01, roundtable-request at muug.mb.ca wrote:
problem
>
> The computer is a Dell D600, with an ATI Radeon Mobility 9000. The OS is SuSE
> 9.1, updated religiously. Today's installed RPMs include
> kernel-default-2.6.5-7, XFree86-4.3.99, fglrx-3.12.0 (ATI's driver), and KDE
> 3.3.1.
>
> Every now and then (sometimes once a day, sometimes once a month), the desktop
> stops responding. The cursor follows the mouse, but clicks and keypresses
> are ignored -- even Ctl-Alt-Delete, Ctl-Alt-Backspace, and Ctl-Alt-F1. This
> usually happens when I'm scrolling BoingBoing.net (a long page) in Konqueror,
> but I'm pretty sure that's not the only program that triggers the bug.
>
> The machine can be pinged, and I can slogin from elsewhere. When I do, I find
> X consuming at least 99.8% of CPU. Killing X causes a complete lock-up; it
> won't answer pings, and I have to power-cycle the
> computer. /var/log/messages contains nothing between the slogin and the
> restart.
>
> I've had the problem with KDE 3.2 and 3.1, with fglrx 3.11 and 3.9, and with
> XFree's default "radeon" driver.
>
> Have you seen behavior like this? Do you have any suggestions?
>
I had the identical problem. It turned out that using OepnGL caused the video
card to lock up. Ping would work since it only involved low level kernel calls.
When I disabled the screen saver (or at least the parts that used the OpenGL)
everything was fine.
Cheers,
Michael
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Michael Doob Telephone: (204) 474-9796
Department of Mathematics Fax: (204) 474-7606
University of Manitoba email: Michael_Doob at umanitoba.ca
Winnipeg, MB, Canada R3T 2N2
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