Periodic Fedora 9 system hangs with jumpy mouse

Thomas Kappelmueller tkappelmueller at
Tue Jul 8 11:15:53 UTC 2008


I completely solved this problem by doing this:
"yum install xorg-x11-drv-radeonhd"

and changing the /etx/X11/xorg.conf file:
Section "Device"
         Identifier  "Videocard0"
         Driver      "radeon"

Section "Device"
         Identifier  "Videocard0"
         Driver      "radeonhd"

No more freezes since then (more than 1 month) and i haven't noticed any 
differences between radeon and radeonhd.


Deron Meranda wrote:
> I have reinstalled Fedora 9 (not an upgrade) onto a system that used
> to run F7 fine
> (except for a new video card, see below).
> Now I am seeing intermittent system hangs or lockups; probably about 2
> or 3 per day.
> This happens most often if I'm scrolling a page in Firefox with the
> mouse wheel, but
> it has happened a few other times too.  Usually when this happens I'm
> doing very little
> other than viewing a webpage or typing at the terminal shell.  No
> music or video is playing;
> screen saver is not running.  Usually the only major apps in use when
> this happens
> are Firefox, Thunderbird, terminals, and emacs.  I have not enabled
> any of the Gnome
> desktop effects.
> When the system hangs, the mouse cursor will continue to move, but it
> is very jumpy
> and sluggish.  But otherwise the system is completely unresponsive
> (not just slow).
> Nothing visible on the screen updates at all, mouse clicks are not
> registered, keyboard
> input does nothing.  I can not even switch out to a console window, or
> any of the
> ctrl+alt sequences. The only thing I can do is to do a hard power-off
> and reboot.
> When the system comes back up I can not find any information about what may
> have happened.  Log files just go silent at the instant the hang occurs.
> All F9 updates are applied.  Running kernel  No custom
> drivers or packages, and very little customization...mainly
> out-of-the-box Fedora.
> This system is a Dell Optiplex GX270 (4-5 yrs old) with a Pentium 4 3GHz cpu
> with hyperthreading enabled, 1 MB ram.  I am using LVM and LUKS encryption
> on the swap and /home.
> The only hardware change in the system was replacing my old PCI graphics
> card (Matrox Millenium II) with a brand new ATI Stealth X1050 AGP.  This was
> necessary because the F9 graphical install was unusable; as the old card only
> had VGA output and the installer's X11 could not properly auto-detect the LCD
> widescreen monitor and was trying to drive it at too high a frequency.  I needed
> to have DVI output for the F9 graphical install to work; so I had to get a new
> video card.
> Does anybody have any ideas what might be happening; and is there anything
> I can do to help diagnose this problem or obtain more information that may
> be useful?

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