> 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). That sounds like it suddenly ran out of memory. Try echo "2" >/proc/sys/vm/overcommit_memory echo "80" >/proc/sys/vm/overcommit_ration and see if instead you suddenly see lots of out of memory errors and applications going away > ctrl+alt sequences. The only thing I can do is to do a hard power-off > and reboot. Does anything make /var/log/messages ? > 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. 1MB or 1GB. 1MB might be a bit slow so I suspect the latter ;) I wonder if LUKS + swap might be the first suspect > 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. Which video driver are you using ? Alan -- fedora-list mailing list fedora-list@xxxxxxxxxx To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-list