On 9/26/07, David Hough <fedora@xxxxxxxxxxx> wrote: > I'm trying to work out what's wrong with one of my Fedora 7 systems. It > suffers random seizures, sometimes completely locking up, other times > apparently suffering partial lock-ups of one or two windows (as in they > won't update the screen when clicked but others still work), followed > shortly by a complete lock-up. Sometimes when locked up I can still ping > it, although attempting ssh gets in but never provides a prompt (but see > below). On reboot there's no clue in the syslog. The previous FC6 > installation was rock-solid. Running a Xen kernel or VMWare (not on a > Xen kernel) seems to guarantee a crash much faster than if I don't run > either. > > Initial thoughts were about the Evil nVidia Binary Driver, but I swapped > the graphics card for an ATI one and I still get lock-ups, so > uninstalling the nVidia driver didn't fix it. I've left it running > memtest overnight and it was quite happy. > > Another clue this morning was that I did manage to get an ssh shell from > another machine, but it then objected to various commands with an > input/output error. > > The machine spec is Fedora 7 on a 2.4GHz Core 2 Duo running on an Abit > AB9 Pro motherboard. 4GB RAM, currently an ATI HD2600 graphics card, > previously an nVidia GS7600 card. Three SATA drives (independent, no > RAID), a SATA DVD and a Brainbox dual serial card. It's been through > several kernels with the problem, currently claiming to be > 2.6.22.5-76.fc7 #1 SMP Thu Aug 30 13:47:21 EDT 2007 and everything else > maintained using yum update. System temperatures seem to be fine, CPU > runs about 50C even when exercised. > > I have Fedora 7 on a Dell laptop and an Athlon machine and they're both > quite happy. I still sort of suspect the graphics driver but have no > real proof of it. > Choose VESA and test again.
