On Fri, 22 Jan 2010 10:55:41 -0700 Mark Goldberg <marklgoldberg@xxxxxxxxx> wrote: > On Fri, Jan 22, 2010 at 10:26 AM, Marko Vojinovic wrote: > > On Friday 22 January 2010 16:07:10 Mark Goldberg wrote: > >> I have an F12 installation that experiences intermittent lockups, > >> usually at times of heavy usage. > >> The system just locks up solid, keyboard and mouse are non responsive. > > > > Telnet? Why telnet? > > It is easy to telnet in from a local machine and administer it from there. > > > > I would check for the following: > > * ssh from the remote machine --- this checks the extent of lockup. It may > > well be just X locking up, while kernel is still alive and well. That would be > > the issue with graphics hardware/drivers. > > I think the telneting in is equivalent. It is not completely dead, but > can't even > finish a login. > > > * reproduce the problem with a LiveCD, prefferably different distro --- this > > checks for hardware vs. software fault. If for ex. Knoppix locks up too, it's > > definitely a hardware issue, independent on the OS in use. > > It is a new Motherboard and I imaged a disk from a backup with Knoppix > 6.2 with no > problems. That does not prove anything because F12 can run for days with no > problems and then crash three times in a day. > > > * if it's a hardware issue --- upgrade power supply, downclock the processor, > > change the motherboard, remove components from the box one by one until you > > find the culprit. > > This is a Mythtv box, all the slots are full of tuners, SATA > controllers, Video, etc. > I know any of them could be the culprit. The only thing being used early in the > morning when it crashes is the cpu, hard disk and network during h.264 encoding. > > I've done some of this. I ran several processor stress tests and it can go to > 15% overclock before it starts to have problems. > > > * if it's a Fedora issue --- boot with nomodeset kernel option, disable ACPI, > > change graphics drivers, boot older kernel, try to narrow down the app that > > triggers the lockup... > > It has happened with several F12 kernels. I'll try some of the other > options you listed. Just out of curiosity: * what is your video card? (as reported by lspci) * could you please boot with the "nomodeset" option and see if it fixes it? * could you also try a 2.6.32 from Koji? They are not production-ready, but seem to fix a random crash I encountered twice, possibly related to firefox. F -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe: https://admin.fedoraproject.org/mailman/listinfo/users Guidelines: http://fedoraproject.org/wiki/Communicate/MailingListGuidelines
