on 13/08/2011 20:16 Joe Schaefer said the following: > Brand new machine with a Phenom II X6 1100T and under chronic load > the clock will stop running periodically until the machine eventually > completely > freezes. Note: during these stalls the kernel is still running, the > machine is still > mostly responsive, it's just that the clock is frozen in time. > > I've disabled Turbo mode in the bios and toyed with just about every > other setting but nothing seems to resolve this problem. Based on the > behavior > of the machine (just making buildworld will eventually kill it, upping > the -j flag > just kills it faster), I'm guessing it has something to do with the > Digi+ VRM features > but again nothing I've tried modifying in the bios seems to help. > > I've tried both 8.2-RELEASE and FreeBSD 9 (head). Running head now with > a dtrace enabled kernel. > > Suggestions?
On head, start with checking what source is used for driving clocks: sysctl kern.eventtimer When the problem starts using vmstat -i to check interrupt rates and see if any relevant counter gets stuck. -- Andriy Gapon _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-hackers To unsubscribe, send any mail to "[email protected]"

