On 11/19/10 10:30, Larry Maloney wrote: > Does your motherboard have a hardware watchdog timer?
Not one which is accessible from within a DomU. :-) It seems that this bug is related somehow to the idle thread sleeping -- when I comment out the call to idle_block from cpu_idle_hlt in i386/machdep.c the stalling goes away. > On Fri, 2010-11-19 at 06:42 -0800, Colin Percival wrote: >> I'm seeing a weird bug here, and I'm wondering if anyone else has experienced >> this and/or has any clue how to fix it. >> >> During the boot process, in the middle of running rc.d scripts, my >> FreeBSD/Xen >> instance stalls. It does nothing until I send a shutdown signal, at which >> point >>> [XEN] hypervisor wallclock nudged; nudging TOD. >> and a couple buffered lines of rc.d script output are printed. From there >> the >> rc.shutdown script starts running, but it too stalls after a short time; >> then I >> see >>> [XEN] hypervisor wallclock nudged; nudging TOD. >>> Nov 19 14:08:33 init: timeout expired for /bin/sh on /etc/rc.shutdown: >>> Interrupted system call; going to single user mode >> printed, suggesting that the shutdown watchdog timer at least managed to not >> get >> stuck even though everything else did. -- Colin Percival Security Officer, FreeBSD | freebsd.org | The power to serve Founder / author, Tarsnap | tarsnap.com | Online backups for the truly paranoid _______________________________________________ freebsd-xen@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-xen To unsubscribe, send any mail to "freebsd-xen-unsubscr...@freebsd.org"
