> The system was mostly idle at the time. It'd just finished making an ISO9660
> CD image, and I was starting xcdroast.
>
> The NMI watchdog didn't appear to notice anything wrong. Alt-SysRq-P showed
> nothing interesting - the CPU that responded was always in user-space.
> Is there a way to force the NMI watchdog to kick in?
the watchdog only notices 'hard' lockups, ie. when a CPU doesnt service
interrupts for a given time (5 seconds). 'soft' lockups can be debugged
with Magic-Sysreq, eg. an oops can be forced i think.
-- mingo
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu