Re: 2.6.21-rc7-mm2 hangs in boot (netconsole)

Andi Kleen
2007-05-01T02:45:57Z

> Andi: unprocessor x86_64 running rc7-mm2 is hanging early in boot at
> randomish times (presumably in the timer irq handler) when netconsole and
> printk-time are enabled.

A backtrace would be good. Does nmi_watchdog=2 show anything
interesting or if not sysrq-t?

>
> I was hitting the same thing on i386 uniprocessor, but I thought it got
> fixed.

Yes.

My current sched_clock does not take any locks anymore and it was removed
from the cpufreq handler too.

-Andi