panic: spin lock held too long (w/ backtrace)

[Kris Kennaway]

On Thu, May 10, 2007 at 07:00:00PM -0600, Scott Swanson wrote:

> >> Unread portion of the kernel message buffer:
> >> spin lock smp rendezvous held by 0xc95a5900 for > 5 seconds
> > 
> > What is thread 0xc95a5900 doing?
> > 
> > Kris
> > 
> 
> Is this the best way to determine the action of the thread?
> 
> Regards;
> Scott
> 
> (kgdb) info threads
>   90 Thread 100123 (PID=18303: bsdtar)  0xc0644f5b in sched_switch
> (td=0xc95a5900, newtd=0xc92aad80, flags=0) at
> /usr/src/sys/kern/sched_4bsd.c:973

Yes, now 'proc 18303' and 'bt'.

Kris