Re: current dom0 panic on domu launch

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

On Thu, Oct 01, 2009 at 10:53:51AM +1000, Sarton O'Brien wrote:
> Hey all,
> 
> Updated a few times in the last couple of days, the most recent being 
> yesterday (Wed Sep 30 14:23:55 EST 2009).
> 
> A minute or two after launching a domu this is produced:
> 
> uvm_fault(0xffffffff80c2dc60, 0x0, 1) -> e
> fatal page fault in supervisor mode
> trap type 6 code 0 rip ffffffff80564e93 cs e030 rflags 10246 cr2  0 cpl
> 0 rsp ff
> ffa00013ac3ad0
> panic: trap
> cpu0: Begin traceback...
> uvm_fault(0xffffffff80c2dc60, 0x0, 1) -> e
> fatal page fault in supervisor mode
> trap type 6 code 0 rip ffffffff802183ef cs e030 rflags 10246 cr2  0 cpl
> 0 rsp ff
> ffa00013ac3690
> panic: trap
> Faulted in mid-traceback; aborting...
> dump to dev 18,1 not possible
> panic: wdc_exec_command: polled command not done
> Faulted in mid-traceback; aborting...
> dump to dev 18,1 not possible
> rebooting...
> 
> If more info is required, it's easy to reproduce, let me know what to 
> do.

Try:
sysctl -w ddb.onpanic=1
start domU, wait for crash. At the db prompt, type:
trace

-- 
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
     NetBSD: 26 ans d'experience feront toujours la difference
--