Re: amd64 HEAD 03/05 dom0 crash

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

On Sat, Mar 22, 2008 at 08:15:07AM -0500, Chris Brookes wrote:
> I'm using HEAD from 03/05  on amd64 with a self compiled kernel. As I
> recall the only thing I have changed in my kernel config is a
> specified vnd amount. The kernel source is from 03/05 with a patch
> applied to fix vlan tagging issues in re(4).  This is the second time
> this type of crash has happened. Unfortunately I wasn't able to
> capture the console output last time.
> 
> Mutex error: mutex_vector_exit: exiting unheld spin mutex
> 
> lock address : 0xffffffff80af8f40
> current cpu  :                  0
> current lwp  : 0xffffa000121e92e0
> owner field  : 0x0000000000000600 wait/spin:                0/1
> 
> panic: lock error
> Stopped in pid 0.5 (system) at  netbsd:breakpoint+0x5:  leave
> breakpoint() at netbsd:breakpoint+0x5
> panic() at netbsd:panic+0x25b
> lockdebug_abort() at netbsd:lockdebug_abort+0x42
> mutex_vector_exit() at netbsd:mutex_vector_exit+0xd7
> callout_softclock() at netbsd:callout_softclock+0x263
> softint_thread() at netbsd:softint_thread+0x89

I've seen it too. I hope it's fixed with arch/xen/xen/evtchn.c 1.33,
please update.

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