Re: deadlock / lock error from filesystem code

[Andrew Doran <ad%netbsd.org@localhost>]

On Sun, Apr 06, 2008 at 04:14:28PM -0400, Michael Lorenz wrote:

> I keep running into this on macppc/smp:
> panic: mutex_vector_exit: assertion failed MUTEX_OWNER(mtx- 
> >mtx_owner) == curthread
> coming from vget, cache_lookup, ufs_lookup, VOP_LOOKUP, lookup,  
> namei, vn_open, sys_open.
> 
> Without DIAGNOSTIC I get occasional deadlocks instead, at least since  
> 4.99.55 - a 4.99.54 kernel works fine. Any lengthy build.sh will  
> trigger it at some point. Sources are on Apple_UFS and OBJ, DEST etc.  
> on ffsv2
> 
> Any ideas?

Can you try it with LOCKDEBUG?

Andrew