zfs: Fatal trap 12: page fault while in kernel mode

Juergen Unger lists at jpru.de
Tue Aug 4 09:56:50 UTC 2009


On Tue, Aug 04, 2009 at 11:49:50AM +0200, Pawel Jakub Dawidek wrote:
> > testbox# sysctl debug.kdb.enter=1
> > KDB: enter: sysctl debug.kdb.enter
> > [thread pid 11635 tid 100472 ]
> > Stopped at      kdb_enter+0x3a: movl    $0,kdb_why
> > db> show lock 0x87aac290
> >  class: sx
> >  name: dp->dp_config_rwlock
> >  state: XLOCK: 0x879e8480 (tid 100130, pid 172, "txg_thread_enter")
> >  waiters: shared
> > db> 
> 
> Could you also try something like the following from DDB:
> 
> 	x/bx 0x879ad8a0,52

db> x/bx 0x879ad8a0,52
0x879ad8a0:     82  1a  4b  87  0   0   71  2   0   0   0   0   0   0   0   0
0x879ad8b0:     1   0   0   0   91  1a  4b  87  4   0   0   0   40  92  cb  87
0x879ad8c0:     0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
0x879ad8d0:     0   0   0   0   9   1f  4b  87  0   0   71  2   0   0   0   0
0x879ad8e0:     0   0   0   0   40  92  cb  87  e8  0   0   0   c8  0   0   0
0x879ad8f0:     a8  bb
db>


 -Juergen-

-- 
ENOSIG


More information about the freebsd-fs mailing list