[REPORT] Some panics on ZFS

[Pawel Jakub Dawidek]

On Sat, Dec 23, 2006 at 03:23:32PM +0100, Pawel Jakub Dawidek wrote:
> On Sat, Dec 23, 2006 at 11:17:38AM +0900, Norikatsu Shigemura wrote:
> > 	Other case, but I think that this is current problem:-).
> > - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
> > panic: mi_switch: switch in a critical section
> > cpuid = 0
> > KDB: enter: panic
> > [thread pid 2262 tid 100131 ]
> > Stopped at      kdb_enter+0x30: leave
> > db> 
> > db> 
> > db> bt
> > Tracing pid 2262 tid 100131 td 0x84f95510
> > kdb_enter(806b5d1c,0,806b66d6,f9fe3b7c,84f95510,...) at kdb_enter+0x30
> > panic(806b66d6,9,806b6699,15a,84f8d510,...) at panic+0x14e
> > mi_switch(1,0,806b98ac,285,80730ed4,...) at mi_switch+0xdb
> > turnstile_wait(8072ab08,84f8d510,0,166,84f8d512,...) at turnstile_wait+0x4c5
> > _mtx_lock_sleep(8072ab08,84f95510,0,806b653d,171,...) at _mtx_lock_sleep+0x18a
> > _mtx_lock_flags(8072ab08,0,806b653d,171,93,...) at _mtx_lock_flags+0xc8
> > _sx_assert(85198cac,4,84f41a97,36,0,...) at _sx_assert+0x10b
> > _sx_xunlock(85198cac,84f41a97,36,93,85198cac,...) at _sx_xunlock+0x28
> > cv_timedwait(85198d64,85198cac,1388,5f,0,...) at cv_timedwait+0xd2
> > txg_thread_wait(85198d64,5,85198d5c,85198d54,85198d64,...) at txg_thread_wait+0x3f
> > txg_timelimit_thread(85198c00,f9fe3d38,806b2c0a,328,84f99900,...) at txg_timelimit_thread+0x75
> > fork_exit(84f083c0,85198c00,f9fe3d38) at fork_exit+0xd1
> > fork_trampoline() at fork_trampoline+0x8
> > --- trap 0x1, eip = 0, esp = 0xf9fe3d6c, ebp = 0 ---
> > db> 
> > - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
> 
> Not necessarily, it could be a bug in my Solaris compatible convar(9)
> based on sx(9) locks.

This was my bug and should be fixed now.

-- 
Pawel Jakub Dawidek                       http://www.wheel.pl
pjd at FreeBSD.org                           http://www.FreeBSD.org
FreeBSD committer                         Am I Evil? Yes, I Am!
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