Re: nfsd panic

On Mar 20, 2014, at 9:22 PM, Alexander Motin <[e-mail]> wrote:

> On 20.03.2014 17:08, John Baldwin wrote:
>> On Thursday, March 20, 2014 8:35:37 am Daniel Braniss wrote:
>>> this host has been doing fine, but today it=92s constantly crashing in =
nfsd
>>> it=92s exporting a 32TB zfs via nfs, to several hungry hosts
>>> any help is appreciated since this is a production server and some user=
 are
>>> not very happy :-)
>>> =

>>> http://www.cs.huji.ac.il/~danny/core.txt.7
>> =

>> I think the pool->sp_lock mutex is not locked.  Can you go to frame 8 in=
 kgdb
>> and do 'p *m=92?

(kgdb) frame 8
#8  0xffffffff808cf25a in _mtx_unlock_sleep (m=3D0xfffffe002c132400, =

    opts=3D<value optimized out>, file=3D<value optimized out>, =

    line=3D<value optimized out>) at /r+d/stable/9/sys/kern/kern_mutex.c:716
716     /r+d/stable/9/sys/kern/kern_mutex.c: No such file or directory.
        in /r+d/stable/9/sys/kern/kern_mutex.c
(kgdb) p *m
$1 =3D {lock_object =3D {lo_name =3D 0xffffffff80f5d757 "sp_lock", =

    lo_flags =3D 16973824, lo_data =3D 0, lo_witness =3D 0x0}, mtx_lock =3D=
 4}
> =

> Daniel, your system looks like updated on February 2, but there was alike=
 bug fixed in stable/9 on February 7 (r261578). Please try to update your s=
ystem.
> =

I did and now it=92s ok again - though will have to wait till traffic picks=
 up again next week
thanks,
	danny

> -- =

> Alexander Motin

thanks to you all,
	danny

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