kern/126287: [ufs] [panic] Kernel panics while mounting an UFS filesystem with snapshot enabled

[Kostik Belousov]

The following reply was made to PR kern/126287; it has been noted by GNATS.

From: Kostik Belousov <kostikbel at gmail.com>
To: Mateusz Guzik <mjguzik at gmail.com>
Cc: freebsd-fs at freebsd.org, bug-followup at freebsd.org
Subject: Re: kern/126287: [ufs] [panic] Kernel panics while mounting an UFS filesystem with snapshot enabled
Date: Wed, 6 Aug 2008 16:34:41 +0300

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 On Wed, Aug 06, 2008 at 10:20:05AM +0000, Mateusz Guzik wrote:
 > The following reply was made to PR kern/126287; it has been noted by GNAT=
 S.
 >=20
 > From: "Mateusz Guzik" <mjguzik at gmail.com>
 > To: bug-followup at freebsd.org
 > Cc: =20
 > Subject: Re: kern/126287: [ufs] [panic] Kernel panics while mounting an U=
 FS filesystem with snapshot enabled
 > Date: Wed, 6 Aug 2008 12:15:00 +0200
 >=20
 >  Something weird happened to my attachment, I'll paste it here:
 > =20
 >  --- sys/kern/vfs_mount.c.orig	2008-08-06 11:14:16.000000000 +0200
 >  +++ sys/kern/vfs_mount.c	2008-08-06 11:14:32.000000000 +0200
 >  @@ -196,10 +196,13 @@
 >   void
 >   vfs_deleteopt(struct vfsoptlist *opts, const char *name)
 >   {
 >   	struct vfsopt *opt, *temp;
 > =20
 >  +	if (opts =3D=3D NULL)
 >  +		return;
 >  +
 >   	TAILQ_FOREACH_SAFE(opt, opts, link, temp)  {
 >   		if (strcmp(opt->name, name) =3D=3D 0)
 >   			vfs_freeopt(opts, opt);
 >   	}
 >   }
 > =20
 >  Again, it should work fine ;)
 > =20
 >  Thanks,
 >  --
 >  Mateusz Guzik
 
 The PR lacks the backtrace (preferrable the ddb output or "bt full" from
 kgdb) for the panic. Please, show me the backtrace.
 
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