The following reply was made to PR kern/46221; it has been noted by GNATS.
From: Matthias Scheler <
tron@...>
To: "J. Hannken-Illjes" <
hannken@...>
Cc: NetBSD GNATS <
gnats-bugs@...>
Subject: Re: kern/46221: Kernel panic in NFS server code
Date: Wed, 21 Mar 2012 16:27:55 +0000
On Wed, Mar 21, 2012 at 04:13:03PM +0100, J. Hannken-Illjes wrote:
> Please add an vprint() call so we get more details for this vnode.
Done. The patch now looks like this:
Index: sys/ufs/ufs/ufs_vfsops.c
===================================================================
RCS file: /cvsroot/src/sys/ufs/ufs/ufs_vfsops.c,v
retrieving revision 1.50
diff -u -r1.50 ufs_vfsops.c
--- sys/ufs/ufs/ufs_vfsops.c 1 Feb 2012 05:34:43 -0000 1.50
+++ sys/ufs/ufs/ufs_vfsops.c 21 Mar 2012 16:25:47 -0000
@@ -223,7 +223,9 @@
return (error);
}
ip = VTOI(nvp);
- if (ip->i_mode == 0 || ip->i_gen != ufhp->ufid_gen) {
+ if (ip == NULL || ip->i_mode == 0 || ip->i_gen != ufhp->ufid_gen) {
+ if (ip == NULL)
+ vprint("ufs_fhtovp: ip == NULL on vp %p\n", nvp);
vput(nvp);
*vpp = NULLVP;
return (ESTALE);
[Hmm, the "on vp %p" stuff is bogus but won't hurt.]
Kind regards
--
Matthias Scheler
http://zhadum.org.uk/
