The following reply was made to PR kern/46221; it has been noted by GNATS.
From: Matthias Scheler <
tron@...>
To: Manuel Bouyer <
bouyer@...>
Cc: NetBSD GNATS <
gnats-bugs@...>
Subject: Re: kern/46221: Kernel panic in NFS server code
Date: Sun, 18 Mar 2012 22:32:25 +0000
On Sun, Mar 18, 2012 at 07:16:28PM +0100, Manuel Bouyer wrote:
> (gdb) l *(ffs_fhtovp+0x55)
> 0xffffffff801af684 is in ffs_fhtovp (/usr/src/sys/ufs/ffs/ffs_vfsops.c:1907).
> 1902 /usr/src/sys/ufs/ffs/ffs_vfsops.c: No such file or directory.
> in /usr/src/sys/ufs/ffs/ffs_vfsops.c
>
> But this is at the very end of ffs_fhtovp(). I don't know if ddb is somewhat
> confused when computing the stack trace, or something else.
>
> (gdb) x/i ffs_fhtovp+0x55
> 0xffffffff801af684 <ffs_fhtovp+85>: leaveq
> (gdb) disas ffs_fhtovp
> [...]
> 0xffffffff801af67f <+80>: callq 0xffffffff8042b0f3 <ufs_fhtovp>
> 0xffffffff801af684 <+85>: leaveq
> 0xffffffff801af685 <+86>: retq
>
> Either ddb skipped the call to ufs_fhtovp (and so the place where it
> crashed in ufs_fhtovp) or the stack is corrupted.
> The exact trap message from ddb and the register dump would be usefull.
I'll try to get that the next time.
Kind regards
--
Matthias Scheler
http://zhadum.org.uk/
