From owner-freebsd-ia64@FreeBSD.ORG  Sun Jul  1 18:28:47 2012
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From: Marcel Moolenaar <marcel@xcllnt.net>
In-Reply-To: <20120629104013.GA18398@mech-cluster241.men.bris.ac.uk>
Date: Sun, 1 Jul 2012 11:28:04 -0700
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References: <20120629104013.GA18398@mech-cluster241.men.bris.ac.uk>
To: Anton Shterenlikht <mexas@bristol.ac.uk>
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Cc: freebsd-current@freebsd.org, freebsd-ia64@freebsd.org
Subject: Re: ia64 r235474 panic on dump 0aLuf - / | restore -rf - :
	exclusive sleep mutex vnode interlock (vnode interlock) r = 0
	(0xe00000001238f6e8) locked @ /usr/src/sys/kern/vfs_hash.c:79
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On Jun 29, 2012, at 3:40 AM, Anton Shterenlikht wrote:

> # newfs /dev/da2p2
> /dev/da2p2: 16384.0MB (33554432 sectors) block size 32768, fragment =
size 4096
>        using 27 cylinder groups of 626.09MB, 20035 blks, 80256 inodes.
> super-block backups (for fsck -b #) at:
> 192, 1282432, 2564672, 3846912, 5129152, 6411392, 7693632, 8975872, =
10258112, 11540352, 12822592,
> 14104832, 15387072, 16669312, 17951552, 19233792, 20516032, 21798272, =
23080512, 24362752,
> 25644992, 26927232, 28209472, 29491712, 30773952, 32056192, 33338432
> # mount /dev/da2p2 /mnt
> # cd /mnt
> # dump 0aLuf - / | restore -rf -
>=20
> results in this panic:
>=20
> KDB: stack backtrace:
> getenv with the following non-sleepable locks held:
> exclusive sleep mutex vnode interlock (vnode interlock) r =3D 0 =
(0xe00000001238f6e8) locked @ /usr/src/sys/kern/vfs_hash.c:79
> KDB: stack backtrace:
> getenv with the following non-sleepable locks held:
> exclusive sleep mutex vnode interlock (vnode interlock) r =3D 0 =
(0xe00000001238f6e8) locked @ /usr/src/sys/kern/vfs_hash.c:79
> KDB: stack backtrace:
> getenv with the following
> non-sleepablefatal kernel trap (cpu 0):
> locks held:

I think you're kernel is seriously screwed-up. Do you have any
non-standard (for ia64) kernel configuration options?

--=20
Marcel Moolenaar
marcel@xcllnt.net