Date: Thu, 14 May 1998 18:15:46 +0200 From: Tor Egge <Tor.Egge@idi.ntnu.no> To: toasty@home.dragondata.com Cc: current@FreeBSD.ORG Subject: Re: SMP related panic on reboot Message-ID: <199805141615.SAA21189@pat.idi.ntnu.no> In-Reply-To: Your message of "Wed, 13 May 1998 23:57:28 -0500 (CDT)" References: <199805140457.XAA14634@home.dragondata.com>
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>
> I booted a machine, realized I had forgotten something, and rebooted it
> instantly after it was done booting.. It panic'ed during the reboot. This is
> a kernel from ~Feb 25th.
>
> Any questions/ideas?
>
>
> boot() called on cpu#0
>
> syncing disks... 3 3 3 1 done
> panic: lockmgr: pid 195, not exclusive lock holder 1 unlocking
The following patch might help.
Index: vfs_subr.c
===================================================================
RCS file: /home/ncvs/src/sys/kern/vfs_subr.c,v
retrieving revision 1.152
diff -u -r1.152 vfs_subr.c
--- vfs_subr.c 1998/04/19 23:32:03 1.152
+++ vfs_subr.c 1998/04/24 23:42:45
@@ -2149,9 +2159,13 @@
vfs_unmountall()
{
struct mount *mp, *nmp;
- struct proc *p = initproc; /* XXX XXX should this be proc0? */
+ struct proc *p;
int error;
+ if (curproc)
+ p = curproc;
+ else
+ p = initproc; /* XXX XXX should this be proc0? */
/*
* Since this only runs when rebooting, it is not interlocked.
*/
- Tor Egge
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