Date: Tue, 19 May 1998 10:43:27 -0500 (CDT) From: Kevin Day <toasty@home.dragondata.com> To: Tor.Egge@idi.ntnu.no (Tor Egge) Cc: current@FreeBSD.ORG Subject: Re: SMP related panic on reboot Message-ID: <199805191543.KAA00412@home.dragondata.com> In-Reply-To: <199805141615.SAA21189@pat.idi.ntnu.no> from Tor Egge at "May 14, 98 06:15:46 pm"
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This patch appears to work - can anyone else test it?
Kevin
> >
> > 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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