From owner-freebsd-hackers  Tue Mar 26  4:51:12 2002
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Date: Tue, 26 Mar 2002 07:50:45 -0500
From: Michael Lucas <mwlucas@blackhelicopters.org>
To: Apache Man <apache@ukr.net>
Cc: hackers@FreeBSD.ORG
Subject: Re: kernel panic: vm_object_reference
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References: <E16pmFN-0006U5-00@storage.ukr.net>
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In-Reply-To: <E16pmFN-0006U5-00@storage.ukr.net>; from apache@ukr.net on Tue, Mar 26, 2002 at 10:24:01AM +0200
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Hello,

Forcibly unmounting a file system that is in use will panic your
system.   It's not exactly a bug, it's just how it works.  :)

On Tue, Mar 26, 2002 at 10:24:01AM +0200, Apache Man wrote:
>         Hi.
> 
> As i informed you earler the bug exists in freebsd 4.5.
> Kernel panics with `vm_object_reference: delay in getting object'
> when i copy files from a partition and at the same time dismount
> this partition (umount -f /cdrom).
> 
> The sutuation is following.
> I mount /cdrom. Then start too many `cp' processes that copy
> some files from /cdrom. In other tty i umount -f /cdrom and
> kernel panics.
> 
> Sorry if it's known bug.
> 
> -- 
> email: apache@ukr.net
> 
> 
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-- 
Michael Lucas		mwlucas@FreeBSD.org, mwlucas@BlackHelicopters.org
my FreeBSD column: http://www.oreillynet.com/pub/q/Big_Scary_Daemons

http://www.blackhelicopters.org/~mwlucas/

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