From owner-freebsd-current@FreeBSD.ORG  Sat Aug 16 13:15:41 2003
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To: Tilman Linneweh <tilman@arved.de>
From: "Poul-Henning Kamp" <phk@phk.freebsd.dk>
In-Reply-To: Your message of "Sat, 16 Aug 2003 14:37:38 +0200."
             <1061037457.23643.53.camel@sauna.arved.de> 
Date: Sat, 16 Aug 2003 22:15:31 +0200
Message-ID: <22288.1061064931@critter.freebsd.dk>
cc: freebsd-current@freebsd.org
Subject: Re: Panic on my NFS server: Consumer with zero access count in
	g_dev_strategy 
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In message <1061037457.23643.53.camel@sauna.arved.de>, Tilman Linneweh writes:
>Hi,
>
>Today I did something stupid. I umount'ed a filesystem of my NFS Server,
>while an NFS client was writing to it.

This is a pretty evil bug, the panic correctly stops UFS/FFS from
writing to the disk device after it has been closed.  I am not sure
how this is possible, the mountpoint should be long gone etc.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.