linux-kernel - Re: Hang when shutting down - seems umount and NFS related

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Message-ID: <45E36AEB.7030800@redhat.com>
Date:	Mon, 26 Feb 2007 18:19:07 -0500
From:	Chuck Ebbert <cebbert@...hat.com>
To:	Jesper Juhl <jesper.juhl@...il.com>
CC:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	nfs@...ts.sourceforge.net
Subject: Re: Hang when shutting down - seems umount and NFS related - kernel
 version 2.6.18.1

Jesper Juhl wrote:
> I have a server that has the sole job of serving up a bunch of NFS
> filesystems to webservers. The server is running kernel 2.6.18.1
> 
> A few days ago when attempting to reboot the server, the shutdown
> process hung with a backtrace on the console. A photo was taken and is
> available here:
>  http://www.kernel.org/pub/linux/kernel/people/juhl/images/DSC00504.jpg
> 
> A quick (incomplete) text transcript of the photo is here:
> 
> EIP: [<c01a51a0>] nfs_clear_inode+0x61/0x6b SS:ESP 0068:eb476ee4
> BUG: warning at kernel/exit.c:855/do_exit()

The real oops has scrolled off the screen.

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