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Date: Wed, 17 Jun 2009 12:54:02 -0700
From: Chris Wright <chrisw@sous-sol.org>
To: Jeff Chua <jeff.chua.linux@gmail.com>
Cc: lkml <linux-kernel@vger.kernel.org>
Subject: Re: 2.6.30 - kernel BUG at lib/kernel_lock.c:126!
Message-ID: <20090617195402.GA19771@sequoia.sous-sol.org>
References: <b6a2187b0906170855t5dc7c0c1q48b3c7dca4254594@mail.gmail.com>
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* Jeff Chua (jeff.chua.linux@gmail.com) wrote:
> Executing "mount -o remount -r" on a busy reiserfs filesystem causes
> the following oops.
> 
> Sync will just hang after this oops. Happens on 2.6.30.
> 
> If there's no activity on the partition, sync, sync, and remount as
> read-only will be ok. No oops.

This fix is queued up in viro's tree already.

http://git.kernel.org/?p=linux/kernel/git/viro/vfs-2.6.git;a=commit;h=b0895513f499b8f786d292ce48589ca210ca1d6e

thanks,
-chris