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Date: Sat, 06 Oct 2001 20:25:29 -0700
From: Andrew Morton <akpm@zip.com.au>
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To: Bob McElrath <mcelrath@draal.physics.wisc.edu>
CC: Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: Linux 2.4.11-pre4, extremely long umount times
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Bob McElrath wrote:
> 
> I'm running 2.4.11-pre4 with the ext3 patch and Andrew Morton's low-latency
> patch on an alpha LX164.
> 
> umount times are extremely long (> 30 minutes) for both ext2 and ext3
> filesystems, though they eventually succeed.
> 
> Is this a known problem?
> 

Nope.  It's possible to get swapoff durations of many minutes,
but I don't think similar problems with unmount have been reported.
Is there any disk activity?  ps and top output?  Any theories?

BTW: I'm faintly surprised to hear that ext3 actually works in
2.4.11-pre4.  Quite a lot of things with which ext3 has an intimate
relationship were changed....
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