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Date:      Wed, 25 Jan 2006 17:53:45 +0200
From:      Niki Denev <nike_d@cytexbg.com>
To:        freebsd-stable@freebsd.org
Subject:   Re: diskio / filesystem related deadlock on SMP 6.0-STABLE machine.
Message-ID:  <43D79F09.7090505@cytexbg.com>
In-Reply-To: <200601202003.30336.nike_d@cytexbg.com>
References:  <200601202003.30336.nike_d@cytexbg.com>

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Niki Denev wrote:
> 
[...]

I received off the list suggestion to try a patch from -CURRENT for
vfs_lookup.c. I think that this patch is already commited to -STABLE,
and so i rebuilt my kernel and world again today, but the problem is
still here.
The machine deadlocked very hard this time, it even stopped responding
to ping requests.
This time i was rsyncing this monstrous imap mailbox (about 8G),
and ran several times "du -sh Maildir" on the target machine,
everything looked ok, and then i decided to run "iostat" and when i
pressed enter the shell freezed.

I will try to setup debugger on the serial console tomorrow to see
if i can get some useful info.
I'm open to suggestions on how to debug this :)

Thanks,

Niki
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