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Date: Tue, 2 Nov 2004 00:35:37 -0500
From: Brian Fundakowski Feldman <green@FreeBSD.org>
To: tarcieri@pdtp.org
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cc: freebsd-current@www.freebsd.org
Subject: Re: FreeBSD 5.3-RC1 loopback filesystem + quota hangups
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On Sun, Oct 31, 2004 at 02:31:44PM -0700, Tony Arcieri wrote:
> Any process attempting to access loopback filesystem created with dd
> if=/dev/zero, configured with mdconfig -a -t vnode -f file,
> initialized with newfs, and mounted with the userquota option on
> FreeBSD 5.3-RC1 hangs in the D state.
> 
> Hand specifying a userquota=/anywhere/outside/the/loopback/filesystem
> however, seems to work fine.  Is there any way to allow the default
> quota.user and quota.group to be located in the root directory of the
> loopback filesystem itself without experiencing these D state hangups?

Can you do a traceback from DDB of the affected processes?  That's
usually the easiest way to locate the source of a deadlock.

-- 
Brian Fundakowski Feldman                           \'[ FreeBSD ]''''''''''\
  <> green@FreeBSD.org                               \  The Power to Serve! \
 Opinions expressed are my own.                       \,,,,,,,,,,,,,,,,,,,,,,\