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From: James Pearson <james-p@moving-picture.com>
To: Thomas Moestl <moestl@ibr.cs.tu-bs.de>
Cc: linux-kernel@vger.kernel.org
Subject: Re: umount() and NFS races in 2.4.26
Date: Fri, 09 Jul 2004 16:00:50 +0100	[thread overview]
Message-ID: <40EEB322.40002@moving-picture.com> (raw)

Thomas Moestl:
 >after deploying an SMP machine at work, we started to experience Oopses
 >in file-system related code relatively frequently. Investigation
 >revealed that they were caused by references using junk pointers from
 >freed super blocks via dangling inodes from unmounted file systems;
 >Oopses would always be preceded by the warning
 > VFS: Busy inodes after unmount. Self-destruct in 5 seconds.  Have a 
nice day...
 >on an unmount (unmount activity is high on this machine due to heavy 
 >use of the automounter).

Are you using the latest autofs4 kernel patches?

I had a similar problem - see the thread at:

http://marc.theaimsgroup.com/?l=linux-nfs&m=108515468003933&w=2

The latest autofs4 patches fixed it for me - available from:

http://www.kernel.org/pub/linux/daemons/autofs/v4

James Pearson

             reply	other threads:[~2004-07-09 15:00 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-07-09 15:00 James Pearson [this message]
  -- strict thread matches above, loose matches on Subject: below --
2004-07-08 18:07 umount() and NFS races in 2.4.26 Thomas Moestl
2004-07-09 14:32 ` Marcelo Tosatti
2004-07-10 21:38   ` Trond Myklebust
2004-07-11  0:32     ` viro
2004-07-10  6:57 ` raven
2004-07-10 18:19   ` Thomas Moestl
2004-07-10 19:25     ` raven
2004-07-10 19:50       ` Thomas Moestl
2004-07-11 10:16     ` raven

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