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Message-ID: <20070918103916.GV23367404@sgi.com> Date: Tue, 18 Sep 2007 20:39:16 +1000 From: David Chinner <dgc@....com> To: Christoph Hellwig <hch@...radead.org>, David Chinner <dgc@....com>, Justin Piszcz <jpiszcz@...idpixels.com>, linux-kernel@...r.kernel.org, xfs@....sgi.com Subject: Re: 2.6.20 (XFS? related) crash after uptime of > 180 days during apt-get dist-upgrade on Debian Testing On Tue, Sep 18, 2007 at 10:20:13AM +0100, Christoph Hellwig wrote: > On Tue, Sep 18, 2007 at 11:45:37AM +1000, David Chinner wrote: > > No idea - it looks like dkpg was trying to remove a directory on the > > same path the lookup was and both have gone splat in __d_lookup on > > the same dentry. Something happened in those 180 days that left a > > landmine that was tripped over here, I think. I can't see any way of > > tracking it down from this, but thanks for reporting it anyway, > > This looks a lot like the i_sem leak that Vlad debugged. Do you remember > where this was fixed? The i_sem leak was hitting us on sles9 - 2.6.5 base kernel - and it was fixed before the i_sem -> i_mutex conversion in mainline. Some time around 2.6.16, IIRC. Given this was a 2.6.20 kernel, there'd be an almighty kaboom if that bug still existed after the i_mutex conversion.... Cheers, Dave. -- Dave Chinner Principal Engineer SGI Australian Software Group - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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