linux-kernel - Re: 2.6.20 (XFS? related) crash after uptime of > 180 days during apt-get dist-upgrade on Debian Testing

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Message-ID: <20070918110957.GA5385@infradead.org>
Date:	Tue, 18 Sep 2007 12:09:57 +0100
From:	Christoph Hellwig <hch@...radead.org>
To:	David Chinner <dgc@....com>
Cc:	Christoph Hellwig <hch@...radead.org>,
	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 08:39:16PM +1000, David Chinner wrote:
> 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....

We didn't fix it before the i_mutex conversion - I saw the mutex debugging
messages after the i_mutex conversion, but didn't see the corelation.
Probably still long before 2.6.22, though.

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