Date: Fri, 27 Nov 2009 12:45:03 +0000 From: Conor McDermottroe <ports@mcdermottroe.com> To: Attilio Rao <attilio@freebsd.org> Cc: freebsd-threads@freebsd.org Subject: Re: threads/135673: databases/mysql50-server - MySQL query lock-ups on 7.2-RELEASE amd64 Message-ID: <20091127124503.GA3853@mcdermottroe.com> In-Reply-To: <3bbf2fe10911240753i4fe41b74j760cbcd88a096b8d@mail.gmail.com> References: <200911241550.nAOFo3WM032896@freefall.freebsd.org> <3bbf2fe10911240753i4fe41b74j760cbcd88a096b8d@mail.gmail.com>
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On Tue, Nov 24, 2009 at 04:53:36PM +0100, Attilio Rao wrote: > My last findings were revealing a sudden zeroing of userland > structures where a lock was embedded, leaving some waiters on such > locks stuck in the kernel. > I think this is a MySQL bug and I feel to suggest you to upgrade to > newest MySQL versions. I'll experiment with MySQL 5.1 on our new FreeBSD 8.0 machine and see if I can trigger the bug on that. Is there anything specific I can do to gather information for you when I'm testing that? -Conor
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