Date: Thu, 18 Aug 2005 13:15:51 +0200 From: Bernd Walter <ticso@cicely12.cicely.de> To: harrisb@rcisd.org Cc: freebsd-alpha@freebsd.org Subject: Re: machine check on 4100 5.4-RELEASE Message-ID: <20050818111551.GP77387@cicely12.cicely.de> In-Reply-To: <OF7EA129AB.EFF566C0-ON86257060.007639EE-86257060.00780008@rcisd.org> References: <OF7EA129AB.EFF566C0-ON86257060.007639EE-86257060.00780008@rcisd.org>
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On Wed, Aug 17, 2005 at 04:53:28PM -0500, harrisb@rcisd.org wrote: > All of a sudden, I'm getting regular crashes with machine check's. > > I've pulled one of the 533 CPU's, which didn't help, and now am > wondering if it's possible that my instance of Mysql with all it's > unaligned errors > could possibly cause it crash? I've stopped the mysql daemon for a > while just to see if it stabilizes. Anyone have any ideas? > > It will crash after it's been up for days, and then immediately after > reboot. Details about the machine checks would be interesting. Unaligned errors in userland are corrected or the appplication is terminated, depending on configuration. Only unaligned faults inside the kernel are fatal. > I keep thinking hardware, but all the srm test fine. Hard- and software is possible, but without further details this is hard to say. -- B.Walter BWCT http://www.bwct.de bernd@bwct.de info@bwct.de
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