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Date: Thu, 30 Jul 2009 15:46:30 +0400
From: Kamigishi Rei <spambox@haruhiism.net>
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To: Anton Shterenlikht <mexas@bristol.ac.uk>
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Cc: freebsd-current@freebsd.org, Alexandre Sunny Kovalenko <gaijin.k@gmail.com>,
	freebsd-ia64@freebsd.org
Subject: Re: FreeBSD 8.0-BETA2/amd64 crashes on SMP under load
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Anton Shterenlikht wrote:
> # savecore -vC
> unable to open bounds file, using 0
> checking for kernel dump on device /dev/mirror/swap
> mediasize = 2147483136
> sectorsize = 512
> magic mismatch on last dump header on /dev/mirror/swap
> No dump exists
> #
> dumpdev wasn't configured..
> I've configured it now, will try crash dump next time.
>   

Keep in mind, however, that you won't get a valid dump if your dumpdev 
is on a GEOM_MIRROR device.

--
Kamigishi Rei
KREI-RIPE