FreeBSD 8.0-BETA2/amd64 crashes on SMP under load

[Anton Shterenlikht]

On Thu, Jul 30, 2009 at 03:46:30PM +0400, Kamigishi Rei wrote:
> 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.

Could you please elaborate on this?

thank you

-- 
Anton Shterenlikht
Room 2.6, Queen's Building
Mech Eng Dept
Bristol University
University Walk, Bristol BS8 1TR, UK
Tel: +44 (0)117 928 8233 
Fax: +44 (0)117 929 4423