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Date: Sat, 14 Nov 2009 11:36:50 +0200
From: Andriy Gapon <avg@icyb.net.ua>
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To: Kai Gallasch <gallasch@free.de>
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Cc: freebsd-current@freebsd.org
Subject: Re: 8.0RC2 amd64 - kernel panic running make buildworld
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on 14/11/2009 03:21 Kai Gallasch said the following:
> Hi. The patch did help for surviving a makeworld.
> 
> But now I have another machine check exception with this server. It
> happened with your patch active, and vm.pmap.pg_ps_enabled="1". I
> copied data from a remote server by NFS mount to the instable server.
> Destination was a local ZFS filesystem.
> 
> ----------------
> 
> sonnenkraft:~ # MCA: CPU 7 UNCOR PCC OVER DTLB L1 error
> MCA: Address 0xff800d860000

It's interesting because the same happened to me too, only in my case it was
zpool scrub that triggered it.
I will try to look into this further.

-- 
Andriy Gapon