8.0RC2 amd64 - kernel panic running make buildworld

[Kostik Belousov]

On Sat, Nov 14, 2009 at 11:36:50AM +0200, Andriy Gapon wrote:
> 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.

Address is interesting. It is in canonical form, but only for 56-bit
implementation. I thought that all existing CPU are 48-bits.
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