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Date:      Sat, 14 Nov 2009 12:55:08 +0200
From:      Andriy Gapon <avg@icyb.net.ua>
To:        Kostik Belousov <kostikbel@gmail.com>
Cc:        freebsd-current@freebsd.org, Kai Gallasch <gallasch@free.de>
Subject:   Re: 8.0RC2 amd64 - kernel panic running make buildworld
Message-ID:  <4AFE8C8C.2010609@icyb.net.ua>
In-Reply-To: <20091114102335.GM2331@deviant.kiev.zoral.com.ua>
References:  <1031257439203@webmail57.yandex.ru> <hdc73v$4rt$1@ger.gmane.org> <941257966918@webmail42.yandex.ru> <200911111504.14906.jhb@freebsd.org> <20091112195932.5875387e@orwell.free.de> <4AFD140D.7010407@icyb.net.ua> <20091113144804.2c0fb90f@orwell.free.de> <4AFD655E.5020801@icyb.net.ua> <20091114022121.217dd831@orwell.free.de> <4AFE7A32.7060203@icyb.net.ua> <20091114102335.GM2331@deviant.kiev.zoral.com.ua>

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on 14/11/2009 12:23 Kostik Belousov said the following:
> 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.

Umm, actually it seems to be a 6-byte value.

-- 
Andriy Gapon



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