From mboxrd@z Thu Jan  1 00:00:00 1970
From: Avi Kivity <avi@redhat.com>
Subject: Re: percpu crash on NetBurst
Date: Wed, 21 Sep 2011 18:49:24 +0300
Message-ID: <4E7A0784.1040602@redhat.com>
References: <4E3EB013.5000001@redhat.com> <20110808095517.GH23937@htj.dyndns.org> <4E79F477.2050102@redhat.com>
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Cc: linux-kernel <linux-kernel@vger.kernel.org>,
	KVM list <kvm@vger.kernel.org>, Ingo Molnar <mingo@elte.hu>
To: Tejun Heo <tj@kernel.org>
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On 09/21/2011 05:28 PM, Avi Kivity wrote:
>
> Coming back to this, the trigger if cpuid family=6 and model>=13 
> (model 12 works).  Looks like the code disables rep_good is some MSR 
> doesn't have the expected value.  While we should configure the MSR 
> correctly, it looks like the fallback code for !rep_good is broken.  
> Will look further.
>

Ok, without rep_good, memcpy() sometimes copies backwards.  A stale copy 
of memmove_64.c I had around got picked up instead of memmove_64.S; that 
memmove() used memcpy() in the copy-forward case.

So, nothing to see, sorry about the noise.

-- 
error compiling committee.c: too many arguments to function