linux-kernel - Re: 2.6.22-rc1-mm1: strange GPF when panicing under kvm

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Message-ID: <464C9126.3090907@qumranet.com>
Date:	Thu, 17 May 2007 20:30:14 +0300
From:	Avi Kivity <avi@...ranet.com>
To:	Jeremy Fitzhardinge <jeremy@...p.org>
CC:	Andi Kleen <ak@...e.de>, Andrew Morton <akpm@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: 2.6.22-rc1-mm1: strange GPF when panicing under kvm

Jeremy Fitzhardinge wrote:
> Avi Kivity wrote:
>   
>> (that msr can force trapping of the pause instruction, even though
>> there's no good reason to do it, and kvm wouldn't inject a gp if it
>> did anyway).
>>     
>
> Hm, yeah, its strange; clearly its running "pause" in normal use, so it
> can't be the instuction itself which is causing the problem.  The MSR is
> 7781fffe0401e172 btw.
>   

That means pause isn't set for interception.

I ran a small test program, and it liked pause as well.

Can you send me your vmlinuz?  I wasn't able top reproduce the problem 
with mine.

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

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