linux-kernel - Re: [BUG] kvm: guest can not startup due to triple fault

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Message-ID: <20101019115200.GA2524@darkstar>
Date:	Tue, 19 Oct 2010 19:52:00 +0800
From:	Dave Young <hidave.darkstar@...il.com>
To:	Avi Kivity <avi@...hat.com>
Cc:	"H. Peter Anvin" <hpa@...or.com>, Ingo Molnar <mingo@...e.hu>,
	Jan Kiszka <jan.kiszka@....de>, kvm@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [BUG] kvm: guest can not startup due to triple fault

On Tue, Oct 19, 2010 at 10:57:51AM +0200, Avi Kivity wrote:
>  On 10/19/2010 08:55 AM, Dave Young wrote:
> >>  OK.  Please install msr-tools on your system, and give us the outputs of:
> >>
> >>  rdmsr -p 0 -xc 0x1a0
> >0x1764952489
> >
> >>  rdmsr -p 1 -xc 0x1a0
> >0x1364952489
> >
> 
> That's MSR_IA32_MISC_ENABLE_XD_DISABLE.  Looks like the kernel never
> plays with it.

Hope someone can fix this. IMO we should not depends on bios setting

> 
> Suggest:
> - updating your BIOS
> - playing with the NX feature in your BIOS setup screens

Enable the XD in bios resolved the problem. Thanks you all for the help.

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