From: Dave Young <hidave.darkstar@gmail.com>
To: Avi Kivity <avi@redhat.com>
Cc: Jan Kiszka <jan.kiszka@web.de>,
kvm@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [BUG] kvm: guest can not startup due to triple fault
Date: Mon, 18 Oct 2010 21:45:08 +0800 [thread overview]
Message-ID: <20101018134508.GA11885@darkstar> (raw)
In-Reply-To: <4CBC4B06.3030300@redhat.com>
On Mon, Oct 18, 2010 at 03:26:30PM +0200, Avi Kivity wrote:
> On 10/18/2010 02:58 PM, Dave Young wrote:
> >>
> >> It's secondary_startup_64 enabling efer.sce and efer.nx.
> >>
> >> Dave, please post your /proc/cpuinfo. Is your host running with NX
> >> disabled?
> >
> >I see nx bit in /proc/cpuinfo, Actually I don't know how to disable it.
>
> Strange.
>
> Please patch arch/x86/kvm/x86.c to printk efer_reserved_bits (a
> global), efer (an argument) and old_efer (a local), and post the
> results.
I add printk before kvm_mmu_reset_context(vcpu), correct? get following value:
[ 3228.468325] efer_reserved_bits = 0xfffffffffffffafe
[ 3228.468328] efer = 0x100
[ 3228.468330] old_efer = 0x0
next prev parent reply other threads:[~2010-10-18 13:44 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-17 8:54 [BUG] kvm: guest can not startup due to triple fault Dave Young
2010-10-17 8:56 ` Dave Young
2010-10-17 9:34 ` Avi Kivity
2010-10-17 10:14 ` Dave Young
2010-10-17 12:15 ` Avi Kivity
2010-10-18 4:43 ` Dave Young
2010-10-18 7:14 ` Jan Kiszka
2010-10-18 8:55 ` Avi Kivity
2010-10-18 8:58 ` Avi Kivity
2010-10-18 12:26 ` Steven Rostedt
2010-10-18 12:27 ` Avi Kivity
2010-10-18 9:15 ` Avi Kivity
2010-10-18 12:58 ` Dave Young
2010-10-18 13:26 ` Avi Kivity
2010-10-18 13:45 ` Dave Young [this message]
2010-10-18 13:46 ` Avi Kivity
2010-10-18 13:50 ` Avi Kivity
2010-10-18 13:58 ` Dave Young
2010-10-18 14:06 ` Avi Kivity
2010-10-18 14:11 ` Dave Young
2010-10-18 14:13 ` Avi Kivity
2010-10-18 14:15 ` Dave Young
2010-10-18 14:17 ` Dave Young
2010-10-18 14:19 ` Avi Kivity
2010-10-18 14:25 ` Dave Young
2010-10-18 14:28 ` Avi Kivity
2010-10-18 18:47 ` H. Peter Anvin
2010-10-19 1:19 ` Dave Young
2010-10-19 2:59 ` H. Peter Anvin
2010-10-19 6:55 ` Dave Young
2010-10-19 8:57 ` Avi Kivity
2010-10-19 11:52 ` Dave Young
2010-10-19 14:56 ` H. Peter Anvin
2010-10-19 15:04 ` Avi Kivity
2010-10-19 15:31 ` H. Peter Anvin
2010-10-18 13:51 ` Dave Young
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