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From: Avi Kivity <avi@redhat.com>
To: Neo Jia <neojia@gmail.com>
Cc: ewheeler <kvm@ew.ewheeler.org>, kvm@vger.kernel.org
Subject: Re: how to debug unhandled vm exit: 0x11?
Date: Fri, 01 Oct 2010 16:29:25 +0200	[thread overview]
Message-ID: <4CA5F045.4010308@redhat.com> (raw)
In-Reply-To: <AANLkTimdwyL07KwOA4LEvB=ETizd5cV+OboF58wycLUv@mail.gmail.com>

  On 10/01/2010 08:16 AM, Neo Jia wrote:
> On Wed, Sep 29, 2010 at 1:38 AM, Avi Kivity<avi@redhat.com>  wrote:
> >    On 09/28/2010 08:40 PM, Neo Jia wrote:
> >>
> >>  I found the instruction that caused this problem:
> >>
> >>  emulation failed (failure) rip 71f14651 66 0f 7f 07
> >>
> >>  And according to Intel, this is a MOVDQA. So, do we already have this
> >>  instruction emulated as I am using a pretty old version of KVM
> >>  (release 88)? If yes, could you point me to the file I need to look at
> >>  for that specific patch?
> >>
> >
> >  movdqa is not emulated.
>
> I am going to give a try to emulate this instruction. BTW, do we have
> any unit test for those emulated x86 instruction sets?

Indeed we do:

http://git.kernel.org/?p=virt/kvm/kvm-unit-tests.git;a=summary

Check out x86/emulator.c.

-- 
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.


  reply	other threads:[~2010-10-01 14:29 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-07-26 16:01 how to debug unhandled vm exit: 0x11? Neo Jia
2010-07-26 16:14 ` Avi Kivity
2010-07-26 17:58   ` ewheeler
2010-07-27 10:04     ` Avi Kivity
2010-09-28 18:40       ` Neo Jia
2010-09-28 18:46         ` Neo Jia
2010-09-29  8:38         ` Avi Kivity
2010-10-01  6:16           ` Neo Jia
2010-10-01 14:29             ` Avi Kivity [this message]
2010-10-11  5:46               ` Neo Jia
2010-10-11  6:30                 ` Avi Kivity
2010-10-11  6:49                   ` Neo Jia
2010-10-11 14:27                     ` Avi Kivity
2010-10-11 14:31                       ` Avi Kivity
2010-10-11 15:00                         ` Avi Kivity
2010-10-12  4:09                       ` Neo Jia

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