Hi Jan,

   The host version is: linux-2.6.33.3. I removed the kvm incorporated in
the linux kernel and rebuilt the kvm-kmod-3.3.tar.bz2. I have tried from
kvm-kmod-2.6.33.3 to kvm-kmod.3.3. Unfortunately, no one worked. The tested
guest image is vxworks downloaded from
http://people.freebsd.org/~wpaul/qemu/. You can download the vxworks.img
and run the commandline: kvm -fda vxworks.img. The qemu will report: KVM
internel error: suberror:1. However, it works well if 'no-kvm' is set,
namely "kvm -fda vxworks.img -no-kvm".
   Could you please explain what the error means? It seems to be related
with 32-bit protected mode.
   Thanks,

katrina


On Fri, Mar 23, 2012 at 6:28 PM, Jan Kiszka <jan.kis...@siemens.com> wrote:

>  On 2012-03-23 09:19, Katrina Austin wrote:
> > Hi all,
> >
> >    I've built a guest image. It works well on KVM with a AMD X240
> processor
> > but failed with a intel E5620 processor. I am using kvm-kmod-3.3 and
> > qemu-kvm-0.14.0. Here comes the report:
> >                 kvm_emulate_insn: 0: 11a6d0: ff (prot32) failed
> >                 kvm_userspace_exit: reason KVM_EXIT_INTERNAL_ERROR (17)
> >                 kvm_inj_exception:    #UD(0x0)
> >                 kvm_entry: vcpu 0
> >                 kvm_exit: reason EPT_MISCONFIG rip 0x11a6d0 info 0 0
> >   It bothers me so much and I would be much appreciated if someone can
> > provide help.
>
> Could it be that your guest image uses instructions that are only
> available on AMD processors? Or is this a regression from previous KVM
> versions. If yes, which one worked?
>
> Further questions in that case:
>  - Could you retest with KVM over a 3.3 kernel, i.e. without kvm-kmod?
>   Does that also faile?
>  - What is your host kernel version?
>
> Jan
>
> --
> Siemens AG, Corporate Technology, CT T DE IT 1
> Corporate Competence Center Embedded Linux
>

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