From: "Neo Jia" <neojia-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: "Avi Kivity" <avi-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
Cc: kvm-devel <kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org>
Subject: Re: emulation failed but !mmio_needed? rip 10000 fc 0f 01 15
Date: Mon, 26 Nov 2007 23:37:55 -0800 [thread overview]
Message-ID: <5d649bdb0711262337v28e7d3ecm246aa580cda0ca8b@mail.gmail.com> (raw)
In-Reply-To: <474A9CFE.50106-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
On Nov 26, 2007 2:16 AM, Avi Kivity <avi-atKUWr5tajBWk0Htik3J/w@public.gmane.org> wrote:
>
> Neo Jia wrote:
> > Avi Kivity wrote:
> >
> >> Neo Jia wrote:
> >>
> >>> On Nov 24, 2007 12:00 AM, Avi Kivity <avi-atKUWr5tajBWk0Htik3J/w@public.gmane.org> wrote:
> >>>
> >>>
> >>>> Neo Jia wrote:
> >>>>
> >>>>
> >>>>> The version of kvm I used for kvm module is
> >>>>> "694401697ccd822bb08019731c3ee1bb34323d8e" and the kvm-userspace is
> >>>>> "a57b838b49bc4e4e7439b18d0323385d53e41c7f".
> >>>>>
> >>>>>
> >>>>>
> >>>> These are very recent versions, but the nature of the problem leads me
> >>>> to expect you are using the host's kvm modules. Can you verify?
> >>>>
> >>>>
> >>> Yes. Just verified that I ran the modules from kernel "2.6.23.1-49.fc8".
> >>>
> >>> But according to Sheng's comments, I also don't see the "cld"
> >>> instruction in the latest version.
> >>>
> >>> Why does kvm not crash?
> >>>
> >>>
> >>>
> >> With the reset fix, kvm never sees the cld instruction. It executes
> >> the jmp instruction at f000:fff0 and continues processing ROM code.
> >>
> >>
> > Do we need to add a "default" in x86 emulator switch statement?
> >
> >
>
> Take a look at the code. That path is already covered.
Avi,
I just checkout the latest kvm.git. Please correct me if I am wrong.
I don't see the explicit "default" in swtich (c->b) statement but I
found a goto writeback.
Is that one?
Thanks,
Neo
>
>
>
> --
> error compiling committee.c: too many arguments to function
>
>
--
I would remember that if researchers were not ambitious
probably today we haven't the technology we are using!
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next prev parent reply other threads:[~2007-11-27 7:37 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-11-23 23:23 emulation failed but !mmio_needed? rip 10000 fc 0f 01 15 Neo Jia
[not found] ` <5d649bdb0711231523r5221466cx6ee17979d27ddbc0-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2007-11-24 4:21 ` Sheng Yang
[not found] ` <200711241221.00548.sheng.yang-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2007-11-24 7:48 ` Avi Kivity
2007-11-24 8:44 ` Neo Jia
2007-11-24 8:00 ` Avi Kivity
[not found] ` <4747DA35.6010001-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-11-24 8:30 ` Neo Jia
2007-11-24 9:45 ` Neo Jia
[not found] ` <5d649bdb0711240145g683f7762h35638e88586202a9-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2007-11-25 9:44 ` Avi Kivity
[not found] ` <47494402.9020602-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-11-25 23:30 ` Neo Jia
[not found] ` <474A0590.4050701-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2007-11-26 10:16 ` Avi Kivity
[not found] ` <474A9CFE.50106-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-11-27 7:37 ` Neo Jia [this message]
[not found] ` <5d649bdb0711262337v28e7d3ecm246aa580cda0ca8b-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2007-11-27 8:33 ` Avi Kivity
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