On (Tue) 28 Feb 2012 [12:00:34], Avi Kivity wrote:
> On 02/24/2012 08:58 PM, Andy Lutomirski wrote:
> > On Thu, Feb 23, 2012 at 8:34 PM, H. Peter Anvin wrote:
> > > On 02/16/2012 09:39 AM, Avi Kivity wrote:
> > >>>
> > >>> Yes, this is on purpose
> > >
> > > Why?
> >
> > I think the "this" refers
On 02/24/2012 08:58 PM, Andy Lutomirski wrote:
> On Thu, Feb 23, 2012 at 8:34 PM, H. Peter Anvin wrote:
> > On 02/16/2012 09:39 AM, Avi Kivity wrote:
> >>>
> >>> Yes, this is on purpose
> >
> > Why?
>
> I think the "this" refers to the PF_INSTR fault when executing at
> 0xff600xxx. That's
On Thu, Feb 23, 2012 at 8:34 PM, H. Peter Anvin wrote:
> On 02/16/2012 09:39 AM, Avi Kivity wrote:
>>>
>>> Yes, this is on purpose
>
> Why?
I think the "this" refers to the PF_INSTR fault when executing at
0xff600xxx. That's definitely intentional -- it's how
vsyscall emulation works.
I
On 02/16/2012 09:39 AM, Avi Kivity wrote:
>>
>> Yes, this is on purpose
Why?
-hpa
--
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel. I don't speak on their behalf.
--
To unsubscribe from this list: send the line "unsubscribe kvm" in
the body of a message to majo
On 02/16/2012 07:35 PM, Andy Lutomirski wrote:
> >
> > so it seems like kvm doesn't set PF_INSTR?
>
> Yes, this is on purpose, and you're almost certainly right (and I feel
> dumb for not figuring this out immediately). The error message is:
>
> segfault at ff600400 ip ff600400 sp
On Thu, Feb 16, 2012 at 9:14 AM, Avi Kivity wrote:
> On 02/16/2012 06:45 PM, Andy Lutomirski wrote:
>> >
>> >> So I could have messed up, or there could be a subtle
>> >> bug somewhere. Any ideas?
>> >
>> > What's the code trying to do? Execute an instruction from an
>> > non-executable page, tr
On 02/16/2012 06:45 PM, Andy Lutomirski wrote:
> >
> >> So I could have messed up, or there could be a subtle
> >> bug somewhere. Any ideas?
> >
> > What's the code trying to do? Execute an instruction from an
> > non-executable page, trap the #PF, and emulate? And what are the
> > symptoms? wro
On Thu, Feb 16, 2012 at 8:17 AM, Avi Kivity wrote:
> On 02/15/2012 09:36 PM, Andy Lutomirski wrote:
>> Hi, kvm people-
>>
>> Here's a strange failure. It could be a bug in something
>> RHEL6-specific, but it could be a generic issue that only triggers
>> with a paravirt guest with old userspace o
On 02/15/2012 09:36 PM, Andy Lutomirski wrote:
> Hi, kvm people-
>
> Here's a strange failure. It could be a bug in something
> RHEL6-specific, but it could be a generic issue that only triggers
> with a paravirt guest with old userspace on a non-ept host. There was
> a bug like this on Xen, and
Hi, kvm people-
Here's a strange failure. It could be a bug in something
RHEL6-specific, but it could be a generic issue that only triggers
with a paravirt guest with old userspace on a non-ept host. There was
a bug like this on Xen, and I'm wondering something's wrong on kvm as
well.
For backg
On (Tue) 14 Feb 2012 [08:26:22], Andy Lutomirski wrote:
> On Tue, Feb 14, 2012 at 4:22 AM, Amit Shah wrote:
> > On (Fri) 03 Feb 2012 [13:57:48], Amit Shah wrote:
> >> Hello,
> >>
> >> I'm booting some latest kernels on a Fedora 11 (released June 2009)
> >> guest. After the recent change of defaul
11 matches
Mail list logo
