On 06/09/2010 06:12 PM, Gleb Natapov wrote:
a) i remember that there (have been) are instructions that have a
high virtualization penalty.
are there flags that should better not be offered to a VM?
Not that I know of.
rdtscp? I think it's always emulated.
No, it executes
On Wed, Jun 09, 2010 at 06:08:23PM +0300, Avi Kivity wrote:
> On 06/09/2010 11:29 AM, Peter Lieven wrote:
> >Avi Kivity wrote:
> >>On 06/08/2010 04:44 PM, Peter Lieven wrote:
> -cpu host is good if you have identical machines and don't
> plan to add new ones.
> >>>
> >>>i will likely add ne
On 06/09/2010 11:29 AM, Peter Lieven wrote:
Avi Kivity wrote:
On 06/08/2010 04:44 PM, Peter Lieven wrote:
-cpu host is good if you have identical machines and don't plan to
add new ones.
i will likely add new ones, but my plan would be to use qemu64 and
then add all flags manually that
are
Avi Kivity wrote:
On 06/08/2010 04:44 PM, Peter Lieven wrote:
-cpu host is good if you have identical machines and don't plan to
add new ones.
i will likely add new ones, but my plan would be to use qemu64 and
then add all flags manually that
are common to all cpus in the pool.
would that be
On 06/08/2010 04:38 PM, Peter Lieven wrote:
Avi Kivity wrote:
On 06/08/2010 04:28 PM, Peter Lieven wrote:
i will retry the case later today and send info register output.
what is the recommended value for nx (and why)?
Enabled (so you get no-execute memory protection).
do you have a guide
Avi Kivity wrote:
On 06/08/2010 04:28 PM, Peter Lieven wrote:
i will retry the case later today and send info register output.
what is the recommended value for nx (and why)?
Enabled (so you get no-execute memory protection).
do you have a guideline which flags should be identical to ensur
Avi Kivity wrote:
On 06/08/2010 04:38 PM, Peter Lieven wrote:
Avi Kivity wrote:
On 06/08/2010 04:28 PM, Peter Lieven wrote:
i will retry the case later today and send info register output.
what is the recommended value for nx (and why)?
Enabled (so you get no-execute memory protection).
On 06/08/2010 04:44 PM, Peter Lieven wrote:
-cpu host is good if you have identical machines and don't plan to
add new ones.
i will likely add new ones, but my plan would be to use qemu64 and
then add all flags manually that
are common to all cpus in the pool.
would that be safe?
Yes.
--
e
On 06/08/2010 04:28 PM, Peter Lieven wrote:
i will retry the case later today and send info register output.
what is the recommended value for nx (and why)?
Enabled (so you get no-execute memory protection).
do you have a guideline which flags should be identical to ensure
proper live migr
Avi Kivity wrote:
On 06/08/2010 03:49 PM, Peter Lieven wrote:
And finally, perhaps you have NX disabled in the bios of one of the
machines?
What does 'dmesg | grep NX' show on both hosts?
nx was disabled on one of the nodes.
That explains the problem.
i will retry the case later toda
Avi Kivity wrote:
On 06/08/2010 03:49 PM, Peter Lieven wrote:
And finally, perhaps you have NX disabled in the bios of one of the
machines?
What does 'dmesg | grep NX' show on both hosts?
nx was disabled on one of the nodes.
That explains the problem.
i will retry the case later toda
On 06/08/2010 03:49 PM, Peter Lieven wrote:
And finally, perhaps you have NX disabled in the bios of one of the
machines?
What does 'dmesg | grep NX' show on both hosts?
nx was disabled on one of the nodes.
That explains the problem.
i will retry the case later today and send info reg
Avi Kivity wrote:
On 06/08/2010 02:31 PM, Avi Kivity wrote:
On 06/08/2010 02:29 PM, Avi Kivity wrote:
On 06/08/2010 12:13 PM, Peter Lieven wrote:
sorry, the subject should read 2.6.35-rc2
Peter Lieven wrote:
Hi,
I freshly installed kernel 2.6.35-rc2 using userspace qemu-kvm
0.12.4.
When
On 06/08/2010 02:31 PM, Avi Kivity wrote:
On 06/08/2010 02:29 PM, Avi Kivity wrote:
On 06/08/2010 12:13 PM, Peter Lieven wrote:
sorry, the subject should read 2.6.35-rc2
Peter Lieven wrote:
Hi,
I freshly installed kernel 2.6.35-rc2 using userspace qemu-kvm 0.12.4.
When I live migrate a 32-b
Avi Kivity wrote:
On 06/08/2010 12:13 PM, Peter Lieven wrote:
sorry, the subject should read 2.6.35-rc2
Peter Lieven wrote:
Hi,
I freshly installed kernel 2.6.35-rc2 using userspace qemu-kvm 0.12.4.
When I live migrate a 32-bit opensuse-11.2 VM, the incoming VM shows
the following error afte
On 06/08/2010 02:29 PM, Avi Kivity wrote:
On 06/08/2010 12:13 PM, Peter Lieven wrote:
sorry, the subject should read 2.6.35-rc2
Peter Lieven wrote:
Hi,
I freshly installed kernel 2.6.35-rc2 using userspace qemu-kvm 0.12.4.
When I live migrate a 32-bit opensuse-11.2 VM, the incoming VM shows
On 06/08/2010 12:13 PM, Peter Lieven wrote:
sorry, the subject should read 2.6.35-rc2
Peter Lieven wrote:
Hi,
I freshly installed kernel 2.6.35-rc2 using userspace qemu-kvm 0.12.4.
When I live migrate a 32-bit opensuse-11.2 VM, the incoming VM shows
the following error after the mem transfer
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