Re: kvm-tools: can't seem to set guest_mac and KVM_GET_SUPPORTED_CPUID failed.

David Evensky
2011-11-17T15:55:48Z

On Thu, Nov 17, 2011 at 08:07:35AM +0200, Sasha Levin wrote:
> On Wed, 2011-11-16 at 16:42 -0800, David Evensky wrote:
> >
> > ...
> This should be '-n mode=tap,guest_mac=00:11:11:11:11:11'
> ...
Thanks!

> >
> > Also, when I start the guest I sometimes get the following error message:
> >
> > # kvm run -k /path/to/bzImage-3.0.8 -m 256 -c 1 --name guest-15757
> > KVM_GET_SUPPORTED_CPUID failed: Argument list too long
>
> Heh, we were talking about it couple of weeks ago, but since I couldn't
> reproduce it here (it was happening to me before, but now it's gone) the
> discussing died.
>
> Could you please provide some statistics on how often it happens to you?
> Also, can you try wrapping the ioctl with a 'while (1)' (theres only 1
> ioctl call to KVM_GET_SUPPORTED_CPUID) and see if it would happen at
> some point?

Last night I was getting it > 10%; but now that the sun has risen, of
course I can't produce it with 10 tries with 3 sets of args that I was
using. I did upgrade a few packages last night, but nothing that
should affect this.

> Thanks!
>
> > I haven't seen that before.
> >
> > Thanks,
> > \dae
> > ...