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

Pekka Enberg
2011-11-17T06:53:01Z

On Thu, Nov 17, 2011 at 8:07 AM, Sasha Levin <levinsasha928@gmail.com> wrote:
>> 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?

I'm no longer able to reproduce it here with 3.2-rc1. We could just
try the easy way out and do what Qemu does and retry for E2BIG...