same problem for me too.
Michiel van Baak a icrit :

quoted text
> On 10:36, Sun 05 Jul 09, stan wrote:

>> I am trying to get OpenBSD 4.5 working as a guest OS using KVM on Linux. I

>> have been able to get 4.4 to install and run fine, but 4.5 never gives me a

>> login prompt. The last message I see is about setting tty flgas. On the

>> reboot after first install t paniced.

>

> I have the same. Google shows some others have as well.

>> Any sugestions as to what to do to get this working?

>

> Run openbsd on real hardware :)