OpenBSD 4.6 i386 seems quite happy in VirtualBox 3.0.10 r54097 (Fedora
11 i686 as a host).

No funnies at all, just boot the cd46.iso image and ftp install and no
issues whatsoever (SMP and non-SMP VMs).



2009/11/1 TomC!E! BodE>C!r <tomas.bod...@gmail.com>:
> After reading this
>
http://www.openbsd.org/cgi-bin/man.cgi?query=mpbios&apropos=0&sektion=0&manpa
> th=OpenBSD+Current&arch=i386&format=html
> I must say that for me it means that if you have crappy HW (in this
> case KVM) then you can encounter problems.
>
> On Sun, Nov 1, 2009 at 4:29 AM, Chris Dukes <pak...@pr.neotoma.org> wrote:
>> On Sat, Oct 31, 2009 at 05:50:57PM -0600, Theo de Raadt wrote:
>>> > OpenBSD 4.5+ works if "mpbios" is disabled, more info here:
>>> >
>
http://scie.nti.st/2009/10/4/running-openbsd-4-5-in-kvm-on-ubuntu-linux-9-04
>>>
>>> OpenBSD 4.5 works on 99.9% of PCs out there with mpbios enabled,
>>> so KVM must have a really stupid bug.
>>
>>
>>
>> Something about the mpbios implementation on OpenBSD does not seem
>> right as disabling with 'bsd -c' does not have the same result as
>> building a kernel with mpbios0 disabled in the config. B That and
>> your 99.9% comment lead me to believe there is a bug in OpenBSD.
>> Given
>> 1) Per mpbios.c ACPI and a useable MPBIOS appear to be mutually exclusive
>> 2) New PCs are shipping with ACPI instead of APM
>> 3) GENERIC with mpbios enabled breaks on 0.1% of PCs.
>> I'm at a bit of a loss as to why mpbios is still enabled in GENERIC.
>>
>>
>> My memory of the brief discussion on the KVM mailing list was that
>> KVM/QEMU emulation of one of the instructions executed by going through
>> the mpbios code was mishandled. B If you'd like me to find the relevant
>> thread and forward it on to the mpbios maintainer, I'll gladly do so.
>>
>> Now to pragmatic considerations.
>> I understand and appreciate your mistrust of running OpenBSD under
>> a virtual machine emulator.
>> But there are folks like me that find it useful to be able to
>> hold a dog and pony show for a network and cluster design on a
>> laptop rather than an anvil case of laptops, switches, and routers.
>>
>>
>> --
>> Chris Dukes
>
>



--
"Opportunity is most often missed by people because it is dressed in
overalls and looks like work."
    Thomas Alva Edison
    Inventor of 1093 patents, including:
        The light bulb, phonogram and motion pictures.

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