Re: NetBSD/amd64 in QEMU/KVM

[Christoph Egger <Christoph_Egger%gmx.de@localhost>]

IWAMOTO Toshihiro wrote:
> At Tue, 18 Mar 2008 22:31:44 +0100,
> Joerg Roedel wrote:
> > recently I tried to install NetBSD/amd64 in a QEMU/KVM virtual machine.
> > This failed with an early kernel panic because the install kernel was
> > not able to find the emulated graphics adapter. I also tried NetBSD/i386
> > and it worked fine in this environment. It turned out that adding the
> > line
> >
> > vga0            at isa?
> >
> > to the kernel configuration of the install and generic kernel fixed that
> > problem. The resulting install-iso booted fine to the installer. Maybe
> > this option should be enabled per default in the amd64 configuration.
>
> Alternatively, you can pass -no-acpi option to qemu, which worked for
> me.  I haven't had time to investigate the problem (maybe ACPI
> related?), though.

No, QEMU and QEMU/KVM are different things. KVM uses QEMU code
to emulate hw devices (disk, network) for the guests. Things like ACPI 
and virtual CPUs are emulated in KVM.

Same also counts for Xen when it comes to run HVM guests, btw.

Christoph