Re: [Qemu-devel] Fwd: Problem booting 32 bit guest on 64 bit host using kvm

[Gleb Natapov <gleb@redhat.com>]

On Tue, Jan 01, 2013 at 11:17:52AM +1000, Mark Blakeney wrote:
> Hi, I am inexperienced using QEMU and hoping somebody here can help me.
> 
> Some time ago I cloned a disk image of an old Solaris legacy system and was
> able to successfully boot and use it within QEMU. Recently I upgraded my
> host from i386 Ubuntu 12.04 to a new box running x86_64 Ubuntu 12.10. Now I
> find that the same qemu command line results in that guest failing to boot
> with a "no active boot partition" error message.
> 
> The command I have been using is:
> 
> qemu-system-i386 \
>   -machine pc,accel=kvm \
>   -m 256M \
>   -vga std \
>   -net nic,vlan=1,model=pcnet \
>   -net user,vlan=1,hostfwd=::8050-$GUEST:22 \
>   -hda "$DISK"
> 
> I find that if I change to "accel=tcg" in above command (or add -no-kvm)
> then the guest will boot ok but I find my host works much harder & slower
> than when I use kvm. Is there a qemu option so I can use kvm but get around
> this guest boot issue?
> 
What is your kernel version?

--
			Gleb.