dfly & kvm

[Andrey N. Oktyabrski]

On 06.03.12 20:57, Venkatesh Srinivas wrote:
>> Today I tried to update 2.10 to 3.0 on my VPS. 3.0 do not boot. Have anybody
>> tested dfly on kvm? Is it possible to update, or I must use 2.10 there?
>
> We have some known issues with 3.0 in recent versions of kvm and qemu.
> They are related to the new interrupt code, I think. There are
> workarounds, though!
>
> You can start qemu/kvm with -no-acpi or set hw.ioapic_enable=0 in
> /boot/loader.conf; this will let you boot. You may need to enable
> polling mode for the virtual NIC as well; ifconfig em0 polling 1 will
> do that.
>
> The problem iiuc is that an interrupt is getting missed during boot,
Thank you, I will try to set hw.ioapic_enable=0. I can't change the kvm 
options.