DragonFly BSD
DragonFly users List (threaded) for 2012-03
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Re: dfly & kvm


From: "Andrey N. Oktyabrski" <ano@xxxxxxxxx>
Date: Tue, 06 Mar 2012 21:26:46 +0400

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.




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