[Qemu-devel] Re: Problem with QEMU on KVM

[Jan Kiszka <jan.kiszka@siemens.com>]

Gerhard Wiesinger wrote:
> On Tue, 13 Apr 2010, Jan Kiszka wrote:
> 
>> Mulyadi Santosa wrote:
>>> Hi Jamie...
>>>
>>> On Mon, Apr 12, 2010 at 19:07, Jamie Lokier <jamie@shareable.org> wrote:
>>>> There are various -no-kvm-XXX options to try:
>>>>
>>>> -no-kvm-irqchip disable KVM kernel mode PIC/IOAPIC/LAPIC
>>>> -no-kvm-pit     disable KVM kernel mode PIT
>>>> -no-kvm-pit-reinjection disable KVM kernel mode PIT interrupt reinjection
>>> I try to read the source code without too much luck understanding the
>>> meaning of the above parameters, especially the reinjection. Please
>>> CMIIW, interrupt reinjection is a way to handle lost ticks, right?
>> Those switches only exist in the qemu-kvm branch. The fact that
>> -enable-kvm has some effect for you makes me think that you tried
>> upstream KVM support (ie. the one that comes with vanilla QEMU), right?
>>
> 
> I tried 0.12.3 stable and also qemu git master:
> http://git.savannah.gnu.org/cgit/qemu.git/log/
> 
>> It would be interesting to check if you can reproduce the problem also
>> with qemu-kvm(-0.12.3 or git head). As you may also face an issue of the
>> kvm kernel bits, it would be furthermore helpful to check with the
>> latest kernel from kvm.git or the modules build via kvm-kmod as well.
> 
> Can you please post links to the different git repositories, since a lot 
> of different repositories exist here (qemu-kvm and kernel).

http://www.linux-kvm.org/page/Code

HTH,
Jan

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