Avi Kivity wrote:
> Farkas Levente wrote:
>> Avi Kivity wrote:
>>
>>> Zhao, Yunfeng wrote:
>>>
>>>> We run some booting multiple guest tests in our nightly testing.
>>>> Like booting two UP windows guests, booting one UP linux guest and one UP
>>>> windows guest, and booting 4 UP linux guests.
>>>> The first two cases have no problem in our testing.
>>>> And booting 4 UP linux guests may crash host, but this problem doesn't
>>>> happen very time. If the problem didn't happen, linux guest can be log in
>>>> without any problem.
>>>>
>>>> For smp guest, we meet a problem that booting linux guest with 4 vcpus
>>>> causes soft lock error on host. Once this error happened, qemu process
>>>> also could not be killed.
>>>>
>>>> Our linux guests are using 2.6.9, 2.6.16, and 2.6.23 kernels.
>>>>
>>>>
>>>>
>>> This may be due to NMIs or MCEs. Is it possible your machine is
>>> receiving them?
>>>
>> what does it mean?
>>
>
> Non-maskable interrupts and machine check exceptions.
is it something which i can trigger (as as user of kvm)?
--
Levente "Si vis pacem para bellum!"
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