Re: [Qemu-devel] qemu-kvm-1.0.1 - unable to exit if vcpu is in infinite loop

[Avi Kivity]

On 06/28/2012 10:27 PM, Peter Lieven wrote:
> 
> Am 28.06.2012 um 18:32 schrieb Avi Kivity:
> 
>> On 06/28/2012 07:29 PM, Peter Lieven wrote:
>>>> Yes. A signal is sent, and KVM returns from the guest to userspace on
>>>> pending signals.
>>
>>> is there a description available how this process exactly works?
>>
>> The kernel part is in vcpu_enter_guest(), see the check for
>> signal_pending().  But this hasn't seen changes for quite a long while.
> 
> Thank you, i will have a look. I noticed a few patches that where submitted
> during the last year, maybe one of them is related:
> 
> Switch SIG_IPI to SIGUSR1
> Fix signal handling of SIG_IPI when io-thread is enabled
> 
> In the first commit there is mentioned a "32-on-64-bit Linux kernel bug"
> is there any reference to that?


http://web.archiveorange.com/archive/v/1XS1vwGSFLyYygwTXg1K.  Are you
running 32-on-64?


-- 
error compiling committee.c: too many arguments to function