Re: [regression] KVM: hangs and "irq timeout" booting HURD unless -no-kvm-irqchip passed

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08.02.2011 04:40, Jonathan Nieder wrote:
> Gleb Natapov wrote:
> 
>> Is this patch helps?
>>
>> diff --git a/arch/x86/kvm/i8259.c b/arch/x86/kvm/i8259.c
>> index 3cece05..62b1dde 100644
>> --- a/arch/x86/kvm/i8259.c
>> +++ b/arch/x86/kvm/i8259.c
>> @@ -549,6 +549,9 @@ static void pic_irq_request(struct kvm *kvm, int level)
>>  	struct kvm_pic *s = pic_irqchip(kvm);
>>  	int irq = pic_get_irq(&s->pics[0]);
>>  
>> +	if (s->output && !level)
>> +		s->pics[0].isr_ack = 0xff;
>> +
> 
> Yes, it does (tested on top of kvm/master).  Thanks!

And FWIW, I still can't trigger this issue on my machines -
with any of my custom kernels (2.6.37 and 2.6.38git included),
but debian 2.6.37-trunk-amd64 triggers it.  On all my kernels
hurd installation goes way further.

/mjt
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