Re: [Xen-devel] [PATCH] x86/hvm: Fix HVM guest regression introduced by c58ba78c84

[Andrew Cooper <andrew.cooper3@xxxxxxxxxx>]

On 04/02/15 12:45, Jan Beulich wrote:
>>>> On 04.02.15 at 13:35, <andrew.cooper3@xxxxxxxxxx> wrote:
>> --- a/xen/arch/x86/hvm/hvm.c
>> +++ b/xen/arch/x86/hvm/hvm.c
>> @@ -638,7 +638,7 @@ static int hvm_ioreq_server_add_vcpu(struct 
>> hvm_ioreq_server *s,
>>      {
>>          struct domain *d = s->domain;
>>  
>> -        rc = alloc_unbound_xen_event_channel(v->domain, 0, s->domid, NULL);
>> +        rc = alloc_unbound_xen_event_channel(v->domain, v->vcpu_id, 
>> s->domid, NULL);
> But this sits in a conditional checking v->vcpu_id == 0. I.e. I don't
> see what difference this makes.
>
> Jan
>

Hmm so it does.

Something between d0b2caa..c58ba78 has broken HVM guests to point at
which HVMloader doesn't reliably function.

Back to debugging...

~Andrew

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