RE: [Xen-devel] [PATCH] x86: change IO-APIC ack method default forsingle IO-APIC systems

["Jiang, Yunhong" <yunhong.jiang@xxxxxxxxx>]

Jan Beulich <mailto:jbeulich@xxxxxxxxxx> wrote:
>>>> "Jiang, Yunhong" <yunhong.jiang@xxxxxxxxx> 21.01.09 15:23 >>>
>>> Ever since 3.0.2 we've been carrying this patch in our products. Since
>>> there was no indication that there would be anything wrong with the
>>> 'new' IO-APIC ack method added back then, we finally decided to drop
>>> this patch recently from SLE11, to find that the subsequent release
>>> candidate failed to work on at least on system without using
>> 
>> This is a bit strange, a bit curios that do you know the reason that it
>> not working? 
> 
> I too find it strange (otherwise I wouldn't have decided to
> drop that patch),
> but given that it always worked before, we have a solution at
> hand, and I
> don't have an affected machine available for debugging, I
> wanted to save
> myself and the reporter trying to figure out what's going on there from
> remote. 

Got it. Just want to make sure it is still under debug otherwise it may bite us 
in future :-)

> 
> Jan
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