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Re: [Xen-devel] Regression PCI passthrough from 4.5.5 to 4.6.0-rc1

>>> "Andreas Kinzler" <ml-ak@xxxxxx> 07/17/17 6:32 PM >>>
>>> Jan, I still have access to the hardware so perhaps we can finally solve
>>> this problem.
>> Feel free to go ahead; I'll be on vacation for the next three weeks.
>Perhaps we can shortcut debugging a bit because I looked through the  
>patches of XenServer 7.2 and found the attached patch. Now I tried it and  
>it seems to solve all the problems. Does that patch look good to you, too?

Iirc the patch had even been submitted once, and rejected as being not
generally correct (i.e. it cures a symptom rather than the cause). What
we'd need to know is the order of actions the guest takes which ought to
result in the vector getting unmasked, but doesn't in reality.


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