Re: NetBSD dom0 PVH: hardware interrupts stalls

[Jan Beulich <jbeulich@xxxxxxxx>]

On 30.11.2020 12:50, Manuel Bouyer wrote:
> On Mon, Nov 30, 2020 at 12:44:23PM +0100, Jan Beulich wrote:
>> On 30.11.2020 12:35, Manuel Bouyer wrote:
>>> On Mon, Nov 30, 2020 at 11:00:23AM +0100, Jan Beulich wrote:
>>>> On 28.11.2020 18:14, Manuel Bouyer wrote:
>>>>> On Sat, Nov 28, 2020 at 03:53:11PM +0100, Roger Pau Monné wrote:
>>>>>>> the trace is at
>>>>>>> http://www-soc.lip6.fr/~bouyer/xen-log13.txt
>>>>>>
>>>>>> Thanks! I think I've found the issue and I'm attaching a possible fix
>>>>>> (fix.patch) to this email. In any case I've also attached a further
>>>>>> debug patch, in case the fix turns out to be wrong. Please test the
>>>>>> fix first, as the debug patch will end up triggering a panic when the
>>>>>> buffer is full.
>>>>>
>>>>> Yes, fix.patch does make the system boot as expected !
>>>>
>>>> May I translate this to a Tested-by?
>>>>
>>>> Patch also
>>>> Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
>>>>
>>>> Thanks much to both of you for all the effort here!
>>>
>>> Also, please don't forget the attached patch !
>>> Without it, the hypervisor panics.
>>
>> Well - this one still needs a proper description and S-o-b.
>> The other one came in immediately consumable shape right away.
> 
> The patch was sent by Roger on 12 Nov 2020, in reply to my mail
> about the panic.

I'm aware, but that wasn't a patch I can take and commit. I'm not
even entirely certain the code change is the final one, not the
least because of not having seen a description of the change, yet.

Jan