Re: dom0 PVH: 'entry->arch.pirq != INVALID_PIRQ' failed at vmsi.c:843

[Andrew Cooper <andrew.cooper3@xxxxxxxxxx>]

On 12/11/2020 17:27, Manuel Bouyer wrote:
> On Thu, Nov 12, 2020 at 05:32:40PM +0100, Roger Pau Monné wrote:
>> On Thu, Nov 12, 2020 at 04:57:15PM +0100, Manuel Bouyer wrote:
>>> Hello,
>>> I'm trying to add dom0 PVH support to NetBSD. I'm tesing with Xen 4.13
>>> on a brand new Intel x86 server (Dell R440).
>> I would recommend using 4.14, PVH dom0 is still very much in
>> progress, and while I don't recall any specific fix going in 4.14 that
>> could be related to this there have been changes.
> packaging Xen on NetBSD requires quite a bit of work; so I don't package
> every releases. I still need to get NetBSD patches in shape to contribute
> back ...

For issues like this, you don't need to package all of Xen.  You can
just build the hypervisor locally and boot that.  (It doesn't matter if
the dom0 userspace doesn't come up cleanly if you're debugging a general
issue between the kernel and Xen.)

~Andrew