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Re: [BUG] problems with NICs pass through to OpenBSD guest


  • To: Adam Szewczyk <szewcson@xxxxxxxxx>
  • From: Roger Pau Monné <roger.pau@xxxxxxxxxx>
  • Date: Tue, 20 Sep 2022 11:13:13 +0200
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  • List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

Please avoid top-posting.

On Tue, Sep 20, 2022 at 09:41:48AM +0200, Adam Szewczyk wrote:
> > (XEN)  MSI    132 vec=d9 lowest  edge   assert  log lowest dest=00000100
> > mask=0/  /?
> > (XEN)    IRQ: 132 vec:d9 PCI-MSI         status=030 aff:{8}/{0-11}
> > in-flight=0 d7:151(-M-)

So this is the MSI vector assigned to the OpenBSD domain, and is
indeed masked.

> > openbsd-71                                   7   511     2     -b----
> >  63.0
> > openbsd-71-dm                                8   144     1     -b----
> >  14.0
> >
> 
> How I can enable install this debug hypervisor? I have problems finding
> anything about it.

You will have to ask QubesOS about how to do that.  I have no
experience with QubesOS, and don't know if or where they provide a
debug build of Xen for you to boot.

> I don't have logs with qemu in the name, instead I have gmp-proxy logs. But
> their all looks empty.

Right, QubesOS is also using stubdomains, so it's not clear to me
where those logs are stored.

For debugging purposes, is there a way that you could create the
OpenBSD domain without a stubdomain, and just run QEMU in the control
domain? That would also rule out whether the cause of the malfunction
is due to the usage of stubdomains.

Regards, Roger.



 


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