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Re: [Xen-devel] VGA passthrough on unstable

  • To: Pasi Kärkkäinen <pasik@xxxxxx>
  • From: Liwei <xieliwei@xxxxxxxxx>
  • Date: Fri, 6 May 2011 02:28:29 +0800
  • Cc: xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • Delivery-date: Thu, 05 May 2011 11:29:35 -0700
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On 6 May 2011 02:12, Pasi Kärkkäinen <pasik@xxxxxx> wrote:
> IMHO it's fine to require some pre-processing by the user,
> since it's pretty manual step anyway to get the image captured from the card..

Was thinking of that too, that'll simplify the patch to just the
configuration and binary loading.

> So I assume you've read:
> http://wiki.xen.org/xenwiki/XenPCIpassthrough
> Which dom0 kernel are you using? is pciback a module, or built-in?

Yeah, I've read that and tried both the pci=resource_alignment and
reassigndev options. Unless it doesn't produce any obvious log entries
in dmesg, I don't think they did anything.

That'd be 2.6.32-5-xen-amd64 from the debian squeeze repository, using
the builtin xen_pciback.

>> Come to think of it, why are there errors for BDF 00:05.0 and 00:06.0
>> when only 01:00.0 and 01:00.1 is passed in?
> What pciback mode are you using?
> -- Pasi

I have xen-pciback.permissive in my boot argument, so I assume that
means its permissive?

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