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Re: [Xen-devel] Re: Fire-wire passthrough with Linux pv-ops (

To: "Mr. Teo En Ming (Zhang Enming)" <space.time.universe@xxxxxxxxx>
Subject: Re: [Xen-devel] Re: Fire-wire passthrough with Linux pv-ops (
From: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
Date: Tue, 13 Oct 2009 13:04:31 -0400
Cc: Jeremy Fitzhardinge <jeremy@xxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx
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On Tue, Oct 13, 2009 at 10:39:21PM +0800, Mr. Teo En Ming (Zhang Enming) wrote:
> Hi Konrad,
> So if I try firewire passthrough in pvops dom0 kernel 2.6.30-rc3 it
> will not work also because the code for firewire controller
> passthrough is non-existent as of now?

Actually I was mistaken. The pci-stub is used by qemu to emulate/pass through.
If you are using an HVM guest (which you are), then QEMU is the one handling
the PCI device. But if you are using a PV guest, you need to have 
support - that is what I am porting over right now.

For your issue, I would recompile QEMU with debug enabled in the 
code and see what is happening. Maybe there are some errors in the log that 
explain why it is not working properly?

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