Re: PCI passthrough resource remapping

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* Kenni Lund (kenni@xxxxxxx) wrote:
> 2010/3/31 Chris Wright <chrisw@xxxxxxxxxx>:
> > * Kenni Lund (kenni@xxxxxxx) wrote:
> >> 2010/3/31 Chris Wright <chrisw@xxxxxxxxxx>:
> >> >> So I suppose I'll need to get rid of this shared IRQ before I can
> >> >> conclude anything on the patch in git. Hmm, is there some cleaver way
> >> >> of fixing this in Linux, or do I have to fix it by changing BIOS IRQ
> >> >> settings, disabling hardware and/or moving the hardware around in
> >> >> various PCI slots?
> >> >
> >> > The way I typically work around this is simply unbinding the driver from
> >> > the device in the host (and thus freeing the irq).
> >>
> >> Doh...anyway, I went all the way, found a USB->PS2 adaptor, disabled
> >> the onboard USB controller and PATA controller in BIOS, and now got
> >> "kvm_assigned_intx_device" for all 4 IRQs :)
> >
> > A little extreme...but hey, that works ;-)  I'm still curious what's
> > going on w/ your PCI card and the irq routing.  Something is suspect.
> 
> I'll not be able to do any further testing for the next two weeks, but
> if you want me to perform some tests, test patches etc., just write
> what you want me to do and I'll do it in two weeks.

Thanks for your willingness to do some tests.  I'll poke around a bit
and see if I can come up w/ something useful for you to try out.

thanks,
-chris
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