2010/12/14 Erik Brakkee <erik@xxxxxxxxxxx>: >> From: Kenni Lund <kenni@xxxxxxx> >>> Does this mean I have a chance now that PCI passthrough of my WinTV >>> PVR-500 >>> might work now? >> >> Passthrough of a PVR-500 has been working for a long time. I've been >> running with passthrough of a PVR-500 in my HTPC, since >> November/December 2009...so it should work with any recent kernel and >> any recent version of qemu-kvm you can find today - No patching >> needed. The only issue I had with the PVR-500 card, was when *I* >> didn't free up the shared interrupts...once I fixed that, it "just >> worked". > > How did you free up those shared interrupts then? I tried different slots > but always get conflicts with the USB irqs. I did an unbind of the conflicting device (eg. disabled it). I moved the PVR-500 card around in the different slots and once I got a conflict with the integrated sound card, I left the PVR-500 card in that slot (it's a headless machine, so no need for sound) and configured unbind of the sound card at boot time. On my old system I think it was conflicting with one of the USB controllers as well, but it didn't really matter, as I only lost a few of the ports on the back of the computer for that particular USB controller - I still had plenty of USB ports left and if I really needed more ports, I could just plug in an extra USB PCI card. My /etc/rc.local boot script looks like the following today: -- #Remove HDA conflicting with ivtv1 echo "0000:00:1b.0" > /sys/bus/pci/drivers/HDA\ Intel/unbind # ivtv0 echo "4444 0016" > /sys/bus/pci/drivers/pci-stub/new_id echo "0000:04:08.0" > /sys/bus/pci/drivers/ivtv/unbind echo "0000:04:08.0" > /sys/bus/pci/drivers/pci-stub/bind echo "4444 0016" > /sys/bus/pci/drivers/pci-stub/remove_id # ivtv1 echo "4444 0016" > /sys/bus/pci/drivers/pci-stub/new_id echo "0000:04:09.0" > /sys/bus/pci/drivers/ivtv/unbind echo "0000:04:09.0" > /sys/bus/pci/drivers/pci-stub/bind echo "4444 0016" > /sys/bus/pci/drivers/pci-stub/remove_id -- Best regards Kenni -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
