On Mon, Feb 21, 2011 at 10:55 PM, James Neave <robo...@gmail.com> wrote: > On Mon, Feb 21, 2011 at 10:49 PM, James Neave <robo...@gmail.com> wrote: >> On Mon, Feb 21, 2011 at 10:25 PM, James Neave <robo...@gmail.com> wrote: >>> On Mon, Feb 21, 2011 at 9:01 PM, Alex Williamson >>> <alex.william...@redhat.com> wrote: >>>> On Mon, 2011-02-21 at 20:31 +0000, James Neave wrote: >>>>> On Mon, Feb 14, 2011 at 5:48 PM, Alex Williamson >>>>> <alex.william...@redhat.com> wrote: >>>>> > On Sat, 2011-02-12 at 16:04 +0000, James Neave wrote: >>>>> >> On Tue, Feb 8, 2011 at 10:17 AM, James Neave <robo...@gmail.com> wrote: >>>>> >> > On Tue, Feb 8, 2011 at 9:59 AM, Kenni Lund <ke...@kelu.dk> wrote: >>>>> >> >> 2011/2/7 Daniel P. Berrange <berra...@redhat.com>: >>>>> >> >>> On Sat, Feb 05, 2011 at 04:34:01PM +0000, James Neave wrote: >>>>> >> >>>> Hi, >>>>> >> >>>> >>>>> >> >>>> I'm trying to pass a NOVA-T-500 TV Tuner card through to a gust >>>>> >> >>>> VM. >>>>> >> >>>> I'm getting the error "The driver 'pci-stub' is occupying your >>>>> >> >>>> device >>>>> >> >>>> 0000:08:06.2" >>>>> >> >>> >>>>> >> >>> This is a rather misleading error message. It is *expected* that >>>>> >> >>> pci-stub will occupy the device. Unfortunately the rest of the >>>>> >> >>> error messages QEMU is printing aren't much help either, but >>>>> >> >>> ultimately something is returning -EBUSY in the PCI device assign >>>>> >> >>> step >>>>> >> >> >>>>> >> >> James, as far as I remember, I had the same issue when I set up my >>>>> >> >> system. Looking at my current (working) boot-script, apparently I've >>>>> >> >> added a 4th line which removes the pci-stub again as a >>>>> >> >> workaround....and it works: >>>>> >> >> >>>>> >> >> 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 >>>>> >> >> >>>>> >> >> Best regards >>>>> >> >> Kenni >>>>> >> >> >>>>> >> > >>>>> >> > Hi Kenni, >>>>> >> > >>>>> >> > Can I get a bit more information on "boot-script" please? Which file >>>>> >> > exaclty have you put this in? Did you write your own service script >>>>> >> > and put it in init.d? >>>>> >> > >>>>> >> > I've tried this: >>>>> >> > >>>>> >> > echo "8086 10b9" > /sys/bus/pci/drivers/pci-stub/new_id >>>>> >> > echo 0000:01:00.0 > /sys/bus/pci/devices/0000:01:00.0/driver/unbind >>>>> >> > echo 0000:01:00.0 > /sys/bus/pci/drivers/pci-stub/bind >>>>> >> > >>>>> >> > I'll try it again with the fourth line added, manually before I >>>>> >> > start the VM. >>>>> >> > >>>>> >> > How come yours is 'echo "PCI" > /sys/bus/drivers/DRIVERNAME/unbind' >>>>> >> > and mine is echo "PCI" > /sys/bus/pci/devices/PCI/driver/unbind >>>>> >> > >>>>> >> > Obviously one looks up which driver is being used by the PCI id, but >>>>> >> > how do I look up which driver my PCI card is using? >>>>> >> > >>>>> >> > Thanks, >>>>> >> > >>>>> >> > James. >>>>> >> > >>>>> >> >>>>> >> Hi, >>>>> >> >>>>> >> OK, adding the fourth line does nothing, changing the second line to >>>>> >> "driver" rather than "device" does nothing, including in combination >>>>> >> with fourth line there/not there. >>>>> > >>>>> > Yep, the last line is just removing the id from pci-stub, it doesn't >>>>> > change anything about devices that are already bound to it. driver vs >>>>> > device are just different ways to get to the same thing. >>>>> > >>>>> >> So I'm still stuck, can anybody else help? >>>>> >> Perhaps point me to a guide on how to compile the latest qemu-kvm >>>>> >> against my kernel? >>>>> > >>>>> > I don't know why you're getting -EBUSY for this device, but maybe we can >>>>> > start from a clean slate and see if it helps. Here's what I would >>>>> > suggest: >>>>> > >>>>> > echo "0000:08:06.0" > /sys/bus/pci/devices/0000:08:06.0/driver/unbind >>>>> > echo "0000:08:06.1" > /sys/bus/pci/devices/0000:08:06.1/driver/unbind >>>>> > echo "0000:08:06.2" > /sys/bus/pci/devices/0000:08:06.2/driver/unbind >>>>> > echo "0000:08:0e.0" > /sys/bus/pci/devices/0000:08:0e.0/driver/unbind >>>>> > >>>>> > Note we have to knock out the firewire because it shares an interrupt >>>>> > with the ehci device you're trying to assign. We want to remove the USB >>>>> > controller entirely from the host. Your dmesg indicates the host is >>>>> > still seeing the device via the uhci ports, and isn't happy about it. >>>>> > You can ignore pci-stub for the moment, it's just a way to keep drivers >>>>> > from claiming the device, it's not required for device assignment. Now, >>>>> > instead of only trying to assign the ehci, let's move the whole usb >>>>> > controller to the guest: >>>>> > >>>>> > -device pci-assign,host=08:06.0,addr=5.0 \ >>>>> > -device pci-assign,host=08:06.1,addr=5.1 \ >>>>> > -device pci-assign,host=08:06.2,addr=5.2 >>>>> > >>>>> > (slot 5 on the guest is arbitrary, pick something else if you need to) >>>>> > If that works, then you can bind all those devices to pci-stub and it >>>>> > should still work. >>>>> > >>>>> > Alex >>>>> >>>>> Hi, >>>>> >>>>> Sorry about the slow reply, I hosed all of my PCs fiddling with >>>>> compiling the latest qemu, took me a while to put it all back together >>>>> again in between work! >>>>> >>>>> I'm afraid I use virtmanager, although I guess using the "add pci >>>>> device" function is the same as -device pci-assign? It does seem to >>>>> add it to the command line that gets written out to the log files in >>>>> /var/log/libvirt/qemu. >>>>> >>>>> Nevertheless, I've tried that and still not luck, the log output is >>>>> similar, with one extra line: >>>>> >>>>> http://pastebin.com/MJ6aqjNq >>>> >>>> You actually ended up with: >>>> >>>> -device pci-assign,host=08:06.0,id=hostdev0,configfd=58,bus=pci.0,addr=0x6 >>>> \ >>>> -device pci-assign,host=08:06.1,id=hostdev1,configfd=59,bus=pci.0,addr=0x7 >>>> \ >>>> -device pci-assign,host=08:06.2,id=hostdev2,configfd=60,bus=pci.0,addr=0x8 >>>> >>>> Which isn't quite what I was suggesting. You probably have xml that >>>> looks like this: >>>> >>>> <hostdev mode='subsystem' type='pci' managed='yes'> >>>> <source> >>>> <address domain='0x0000' bus='0x08' slot='0x06' function='0x0'/> >>>> </source> >>>> </hostdev> >>>> ... >>>> >>>> Try adding an address line, so you get something more like this: >>>> >>>> <hostdev mode='subsystem' type='pci' managed='yes'> >>>> <source> >>>> <address domain='0x0000' bus='0x08' slot='0x06' function='0x0'/> >>>> </source> >>>> <address type='pci' domain='0x0000' bus='0x00' slot='0x06' >>>> function='0x0'/> >>>> </hostdev> >>>> <hostdev mode='subsystem' type='pci' managed='yes'> >>>> <source> >>>> <address domain='0x0000' bus='0x08' slot='0x06' function='0x1'/> >>>> </source> >>>> <address type='pci' domain='0x0000' bus='0x00' slot='0x06' >>>> function='0x1'/> >>>> </hostdev> >>>> <hostdev mode='subsystem' type='pci' managed='yes'> >>>> <source> >>>> <address domain='0x0000' bus='0x08' slot='0x06' function='0x2'/> >>>> </source> >>>> <address type='pci' domain='0x0000' bus='0x00' slot='0x06' >>>> function='0x2'/> >>>> </hostdev> >>>> >>>> >>>>> Using raw in/out ioport access (sysfs - Input/output error) >>>> >>>> This is just an informational line to let us know whether pci-sysfs >>>> supports read/write on the ioport resource files. If it does, we use >>>> those rather than doing raw in/out for access to the device. This does >>>> highlight another potential problem. Your distro probably doesn't have >>>> all the patches in place for non-privileged device assignment, which >>>> could be why you're having strange issues. Check >>>> your /etc/libvirt/qemu.conf for the 'user =' and 'group =' lines. If >>>> they're not already, try setting them to 'root', restart libvirtd and >>>> see if anything improves. >>>> >>>>> Here's the dmesg output: >>>>> http://pastebin.com/AE1euUN1 >>>> >>>> If still issues after the above, it might be useful to pastbin the >>>> entire dmesg so we can make sure the iommu is really on. Thanks, >>>> >>>> Alex >>> >>> Hi, >>> >>> No such luck I'm afraid. >>> >>> Here is the original XML: >>> >>> <hostdev mode='subsystem' type='pci' managed='yes'> >>> <source> >>> <address domain='0x0000' bus='0x08' slot='0x06' function='0x0'/> >>> </source> >>> <address type='pci' domain='0x0000' bus='0x00' slot='0x06' >>> function='0x0'/> >>> </hostdev> >>> <hostdev mode='subsystem' type='pci' managed='yes'> >>> <source> >>> <address domain='0x0000' bus='0x08' slot='0x06' function='0x1'/> >>> </source> >>> <address type='pci' domain='0x0000' bus='0x00' slot='0x07' >>> function='0x0'/> >>> </hostdev> >>> <hostdev mode='subsystem' type='pci' managed='yes'> >>> <source> >>> <address domain='0x0000' bus='0x08' slot='0x06' function='0x2'/> >>> </source> >>> <address type='pci' domain='0x0000' bus='0x00' slot='0x08' >>> function='0x0'/> >>> </hostdev> >>> >>> The only difference from your recommended change is the target (I take >>> it they are target addresses for the VM?) addresses run: >>> 0000:00:06.0 >>> 0000:00:07.0 >>> 0000:00:08.0 >>> >>> Instead of: >>> 0000:00:06.0 >>> 0000:00:06.1 >>> 0000:00:06.2 >>> >>> Regardless, I still changed test.xml to: >>> <hostdev mode='subsystem' type='pci' managed='yes'> >>> <source> >>> <address domain='0x0000' bus='0x08' slot='0x06' function='0x0'/> >>> </source> >>> <address type='pci' domain='0x0000' bus='0x00' slot='0x06' >>> function='0x0'/> >>> </hostdev> >>> <hostdev mode='subsystem' type='pci' managed='yes'> >>> <source> >>> <address domain='0x0000' bus='0x08' slot='0x06' function='0x1'/> >>> </source> >>> <address type='pci' domain='0x0000' bus='0x00' slot='0x06' >>> function='0x1'/> >>> </hostdev> >>> <hostdev mode='subsystem' type='pci' managed='yes'> >>> <source> >>> <address domain='0x0000' bus='0x08' slot='0x06' function='0x2'/> >>> </source> >>> <address type='pci' domain='0x0000' bus='0x00' slot='0x06' >>> function='0x2'/> >>> </hostdev> >>> >>> To no effect. >>> >>> In qemu.conf, user and group were commented out, I uncommented both >>> and they were both already set to root. >>> >>> After both a restart of libvirt-bin and the pc itself, no change. >>> >>> Finally, here is the very latest dmesg: >>> http://pastebin.com/9HE61K62 >>> >>> Does anybody know the debug kernel switches for iommu? >>> >>> Many Thanks, >>> >>> James. >>> >> >> Hi, >> >> A ray of sunshine (ish) >> >> I can apparently pass through this device: >> >> 00:14.2 Audio device: ATI Technologies Inc SBx00 Azalia (Intel HDA) (rev 40) >> Subsystem: Giga-byte Technology Device a102 >> Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- >> ParErr- Stepping- SERR- FastB2B- DisINTx- >> Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=slow >TAbort- >> <TAbort- <MAbort- >SERR- <PERR- INTx- >> Latency: 32, Cache Line Size: 64 bytes >> Interrupt: pin ? routed to IRQ 16 >> Region 0: Memory at fdff4000 (64-bit, non-prefetchable) [size=16K] >> Capabilities: <access denied> >> Kernel driver in use: HDA Intel >> Kernel modules: snd-hda-intel >> >> From test.log: >> >> 2011-02-21 22:40:58.888: starting up >> LC_ALL=C PATH=/usr/local/sbin:/usr/local/bin:/usr/bin:/usr/sbin:/sbin:/bin >> QEMU_AUDIO_DRV=none /usr/bin/kvm -S -M pc-0.14 -enable-kvm -m 512 -smp >> 3,sockets=3,cores=1,threads=1 -name test -uuid >> 307bfcd2-9dec-29b7-1b4d-c46cd9d7cdbc -nodefconfig -nodefaults -chardev >> socket,id=charmonitor,path=/var/lib/libvirt/qemu/test.monitor,server,nowait >> -mon chardev=charmonitor,id=monitor,mode=readline -rtc base=utc -boot >> c -drive >> file=/var/lib/libvirt/images/test.img,if=none,id=drive-virtio-disk0,boot=on,format=raw >> -device >> virtio-blk-pci,bus=pci.0,addr=0x4,drive=drive-virtio-disk0,id=virtio-disk0 >> -drive >> file=/home/james/ubuntu_10.10_x86.iso,if=none,media=cdrom,id=drive-ide0-1-0,readonly=on,format=raw >> -device ide-drive,bus=ide.1,unit=0,drive=drive-ide0-1-0,id=ide0-1-0 >> -netdev tap,fd=59,id=hostnet0 -device >> virtio-net-pci,netdev=hostnet0,id=net0,mac=52:54:00:7d:32:7c,bus=pci.0,addr=0x3 >> -chardev pty,id=charserial0 -device >> isa-serial,chardev=charserial0,id=serial0 -usb -vnc 127.0.0.1:1 -vga >> cirrus -device >> pci-assign,host=00:14.2,id=hostdev0,configfd=60,bus=pci.0,addr=0x6 >> -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x5 >> char device redirected to /dev/pts/1 >> kvm: -device >> virtio-net-pci,netdev=hostnet0,id=net0,mac=52:54:00:7d:32:7c,bus=pci.0,addr=0x3: >> pci_add_option_rom: failed to find romfile "pxe-virtio.bin" >> 2011-02-21 22:41:48.090: shutting down >> >> Specifically: -device >> pci-assign,host=00:14.2,id=hostdev0,configfd=60,bus=pci.0,addr=0x6 >> >> Unfortunately I can't get it to boot an ISO through virtmanager! >< >> Well, not without deleting the VM and recreating it again. >> I shall try getting the latest virt-manager. >> >> Regards, >> >> James. >> > > Or I could just try pressing the Apply button... ¬.¬;; > > J. >
OK, it doesn't work but here's the dmesg from the test vm with the host's on board sound passed through: http://pastebin.com/N2bdMQTa Specifically the error is: [ 13.795117] hda-intel: unable to grab IRQ 0, disabling device [ 13.797976] HDA Intel: probe of 0000:00:06.0 failed with error -16 Regards, James. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
