[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-users] Re: pci passthru not working after 4.0.1 > 4.1.0 upgrade
On Thu, Apr 14, 2011 at 10:46 AM, Andrew Lyon <andrew.lyon@xxxxxxxxx> wrote: > Hi, > > I've just upgraded to 4.1.0 from 4.0.1 and found that one of my hvm's > failed to start due to pci passthru failure: > > xm create xen-win7.cfg > Using config file "./xen-win7.cfg". > Error: pci: PCI Backend and pci-stub don't own sibling device > 0000:00:00.0 of device 0000:02:01.1 > > Setting from guest config file: > > pci = [ '0000:02:01.0', '0000:02:01.1', '0000:02:01.2' ] > > 02:01.0 USB Controller: NEC Corporation USB (rev 43) > 02:01.1 USB Controller: NEC Corporation USB (rev 43) > 02:01.2 USB Controller: NEC Corporation USB 2.0 (rev 04) > > It worked before, and the device is listed as available to be assigned: > > xm pci-list-assignable-devices > 0000:02:01.0 > 0000:02:01.1 > 0000:02:01.2 > > lspci -tv > -[0000:00]-+-00.0 Intel Corporation 5400 Chipset Memory Controller Hub > +-01.0-[01-02]----00.0-[02]--+-01.0 NEC Corporation USB > | +-01.1 NEC Corporation USB > | \-01.2 NEC Corporation USB 2.0 > +-05.0-[03]----00.0 nVidia Corporation G96 [Quadro FX 380] > +-09.0-[04-07]--+-00.0-[05-06]----00.0-[06]----00.0 Adaptec > AAC-RAID > | \-00.3-[07]--+-02.0 LSI Logic / Symbios > Logic 53c1010 Ultra3 SCSI Adapter > | \-02.1 LSI Logic / Symbios > Logic 53c1010 Ultra3 SCSI Adapter > +-0f.0 Intel Corporation 5400 Chipset QuickData Technology Device > +-10.0 Intel Corporation 5400 Chipset FSB Registers > +-10.1 Intel Corporation 5400 Chipset FSB Registers > +-10.2 Intel Corporation 5400 Chipset FSB Registers > +-10.3 Intel Corporation 5400 Chipset FSB Registers > +-10.4 Intel Corporation 5400 Chipset FSB Registers > +-11.0 Intel Corporation 5400 Chipset CE/SF Registers > +-15.0 Intel Corporation 5400 Chipset FBD Registers > +-15.1 Intel Corporation 5400 Chipset FBD Registers > +-16.0 Intel Corporation 5400 Chipset FBD Registers > +-16.1 Intel Corporation 5400 Chipset FBD Registers > +-1b.0 Intel Corporation 631xESB/632xESB High Definition > Audio Controller > +-1c.0-[08]--+-00.0 Intel Corporation 82575EB Gigabit > Network Connection > | \-00.1 Intel Corporation 82575EB Gigabit > Network Connection > +-1d.0 Intel Corporation 631xESB/632xESB/3100 Chipset UHCI > USB Controller #1 > +-1d.1 Intel Corporation 631xESB/632xESB/3100 Chipset UHCI > USB Controller #2 > +-1d.2 Intel Corporation 631xESB/632xESB/3100 Chipset UHCI > USB Controller #3 > +-1d.3 Intel Corporation 631xESB/632xESB/3100 Chipset UHCI > USB Controller #4 > +-1d.7 Intel Corporation 631xESB/632xESB/3100 Chipset EHCI > USB2 Controller > +-1e.0-[09]--+-04.0 VIA Technologies, Inc. VT82xxxxx UHCI > USB 1.1 Controller > | +-04.1 VIA Technologies, Inc. VT82xxxxx UHCI > USB 1.1 Controller > | +-04.2 VIA Technologies, Inc. USB 2.0 > | \-08.0 Texas Instruments TSB43AB22/A > IEEE-1394a-2000 Controller (PHY/Link) > +-1f.0 Intel Corporation 631xESB/632xESB/3100 Chipset LPC > Interface Controller > +-1f.1 Intel Corporation 631xESB/632xESB IDE Controller > +-1f.2 Intel Corporation 631xESB/632xESB/3100 Chipset SATA > IDE Controller > \-1f.3 Intel Corporation 631xESB/632xESB/3100 Chipset > SMBus Controller > > I am running kernel 2.6.38 xenified with suse patches, not pv_ops, > using the pciback.hide syntax to hide the device from dom0 drivers. > > I did some testing and I can passthru 0000:02:01.0 but not the other > two functions of the usb card. > > Andy > This clearly looks like the sibling device check is somehow ending up at the root of the pci device tree which of course is not owned by pciback etc, If I disable the check I can start the domain and the pci usb card is available and seems to work ok. pciif.py line 285: # if sdev.driver!='pciback' and sdev.driver!='pci-stub': # raise VmError(("pci: PCI Backend and pci-stub don't "+ \ # "own sibling device %s of device %s"\ # )%(sdev.name, dev.name)) Andy _______________________________________________ Xen-users mailing list Xen-users@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-users
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