| Hi Ryan, I am having similar troubles with pci passthrough and would be grateful if you could possibly point me in the right direction. I am trying to pass a FXS/FXO card to a DomU for Asterisk. It's PCI address is 02:02.0
title=Xen 3.0.2 Gentoo Linux (2.6.16-xen-r1) root(hd0,0) kernel /xen.gz dom0_mem=256144 pciback.hide=(02:02.0) ro nloopbacks=1 console=vga module /vmlinuz-2.6.16.1-xen udev dolvm2 root=/dev/sda2 ro lockd.nlm_udpport=4001 lockd.nlm_tcpport=4001 vga=0x314 module /System.map-2.6.16.1-xen
# lspci 00:00.0 Host bridge: Broadcom GCNB-LE Host Bridge (rev 32) 00:00.1 Host bridge: Broadcom GCNB-LE Host Bridge 00:02.0 Ethernet controller: Intel Corporation 82540EM Gigabit Ethernet Controller (rev 02) 00:04.0 Multimedia video controller: Brooktree Corporation Bt878 Video Capture (rev 11) 00:04.1 Multimedia controller: Brooktree Corporation Bt878 Audio Capture (rev 11) 00:06.0 Multimedia audio controller: Aureal Semiconductor Vortex 2 (rev fe) 00:0e.0 VGA compatible controller: ATI Technologies Inc Rage XL (rev 27) 00:0f.0 Host bridge: Broadcom CSB5 South Bridge (rev 93) 00:0f.1 IDE interface: Broadcom CSB5 IDE Controller (rev 93) 00:0f.2 USB Controller: Broadcom OSB4/CSB5 OHCI USB Controller (rev 05) 00:0f.3 ISA bridge: Broadcom CSB5 LPC bridge 00:10.0 Host bridge: Broadcom CIOB-X2 PCI-X I/O Bridge (rev 03) 00:10.2 Host bridge: Broadcom CIOB-X2 PCI-X I/O Bridge (rev 03) 01:06.0 Ethernet controller: Intel Corporation 82557/8/9 [Ethernet Pro 100] (rev 08) 02:02.0 Network controller: Tiger Jet Network Inc. Tiger3XX Modem/ISDN interface 02:04.0 I2O: Adaptec (formerly DPT) SmartRAID V Controller (rev 02) 02:04.1 PCI bridge: Adaptec (formerly DPT) PCI Bridge (rev 02)
# xm create /etc/xen/02io Using config file "/etc/xen/02io". Error: Error creating domain: pci: failed to locate device and parse it's resources - %s[Errno 2] No such file or directory: '/sys/bus/pci/devices/0000:02:02.0/driver'
# ls /sys/bus/pci/devices/0000\:02\:02.0/ bus config irq modalias resource resource1 subsystem_vendor vendor class device local_cpus power resource0 subsystem_device uevent
# echo -n 0000\:02\:02.0 > /sys/bus/pci/drivers/pciback/bind bash: echo: write error: No such device
# echo -n '0000:02:02.0' > /sys/bus/pci/drivers/pciback/bind bash: echo: write error: No such device
# dmesg | grep pci ACPI: bus type pci registered PCI: If a device doesn't work, try "pci=routeirq". If it helps, post a report pciback 0000:00:00.0: probing... pciback 0000:00:00.1: probing... pciback 0000:00:02.0: probing... pciback 0000:00:04.0: probing... pciback 0000:00:04.1: probing... pciback 0000:00:06.0: probing... pciback 0000:00:0e.0: probing... pciback 0000:00:0f.0: probing... pciback 0000:00:0f.1: probing... pciback 0000:00:0f.2: probing... pciback 0000:00:0f.3: probing... pciback 0000:00:10.0: probing... pciback 0000:00:10.2: probing... pciback 0000:01:06.0: probing... pciback 0000:02:02.0: probing... pciback 0000:02:04.0: probing... pciback 0000:02:04.1: probing... PCI: MSI quirk detected. pci_msi_quirk set. PCI: MSI quirk detected. pci_msi_quirk set. pciback: pcistub_init_devices_late pciback 0000:02:02.0: probing... pciback 0000:02:02.0: probing...
Attached zipped kernel config | 
