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[Xen-users] pciback not working

To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-users] pciback not working
From: "Pascal Parrot" <pascal_parrot@xxxxxxxxxxx>
Date: Sat, 30 Sep 2006 21:51:03 +0000
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I am still trying to assign pci or usbs to a domU. I get to the point where pciback seizes the devices (5 usb and 2 pci). I modified the configuration of the domU with pci = [ '00:1d.0' , '00:1d.1' , '00:1d.2' , '00:1d.3' , '00:1d.7', '02:01.0' , '02:02.0' ] but nothing shows up in the domU:

[root@web ~]# lsusb
[root@web ~]# lspci
pcilib: Cannot open /proc/bus/pci
lspci: Cannot find any working access method.
[root@web ~]#

How can I make the domU recognize the two LAN interface and 2 usb devices (usb drive and ethernet interface) plugged in?


Here is part of the dmesg
pciback 0000:00:1d.0: seizing device
pciback 0000:00:1d.1: seizing device
pciback 0000:00:1d.2: seizing device
pciback 0000:00:1d.3: seizing device
pciback 0000:00:1d.7: seizing device
pciback 0000:02:01.0: seizing device
pciback 0000:02:02.0: seizing device
ACPI: PCI Interrupt 0000:02:02.0[A] -> GSI 17 (level, low) -> IRQ 17
ACPI: PCI Interrupt 0000:02:01.0[A] -> GSI 22 (level, low) -> IRQ 18
ACPI: PCI Interrupt 0000:00:1d.7[D] -> GSI 23 (level, low) -> IRQ 19
ACPI: PCI Interrupt 0000:00:1d.3[A] -> GSI 16 (level, low) -> IRQ 20
ACPI: PCI Interrupt 0000:00:1d.2[C] -> GSI 18 (level, low) -> IRQ 16
ACPI: PCI Interrupt 0000:00:1d.1[B] -> GSI 19 (level, low) -> IRQ 21
ACPI: PCI Interrupt 0000:00:1d.0[A] -> GSI 16 (level, low) -> IRQ 20

After I start the domU
pciback: vpci: 0000:00:1d.0: assign to virtual slot 0
pciback: vpci: 0000:00:1d.1: assign to virtual slot 0 func 1
pciback: vpci: 0000:00:1d.2: assign to virtual slot 0 func 2
pciback: vpci: 0000:00:1d.3: assign to virtual slot 0 func 3
pciback: vpci: 0000:00:1d.7: assign to virtual slot 0 func 7
pciback: vpci: 0000:02:01.0: assign to virtual slot 1
pciback: vpci: 0000:02:02.0: assign to virtual slot 2

There is an eror message in xm dmesg but, from what I read, it does not seem to be a problem. (XEN) DOM4: (file=mm.c, line=578) Non-privileged attempt to map I/O space 00000000 (XEN) DOM4: (file=mm.c, line=578) Non-privileged attempt to map I/O space 00000000

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