First make sure that the device is shown as claimed by pciback on
dom0.
ls /sys/bus/pci/drivers/pciback/ | grep 00:06.0
If it isn't, then ensure that your dom0 kernel has pciback compiled
in (not
as a module). If it's a module, then you must perform late binding,
or
change kernels. The Etch supplied 2.6.18-5-xen kernels have this
compiled
in for example.
Also, I'm assuming your system has one pci bus and all devices start
at
0000: but it couldn't hurt to write everything in long form.
-----Original Message-----
From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
[mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Gaubatz
Patrick
Sent: November 4, 2007 5:24 AM
To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-users] Problems exporting a PCI device to a domU...
Hi!
I am trying to export a PCI device (an AVM Fritzcard PCI ISDN card...)
to a domU but when
starting my domU I am getting this error:
"pciback pci-4-0: 22 Couldn't locate PCI device (0000:00:06.0)!
perhaps already in-use?"
My system is running both debian etch in dom0 and domU...
Below you can find (hopefully) all important information...
Sincerely,
Gaubatz Patrick
####################################
xenmeister:~# uname -a
Linux xenmeister 2.6.18-5-xen-vserver-686 #1 SMP Wed Oct 3 04:36:02
UTC 2007 i686
GNU/Linux
xenmeister:~# lspci | grep AVM
00:06.0 Network controller: AVM Audiovisuelles MKTG & Computer System
GmbH A1 ISDN
[Fritz] (rev 02)
xenmeister:~# cat /boot/grub/menu.lst | grep 00:06.0
# xenkopt=console=tty0 pciback.hide=(00:06.0)
module /boot/vmlinuz-2.6.18-5-xen-vserver-686
root=/dev/md0 ro console=tty0
pciback.hide=(00:06.0)
xenmeister:~# lsmod
Module Size Used by
xt_tcpudp 3904 4
xt_physdev 3792 8
iptable_filter 3872 1
ip_tables 13892 1 iptable_filter
x_tables 14084 3 xt_tcpudp,xt_physdev,ip_tables
bridge 50300 1 xt_physdev
netloop 7360 0
raid456 116496 1
xor 15144 1 raid456
loop 15944 0
ide_cd 36832 0
cdrom 33344 1 ide_cd
ide_disk 15712 6
generic 5636 0 [permanent]
floppy 51716 0
serverworks 9096 0 [permanent]
rtc 13332 0
serial_core 20288 0
i2c_piix4 8908 0
i2c_core 20448 1 i2c_piix4
ide_core 112392 4 ide_cd,ide_disk,generic,serverworks
ehci_hcd 29288 0
uhci_hcd 22188 0
usbcore 114372 3 ehci_hcd,uhci_hcd
thermal 14376 0
processor 29608 1 thermal
fan 5572 0
e1000 110432 0
ext3 123336 1
jbd 53224 1 ext3
mbcache 9124 1 ext3
sd_mod 19808 8
dm_snapshot 16320 0
dm_mirror 20048 0
dm_mod 50968 27 dm_snapshot,dm_mirror
raid1 21984 3
md_mod 71348 6 raid456,raid1
mptspi 16936 6
scsi_transport_spi 23104 1 mptspi
mptscsih 22848 1 mptspi
scsi_mod 125160 4
sd_mod,mptspi,scsi_transport_spi,mptscsih
mptbase 47264 2 mptspi,mptscsih
xenmeister:~# cat /etc/xen/test.cfg
kernel = '/boot/vmlinuz-2.6.18-5-xen-vserver-686'
ramdisk = '/boot/initrd.img-2.6.18-5-xen-vserver-686-domU'
memory = '100'
root = '/dev/sda1 ro'
disk = [ 'phy:data/test-disk,sda1,w', 'phy:data/test-swap,sda2,w' ]
name = 'test'
vif = [ 'ip=10.0.0.19, mac=00:16:3E:00:00:04, vifname=eth4' ]
pci = [ '00:06.0' ]
on_poweroff = 'destroy'
on_reboot = 'restart'
on_crash = 'restart'
xenmeister:~# dmesg | grep pciback
Kernel command line: root=/dev/md0 ro console=tty0
pciback.hide=(00:06.0)
pciback 0000:00:06.0: seizing device
pciback: vpci: 0000:00:06.0: assign to virtual slot 0
pciback pci-4-0: 22 Couldn't locate PCI device (0000:00:06.0)! perhaps
already in-use?
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