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[Xen-devel] Problem passing a HP-DAT (USB) device to domU (fwd) (this time with outputs!)



(lspci-output added at the end of this mail!) Hi specialists,
I'm trying to pass an HP Surestore USB-drive to a domU. I'm hiding the
pci-device in the dom0, and capturing it in the domU. Although this works fine I receive the following lines in /var/log/syslog of the dom0 after a reboot
=======================================================================
Aug  8 00:04:49 localhost kernel: pciback 0000:00:1d.7: Driver tried to
write to a read-only configuration space field at offset 0x54,
size 2. This may be harmless, but if you have problems with your device:
Aug  8 00:04:49 localhost kernel: 1) see permissive attribute in sysfs
Aug  8 00:04:49 localhost kernel: 2) report problems to the xen-devel
mailing list along with details of your device obtained from lspci.
======================================================================= and the tapedrive wouldn't work: udev fails to create devicefiles in the domU.
I'm not quite sure what I'm expected to check in the /sys-tree: root has
write-permissions all the way down the branches. I'm using the stable version of the xen-hypervisor 3.0.3-0-2 (debian).
As I kind of *need* this functionality I'd be very grateful for any
kind of help or hint. Thanx in advance,
Bests from Vienna/Austria
Matthew A. Wolf pS.: THANKS a whole lot for such a fine piece of software! ppS.: SORRY! Forgot the output of lspci in the last mail - here is the output from lspci in the dom0:
===================================================================
00:00.0 Host bridge: Intel Corporation 5000V Chipset Memory Controller Hub (rev b1) 00:02.0 PCI bridge: Intel Corporation 5000 Series Chipset PCI Express x8 Port 2-3 (rev b1) 00:03.0 PCI bridge: Intel Corporation 5000 Series Chipset PCI Express x4 Port 3 (rev b1) 00:08.0 System peripheral: Intel Corporation 5000 Series Chipset DMA Engine (rev b1) 00:10.0 Host bridge: Intel Corporation 5000 Series Chipset Error Reporting Registers (rev b1) 00:10.1 Host bridge: Intel Corporation 5000 Series Chipset Error Reporting Registers (rev b1) 00:10.2 Host bridge: Intel Corporation 5000 Series Chipset Error Reporting Registers (rev b1) 00:11.0 Host bridge: Intel Corporation 5000 Series Chipset Reserved Registers (rev b1) 00:13.0 Host bridge: Intel Corporation 5000 Series Chipset Reserved Registers (rev b1) 00:15.0 Host bridge: Intel Corporation 5000 Series Chipset FBD Registers (rev b1) 00:16.0 Host bridge: Intel Corporation 5000 Series Chipset FBD Registers (rev b1) 00:1c.0 PCI bridge: Intel Corporation 631xESB/632xESB/3100 Chipset PCI Express Root Port 1 (rev 09) 00:1d.0 USB Controller: Intel Corporation 631xESB/632xESB/3100 Chipset UHCI USB Controller #1 (rev 09) 00:1d.1 USB Controller: Intel Corporation 631xESB/632xESB/3100 Chipset UHCI USB Controller #2 (rev 09) 00:1d.2 USB Controller: Intel Corporation 631xESB/632xESB/3100 Chipset UHCI USB Controller #3 (rev 09) 00:1d.3 USB Controller: Intel Corporation 631xESB/632xESB/3100 Chipset UHCI USB Controller #4 (rev 09) 00:1d.7 USB Controller: Intel Corporation 631xESB/632xESB/3100 Chipset EHCI USB2 Controller (rev 09)
00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev d9)
00:1f.0 ISA bridge: Intel Corporation 631xESB/632xESB/3100 Chipset LPC Interface Controller (rev 09) 00:1f.1 IDE interface: Intel Corporation 631xESB/632xESB IDE Controller (rev 09) 00:1f.2 IDE interface: Intel Corporation 631xESB/632xESB/3100 Chipset SATA Storage Controller IDE (rev 09) 00:1f.3 SMBus: Intel Corporation 631xESB/632xESB/3100 Chipset SMBus Controller (rev 09) 01:00.0 PCI bridge: Intel Corporation 6311ESB/6321ESB PCI Express Upstream Port (rev 01) 01:00.3 PCI bridge: Intel Corporation 6311ESB/6321ESB PCI Express to PCI-X Bridge (rev 01) 02:00.0 PCI bridge: Intel Corporation 6311ESB/6321ESB PCI Express Downstream Port E1 (rev 01) 02:01.0 PCI bridge: Intel Corporation 6311ESB/6321ESB PCI Express Downstream Port E2 (rev 01) 02:02.0 PCI bridge: Intel Corporation 6311ESB/6321ESB PCI Express Downstream Port E3 (rev 01) 05:00.0 Ethernet controller: Intel Corporation 631xESB/632xESB DPT LAN Controller Copper (rev 01) 05:00.1 Ethernet controller: Intel Corporation 631xESB/632xESB DPT LAN Controller Copper (rev 01)
09:0c.0 VGA compatible controller: ATI Technologies Inc ES1000 (rev 02)
09:0d.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8029(AS)
======================================================================
The device in question is 00:1d.7. The output of lspci in the domU is:
======================================================================
00:00.7 USB Controller: Intel Corporation 631xESB/632xESB/3100 Chipset EHCI USB2 Controller (rev 09) ======================================================================
and the output of lsusb in the domU:
======================================================================
Bus 001 Device 002: ID 03f0:0125 Hewlett-Packard
Bus 001 Device 001: ID 0000:0000
======================================================================
What other information can I provide?

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