[Xen-bugs] [Bug 1093] New: pciback.hide doesn't work

http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1093

           Summary: pciback.hide doesn't work
           Product: Xen
           Version: unstable
          Platform: x86
        OS/Version: Linux-2.6
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Hypervisor
        AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
        ReportedBy: janul666@xxxxxxxxx


I use xen 3.1 installed from source.
1. before hide pci

 # lspci -vt
-+-[0000:05]---02.0  Compaq Computer Corporation Smart Array 64xx
 +-[0000:02]-+-01.0  Intel Corporation 82546EB Gigabit Ethernet Controller
(Copper)
 |           \-01.1  Intel Corporation 82546EB Gigabit Ethernet Controller
(Copper)
 \-[0000:00]-+-00.0  Broadcom CMIC-WS Host Bridge (GC-LE chipset)
             +-00.1  Broadcom CMIC-WS Host Bridge (GC-LE chipset)
             +-00.2  Broadcom CMIC-LE
             +-02.0  Adaptec AHA-3960D / AIC-7899A U160/m
             +-02.1  Adaptec AHA-3960D / AIC-7899A U160/m
             +-03.0  ATI Technologies Inc Rage XL
             +-04.0  Broadcom Corporation NetXtreme BCM5702X Gigabit Ethernet
             +-05.0  Compaq Computer Corporation Advanced System Management
Controller
             +-0f.0  Broadcom CSB5 South Bridge
             +-0f.1  Broadcom CSB5 IDE Controller
             +-0f.2  Broadcom OSB4/CSB5 OHCI USB Controller
             +-0f.3  Broadcom CSB5 LPC bridge
             +- 11.0  Broadcom CIOB-X2 PCI-X I/O Bridge
             \-11.2  Broadcom CIOB-X2 PCI-X I/O Bridge

# lspci -v
...
00:0f.2 USB Controller: Broadcom OSB4/CSB5 OHCI USB Controller (rev 05)
(prog-if 10 [OHCI])
        Subsystem: Broadcom OSB4/CSB5 OHCI USB Controller
        Flags: bus master, medium devsel, latency 64, IRQ 11
        Memory at f5fc0000 (32-bit, non-prefetchable) [size=4K]
...

# lsusb
Bus 001 Device 002: ID 04e8:3242 Samsung Electronics Co., Ltd
Bus 001 Device 001: ID 0000:0000

---------------------------
2.  hiding pci from Dom0


# echo -n '0000:00:0f.2' > /sys/bus/pci/drivers/ohci_hcd/unbind
# echo -n '0000:00:0f.2' > /sys/bus/pci/drivers/pciback/new_slot
# echo -n '0000:00:0f.2' >  /sys/bus/pci/drivers/pciback/bind

-----------------
3. after hiding


# lspci -v
...
00:0f.2 USB Controller: Broadcom OSB4/CSB5 OHCI USB Controller (rev 05)
(prog-if 10 [OHCI])
        Subsystem: Broadcom OSB4/CSB5 OHCI USB Controller
        Flags: medium devsel, IRQ 11
        Memory at f5fc0000 (32-bit, non-prefetchable) [disabled] [size=4K]
...
# lsusb
[empty]


I happens with other pci (eth) too.


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