[Bugme-new] [Bug 11325] New: Logitech QuickCam Pro 5000 disconnect kills USB port

[bugme-daemon at bugzilla.kernel.org]

http://bugzilla.kernel.org/show_bug.cgi?id=11325

           Summary: Logitech QuickCam Pro 5000 disconnect kills USB port
           Product: v4l-dvb
           Version: unspecified
     KernelVersion: 2.6.27-rc3
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: webcam
        AssignedTo: v4l-dvb_webcam at kernel-bugs.osdl.org
        ReportedBy: idht4n at gmail.com


Latest working kernel version: NA
Earliest failing kernel version: NA
Distribution: fedora9
Hardware Environment: i686
Software Environment:
Problem Description: connecting and then disconnecting Logitech QuickCam Pro
5000 leaves USB port unusable.

dmesg output looks like this:
sb 1-8: new high speed USB device using ehci_hcd and address 5
usb 1-8: configuration #1 chosen from 1 choice
usb 1-8: New USB device found, idVendor=046d, idProduct=08c5
usb 1-8: New USB device strings: Mfr=0, Product=0, SerialNumber=0
uvcvideo: Found UVC 1.00 device <unnamed> (046d:08c5)
input: UVC Camera (046d:08c5) as
/devices/pci0000:00/0000:00:1d.7/usb1/1-8/1-8:1.0/input/input5
usbcore: registered new interface driver snd-usb-audio
usbcore: registered new interface driver uvcvideo
USB Video Class driver (v0.1.0)
ehci_hcd 0000:00:1d.7: HC died; cleaning up
hub 1-0:1.0: hub_port_status failed (err = -19)
hub 1-0:1.0: connect-debounce failed, port 8 disabled
usb 1-8: USB disconnect, address 5
irq 21: nobody cared (try booting with the "irqpoll" option)
Pid: 0, comm: swapper Not tainted 2.6.27-rc3 #1
 [<c045663c>] __report_bad_irq+0x2e/0x6f
 [<c0456836>] note_interrupt+0x1b9/0x20b
 [<c0455e3b>] ? handle_IRQ_event+0x21/0x48
 [<c0456de2>] handle_fasteoi_irq+0x8f/0xaf
 [<c0456d53>] ? handle_fasteoi_irq+0x0/0xaf
 [<c0405766>] do_IRQ+0x9a/0xc4
 [<c04042ab>] common_interrupt+0x23/0x28
 [<c0408374>] ? mwait_idle+0x32/0x37
 [<c04029de>] cpu_idle+0xb5/0xd7
 [<c060a07e>] rest_init+0x4e/0x50
 =======================
handlers:
[<c056ab88>] (usb_hcd_irq+0x0/0x5d)
[<c056ab88>] (usb_hcd_irq+0x0/0x5d)
Disabling IRQ #21

Steps to reproduce: Plug in Logitech QuickCam Pro 5000 then unplug it and try
to plug another device into USB.


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