usb visor troubles with fedora kernel 2.4.22-1.2135.nptl

[Pete Zaitcev]

> EIP is at usb_serial_disconnect [usbserial] 0x6c (2.4.22-1.2135.nptl)
> Call Trace:   [<e1c6d4e0>] usb_serial_driver [usbserial] 0x20 (0xdfd33f20)
> [<e1c6d4c0>] usb_serial_driver [usbserial] 0x0 (0xdfd33f24)
> [<e083032f>] usb_disconnect_R66c7d0ec [usbcore] 0x9f (0xdfd33f30)
> [<e0833260>] usb_hub_port_connect_change [usbcore] 0x270 (0xdfd33f5c)
> [<e0832c8c>] usb_hub_port_status [usbcore] 0x6c (0xdfd33f70)
> [<e0833558>] usb_hub_events [usbcore] 0x2e8 (0xdfd33f90)
> [<e08335f5>] usb_hub_thread [usbcore] 0x45 (0xdfd33fbc)

https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=112211

-- Pete