Hi,

we have built a linux kernel (version 2.4.22) with hot-plugging USB device
support:

/proc/tty/driver/usb-serial
usbserinfo: 1.0  driver: v1.4
0: module: ftdi_sio  name: "FTDI 8U232 AM Compatible"
    vendor: 0403  product: 6001 num-ports: 1  port: 1
    path: usb-00:07.2-1

usb-uhci.c: v1.275 USB Universal Host Controller Interface driver
 
I have successfully connected one USB serial device (tty console) to the USB
bus and opened (/dev/usb/ttyUSB0) by an application (terminal session). Then
I have disconnected the USB serial device from the USB bus, during the USB
device is still opened. The disconnect operation fails and a kernel oops
occurs!!

Please find enclosed the information about the occurred kernel oops:

 <<kernel oops info 13112003.doc>> 


I looking forward to receiving  your information.

Kind regards
Wolfgang Zodel
Tenovis,  Kleyerstr. 94, D-60326 Frankfurt
MPI/SFS
T +49 (0) 7505 3712
email: [EMAIL PROTECTED] 

Attachment: kernel oops info 13112003.doc
Description: MS-Word document

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