Comment 25 for bug 468701

Hello Till,
Here are my results:

------------------------------------------------------
$ sudo /usr/lib/cups/backend/usb
DEBUG: list_devices_libusb
DEBUG: usb_find_busses=8
DEBUG: usb_find_devices=15
Segmentation fault
-------------------------------------------------------

-------------------------------------------------------
$ sudo usb_printerid /dev/usb/lp0
GET_DEVICE_ID string:
--------------------------------------------------------

---------------------------------------------------------
$ sudo usb_printerid /dev/usb/lp1
Error: No such file or directory: can't open '/dev/usb/lp1'
----------------------------------------------------------

----------------------------------------------------------
$ lsusb
Bus 008 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 002: ID 04e8:3008 Samsung Electronics Co., Ltd ML-6060 laser printer
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 003: ID 413c:2105 Dell Computer Corp. Model L100 Keyboard
Bus 003 Device 002: ID 413c:3012 Dell Computer Corp. Optical Wheel Mouse
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 003: ID 046d:0809 Logitech, Inc.
Bus 002 Device 002: ID 0bda:0151 Realtek Semiconductor Corp. Mass Storage Device
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 006: ID 04a9:2225 Canon, Inc. CanoScan LiDE 70
Bus 001 Device 004: ID 13b1:0014 Linksys
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
---------------------------------------------------------------

----------------------------------------------------------------
$ ls -l /dev/usb/lp* /dev/bus/usb/*/*
crw-rw-r-- 1 root root 189, 0 2010-05-03 08:16 /dev/bus/usb/001/001
crw-rw-r-- 1 root root 189, 3 2010-05-03 08:16 /dev/bus/usb/001/004
crw-rw-r-- 1 root root 189, 5 2010-05-03 08:16 /dev/bus/usb/001/006
crw-rw-r-- 1 root root 189, 128 2010-05-03 08:16 /dev/bus/usb/002/001
crw-rw-r-- 1 root root 189, 129 2010-05-03 08:16 /dev/bus/usb/002/002
crw-rw-r-- 1 root root 189, 130 2010-05-03 08:16 /dev/bus/usb/002/003
crw-rw-r-- 1 root root 189, 256 2010-05-03 08:16 /dev/bus/usb/003/001
crw-rw-r-- 1 root root 189, 257 2010-05-03 08:16 /dev/bus/usb/003/002
crw-rw-r-- 1 root root 189, 258 2010-05-03 08:16 /dev/bus/usb/003/003
crw-rw-r-- 1 root root 189, 384 2010-05-03 08:16 /dev/bus/usb/004/001
crw-rw-r-- 1 root root 189, 512 2010-05-03 08:16 /dev/bus/usb/005/001
crw-rw-r-- 1 root lp 189, 513 2010-05-03 08:16 /dev/bus/usb/005/002
crw-rw-r-- 1 root root 189, 640 2010-05-03 08:16 /dev/bus/usb/006/001
crw-rw-r-- 1 root root 189, 768 2010-05-03 08:16 /dev/bus/usb/007/001
crw-rw-r-- 1 root root 189, 896 2010-05-03 08:16 /dev/bus/usb/008/001
crw-rw---- 1 root lp 180, 0 2010-05-03 08:16 /dev/usb/lp0
--------------------------------------------------------------------------------------------------------

Thank in advance,
Carlos