XSane confounded by USB camera

[Spetiam]

If a USB camera and a scanner are plugged in, XSane will detect and try
(unsuccessfully) to use the camera, (1) not the scanner. If the camera is
unplugged, XSane can detect and use the scanner, (2) but works correctly ONLY if
XSane is run as root.

[Martin Pitt (pitti)]

This suspiciously sounds like bug #8241.

Can you please stick in both the camera and the scanner and send the output of
the following commands:

  lsusb
  ls -lR /proc/bus/usb
  cat /proc/bus/usb/devices/

Thanks!

[Spetiam (spetiam)]

(In reply to comment #1)

Sorry it's taken me so long to get back to you. Here's the requested
information. I think you're right, this may just be a rehash of bug #8241,
because today the scanner/xsane works (still must sudo) with the USB camera
plugged in at the same time. I'm not sure if I tried the scanner + camera + sudo
combination earlier. Sorry if this is a duplicate. Thank you.

Anyhow, here's the info:

=================================================================
First as user:
=================================================================
spetiam@ubuntu ~ $ lsusb
Bus 005 Device 001: ID 0000:0000
Bus 004 Device 002: ID 0545:8080 Xirlink, Inc. IBM C-It WebCam
Bus 004 Device 001: ID 0000:0000
Bus 003 Device 003: ID 03f0:1016 Hewlett-Packard Jornada 548 Pocket PC
Bus 003 Device 001: ID 0000:0000
Bus 002 Device 001: ID 0000:0000
Bus 001 Device 001: ID 0000:0000
spetiam@ubuntu ~ $ ls -lR /proc/bus/usb
/proc/bus/usb:
total 0
dr-xr-xr-x 2 root root 0 Nov 13 09:36 001
dr-xr-xr-x 2 root root 0 Nov 13 09:36 002
dr-xr-xr-x 2 root root 0 Nov 13 09:36 003
dr-xr-xr-x 2 root root 0 Nov 13 09:36 004
dr-xr-xr-x 2 root root 0 Nov 13 09:36 005
-r--r--r-- 1 root root 0 Nov 13 09:55 devices

/proc/bus/usb/001:
total 0
-rw-r--r-- 1 root root 43 Nov 13 09:36 001

/proc/bus/usb/002:
total 0
-rw-r--r-- 1 root root 43 Nov 13 09:36 001

/proc/bus/usb/003:
total 0
-rw-r--r-- 1 root root 43 Nov 13 09:36 001
-rw-r--r-- 1 root root 57 Nov 13 09:36 003
-rw-rw---- 1 root scanner 57 Nov 13 09:58 005

/proc/bus/usb/004:
total 0
-rw-r--r-- 1 root root 43 Nov 13 09:36 001
-rw-r--r-- 1 root root 91 Nov 13 09:37 002

/proc/bus/usb/005:
total 0
-rw-r--r-- 1 root root 43 Nov 13 09:36 001
spetiam@ubuntu ~ $ cat /proc/bus/usb/devices/
cat: /proc/bus/usb/devices/: Not a directory
spetiam@ubuntu ~ $ cat /proc/bus/usb/devices

T: Bus=05 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=480 MxCh= 5
B: Alloc= 0/800 us ( 0%), #Int= 0, #Iso= 0
D: Ver= 2.00 Cls=09(hub ) Sub=00 Prot=01 MxPS= 8 #Cfgs= 1
P: Vendor=0000 ProdID=0000 Rev= 2.06
S: Manufacturer=Linux 2.6.8.1-2-386 ehci_hcd
S: Product=NEC Corporation USB 2.0
S: SerialNumber=0000:00:0d.2
C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr= 0mA
I: If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub
E: Ad=81(I) Atr=03(Int.) MxPS= 2 Ivl=256ms

T: Bus=04 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=12 MxCh= 2
B: Alloc= 0/900 us ( 0%), #Int= 0, #Iso= 0
D: Ver= 1.10 Cls=09(hub ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1
P: Vendor=0000 ProdID=0000 Rev= 2.06
S: Manufacturer=Linux 2.6.8.1-2-386 ohci_hcd
S: Product=NEC Corporation USB (#2)
S: SerialNumber=0000:00:0d.1
C:* #Ifs= 1 Cfg#= 1 Atr=c0 MxPwr= 0mA
I: If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub
E: Ad=81(I) Atr=03(Int.) MxPS= 2 Ivl=255ms

T: Bus=04 Lev=01 Prnt=01 Port=01 Cnt=01 Dev#= 2 Spd=12 MxCh= 0
D: Ver= 1.01 Cls=ff(vend.) Sub=ff Prot=ff MxPS= 8 #Cfgs= 1
P: Vendor=0545 ProdID=8080 Rev= 3.0a
S: Product...

[Matt Zimmerman (mdz)]

This bug has been marked as a duplicate of bug 8241.