[sane-devel] Permission problems with Kernel 2.6.4

Christoph Bier christoph.bier@web.de
Thu, 15 Apr 2004 15:24:37 +0200

Hi all!

Yesterday, I tried to scan on my laptop running Kernel 2.6.4 for the
first time. Some months ago with Kernel 2.4.x scanning was no
problem. Now that scanner.o disappeared and everything is based on
libusb there seem to be problems with permissions -- but I don't
know where. Here are some information:

Debian Woody (with a little bit of Sarge and Sid)
Kernel 2.6.4
libusb-0.1-4   0.1.8-8
libsane        1.0.13-4
sane           1.0.11+cvs2004
sane-utils     1.0.13-4
xsane          0.92-2

(skull = Root)
skull:~# sane-find-scanner
found USB scanner (vendor=0x055f, product=0x021d [USB Scanner],
chip=GT-6816) at libusb:002:003

skull:~# scanimage -L
device `gt68xx:libusb:002:003' is a Mustek BearPaw 2400 CU Plus
flatbed scanner

skull:~# ls -l /proc/bus/usb/002/003
-rw-rw----    1 root     scanner        50 Apr 15 11:37

skull:~# ls -l /dev/usb/scanner0
crw-rw----    1 root     scanner  180,  48 Mar 14  2002
(the same for all scanner*; but not relevant for libusb, right?)

none on /proc/bus/usb type usbfs (rw)

chris disk cdrom audio staff scanner

  # No USB scanners found. [...]

As Root everything works fine (xsane, too), so there must be a
permission problem as user. But AFAICS everything's ok with my
configuration. Did I overlook anything? -- TIA!

Best regards
Christoph Bier, Dipl.Oecotroph.

»Unix is very user friendly, it's just picky about who its friends are.«
				       --Autor unbekannt