Bug#299721: xsane on epson perfection 1260 -- sometimes scanner gets wedged

[Leech Joe]

Same Scanner same Problem, but here _everytime_ the scanner gets wedged. 
With knoppix 3.7 no problems occured.

/var/log/kern.log
---snip---
...
kernel: usb 2-2: usbfs: interface 0 claimed while 'xsane' sets config #1
---snip---
sane-find-scanner -v:
---snip---
This is sane-find-scanner from sane-backends 1.0.15
...
searching for USB scanners:
checking /dev/usb/scanner... failed to open (Invalid argument)
...
checking /dev/usbscanner15... failed to open (Invalid argument)
found USB scanner (vendor=0x04b8 [EPSON], product=0x011d [EPSON 
Scanner], chip=LM9832/3) at libusb:002:005
...
done
---snip---
(I removed the comments and the scsi section)

USB_DEBUG=255 xsane
---snip---
usb_set_debug: Setting debugging level to 255 (on)
usb_os_init: Found USB VFS at /proc/bus/usb
usb_os_find_busses: Found 003
usb_os_find_busses: Found 002
usb_os_find_busses: Found 001
usb_os_find_busses: Skipping non bus directory devices
usb_os_find_devices: couldn't get connect info
usb_os_find_devices: Found 005 on 003
skipped 1 class/vendor specific interface descriptors
usb_os_find_devices: couldn't get connect info
usb_os_find_devices: Found 004 on 003
skipped 1 class/vendor specific interface descriptors
skipped 1 class/vendor specific interface descriptors
usb_os_find_devices: couldn't get connect info
usb_os_find_devices: Found 003 on 003
usb_os_find_devices: couldn't get connect info
usb_os_find_devices: Found 002 on 003
usb_os_find_devices: couldn't get connect info
usb_os_find_devices: Found 001 on 003
error obtaining child information: Operation not permitted
error obtaining child information: Operation not permitted
error obtaining child information: Operation not permitted
error obtaining child information: Operation not permitted
error obtaining child information: Operation not permitted
usb_os_find_devices: Found 005 on 002
usb_os_find_devices: couldn't get connect info
usb_os_find_devices: Found 002 on 002
usb_os_find_devices: couldn't get connect info
usb_os_find_devices: Found 001 on 002
error obtaining child information: Inappropriate ioctl for device
error obtaining child information: Operation not permitted
error obtaining child information: Operation not permitted
usb_os_find_devices: couldn't get connect info
usb_os_find_devices: Found 001 on 001
error obtaining child information: Operation not permitted
usb_set_debug: Setting debugging level to 255 (on)
usb_os_init: Found USB VFS at /proc/bus/usb
usb_set_debug: Setting debugging level to 255 (on)
usb_os_init: Found USB VFS at /proc/bus/usb
usb_set_debug: Setting debugging level to 255 (on)
usb_os_init: Found USB VFS at /proc/bus/usb
usb_set_debug: Setting debugging level to 255 (on)
usb_os_init: Found USB VFS at /proc/bus/usb
usb_set_debug: Setting debugging level to 255 (on)
usb_os_init: Found USB VFS at /proc/bus/usb
usb_set_debug: Setting debugging level to 255 (on)
usb_os_init: Found USB VFS at /proc/bus/usb
usb_set_debug: Setting debugging level to 255 (on)
usb_os_init: Found USB VFS at /proc/bus/usb
usb_set_debug: Setting debugging level to 255 (on)
usb_os_init: Found USB VFS at /proc/bus/usb
usb_os_find_busses: Found 003
usb_os_find_busses: Found 002
usb_os_find_busses: Found 001
usb_os_find_busses: Skipping non bus directory devices
usb_os_find_devices: couldn't get connect info
usb_os_find_devices: Found 005 on 003
skipped 1 class/vendor specific interface descriptors
usb_os_find_devices: couldn't get connect info
usb_os_find_devices: Found 004 on 003
skipped 1 class/vendor specific interface descriptors
skipped 1 class/vendor specific interface descriptors
usb_os_find_devices: couldn't get connect info
usb_os_find_devices: Found 003 on 003
usb_os_find_devices: couldn't get connect info
usb_os_find_devices: Found 002 on 003
usb_os_find_devices: couldn't get connect info
usb_os_find_devices: Found 001 on 003
error obtaining child information: Operation not permitted
error obtaining child information: Operation not permitted
error obtaining child information: Operation not permitted
error obtaining child information: Operation not permitted
error obtaining child information: Operation not permitted
usb_os_find_devices: Found 005 on 002
usb_os_find_devices: couldn't get connect info
usb_os_find_devices: Found 002 on 002
usb_os_find_devices: couldn't get connect info
usb_os_find_devices: Found 001 on 002
error obtaining child information: Inappropriate ioctl for device
error obtaining child information: Operation not permitted
error obtaining child information: Operation not permitted
usb_os_find_devices: couldn't get connect info
usb_os_find_devices: Found 001 on 001
error obtaining child information: Operation not permitted
usb_set_debug: Setting debugging level to 255 (on)
usb_os_init: Found USB VFS at /proc/bus/usb
Check that you have permissions to write to 002/005 and, if you don't, 
that you set up hotplug (http://linux-hotplug.sourceforge.net/) correctly.
USB error: could not claim interface 0: Device or resource busy
usb_set_debug: Setting debugging level to 255 (on)
usb_os_init: Found USB VFS at /proc/bus/usb
usb_set_debug: Setting debugging level to 255 (on)
usb_os_init: Found USB VFS at /proc/bus/usb
usb_set_debug: Setting debugging level to 255 (on)
usb_os_init: Found USB VFS at /proc/bus/usb
usb_set_debug: Setting debugging level to 255 (on)
usb_os_init: Found USB VFS at /proc/bus/usb
usb_set_debug: Setting debugging level to 255 (on)
usb_os_init: Found USB VFS at /proc/bus/usb
usb_set_debug: Setting debugging level to 255 (on)
usb_os_init: Found USB VFS at /proc/bus/usb
usb_set_debug: Setting debugging level to 255 (on)
usb_os_init: Found USB VFS at /proc/bus/usb
usb_set_debug: Setting debugging level to 255 (on)
usb_os_init: Found USB VFS at /proc/bus/usb
usb_set_debug: Setting debugging level to 255 (on)
usb_os_init: Found USB VFS at /proc/bus/usb
usb_set_debug: Setting debugging level to 255 (on)
usb_os_init: Found USB VFS at /proc/bus/usb
usb_set_debug: Setting debugging level to 255 (on)
usb_os_init: Found USB VFS at /proc/bus/usb
usb_set_debug: Setting debugging level to 255 (on)
usb_os_init: Found USB VFS at /proc/bus/usb
---snip---

Further the device entries are net present in /dev/usb. The same happens 
if I use it as superuser.

Best regards, Joachim Lechner
-- System Information:
Debian Release: 3.1
  APT prefers unstable
  APT policy: (500, 'unstable')
Architecture: i386 (i686)
Kernel: Linux 2.6.11.6a
Locale: LANG=en_GB.ISO-8859-15, [EMAIL PROTECTED] (charmap=ISO-8859-15)
Versions of packages libsane depends on:
ii  adduser                     3.63         Add and remove users and groups
ii  debconf                     1.4.47       Debian configuration 
management sy
ii  libc6                       2.3.2.ds1-20 GNU C Library: Shared 
libraries an
ii  libgphoto2-2                2.1.5-4      gphoto2 digital camera library
ii  libgphoto2-port0            2.1.5-4      gphoto2 digital camera port 
librar
ii  libieee1284-3               0.2.10-1     cross-platform library for 
paralle
ii  libjpeg62                   6b-10        The Independent JPEG 
Group's JPEG
ii  libusb-0.1-4                2:0.1.10a-8  userspace USB programming 
library
ii  makedev                     2.3.1-78     creates device files in /dev
di  sane-utils                  1.0.15-8     API library for scanners -- 
utilit

-- no debconf information
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