[sane-devel] SNAPSCAN 1212U and libusb troubles

[Barbara Post]

Hi,

Sorry I tried to post with the wrong e-mail.
So here it goes again.

I use debian testing with a 2.6.1 kernel.
Since "scanner" is obsolete now I tried to setup my scanner with libusb.
But after much struggling I haven't succeeded for now. I hope you can
give me some light :-)

sane-find-scanner works fine.

found USB scanner (vendor=0x06bd [AGFA], product=0x2061 [
Snapscan1212u_2]) at libusb:001:003

xsane launched as user won't work:

barbara at babs1:~$ xsane
[sanei_debug] Setting debug level of snapscan to 64.
[snapscan] sane_snapscan_init
[snapscan] sane_snapscan_init: Snapscan backend version 1.4.35
[snapscan] add_usb_device(/dev/usb/scanner0 bus=usb)
[snapscan] add_usb_device: Detected (kind of) an USB device
[snapscan] snapscani_usb_open(/dev/usb/scanner0)
[snapscan] add_usb_device: error opening device /dev/usb/scanner0:
Invalid argument
[snapscan] add_usb_device(libusb:001:003)
[snapscan] add_usb_device: Detected (kind of) an USB device
[snapscan] snapscani_usb_open(libusb:001:003)
[snapscan] add_usb_device: error opening device libusb:001:003: Access
to resource has been denied
[snapscan] sane_snapscan_get_devices (0xbfffe748, 0)
[snapscan] sane_snapscan_exit

xsane launched as root segfaults (when you read "erreur de segmentation"
at the last line).

babs1:/home/barbara# xsane
[sanei_debug] Setting debug level of snapscan to 128.
[snapscan] sane_snapscan_init
[snapscan] sane_snapscan_init: Snapscan backend version 1.4.35
[snapscan] add_usb_device(/dev/usb/scanner0 bus=usb)
[snapscan] add_usb_device: Detected (kind of) an USB device
[snapscan] snapscani_usb_open(/dev/usb/scanner0)
[snapscan] add_usb_device: error opening device /dev/usb/scanner0:
Invalid argum
ent
[snapscan] add_usb_device(libusb:001:003)
[snapscan] add_usb_device: Detected (kind of) an USB device
[snapscan] snapscani_usb_open(libusb:001:003)
[snapscan] add_usb_device: Checking if 0x06bd is a supported USB vendor ID
[snapscan] snapscani_check_device()
[snapscan] mini_inquiry
[snapscan] snapscan_cmd
[snapscan] snapscani_usb_cmd(1,0xbfffd350,6,0xbfffd320,0xbfffd31c (36))
[snapscan] atomic_usb_cmd(1,0xbfffd350,6,0xbfffd320,0xbfffd31c (36))
[snapscan] usb_cmd(1,0xbfffd350,6,0xbfffd320,0xbfffd31c (36))
[snapscan] usb_cmd: cmdlen=6, datalen=0
[snapscan] usb_write: writing:  0x12 0x00 0x00 0x00 0x24 0x00
[snapscan] usb_read: reading:  0xf9 0x00 0x00 0x00 0x00 0x00 0x00 0x00
[snapscan] usb_read: reading:  0x06 0x00 0x02 0x02 0x49 0x00 0x00 0x00
0x41 0x47
  ...
[snapscan] usb_read: reading:  0xfb 0x00 0x00 0x00 0x00 0x00 0x00 0x00
[snapscan] snapscani_check_device: Is vendor "AGFA" model "SNAPSCAN
1212U_2" a s
upported scanner?
[snapscan] snapscani_get_model_id(SNAPSCAN 1212U_2, 1, 2)
[snapscan] snapscani_get_model_id: looking up scanner for ID 0x06bd,0x2061.
[snapscan] snapscani_check_device: Autodetected driver: SnapScan1212
[snapscan] snapscani_usb_close(1)
[snapscan] snapscani_init_device_structure()
[snapscan] sane_snapscan_get_devices (0xbfffe548, 0)
[snapscan] sane_snapscan_open (libusb:001:003, 0xbffff3c4)
[snapscan] find_device
[snapscan] sane_snapscan_open: Allocating 64512 bytes as scanner buffer.
[snapscan] sane_snapscan_open: allocated scanner structure at 0x817c810
[snapscan] open_scanner
[snapscan] snapscani_usb_open(libusb:001:003)

Configuration:

barbara at babs1:/$ cat /etc/hotplug/usb/libsane.usermap
# This file is installed by the libsane Debian package.
#
# Sample entry (replace 0xVVVV and 0xPPPP with vendor ID and product ID
respectively) :
  libusbscanner      0x0003      0x06bd   0x2061    0x0000       0x0000
       0x00         0x00            0x00            0x00            0x00
               0x00               0x00000000
#
# usb module         match_flags idVendor idProduct bcdDevice_lo
bcdDevice_hi bDeviceClass bDeviceSubClass bDeviceProtocol
bInterfaceClass bInterfaceSubClass bInterfaceProtocol driver_info
#

barbara at babs1:~$ cat /etc/sane.d/snapscan.conf
# Change to the fully qualified filename of your firmware file, if
# firmware upload is needed by the scanner
firmware /etc/sane.d/SnapScan1212U_2.bin

# If not automatically found you may manually specify a device name.

# For USB scanners also specify bus=usb, e.g.
  /dev/usb/scanner0 bus=usb
# /dev/usbscanner bus=usb

# I have commented all the scanners and left only mine:

# Agfa 1212U
#usb 0x06bd 0x0001
usb 0x06bd 0x2061

/dev/usbscanner is a symlink to /dev/usb/scanner0 which is my scanner...
I have tried with commenting out "/dev/usb/scanner0 bus=usb" in
snapscan.conf. I have also tried /dev/usbscanner.

barbara at babs1:~$ xsane
[sanei_debug] Setting debug level of snapscan to 128.
[snapscan] sane_snapscan_init
[snapscan] sane_snapscan_init: Snapscan backend version 1.4.35
[snapscan] add_usb_device(/dev/usbscanner bus=usb)
[snapscan] add_usb_device: Detected (kind of) an USB device
[snapscan] snapscani_usb_open(/dev/usbscanner)
[snapscan] add_usb_device: error opening device /dev/usbscanner: Invalid
argumen
t
[snapscan] add_usb_device(libusb:001:003)
[snapscan] add_usb_device: Detected (kind of) an USB device
[snapscan] snapscani_usb_open(libusb:001:003)
[snapscan] add_usb_device: error opening device libusb:001:003: Access
to resour
ce has been denied
[snapscan] sane_snapscan_get_devices (0xbfffe748, 0)
[snapscan] sane_snapscan_exit
barbara at babs1:~$ su
Password:
babs1:/home/barbara# export SANE_DEBUG_SNAPSCAN=128
babs1:/home/barbara# xsane
[sanei_debug] Setting debug level of snapscan to 128.
[snapscan] sane_snapscan_init
[snapscan] sane_snapscan_init: Snapscan backend version 1.4.35
[snapscan] add_usb_device(/dev/usbscanner bus=usb)
[snapscan] add_usb_device: Detected (kind of) an USB device
[snapscan] snapscani_usb_open(/dev/usbscanner)
[snapscan] add_usb_device: error opening device /dev/usbscanner: Invalid
argumen
t
[snapscan] add_usb_device(libusb:001:003)
[snapscan] add_usb_device: Detected (kind of) an USB device
[snapscan] snapscani_usb_open(libusb:001:003)
[snapscan] add_usb_device: Checking if 0x06bd is a supported USB vendor ID
[snapscan] snapscani_check_device()
[snapscan] mini_inquiry
[snapscan] snapscan_cmd
[snapscan] snapscani_usb_cmd(1,0xbfffd350,6,0xbfffd320,0xbfffd31c (36))
[snapscan] atomic_usb_cmd(1,0xbfffd350,6,0xbfffd320,0xbfffd31c (36))
[snapscan] usb_cmd(1,0xbfffd350,6,0xbfffd320,0xbfffd31c (36))
[snapscan] usb_cmd: cmdlen=6, datalen=0
[snapscan] usb_write: writing:  0x12 0x00 0x00 0x00 0x24 0x00
[snapscan] usb_read: reading:  0xf9 0x00 0x00 0x00 0x00 0x00 0x00 0x00
[snapscan] usb_read: reading:  0x06 0x00 0x02 0x02 0x49 0x00 0x00 0x00
0x41 0x47
  ...
[snapscan] usb_read: reading:  0xfb 0x00 0x00 0x00 0x00 0x00 0x00 0x00
[snapscan] snapscani_check_device: Is vendor "AGFA" model "SNAPSCAN
1212U_2" a s
upported scanner?
[snapscan] snapscani_get_model_id(SNAPSCAN 1212U_2, 1, 2)
[snapscan] snapscani_get_model_id: looking up scanner for ID 0x06bd,0x2061.
[snapscan] snapscani_check_device: Autodetected driver: SnapScan1212
[snapscan] snapscani_usb_close(1)
[snapscan] snapscani_init_device_structure()
[snapscan] sane_snapscan_get_devices (0xbfffe548, 0)
[snapscan] sane_snapscan_open (libusb:001:003, 0xbffff3c4)
[snapscan] find_device
[snapscan] sane_snapscan_open: Allocating 64512 bytes as scanner buffer.
[snapscan] sane_snapscan_open: allocated scanner structure at 0x817c810
[snapscan] open_scanner
[snapscan] snapscani_usb_open(libusb:001:003)
Erreur de segmentation

Thank you very much for reading this lengthy post and help me.

Barbara

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