http://bugzilla.novell.com/show_bug.cgi?id=554664
http://bugzilla.novell.com/show_bug.cgi?id=554664#c7
--- Comment #7 from Tamás Németh 2009-11-23 17:43:56 UTC ---
Debugging as normal user:
tamas@milleniumfalcon:~> lsusb
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 0424:2503 Standard Microsystems Corp. USB 2.0 Hub
Bus 001 Device 003: ID 08ff:2580 AuthenTec, Inc. AES2501 Fingerprint Sensor
Bus 001 Device 011: ID 03f0:171d Hewlett-Packard Wireless (Bluetooth + WLAN)
Interface [Integrated Module]
Bus 001 Device 013: ID 03f0:7517 Hewlett-Packard LaserJet M3035 MFP
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 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 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
tamas@milleniumfalcon:~> export SANE_DEBUG_DLL=4
tamas@milleniumfalcon:~> export SANE_DEBUG_backend=128
tamas@milleniumfalcon:~> export SANE_DEBUG_SANEI_USB=128
tamas@milleniumfalcon:~> scanimage -L
[sanei_debug] Setting debug level of dll to 4.
[dll] sane_init: SANE dll backend version 1.0.12 from sane-backends 1.0.20
[dll] sane_init/read_dlld: opendir failed: No such file or directory
[dll] add_backend: adding backend `hpaio'
[dll] sane_get_devices
[dll] load: searching backend `hpaio' in
`/usr/lib64/mpi/gcc/openmpi/lib64:/usr/lib64/sane'
[dll] load: trying to load
`/usr/lib64/mpi/gcc/openmpi/lib64/libsane-hpaio.so.1'
[dll] load: couldn't open `/usr/lib64/mpi/gcc/openmpi/lib64/libsane-hpaio.so.1'
(No such file or directory)
[dll] load: trying to load `/usr/lib64/sane/libsane-hpaio.so.1'
[dll] load: dlopen()ing `/usr/lib64/sane/libsane-hpaio.so.1'
[dll] init: initializing backend `hpaio'
[dll] init: backend `hpaio' is version 1.0.0
libusb couldn't open USB device /dev/bus/usb/001/001: Permission denied.
libusb requires write access to USB device nodes.
libusb couldn't open USB device /dev/bus/usb/001/002: Permission denied.
libusb requires write access to USB device nodes.
libusb couldn't open USB device /dev/bus/usb/001/003: Permission denied.
libusb requires write access to USB device nodes.
libusb couldn't open USB device /dev/bus/usb/001/011: Permission denied.
libusb requires write access to USB device nodes.
libusb couldn't open USB device /dev/bus/usb/002/001: Permission denied.
libusb requires write access to USB device nodes.
libusb couldn't open USB device /dev/bus/usb/003/001: Permission denied.
libusb requires write access to USB device nodes.
libusb couldn't open USB device /dev/bus/usb/004/001: Permission denied.
libusb requires write access to USB device nodes.
libusb couldn't open USB device /dev/bus/usb/005/001: Permission denied.
libusb requires write access to USB device nodes.
[dll] sane_get_devices: found 1 devices
device `hpaio:/usb/HP_LaserJet_M3035_MFP?serial=CNPNB00697' is a
Hewlett-Packard HP_LaserJet_M3035_MFP all-in-one
[dll] sane_exit: exiting
[dll] sane_exit: calling backend `hpaio's exit function
[dll] sane_exit: finished
tamas@milleniumfalcon:~> scanimage -d
hpaio:/usb/HP_LaserJet_M3035_MFP?serial=CNPNB00697 -v
[sanei_debug] Setting debug level of dll to 4.
[dll] sane_init: SANE dll backend version 1.0.12 from sane-backends 1.0.20
[dll] sane_init/read_dlld: opendir failed: No such file or directory
[dll] add_backend: adding backend `hpaio'
[dll] sane_open: trying to open
`hpaio:/usb/HP_LaserJet_M3035_MFP?serial=CNPNB00697'
[dll] load: searching backend `hpaio' in
`/usr/lib64/mpi/gcc/openmpi/lib64:/usr/lib64/sane'
[dll] load: trying to load
`/usr/lib64/mpi/gcc/openmpi/lib64/libsane-hpaio.so.1'
[dll] load: couldn't open `/usr/lib64/mpi/gcc/openmpi/lib64/libsane-hpaio.so.1'
(No such file or directory)
[dll] load: trying to load `/usr/lib64/sane/libsane-hpaio.so.1'
[dll] load: dlopen()ing `/usr/lib64/sane/libsane-hpaio.so.1'
[dll] init: initializing backend `hpaio'
[dll] init: backend `hpaio' is version 1.0.0
libusb couldn't open USB device /dev/bus/usb/001/001: Permission denied.
libusb requires write access to USB device nodes.
libusb couldn't open USB device /dev/bus/usb/001/002: Permission denied.
libusb requires write access to USB device nodes.
libusb couldn't open USB device /dev/bus/usb/001/003: Permission denied.
libusb requires write access to USB device nodes.
libusb couldn't open USB device /dev/bus/usb/001/011: Permission denied.
libusb requires write access to USB device nodes.
scanimage: open of device hpaio:/usb/HP_LaserJet_M3035_MFP?serial=CNPNB00697
failed: Error during device I/O
[dll] sane_exit: exiting
[dll] sane_exit: calling backend `hpaio's exit function
[dll] sane_exit: finished
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