hi Any Idea why sane failed? is it possible to get more debug information without using gdb?
Regards Beat H. % scanimage -d plustek:libusb:002:002 [sanei_debug] Setting debug level of sanei_usb to 128. usb_set_debug: Setting debugging level to 255 (on) usb_os_find_busses: Found 002 usb_os_find_busses: Found 001 usb_os_find_devices: Found 002 on 002 usb_os_find_devices: Found 001 on 002 usb_os_open: 05ac:8005 USB error: could not open device usb_os_open: 04a9:220e usb_control_msg: 128 6 512 0 0xbfffe8f8 8 1000 usb_control_msg: 128 6 512 0 0xc44d0 39 1000 usb_os_close: 04a9:220e usb_os_find_devices: Found 001 on 001 usb_os_open: 05ac:8005 USB error: could not open device [sanei_usb] sanei_usb_open: trying to open device `libusb:002:002' usb_os_open: 04a9:220e [sanei_usb] sanei_usb_open: ignoring interrupt-in endpoint (address: 1) [sanei_usb] sanei_usb_open: found bulk-in endpoint (address 2) [sanei_usb] sanei_usb_open: found bulk-out endpoint (address 3) [sanei_usb] sanei_usb_open: opened usb device `libusb:002:002' (*dn=0) [sanei_usb] sanei_usb_get_vendor_product: device 0: vendorID: 0x04a9, productID: 0x220e [sanei_usb] sanei_usb_close: closing device 0 usb_os_close: 04a9:220e [sanei_usb] sanei_usb_open: trying to open device `libusb:002:002' usb_os_open: 04a9:220e [sanei_usb] sanei_usb_open: ignoring interrupt-in endpoint (address: 1) [sanei_usb] sanei_usb_open: found bulk-in endpoint (address 2) [sanei_usb] sanei_usb_open: found bulk-out endpoint (address 3) [sanei_usb] sanei_usb_open: opened usb device `libusb:002:002' (*dn=0) [sanei_usb] sanei_usb_get_vendor_product: device 0: vendorID: 0x04a9, productID: 0x220e [sanei_usb] sanei_usb_close: closing device 0 usb_os_close: 04a9:220e scanimage: open of device plustek:libusb:002:002 failed: Error during device I/O the same on Linux: [sanei_debug] Setting debug level of sanei_usb to 128. usb_set_debug: Setting debugging level to 255 (on) usb_os_find_busses: Skipping non bus directory devices usb_os_find_busses: Skipping non bus directory drivers usb_os_find_busses: Found 001 usb_os_find_devices: Found 001 on 001 invalid descriptor length of 0 Unable to parse descriptors usb_os_find_devices: Found 002 on 001 invalid descriptor length of 0 Unable to parse descriptors [sanei_usb] sanei_usb_open: trying to open device `libusb:001:002' [sanei_usb] sanei_usb_open: ignoring interrupt-in endpoint (address: 1) [sanei_usb] sanei_usb_open: found bulk-in endpoint (address 2) [sanei_usb] sanei_usb_open: found bulk-out endpoint (address 3) [sanei_usb] sanei_usb_open: opened usb device `libusb:001:002' (*dn=0) [sanei_usb] sanei_usb_get_vendor_product: device 0: vendorID: 0x04a9, productID: 0x220e [sanei_usb] sanei_usb_write_bulk: wanted 5 bytes, wrote 5 bytes [sanei_usb] sanei_usb_write_bulk: wanted 5 bytes, wrote 5 bytes [sanei_usb] sanei_usb_write_bulk: wanted 4 bytes, wrote 4 bytes
