[sane-devel] Problems with libusb and Snapscan 1236U (maybe similar to others): USB dump

D. Winkler winkler at skynet-it.de
Mon Mar 1 16:33:41 GMT 2004 

Hi Oliver,

maybe you can use this dump here:


The FIRST call of scanimage -L:


alpha:/var/cache/apt/archives# SANE_DEBUG_SANEI_USB=255 scanimage -L  
[sanei_debug] Setting debug level of sanei_usb to 255.
[sanei_usb] sanei_usb_init: couldn't open /dev/usb/scanner0: No such
device
[sanei_usb] sanei_usb_init: couldn't open /dev/usb/scanner1: No such
device
[sanei_usb] sanei_usb_init: couldn't open /dev/usb/scanner2: No such
device
[sanei_usb] sanei_usb_init: couldn't open /dev/usb/scanner3: No such
device
[sanei_usb] sanei_usb_init: couldn't open /dev/usb/scanner4: No such
device
[sanei_usb] sanei_usb_init: couldn't open /dev/usb/scanner5: No such
device
[sanei_usb] sanei_usb_init: couldn't open /dev/usb/scanner6: No such
device
[sanei_usb] sanei_usb_init: couldn't open /dev/usb/scanner7: No such
device
[sanei_usb] sanei_usb_init: couldn't open /dev/usb/scanner8: No such
device
[sanei_usb] sanei_usb_init: couldn't open /dev/usb/scanner9: No such
device
[sanei_usb] sanei_usb_init: couldn't open /dev/usb/scanner10: No such
device
[sanei_usb] sanei_usb_init: couldn't open /dev/usb/scanner11: No such
device
[sanei_usb] sanei_usb_init: couldn't open /dev/usb/scanner12: No such
device
[sanei_usb] sanei_usb_init: couldn't open /dev/usb/scanner13: No such
device
[sanei_usb] sanei_usb_init: couldn't open /dev/usb/scanner14: No such
device
[sanei_usb] sanei_usb_init: couldn't open /dev/usb/scanner15: No such
device
usb_set_debug: Setting debugging level to 255 (on)
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: Found 001 on 002
usb_os_find_devices: Found 008 on 001
usb_os_find_devices: Found 003 on 001
skipped 1 class/vendor specific interface descriptors
usb_os_find_devices: Found 002 on 001
usb_os_find_devices: Found 001 on 001
[sanei_usb] sanei_usb_init: device 0x0000/0x0000 looks like a root hub
[sanei_usb] sanei_usb_init: found libusb device (0x06bd/0x0002)
interface 0  at libusb:001:008
[sanei_usb] sanei_usb_init: device 0x046d/0xc001, interface 0 doesn't
look like a scanner (0/3)
[sanei_usb] sanei_usb_init: device 0x046d/0xc001: no suitable interfaces
[sanei_usb] sanei_usb_init: device 0x0698/0x2002, interface 0 doesn't
look like a scanner (9/9)
[sanei_usb] sanei_usb_init: device 0x0698/0x2002: no suitable interfaces
[sanei_usb] sanei_usb_init: device 0x0000/0x0000 looks like a root hub
[sanei_usb] sanei_usb_init: found 1 devices
[sanei_usb] sanei_usb_find_devices: vendor=0x04a5, product=0x1a20
[sanei_usb] sanei_usb_find_devices: vendor=0x04a5, product=0x1a26
[sanei_usb] sanei_usb_find_devices: vendor=0x04a5, product=0x2022
[sanei_usb] sanei_usb_find_devices: vendor=0x04a5, product=0x1a2a
[sanei_usb] sanei_usb_find_devices: vendor=0x04a5, product=0x2040
[sanei_usb] sanei_usb_find_devices: vendor=0x04a5, product=0x2060
[sanei_usb] sanei_usb_find_devices: vendor=0x04a5, product=0x207e
[sanei_usb] sanei_usb_find_devices: vendor=0x04a5, product=0x20c0
[sanei_usb] sanei_usb_find_devices: vendor=0x04a5, product=0x20b0
[sanei_usb] sanei_usb_find_devices: vendor=0x04a5, product=0x20de
[sanei_usb] sanei_usb_find_devices: vendor=0x04a5, product=0x20fc
[sanei_usb] sanei_usb_find_devices: vendor=0x04a5, product=0x20fe
[sanei_usb] sanei_usb_find_devices: vendor=0x06bd, product=0x0002
[sanei_usb] sanei_usb_open: trying to open device `libusb:001:008'
[sanei_usb] sanei_usb_open: found bulk-in endpoint (address 1)
[sanei_usb] sanei_usb_open: found bulk-out endpoint (address 2)
[sanei_usb] sanei_usb_open: found interupt-in endpoint (address 3)
[sanei_usb] sanei_usb_open: opened usb device `libusb:001:008' (*dn=0)
[sanei_usb] sanei_usb_get_vendor_product: device 0: vendorID: 0x06bd,
productID: 0x0002
[sanei_usb] sanei_usb_write_bulk: trying to write 6 bytes
[sanei_usb] 0000: 12 00 00 00 24 00                              
....$...........
[sanei_usb] sanei_usb_write_bulk: wanted 6 bytes, wrote 6 bytes
[sanei_usb] sanei_usb_read_bulk: trying to read 8 bytes
[sanei_usb] 0000: F9 00 00 00 00 00 00 00                        
................
[sanei_usb] sanei_usb_read_bulk: wanted 8 bytes, got 8 bytes
[sanei_usb] sanei_usb_read_bulk: trying to read 36 bytes
[sanei_usb] 0000: 06 00 02 02 49 00 00 00 41 47 46 41 20 20 20 20
....I...AGFA    
[sanei_usb] 0010: 53 4E 41 50 53 43 41 4E 20 31 32 33 36 55 20 20
SNAPSCAN 1236U  
[sanei_usb] 0020: 30 30 37 32                                    
0072............
[sanei_usb] sanei_usb_read_bulk: wanted 36 bytes, got 36 bytes
[sanei_usb] sanei_usb_read_bulk: trying to read 8 bytes
[sanei_usb] 0000: FB 00 00 00 00 00 00 00                        
................
[sanei_usb] sanei_usb_read_bulk: wanted 8 bytes, got 8 bytes
[sanei_usb] sanei_usb_get_vendor_product: device 0: vendorID: 0x06bd,
productID: 0x0002
[sanei_usb] sanei_usb_close: closing device 0
[sanei_usb] sanei_usb_find_devices: vendor=0x06bd, product=0x0001
[sanei_usb] sanei_usb_find_devices: vendor=0x06bd, product=0x2061
[sanei_usb] sanei_usb_find_devices: vendor=0x06bd, product=0x2093
[sanei_usb] sanei_usb_find_devices: vendor=0x06bd, product=0x2091
[sanei_usb] sanei_usb_find_devices: vendor=0x06bd, product=0x2095
[sanei_usb] sanei_usb_find_devices: vendor=0x06bd, product=0x2097
[sanei_usb] sanei_usb_find_devices: vendor=0x06bd, product=0x208d
[sanei_usb] sanei_usb_find_devices: vendor=0x06bd, product=0x20ff
[sanei_usb] sanei_usb_find_devices: vendor=0x06bd, product=0x208f
[sanei_usb] sanei_usb_find_devices: vendor=0x06bd, product=0x20fd
[sanei_usb] sanei_usb_find_devices: vendor=0x04b8, product=0x0114
[sanei_usb] sanei_usb_find_devices: vendor=0x04b8, product=0x011f
device `snapscan:libusb:001:008' is a AGFA SNAPSCAN 1236U flatbed
scanner




**********************************

The SECOND call of scanimage -L


alpha:/var/cache/apt/archives# SANE_DEBUG_SANEI_USB=255 scanimage -L 
[sanei_debug] Setting debug level of sanei_usb to 255.
[sanei_usb] sanei_usb_init: couldn't open /dev/usb/scanner0: No such
device
[sanei_usb] sanei_usb_init: couldn't open /dev/usb/scanner1: No such
device
[sanei_usb] sanei_usb_init: couldn't open /dev/usb/scanner2: No such
device
[sanei_usb] sanei_usb_init: couldn't open /dev/usb/scanner3: No such
device
[sanei_usb] sanei_usb_init: couldn't open /dev/usb/scanner4: No such
device
[sanei_usb] sanei_usb_init: couldn't open /dev/usb/scanner5: No such
device
[sanei_usb] sanei_usb_init: couldn't open /dev/usb/scanner6: No such
device
[sanei_usb] sanei_usb_init: couldn't open /dev/usb/scanner7: No such
device
[sanei_usb] sanei_usb_init: couldn't open /dev/usb/scanner8: No such
device
[sanei_usb] sanei_usb_init: couldn't open /dev/usb/scanner9: No such
device
[sanei_usb] sanei_usb_init: couldn't open /dev/usb/scanner10: No such
device
[sanei_usb] sanei_usb_init: couldn't open /dev/usb/scanner11: No such
device
[sanei_usb] sanei_usb_init: couldn't open /dev/usb/scanner12: No such
device
[sanei_usb] sanei_usb_init: couldn't open /dev/usb/scanner13: No such
device
[sanei_usb] sanei_usb_init: couldn't open /dev/usb/scanner14: No such
device
[sanei_usb] sanei_usb_init: couldn't open /dev/usb/scanner15: No such
device
usb_set_debug: Setting debugging level to 255 (on)
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: Found 001 on 002
usb_os_find_devices: Found 008 on 001
usb_os_find_devices: Found 003 on 001
skipped 1 class/vendor specific interface descriptors
usb_os_find_devices: Found 002 on 001
usb_os_find_devices: Found 001 on 001
[sanei_usb] sanei_usb_init: device 0x0000/0x0000 looks like a root hub
[sanei_usb] sanei_usb_init: found libusb device (0x06bd/0x0002)
interface 0  at libusb:001:008
[sanei_usb] sanei_usb_init: device 0x046d/0xc001, interface 0 doesn't
look like a scanner (0/3)
[sanei_usb] sanei_usb_init: device 0x046d/0xc001: no suitable interfaces
[sanei_usb] sanei_usb_init: device 0x0698/0x2002, interface 0 doesn't
look like a scanner (9/9)
[sanei_usb] sanei_usb_init: device 0x0698/0x2002: no suitable interfaces
[sanei_usb] sanei_usb_init: device 0x0000/0x0000 looks like a root hub
[sanei_usb] sanei_usb_init: found 1 devices
[sanei_usb] sanei_usb_find_devices: vendor=0x04a5, product=0x1a20
[sanei_usb] sanei_usb_find_devices: vendor=0x04a5, product=0x1a26
[sanei_usb] sanei_usb_find_devices: vendor=0x04a5, product=0x2022
[sanei_usb] sanei_usb_find_devices: vendor=0x04a5, product=0x1a2a
[sanei_usb] sanei_usb_find_devices: vendor=0x04a5, product=0x2040
[sanei_usb] sanei_usb_find_devices: vendor=0x04a5, product=0x2060
[sanei_usb] sanei_usb_find_devices: vendor=0x04a5, product=0x207e
[sanei_usb] sanei_usb_find_devices: vendor=0x04a5, product=0x20c0
[sanei_usb] sanei_usb_find_devices: vendor=0x04a5, product=0x20b0
[sanei_usb] sanei_usb_find_devices: vendor=0x04a5, product=0x20de
[sanei_usb] sanei_usb_find_devices: vendor=0x04a5, product=0x20fc
[sanei_usb] sanei_usb_find_devices: vendor=0x04a5, product=0x20fe
[sanei_usb] sanei_usb_find_devices: vendor=0x06bd, product=0x0002
[sanei_usb] sanei_usb_open: trying to open device `libusb:001:008'
[sanei_usb] sanei_usb_open: found bulk-in endpoint (address 1)
[sanei_usb] sanei_usb_open: found bulk-out endpoint (address 2)
[sanei_usb] sanei_usb_open: found interupt-in endpoint (address 3)
[sanei_usb] sanei_usb_open: opened usb device `libusb:001:008' (*dn=0)
[sanei_usb] sanei_usb_get_vendor_product: device 0: vendorID: 0x06bd,
productID: 0x0002
[sanei_usb] sanei_usb_write_bulk: trying to write 6 bytes
[sanei_usb] 0000: 12 00 00 00 24 00                              
....$...........
[sanei_usb] sanei_usb_write_bulk: wanted 6 bytes, wrote 6 bytes
[sanei_usb] sanei_usb_read_bulk: trying to read 8 bytes


/* ... time goes by .... */


USB error: error reading from bulk endpoint 0x81: Connection timed out
[sanei_usb] sanei_usb_read_bulk: read failed: Connection timed out
[sanei_usb] sanei_usb_close: closing device 0
[sanei_usb] sanei_usb_find_devices: vendor=0x06bd, product=0x0001
[sanei_usb] sanei_usb_find_devices: vendor=0x06bd, product=0x2061
[sanei_usb] sanei_usb_find_devices: vendor=0x06bd, product=0x2093
[sanei_usb] sanei_usb_find_devices: vendor=0x06bd, product=0x2091
[sanei_usb] sanei_usb_find_devices: vendor=0x06bd, product=0x2095
[sanei_usb] sanei_usb_find_devices: vendor=0x06bd, product=0x2097
[sanei_usb] sanei_usb_find_devices: vendor=0x06bd, product=0x208d
[sanei_usb] sanei_usb_find_devices: vendor=0x06bd, product=0x20ff
[sanei_usb] sanei_usb_find_devices: vendor=0x06bd, product=0x208f
[sanei_usb] sanei_usb_find_devices: vendor=0x06bd, product=0x20fd
[sanei_usb] sanei_usb_find_devices: vendor=0x04b8, product=0x0114
[sanei_usb] sanei_usb_find_devices: vendor=0x04b8, product=0x011f

No scanners were identified. If you were expecting something different,
check that the scanner is plugged in, turned on and detected by the
sane-find-scanner tool (if appropriate). Please read the documentation
which came with this software (README, FAQ, manpages).


*******************

demsg wants to tell me:

[...]
usb 1-1: bulk timeout on ep1in
usbfs: USBDEVFS_BULK failed dev 8 ep 0x81 len 8 ret -110



Maybe this could help you or others ...


Greetings
Daniel

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