Usage of an USB scanner as non root user in F7

[joachim.backes at rhrk.uni-kl.de]

antonio montagnani wrote:
> 2007/7/23, joachim.backes at rhrk.uni-kl.de <joachim.backes at rhrk.uni-kl.de>:
>> Hi,
>>
>> having an USB scanner of type Canon Lide 30.  As root, the usage of this
>> scanner with xsane makes no problems, but the usage of xsane as non root
>> user says: ne devices found.
>>
>> Running sane-find-scanner as non root user:
>> ============================================
>>
>>    # sane-find-scanner will now attempt to detect your scanner. If the
>>    # result is different from what you expected, first make sure your
>>    # scanner is powered up and properly connected to your computer.
>>
>>    # No SCSI scanners found. If you expected something different, make
>> sure that
>>    # you have loaded a kernel SCSI driver for your SCSI adapter.
>>
>> found USB scanner (vendor=0x04a9, product=0x220e, chip=LM983x?) at
>> libusb:002:004
>>    # Your USB scanner was (probably) detected. It may or may not be
>> supported by
>>    # SANE. Try scanimage -L and read the backend's manpage.
>>
>>    # Not checking for parallel port scanners.
>>
>>    # Most Scanners connected to the parallel port or other proprietary 
>> ports
>>    # can't be detected by this program.
>>
>>    # You may want to run this program as root to find all devices. 
>> Once you
>>    # found the scanner devices, be sure to adjust access permissions as
>>    # necessary.
>>
>> lsusb:
>> =====
>> lsusb
>> Bus 003 Device 003: ID 0dbf:9001 Quik Tech Solutions
>> Bus 003 Device 002: ID 0ecd:a100 Lite-On IT Corp.
>> Bus 003 Device 001: ID 0000:0000
>> Bus 002 Device 004: ID 04a9:220e Canon, Inc. CanoScan N1240U/LiDE 30
>> Bus 002 Device 001: ID 0000:0000
>> Bus 001 Device 003: ID 05fe:0011 Chic Technology Corp. Browser Mouse
>> Bus 001 Device 001: ID 0000:0000
>>
>> Section from /proc/bus/usb/devices:
>> ===================================
>> T:  Bus=02 Lev=01 Prnt=01 Port=02 Cnt=01 Dev#=  4 Spd=12  MxCh= 0
>> D:  Ver= 1.10 Cls=ff(vend.) Sub=00 Prot=ff MxPS= 8 #Cfgs=  1
>> P:  Vendor=04a9 ProdID=220e Rev= 1.00
>> S:  Manufacturer=Canon
>> S:  Product=CanoScan
>> C:* #Ifs= 1 Cfg#= 1 Atr=a0 MxPwr=500mA
>> I:* If#= 0 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=ff Driver=(none)
>> E:  Ad=81(I) Atr=03(Int.) MxPS=   1 Ivl=16ms
>> E:  Ad=82(I) Atr=02(Bulk) MxPS=  64 Ivl=0ms
>> E:  Ad=03(O) Atr=02(Bulk) MxPS=  64 Ivl=0ms
>>
>> Any non-root-solution?
>>
>> Regards
>>
>> Joachim Backes <joachim.backes at rhrk.uni-kl.de>
>> University of Kaiserslautern,Computer Center [RHRK],
>> Systems and Operations, High Performance Computing,
>> D-67653 Kaiserslautern, PO Box 3049, Germany
>> --------------------------------------------------
>> Phone: +49-631-205-2438, FAX: +49-631-205-3056
>> http://hlrwm.rhrk.uni-kl.de/home/staff/backes.html
>>
>> -- 
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>>
> 
> same here!!!
> Bus 001 Device 002: ID 04b8:010b Seiko Epson Corp. Perfection 1240
> 
> why are these things happening?? New kernel seems to be a problem not
> a solution (wireless broke, no scanner for non-root users!!!): and who
> tested it???
> 

Hi Antonio,

you're right!

I'm running the most recent F7-kernel 2.6.22.1-27.fc7


-- 
Joachim Backes <joachim.backes at rhrk.uni-kl.de>
University of Kaiserslautern,Computer Center [RHRK],
Systems and Operations, High Performance Computing,
D-67653 Kaiserslautern, PO Box 3049, Germany
--------------------------------------------------
Phone: +49-631-205-2438, FAX: +49-631-205-3056
http://hlrwm.rhrk.uni-kl.de/home/staff/backes.html