[sane-devel] Canon LiDe 210 Genesys backend gone wrong

[Jay Christnach]

On 06/27/2012 09:03 PM, stef wrote:
> Le 27/06/2012 16:27, Jay Christnach a écrit :
>> Hi, Thanks for not giving up on it.
>>
>> 1) system with working scanner:
>> Laptop HP625
>> Kernel 2.6.38-15-generic-pae #61-Ubuntu 32 bit
>> libusb-0.1-4 version 2:0.1.12-17
>> libusb-1.0-0 version 2:1.0.8-2
>>
>> 2) system where light doesn't turn on:
>> Abit Mainboard with AMD64X2 5600+
>> Kernel 3.2.0-25-generic #40-Ubuntu 32 bit
>> libusb-0.1-4 version 2:0.1.12-20
>> libusb-1.0-0 version 2:1.0.9-rc3-2ubuntu1
>>
>> The problem occured also when both machines where running Ubuntu 
>> 11.04 with the same kernel version except the one on the desktop was 
>> 64 bit.
>>
>> Another hint: On the desktop running the scanner inside VirtualBox 
>> with Windows XP and the linux kernel 1)  above as the host OS it 
>> doesn't work for now. Although I recall that it worked once. The 
>> kernel versions are changing rather often nowadays along with the 
>> updates.
>>
>> I found nothing relevant to USB in the BIOS, so I haven't tried 
>> anything in this direction.
>>
>> There is no message being logged when the light doesn't turn on.
>>
>> In the past I compiled some kernels from source, maybe I should try 
>> to revert to an older kernel for testing. I'm not sure if I'm able to 
>> get it to work though. Grub has got so complicated and I'm not sure 
>> if I run into problems with the versions of libc and so on.
>>
>> Best greetings from Luxembourg
>>
>>
>     Hello,
>
>     thanks for all these data. I have uploaded at 
> http://dl.free.fr/gEzUYJkHX a small 'gl124' unit test program. It does 
> an uncorrected color scan at 150 dpi. It is a fully static 32 binary 
> using libusb-1.0.9 . Put it in a directory, copy your genesys.conf 
> file in the same directory then run it. You should see the lamp switch 
> on. I'm curious to know how it behaves in the "buggy" hardware 
> combination.
>
> Regards,
>      Stef
>

Hi Stef,

I tried it on the desktop computer. The lamp doesn't turn on, but 
otherwise the program functions normally and a black image of 1292x150 
pixels is written.

Greetings


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