[sane-devel] Unstable scanning with Fujitsu fi-7160

[Simon Matter]

Hi Krzysztof,

> Hi Simon,
>
> Simon Matter via sane-devel <sane-devel at alioth-lists.debian.net> writes:
>
>> I have now tried with an old SANE version too. I was unable to compile
>> version 1.0.14, which is running on our working systems, so I tried
>> 1.0.32.
>>
>> All in all I have tried with three versions, 1.0.32, 1.2.1 and 1.4.0
>> with
>> the same results. The scanner would work for some jobs but then quit
>> working. That's when scanimage says "open of device
>> fujitsu:fi-7160:42929
>> failed: Invalid argument".
>
> Have you posted a log showing this detail? If not, perhaps do.
> Also, if still unclear, it could be helpful to run strace on your scan
> command. Something like
>
> strace -fe file,fork,ioctl command...
>
> maybe coupled with: 2>&1 | grep EINVAL -C10
>

Thanks for your suggestion. I've created two traces now, the first is
taken when all is still well, the second when the scanner doesn't respond
anymore.

I'm ready to produce more logs if it helps to understand what's going wrong.

Thanks,
Simon
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