[sane-devel] DocketPORT 487: "scanimage: sane_start: Error during device I/O"

[Robert Fleming]

Here's the dump: https://www.dropbox.com/s/xse1hscuitb8pbm/ds487.pcap

Let me know if there's anything else I can do.

Thanks,
Robert

On Wed, Aug 19, 2015 at 1:26 PM, Stef <stef.dev at free.fr> wrote:

> On 19/08/2015 02:11, Robert Fleming wrote:
>
>> Greetings,
>>
>> Having trouble getting a DocketPORT 487 going:
>>
>> # env SANE_DEBUG_DLL=255 scanimage --resolution 75 >output
>> [sanei_debug] Setting debug level of dll to 255.
>> [dll] sane_init: SANE dll backend version 1.0.13 from sane-backends
>> 1.0.25git
>> ....
>> [dll] sane_open: trying to open `genesys:libusb:002:086'
>> [genesys] WARNING: Your scanner is not fully supported or at least
>> [genesys]          had only limited testing. Please be careful and
>> [genesys]          report any failure/success to
>> [genesys]          sane-devel at lists.alioth.debian.org. Please provide as
>> many
>> [genesys]          details as possible, e.g. the exact name of your
>> [genesys]          scanner and what does (not) work.
>> [dll] sane_open: open successful
>> [dll] sane_get_option_descriptor(handle=0x8af33d8,option=0)
>> [dll]
>> sane_control_option(handle=0x8af33d8,option=0,action=0,value=0xffc481d4,info=(nil))
>> ....
>>
>> scanimage: sane_start: Error during device I/O
>> [dll] sane_cancel(handle=0x8af33d8)
>> [dll] sane_close(handle=0x8af33d8)
>> [dll] sane_exit: exiting
>> [dll] sane_exit: calling backend `genesys's exit function
>> [dll] sane_exit: finished
>>
>> Same problem with versions 1.0.23-3ubuntu3.1 and
>> 1.0.25-git20150811-trusty0 of the SANE packages.
>>
>> I do have the scanner working correctly in Windows (in VirtualBox)
>> with the vendor drivers.
>>
>> Any ideas? Is there anything else I can do to debug it? Would it be
>> helpful to get a USB trace (of the Linux and/or Windows cases)?
>>
>> Thanks,
>> Robert
>>
>>     Hello,
>
>     it is slow and difficult to add support for a scanner just by
> exchanging USB log. However, having a log could give us an estimate of the
> work to do:
>     see https://github.com/stefdev49/syseneg/analyze/README.md for a
> start. Then post the pcap file in some place where I can grab it.
>
> Regards,
>     Ste
>
>
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