[sane-devel] Fi-4120C2 - USB bulk transfers failing with -ETIMEDOUT or -EPIPE

[Charles Duffy]

m. allan noah wrote:
> strace is not very helpful, a debug log from sane would work better.
>
> SANE_DEBUG_FUJITSU=255 scanimage 2>4120c2.log > /dev/null
>
> then look thru the log for the errors. likely will appear as blank lines.
>
> send me the section of the log right around the first error.
>
> i will try to work on it this evening, along with all the other bug 
> reports.
>
Thank you kindly. The bits surrounding the first error are below 
directly; the log up to and including the point where this occurs is in 
the attached file.

[fujitsu] do_usb_cmd: returning 0 bytes:
[fujitsu] set_mode_params: ok
[fujitsu] send
[fujitsu] send: ok
[fujitsu] object_position: load
[fujitsu] object_position
[fujitsu] 000: 31 01 00 00 00 00 00 00 00 00
[fujitsu] <cmd<
[fujitsu] 000: 31 01 00 00 00 00 00 00 00 00
[fujitsu] *** URB going out:
[fujitsu] 000: 43 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[fujitsu] 010: 00 00 00 31 01 00 00 00 00 00 00 00 00 00 00
[fujitsu] try to write 31 bytes
[fujitsu] wrote 31 bytes
[fujitsu] *** Try to read CSW
[fujitsu] *** Read CSW
[fujitsu]
[fujitsu] do_usb_cmd: returning 0 bytes:
[fujitsu] wait_scanner
[fujitsu] test_unit_ready
[fujitsu] 000: 00 00 00 00 00 00
[fujitsu] <cmd<
[fujitsu] 000: 00 00 00 00 00 00
[fujitsu] *** URB going out:
[fujitsu] 000: 43 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[fujitsu] 010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[fujitsu] try to write 31 bytes
[fujitsu] wrote 0 bytes
[fujitsu] *** Got error 9 trying to write
[fujitsu] do_usb_cmd: returning 0x00000009
[fujitsu] do_usb_cmd: returning 0 bytes:
[fujitsu] wait_scanner: unit ready failed (Error during device I/O)
[fujitsu] test_unit_ready
[fujitsu] 000: 00 00 00 00 00 00
[fujitsu] <cmd<
[fujitsu] 000: 00 00 00 00 00 00
[fujitsu] *** URB going out:
[fujitsu] 000: 43 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[fujitsu] 010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[fujitsu] try to write 31 bytes
[fujitsu] wrote 0 bytes
[fujitsu] *** Got error 9 trying to write
[fujitsu] do_usb_cmd: returning 0x00000009
[fujitsu] do_usb_cmd: returning 0 bytes:
[fujitsu] wait_scanner: unit ready failed (Error during device I/O)

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