[sane-devel] fujitsu (avision) scanner not being found after some time

[m. allan noah]

Anything in the kernel logs at that time?

allan

On Fri, Nov 16, 2012 at 6:16 PM, dabicho <tsukebumi at gmail.com> wrote:
> On Fri, Nov 16, 2012 at 11:03 AM, m. allan noah <kitno455 at gmail.com> wrote:
>> On Fri, Nov 16, 2012 at 11:56 AM, dabicho <tsukebumi at gmail.com> wrote:
>>> That does not help. I have found the same thing happens if I test it with
>>> scanimage.
>>>
>>> I use scanimage to scan once.
>>> Wait some time and the try to scan again with the same results.
>>>
>>> So if I had an always running sane program that opened each scanner once it
>>> is plugged and closing it if it is unplugged (say through udev or some other
>>> way), this would avoid it?
>>>
>>
>> That would help with the fi-6670, but it is not made by Avision, so
>> perhaps is not the same problem.
>>
>> You could try to get more debugging:
>>
>> SANE_DEBUG_SANEI_USB=255 scanimage -L 2>before.log
>> (wait for scanner to sleep)
>> SANE_DEBUG_SANEI_USB=255 scanimage -L 2>after.log
>>
>> then maybe that second log will tell us something.
>>
>> allan
>> --
>> "The truth is an offense, but not a sin"
>
> I cannot make sense out of it.
> This is the output from sane-find-scanner both before and after
>
> found USB scanner (vendor=0x17b9 [V3.2 LPS], product=0x0085
> [DactyScan84  Green Bit  F/W 3.2]) at libusb:001:017
> found USB scanner (vendor=0x04c5, product=0x10ef) at libusb:001:016
>
> The DactyScan84 is a fingerprint scanner that is plugged at the same time.
>
> The output from the debug is largely the same.
> This is the diff:
>  diff -u before.log after.log
> --- before.log    2012-11-16 14:35:19.189647184 -0600
> +++ after.log    2012-11-16 14:35:19.404647203 -0600
> @@ -2447,33 +2447,18 @@
>  [sanei_usb] sanei_usb_open: opened usb device `libusb:001:016' (*dn=1)
>  [sanei_usb] sanei_usb_write_bulk: trying to write 10 bytes
>  [sanei_usb] 000 12 00 00 00 60 00 00 00 00 00                   ....`.....
> -[sanei_usb] sanei_usb_write_bulk: wanted 10 bytes, wrote 10 bytes
> -[sanei_usb] sanei_usb_read_bulk: trying to read 96 bytes
> -[sanei_usb] 000 06 80 02 42 5B 00 00 00 46 55 4A 49 54 53 55 20 ...B[...FUJITSU
> -[sanei_usb] 010 66 69 2D 35 30 31 35 43 20 20 20 20 20 20 20 20 fi-5015C
> -[sanei_usb] 020 33 2E 30 30 D0 06 06 65 02 58 02 58 02 58 02 58
> 3.00...e.X.X.X.X
> -[sanei_usb] 030 00 00 DC 04 93 04 08 08 08 08 08 08 C0 90 A0 05
> ................
> -[sanei_usb] 040 00 01 02 03 04 05 00 00 00 00 00 0F 00 02 08 07
> ................
> -[sanei_usb] 050 3E 0A 10 0D B6 0A 00 10 A4 02 58 07 02 16 00 02
>>.........X.....
> -[sanei_usb] sanei_usb_read_bulk: wanted 96 bytes, got 96 bytes
> +[sanei_usb] sanei_usb_write_bulk: write failed: Resource temporarily
> unavailable
>  [sanei_usb] sanei_usb_read_bulk: trying to read 1 bytes
> -[sanei_usb] 000 00                                              .
> -[sanei_usb] sanei_usb_read_bulk: wanted 1 bytes, got 1 bytes
> +[sanei_usb] sanei_usb_read_bulk: read failed: Resource temporarily unavailable
> +[sanei_usb] sanei_usb_read_int: trying to read 1 bytes
> +[sanei_usb] sanei_usb_read_int: read failed: Resource temporarily unavailable
>  [sanei_usb] sanei_usb_write_bulk: trying to write 10 bytes
>  [sanei_usb] 000 12 00 00 00 60 00 00 00 00 00                   ....`.....
> -[sanei_usb] sanei_usb_write_bulk: wanted 10 bytes, wrote 10 bytes
> -[sanei_usb] sanei_usb_read_bulk: trying to read 96 bytes
> -[sanei_usb] 000 06 80 02 42 5B 00 00 00 46 55 4A 49 54 53 55 20 ...B[...FUJITSU
> -[sanei_usb] 010 66 69 2D 35 30 31 35 43 20 20 20 20 20 20 20 20 fi-5015C
> -[sanei_usb] 020 33 2E 30 30 D0 06 06 65 02 58 02 58 02 58 02 58
> 3.00...e.X.X.X.X
> -[sanei_usb] 030 00 00 DC 04 93 04 08 08 08 08 08 08 C0 90 A0 05
> ................
> -[sanei_usb] 040 00 01 02 03 04 05 00 00 00 00 00 0F 00 02 08 07
> ................
> -[sanei_usb] 050 3E 0A 10 0D B6 0A 00 10 A4 02 58 07 02 16 00 02
>>.........X.....
> -[sanei_usb] sanei_usb_read_bulk: wanted 96 bytes, got 96 bytes
> +[sanei_usb] sanei_usb_write_bulk: write failed: Resource temporarily
> unavailable
>  [sanei_usb] sanei_usb_read_bulk: trying to read 1 bytes
> -[sanei_usb] 000 00                                              .
> -[sanei_usb] sanei_usb_read_bulk: wanted 1 bytes, got 1 bytes
> -[sanei_usb] sanei_usb_close: closing device 1
> +[sanei_usb] sanei_usb_read_bulk: read failed: Resource temporarily unavailable
> +[sanei_usb] sanei_usb_read_int: trying to read 1 bytes
> +[sanei_usb] sanei_usb_read_int: read failed: Resource temporarily unavailable
>  [sanei_usb] sanei_usb_find_devices: vendor=0x040a, product=0x6001
>  [sanei_usb] sanei_usb_find_devices: vendor=0x040a, product=0x6002
>  [sanei_usb] sanei_usb_find_devices: vendor=0x040a, product=0x6003
>
> It is basically this:
>
> sanei_usb_(write|read)_bulk: (write|read) failed: Resource temporarily
> unavailable
>
> Do you have any idea?
> Where else can I look for some clue?
> Thank you



-- 
"The truth is an offense, but not a sin"