[sane-devel] Weird behavior in exagear.

Jeff Sadowski jeff.sadowski at gmail.com
Thu Jan 11 19:03:47 UTC 2018 

uning sane -l -d128 -e I am able to see the following error.

root at raspberrypi:~:arm$ saned -l -d128 -e

[saned] do_scan: wrote 8192 bytes to client
[saned] do_scan: trying to read 8188 bytes from scanner
[saned] do_scan: read 8188 bytes from scanner
[saned] do_scan: trying to write 8192 bytes to client
[saned] do_scan: wrote 8192 bytes to client
[saned] do_scan: trying to read 8188 bytes from scanner
[saned] do_scan: read 7488 bytes from scanner
[saned] do_scan: trying to write 7492 bytes to client
[saned] do_scan: wrote 7492 bytes to client
[saned] do_scan: trying to read 696 bytes from scanner
[saned] do_scan: read 0 bytes from scanner
[saned] do_scan: status = `End of file reached'
[saned] do_scan: statuscode `End of file reached' was added to buffer
[saned] do_scan: trying to write 9 bytes to client
[saned] do_scan: wrote 9 bytes to client
[saned] do_scan: done, status=End of file reached
[saned] process_request: waiting for request
[saned] process_request: bad status 22
[saned] quit: exiting

on the other end I get the following error

scanimage  '-v' '-p' '--batch=preview.jpg' '--batch-count' '1'
'--format' 'jpeg' '-l' '0' '-t' '0' '-x' '215.9' '-y' '355.6' '-d'
'net:192.168.1.27:brother2:bus1;dev1'
scanimage: rounded value of br-x from 215.9 to 215.88
scanimage: rounded value of br-y from 355.6 to 355.567
Scanning 1 page, incrementing by 1, numbering from 1
Scanning page 1
scanimage: scanning image of size 1648x2314 pixels at 24 bits/pixel
scanimage: acquiring RGB frame
Progress:98.8%
scanimage: min/max graylevel value = 11/255
Application transferred too few scanlines

On Thu, Jan 11, 2018 at 11:33 AM, Jeff Sadowski <jeff.sadowski at gmail.com> wrote:
> ah looks like I need the -l flag
>
> On Thu, Jan 11, 2018 at 11:21 AM, Jeff Sadowski <jeff.sadowski at gmail.com> wrote:
>> Progress. I am now able to scan jpeg files :-)
>> And test out more of my phpsaneng program.
>> My preview worked awesome. I was able to watch the image as it was
>> being scanned.
>>
>> I redid git as recommended in INSTALL.linux
>>
>> apt remove sane sane-utils
>> git clone git://git.debian.org/sane/sane-backends.git
>> ./configure --prefix=/usr --libdir=/usr/lib --sysconfdir=/etc
>> --localstatedir=/var  --enable-avahi
>> make
>> make install
>>
>> it is odd that -V reports as so
>>
>> root at raspberrypi:~/sane/sane-backends:x86$ scanimage -V
>> scanimage (sane-backends) 1.0.27git; backend version 1.0.24
>>
>> Is this something I should be worried about?
>> Where would it be getting 1.0.24
>> I tried removing all sane files I could find and then
>> make install from my git repo and I still get the same output.
>>
>>
>> Now to try and get saned working
>> saned use to at least connect to the port but now I get nothing
>>
>> root at raspberrypi:~/sane/sane-backends:x86$ saned -d128
>> root at raspberrypi:~/sane/sane-backends:x86$
>>
>> root at raspberrypi:~/sane/sane-backends:x86$ saned -d128 -b 192.168.1.27
>> root at raspberrypi:~/sane/sane-backends:x86$
>>
>> any suggestions on how to get it to report more?
>> maybe a compile flag to get something from it?
>>
>> On Thu, Jan 11, 2018 at 8:19 AM, Jeff Sadowski <jeff.sadowski at gmail.com> wrote:
>>> root at raspberrypi:~:arm$ dpkg -c brscan2-0.2.5-1.i386.deb |grep lib|grep so
>>> -rwxr-xr-x root/root     11444 2009-12-01 18:38 ./usr/lib/libbrcolm2.so.1.0.0
>>> -rwxr-xr-x root/root     27912 2009-12-01 18:38 ./usr/lib/libbrscandec2.so.1.0.0
>>> -rwxr-xr-x root/root     94516 2009-12-01 18:38
>>> ./usr/lib/sane/libsane-brother2.so.1.0.7
>>> lrwxrwxrwx root/root         0 2009-12-01 18:38
>>> ./usr/lib/libbrcolm2.so -> /usr/lib/libbrcolm2.so.1
>>> lrwxrwxrwx root/root         0 2009-12-01 18:38
>>> ./usr/lib/libbrscandec2.so.1 -> /usr/lib/libbrscandec2.so.1.0.0
>>> lrwxrwxrwx root/root         0 2009-12-01 18:38
>>> ./usr/lib/libbrscandec2.so -> /usr/lib/libbrscandec2.so.1
>>> lrwxrwxrwx root/root         0 2009-12-01 18:38
>>> ./usr/lib/libbrcolm2.so.1 -> /usr/lib/libbrcolm2.so.1.0.0
>>> lrwxrwxrwx root/root         0 2009-12-01 18:38
>>> ./usr/lib/sane/libsane-brother2.so.1 ->
>>> /usr/lib/sane/libsane-brother2.so.1.0.7
>>> lrwxrwxrwx root/root         0 2009-12-01 18:38
>>> ./usr/lib/sane/libsane-brother2.so ->
>>> /usr/lib/sane/libsane-brother2.so.1
>>>
>>> so I will recompile to with libdir=/usr/lib and see if that works.
>>>
>>> On Thu, Jan 11, 2018 at 5:28 AM, Olaf Meeuwissen
>>> <paddy-hack at member.fsf.org> wrote:
>>>> Hi,
>>>>
>>>> Jeff Sadowski writes:
>>>>
>>>>> It seems to be wanting .la files when I have .so files so is there a
>>>>> flag to support shared object files over .la?
>>>>
>>>> The dynamic loading should look for .la files first and failing to find
>>>> those, look for .so files.  You don't need any flag for that (and AFAIK
>>>> there isn't one).
>>>>
>>>>> On Wed, Jan 10, 2018 at 1:36 PM, Jeff Sadowski <jeff.sadowski at gmail.com> wrote:
>>>>>> I pulled the current git of sane-backend from
>>>>>> https://anonscm.debian.org/git/sane/sane-backends.git
>>>>>>
>>>>>> I did
>>>>>> ./configure --prefix=/usr --libdir=/usr/lib/i386-linux-gnu
>>>>>> --sysconfdir=/etc --localstatedir=/var  --
>>>>>> make
>>>>>> make install
>>>>>>
>>>>>> now when I run "scanimage -L" it can't see my scanner. Is there a flag
>>>>>> I need to use other drivers than the ones it compiles as the brother
>>>>>> printer driver is a binary package?
>>>>
>>>> The backends you built are installed below /usr/lib/i386-linux-gnu/sane/
>>>> as libsane-$backendname.$extension, right?  Where is the backend of that
>>>> brother binary package installed?
>>>>
>>>> If it's not in the same directory, you need to tell the loader to look
>>>> in the directory where the brother binary package installed its
>>>> backend.  Let's say that is /opt/brother/sane, then you'd have to run
>>>>
>>>>   LD_LIBRARY_PATH=/opt/brother/sane scanimage -L
>>>>
>>>> Alternatively, you can make a symbolic link to the brother backend from
>>>> /usr/lib/i386-linux-gnu/sane/.  Using the same example location
>>>>
>>>>   cd /usr/lib/i386-linux-gnu/sane
>>>>   ln -s /opt/brother/sane/libsane-$backendname.$extension
>>>>
>>>> Hope this helps,
>>>> --
>>>> Olaf Meeuwissen, LPIC-2            FSF Associate Member since 2004-01-27
>>>>  GnuPG key: F84A2DD9/B3C0 2F47 EA19 64F4 9F13  F43E B8A4 A88A F84A 2DD9
>>>>  Support Free Software                        https://my.fsf.org/donate
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