Epkowa failed to find all required interpreter API

Hi.

I'm struggling to get an Epson Perfection 4180 Photo scanner
to work
with the Epkowa back-end.  I'm running Ubuntu Dapper.

I get message: "Failed to find all required interpreter
API".  I can't
find any reference to this, so I'm a bit stuck.  Any idea
what it means?

scanimage finds the USB device and attaches.  libesint43.so
is installed
and it appears the back-end is finding it (scanimage used to
error
loading the library before I installed it from the rpm).  I
can see the
firmware file at /usr/share/iscan/esfw43.bin.  iscan fails
to load,
complaining it can't find libesmod.so.1 (which is there
in /usr/local/lib), but I understand this isn't required by
sane.

This is the relevant output from: SANE_DEBUG_EPKOWA=255
scanimage -L

[epkowa] attach_one_usb()
[epkowa] SANE EPKOWA Backend 1.16.0-3 - 2005-06-29
[epkowa] attach(, 3)
[epkowa] attach: opening
[epkowa] attach_one_usb(libusb:005:006)
[epkowa] SANE EPKOWA Backend 1.16.0-3 - 2005-06-29
[epkowa] attach(libusb:005:006, 3)
[epkowa] attach: opening libusb:005:006
[epkowa] Found valid EPSON scanner: 0x4b8/0x118
(vendorID/productID)
[epkowa] failed to find all required interpreter API
[epkowa] close_scanner(fd = 0)

Thanks for your help.

Scott


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Scott Barnham <sgbmanx.net> writes:

> Hi.
>
> I'm struggling to get an Epson Perfection 4180 Photo
scanner to work
> with the Epkowa back-end.  I'm running Ubuntu Dapper.
>
> I get message: "Failed to find all required
interpreter API".  I can't
> find any reference to this, so I'm a bit stuck.  Any
idea what it means?

That there is something seriously wrong with the interpreter
module
(libesint43.so) you installed or the backend you are using.

> scanimage finds the USB device and attaches. 
libesint43.so is installed
> and it appears the back-end is finding it (scanimage
used to error
> loading the library before I installed it from the
rpm).  I can see the
> firmware file at /usr/share/iscan/esfw43.bin.  iscan
fails to load,
> complaining it can't find libesmod.so.1 (which is there
> in /usr/local/lib), but I understand this isn't
required by sane.

libesmod.so is only used by iscan.  If you use scanimage,
xsane or any
other SANE backend, it is neither necessary nor used.

> This is the relevant output from: SANE_DEBUG_EPKOWA=255
scanimage -L
>
> [epkowa] attach_one_usb()
> [epkowa] SANE EPKOWA Backend 1.16.0-3 - 2005-06-29

Eh, this is way old ... and does not work with the current
plugin
modules.

Do yourself a favour and get iscan-2.x, make sure you use
the packages
for gcc-3.4 or later for both the iscan and plugin package
and try
again.

Ideally, you'd be using (as per download page[1]):

  iscan-2.4.0-0.c2.i386.rpm
  iscan-plugin-gt-f600-1.0.0-1.c2.i386.rpm

and install both with:

  $ sudo alien --install --scripts RPM_FILE

after you removed all traces of iscan from your system.

> [epkowa] attach(, 3)
> [epkowa] attach: opening
> [epkowa] attach_one_usb(libusb:005:006)
> [epkowa] SANE EPKOWA Backend 1.16.0-3 - 2005-06-29
> [epkowa] attach(libusb:005:006, 3)
> [epkowa] attach: opening libusb:005:006
> [epkowa] Found valid EPSON scanner: 0x4b8/0x118
(vendorID/productID)
> [epkowa] failed to find all required interpreter API
> [epkowa] close_scanner(fd = 0)
>
> Thanks for your help.

References:
[1]  htt
p://www.avasys.jp/english/linux_e/dl_scan.html

Hope this helps,
-- 
Olaf Meeuwissen                          EPSON AVASYS
Corporation, SE1
FSF Associate Member #1962           sign up at http://member.fsf.org/
GnuPG key: 6BE37D90/AB6B 0D1F 99E7 1BF5 EB97  976A 16C7 F27D
6BE3 7D90
Penguin's lib!       -- I hack, therefore I am --           
   LPIC-2

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On Tue, 2006-12-19 at 09:52 +0900, Olaf Meeuwissen wrote:
> > [epkowa] attach_one_usb()
> > [epkowa] SANE EPKOWA Backend 1.16.0-3 - 2005-06-29
> 
> Eh, this is way old ... and does not work with the
current plugin
> modules.
> 
> Do yourself a favour and get iscan-2.x

Thanks for the advice, Olaf.

The Epkowa backed I had came from the Ubuntu libsane-extras
package and
I didn't realise it was out of date.

I installed the iscan rpm and both Xsane and iscan are
working well!

Thanks again.

Scott


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