asterisk users - Nov 2021 - 18.7.1 - can't load res_fax, can't stop app_fax

On Wed, Nov 3, 2021 at 9:09 AM Kingsley Tart <kingsley at dns99.co.uk>
wrote:
> Hi,
>
> I'm using Asterisk 18.7.1.
>
> I can't get res_fax to load. I built it accidentally with app_fax
> enabled, and was getting this in the log on startup:
>
> [Nov  3 11:52:31] ERROR[10886] loader.c: Error loading module
> 'res_fax_spandsp.so', missing dependency: res_fax
>
> Discovering that app_fax and res_fax conflict, I went back in to make
> menuselect and unselected app_fax, so now it says this:
>
>                     ( ) app_fax
>
> and in the resource modules I have this:
>
>                     [*] res_fax
>
> so I re-did make and make install and then a full asterisk restart, but
> I still got the same "missing dependency: res_fax" error in the
log.
>
> I noticed that "noload => res_fax.so" was in modules.conf so I
removed
> that line and restarted Asterisk again, but it then declined to load,
> ending with this error:
>
> [Nov  3 11:54:45] ERROR[11381] loader.c: *** Failed to load module
> app_fax.so
> [Nov  3 11:54:45] ERROR[11381] asterisk.c: Module initialization failed.
> ASTERISK EXITING!
>
> and sure enough if I put that line back in to modules.conf, Asterisk
> start and I notice that it's been saying this:
>
> [Nov  3 11:54:59] WARNING[11510] loader.c: Module 'app_fax' has
been
> loaded but was deprecated in Asterisk version 16 and will be removed in
> Asterisk version 19. Its replacement is 'res_fax'.
>
> I can't figure out why it's still loading app_fax. Any ideas?
>
Is the app_fax.so module still in /usr/lib/asterisk/modules? If so - if you
remove it do things work.
Is app_fax.so explicitly being loaded in modules.conf?

-- 
Joshua C. Colp
Asterisk Technical Lead
Sangoma Technologies
Check us out at www.sangoma.com and www.asterisk.org
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> Is the app_fax.so module still in /usr/lib/asterisk/modules? If so -
> if you remove it do things work.
> Is app_fax.so explicitly being loaded in modules.conf?
Thanks.

I was already waiting for it to finish recompiling after Doug's
suggestion but yes, app_fax.so was still in there and removing it then
let me remove the noload => res_fax.so line from modules.conf and
everything started fine.

At the end of the re-compile it was nice to see it point this out
actually:

--8<--
 WARNING WARNING WARNING

 Your Asterisk modules directory, located at
 /usr/lib/asterisk/modules
 contains modules that were not installed by this 
 version of Asterisk. Please ensure that these
 modules are compatible with this version before
 attempting to run Asterisk.

    app_fax.so

 WARNING WARNING WARNING
--8<--


No, modules.conf didn't mention app_fax.

Thanks. All sorted. Now to work on the next one ;)

-- 
Cheers,
Kingsley.

> Is the app_fax.so module still in /usr/lib/asterisk/modules? If so -
> if you remove it do things work.
> Is app_fax.so explicitly being loaded in modules.conf?
Thanks.

I was already waiting for it to finish recompiling after Doug's
suggestion but yes, app_fax.so was still in there and removing it then
let me remove the noload => res_fax.so line from modules.conf and
everything started fine.

At the end of the re-compile it was nice to see it point this out
actually:

--8<--
 WARNING WARNING WARNING

 Your Asterisk modules directory, located at
 /usr/lib/asterisk/modules
 contains modules that were not installed by this 
 version of Asterisk. Please ensure that these
 modules are compatible with this version before
 attempting to run Asterisk.

    app_fax.so

 WARNING WARNING WARNING
--8<--


No, modules.conf didn't mention app_fax.

Thanks. All sorted. Now to work on the next one ;)

-- 
Cheers,
Kingsley.