[asterisk-users] Asterisk 1.4.0-beta3 spandsp rxfax woes (or me being hard of thinking)

[Chris Glover]

In this case, the machine was a spandsp virgin, it had never been
installed before.

I made sure I ran ldconfig before and after building, and still no joy.

I have managed to get iaxmodem and hylafax to work quite well though :-)

Chris

On Fri, 2006-12-08 at 12:43 +0000, Steve Davies wrote:
> The only time I have seen this problem myself is when Asterisk (and
> therefore rxfax) was built when the wrong spandsp header/library files
> were present on the system.
> 
> The required order of events is:
> 
> 1) Build spandsp
> 2) Install both spandsp binary libraries and includes, ensuring no old
> versions are present.
> 3) Rebuild asterisk from scratch
> 4) Profit... :)
> 
> If that doesn't work, then there may be a more fundamental problem.
> Someone did comment a while back that the new code seemed to be
> freeing an already free chunk of memory - Perhaps Asterisk has changed
> behaviour and is freeing something that the app used to be required to
> clean up itself - AFAIK, the workaround was to comment out the "free"
> that caused the crash in app_rxfax.c.
> 
> Cheers,
> Steve
> 
> On 12/8/06, Matt Gibson <diwelf at gmail.com> wrote:
> > Update on this -
> >
> > I tried with the newest spandsp on the snapshots site still to no
> > avail. I also ensured no other copies of spandsp exist, and adding
> > SPANDSP_LIBS=-lspandsp to makeopts, but still getting the segfault
> > when rxfax is called.
> >
> >
> >
> > On 07/12/06, Matt Gibson <diwelf at gmail.com> wrote:
> > > Same thing occuring here, on gentoo as well :(
> > >
> > >
> > > On 07/12/06, Chris Glover <chris at glovercc.plus.com> wrote:
> > > > Hi,
> > > >
> > > > I have installed the latest version of asterisk(1.4.0-beta3), and built
> > > > app_rxfax/txfax. I'm using spandsp from here,
> > > >
> > > > http://www.soft-switch.org/downloads/snapshots/spandsp/spandsp-20061207.tar.gz
> > > >
> > > > Everything builds ok. I had to manually apply the patch from the site so
> > > > configure would spot spandsp libraries. However, when I try dialing my
> > > > virtual fax extension (either from a phone or fax machine) Asterisk
> > > > bombs out with the following message...
> > > >
> > > > Executing [402 at default:1] RxFAX("SIP/101-081d63d0", "/tmp/test.tif") in
> > > > new stack
> > > > asterisk: symbol lookup error: /usr/lib/asterisk/modules/app_rxfax.so:
> > > > undefined symbol: span_set_message_handler
> > > >
> > > > This was me dialing from a normal sip extension, hoping to hear fax
> > > > tones. I did try the latest ebuild Gentoo have (1.2.13), this gave me
> > > > perfect fax tones, but completely refused to include chan_zap, so I
> > > > can't win :-)
> > > >
> > > > Please somebody tell me where I'm going wrong, been trying to get this
> > > > to work for hours. I've got rid of all the old libraries, recompiled...
> > > > my next step is to sacrifice a goat!
> > > >
> > > > Any help greatly appreciated.
> > > >
> > > > Chris
> > > >
> > > > --
> > > > Chris
> > > > ----------------------------------
> > > > E Mail: chris at glovercc.plus.com
> > > > SIP: 84411389 at voiptalk.org
> > > > IAXTEL: 17003366726
> > > >
> > > >
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-- 
Chris
----------------------------------
E Mail: chris at glovercc.plus.com
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