Re: [hylafax-users] [?? Probable Spam] Re: Wedged Iaxmodems

[Lee Howard <faxguy@xxxxxxxxxxxxxxxx>]

Maciej Żwirski wrote:
> Ok, I've recorded the death of a modem :) I'm sending the log 
> attached, and the recordings in a separate mail. I've noticed a few 
> HDLC errors during the transmission, but Iaxmodem seemed to have 
> recovered from those...

I got the mail and the recordings.  I can reproduce the call just fine, 
but I cannot reproduce the "death".

There were two "raw.recording" files that you sent to me (meaning that 
iaxmodem was apparently recording a new session (?) after the one that 
is illustrated in the session logs.  The "recording" files don't have 
anything but silence in them.

I am using HylaFAX+ 5.1.12 (well, to-be 5.2.0 from CVS) and not 4.3.1 as 
you are, but I don't think that's making the difference.  (It *may* make 
a difference in the frequency of the problems occurring, but not in the 
problem itself.)

I suspect that the issue is not in-session.  Can you confirm?  Can you 
take a look at your PBX logs for that moment in time to see if there was 
a call that came in right after that one that corresponds to the session 
log that you sent?  I suspect that the crash is happening due to IAX2 
protocol (in libiax2) rather than in DSP functions (in spandsp).

Can you maybe take a look at this particular time in the iaxmodem log?  
(/var/log/iaxmodem/)  See if there are any clues there.  Otherwise we'll 
need to enable debug logging for IAX2, and that gets very verbose.

Thanks,

Lee.


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