[Asterisk-Users] Asterisk and Festival (* dies with no info)

Brian West brian at bkw.org
Tue Jan 13 14:39:12 MST 2004 

You can attach to it with gdb and do a "thread apply all bt" and report a
bug if it is in fact a deadlock'ed *

bkw

On Tue, 13 Jan 2004, Chris Albertson wrote:

>
> "strace" might give you some helpfull info.  See man strace.
> It will record system calls and signels.
>
> Given what you say I'd run Asterisk in a debugger.  I like
> "DDD"  Compile everything with the -g gcc option first
> so the debugger can display source code lines.  In DDD when
> the program stops the curser will be left on the last line
> executed and you can cause it to "run backwards" and see
> how you got there.
>
> Also, are you sure the Asterisk process died and isnot just
> hung either in an infinite loop or waiting for something
> that will never happen?  What doe "ps" say?
>
> --- Doug Raum <draum at zoom.com> wrote:
> > Hello,
> >
> > I have Asterisk running on a RH9 box; Everything seems to be working
> > as it
> > should, except for Festival.  Every time that Festival is called from
> > Asterisk, Asterisk silently shuts down.  Festival doesn't give any
> > error
> > indication and Asterisk just plain dies without a peep.
> >
> > Festival was installed per the Wiki, using source and patched with
> > festival-1.4.3-diff;  it works fine at the console.  Asterisk is
> > built from
> > CVS and has been configured per the Wiki as well, including the test
> > extension (555).  I start Festival with the "festival_server" script,
> > then
> > start Asterisk.
> >
> > (snippet from extensions.conf)
> > exten => 555,1,Answer
> > exten => 555,2,Festival(mary had a little lamb)
> > exten => 555,3,Hangup
> >
> > Here's what Asterisk says with -vvvvv, calling from SIP 81001 to 555:
> >  Asterisk Ready.
> >      -- Executing Answer("SIP/81001-e87b", "") in new stack
> >      -- Executing Festival("SIP/81001-e87b", "mary had a little
> > lamb") in
> > new stack
> >    == Parsing '/etc/asterisk/festival.conf': Found
> >    == Spawn extension (from-sip, 555, 2) exited non-zero on
> > 'SIP/81001-e87b'
> >
> > ...at this point Asterisk is dead.  No segfault, no error message.
> >
> > # cat /var/log/asterisk/messages
> > Jan  7 15:36:49 WARNING[1074416352]: File chan_iax2.c, Line 5466
> > (set_config): Ignoring port for now
> >
> > # cat /var/log/asterisk/event_log
> > Jan  7 15:36:47 asterisk[5038]: Started Asterisk Event Logger
> >
> > (I capture stderr to asterisk.err)
> > # cat /var/log/asterisk/asterisk.err
> > Warning, flexibel rate not heavily tested!
> > Ouch ... error while writing audio data: : Broken pipe
> >
> > I'm guessing the ouch comes from mpg123 being surprised that Asterisk
> > is
> > gone.
> >
> > Debug info in syslog seems pretty unhelpful if I use -d:
> > Jan  7 15:37:00  asterisk_pbx[5038]: Jan  7 15:37:00
> > DEBUG[1150495040]: File
> > chan_sip.c, Line 4024 (check_user):
> > Jan  7 15:37:00  asterisk_pbx[5038]: Jan  7 15:37:00
> > DEBUG[1150495040]: File
> > chan_sip.c, Line 5098 (handle_request):
> > Jan  7 15:37:00  asterisk_pbx[5038]: Jan  7 15:37:00
> > DEBUG[1150495040]: File
> > chan_sip.c, Line 1002 (find_user):
> > Jan  7 15:37:00  asterisk_pbx[5038]: Jan  7 15:37:00
> > DEBUG[1150495040]: File
> > chan_sip.c, Line 3417 (build_route):
> > Jan  7 15:37:00  asterisk_pbx[5038]: Jan  7 15:37:00
> > DEBUG[1234379840]: File
> > app_festival.c, Line 304 (festival_exec):
> > Jan  7 15:37:00  asterisk_pbx[5038]: Jan  7 15:37:00
> > DEBUG[1234379840]: File
> > app_festival.c, Line 361 (festival_exec):
> > Jan  7 15:37:00  asterisk_pbx[5038]: Jan  7 15:37:00
> > DEBUG[1234379840]: File
> > app_festival.c, Line 363 (festival_exec):
> > Jan  7 15:37:00  asterisk_pbx[5038]: Jan  7 15:37:00
> > DEBUG[1234379840]: File
> > app_festival.c, Line 379 (festival_exec):
> > Jan  7 15:37:00  asterisk_pbx[5038]: Jan  7 15:37:00
> > DEBUG[1234379840]: File
> > app_festival.c, Line 400 (festival_exec):
> > Jan  7 15:37:00  asterisk_pbx[5038]: Jan  7 15:37:00
> > DEBUG[1234379840]: File
> > app_festival.c, Line 410 (festival_exec):
> > Jan  7 15:37:00  asterisk_pbx[5038]: Jan  7 15:37:00
> > DEBUG[1150495040]: File
> > chan_sip.c, Line 567 (__sip_ack):
> > Jan  7 15:37:00  asterisk_pbx[5038]: Jan  7 15:37:00
> > DEBUG[1150495040]: File
> > chan_sip.c, Line 567 (__sip_ack):
> > Jan  7 15:37:01  asterisk_pbx[5038]: Jan  7 15:37:01
> > DEBUG[1234379840]: File
> > cdr_addon_mysql.c, Line 123 (mysql_log):
> > Jan  7 15:37:01  asterisk_pbx[5038]: Jan  7 15:37:01
> > DEBUG[1234379840]: File
> > cdr_addon_mysql.c, Line 130 (mysql_log):
> > Jan  7 15:37:01  asterisk_pbx[5038]: Jan  7 15:37:01
> > DEBUG[1234379840]: File
> > chan_sip.c, Line 1081 (sip_hangup):
> >
> > Festival's info is very minimal, but seems to indicate success:
> > # cat festival_server.log
> > "Load server start ./festival_server.scm"
> > festival port=1314
> > wrapper Wed Jan 7 15:36:40 EST 2004 : USING DEFAULT CONFIGURATION
> > wrapper Wed Jan 7 15:36:41 EST 2004 : waiting
> > server    Wed Jan  7 15:36:41 2004 : Festival server started on port
> > 1314
> > client(1) Wed Jan  7 15:37:00 2004 : accepted from localhost
> > client(1) Wed Jan  7 15:37:00 2004 : disconnected
> >
> > ...a process listing after the * crash shows a zombie festival,
> > although
> > Festival will happily take new connections:
> >  5024 ?        S      0:00 /bin/sh
> > /usr/local/festival/bin/festival_server
> >  5030 ?        S      0:00 festival --server ./festival_server.scm
> >  5065 ?        Z      0:00 [festival <defunct>]
> >
> > I can restart Asterisk again, and do this over and over and over.  If
> > I use
> > the -g option to generate a core dump, I never see one generated.
> >
> > Any thoughts on what might be happening here?  What am I doing wrong?
> >
> > --
> > Doug
> > _______________________________________________
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>
> =====
> Chris Albertson
>   Home:   310-376-1029  chrisalbertson90278 at yahoo.com
>   Cell:   310-990-7550
>   Office: 310-336-5189  Christopher.J.Albertson at aero.org
>   KG6OMK
>
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