[Freeswitch-users] hanging problem with switch_scheduler_add_task

[mark morreny]

Hi Mathieu,

Thanks for your help.

How can I intentionally crash a hanging freeswitch and obtain the core file
to run gdb?

Thanks,
Mark

On Fri, Aug 21, 2009 at 11:59 PM, Mathieu Rene <mrene_lists at avgs.ca> wrote:

> Means another task is hanging, do a "thread apply all bt" in gdb and
> look for scheduler tasks.
>
> Mathieu Rene
> Avant-Garde Solutions Inc
> Office: + 1 (514) 664-1044 x100
> Cell: +1 (514) 664-1044 x200
> mrene at avgs.ca
>
>
>
>
> On 21-Aug-09, at 11:41 AM, mark morreny wrote:
>
> > Hi,
> >
> > I am experiencing some hanging when fs is executing
> > switch_scheduler_add_task.
> >
> > switch_scheduler_add_task(switch_epoch_time_now(NULL) ,
> > data_flush_callback, "data_flush","core",0,NULL,SSHF_NONE|
> > SSHF_NO_DEL);
> >
> > I place switch_scheduler_add_task in my SWITCH_MODULE_LOAD_FUNCTION
> > and sometimes, hanging occurs on that particular line.  My
> > data_flush_callback is as follows.  I debug the module and it does
> > not even enter data_flush_callback.  It is hanging at
> > switch_scheduler_add_task().
> >
> > SWITCH_STANDARD_SCHED_FUNC(data_flush_callback) {
> >
> >     switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG,
> > "starting to flush cdr record...\n");
> >
> >     int last_sequence = flush_data_to_csv();
> >     if (last_sequence > -1 ) {
> >
> >         update_last_seq(last_sequence);
> >     }
> >     task->runtime = switch_epoch_time_now(NULL) + globals.cycle_time;
> >
> > }
> >
> > Does anyone know why?
> >
> > Thanks,
> > Mark
> >
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