Use gcore to get a core dump. It will pause the process for the duration of the dump, but will not kill the process.
On Fri, Aug 21, 2009 at 11:24 AM, mark morreny<[email protected]> wrote: > 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 <[email protected]> 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 >> [email protected] >> >> >> >> >> 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 >> > >> > _______________________________________________ >> > FreeSWITCH-users mailing list >> > [email protected] >> > http://lists.freeswitch.org/mailman/listinfo/freeswitch-users >> > UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users >> > http://www.freeswitch.org >> >> >> _______________________________________________ >> FreeSWITCH-users mailing list >> [email protected] >> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users >> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users >> http://www.freeswitch.org > > > _______________________________________________ > FreeSWITCH-users mailing list > [email protected] > http://lists.freeswitch.org/mailman/listinfo/freeswitch-users > UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users > http://www.freeswitch.org > > -- -Rupa _______________________________________________ FreeSWITCH-users mailing list [email protected] http://lists.freeswitch.org/mailman/listinfo/freeswitch-users UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users http://www.freeswitch.org
