[Freeswitch-dev] Debug fs

Szymon Olko solko at gcdf.pl
Tue Mar 17 05:32:17 PDT 2009 

Anthony Minessale pisze:
> if you can reproduce the steps to get it in that state, go into another
> console on the same box and do the following:
> 
> 1) cd to the FS source dir
> 
> 2) sh scripts/freeswitch-gcore > core.trace
> 
> 3) attach core.trace to a jira ticket
> 
> http://jira.freeswitch.org
> 
> 
Today I found core dump from yesterday. I killed freeswitch with 'kill -9' so it produced core dump as I belive. Don't know if it
useful?

#0  0x0055d263 in strlen () from /lib/libc.so.6
(gdb) bt
#0  0x0055d263 in strlen () from /lib/libc.so.6
#1  0x0052d82e in vfprintf () from /lib/libc.so.6
#2  0x0054dc9c in vasprintf () from /lib/libc.so.6
#3  0x00c07a9b in switch_vasprintf (ret=0xb56123c4, fmt=0x915dd8 "Conference %s (%u member%s%s)\n", ap=0xb56123e8 "") at
src/switch_apr.c:917
#4  0x00c14e1b in switch_console_stream_write (handle=0xb5612958, fmt=0x915dd8 "Conference %s (%u member%s%s)\n") at
src/switch_console.c:125
#5  0x0090eae5 in conf_api_sub_list (conference=0xb7988b90, stream=0xb5612958, argc=1, argv=0xb5612478) at mod_conference.c:3100
#6  0x009106ba in conf_api_main (cmd=0x8539caf "list", session=0x0, stream=0xb5612958) at mod_conference.c:4019
#7  0x00c2f40d in switch_api_execute (cmd=0x8539ca4 "conference", arg=0x8539caf "list", session=0x0, stream=0xb5612958)
    at src/switch_loadable_module.c:1541
#8  0x00bb16c2 in api_exec (thread=0x0, obj=0xb5612a08) at mod_event_socket.c:1280
#9  0x00bb2698 in parse_command (listener=0xb79f42a8, event=0xb5613390, reply=0xb5613123 "", reply_len=512) at mod_event_socket.c:1656
#10 0x00bb43d3 in listener_run (thread=0xb3aa1b88, obj=0xb79f42a8) at mod_event_socket.c:2055
#11 0x00c8b606 in dummy_worker (opaque=0xb3aa1b88) at threadproc/unix/thread.c:138
#12 0x0037745b in start_thread () from /lib/libpthread.so.0
#13 0x005bee5e in clone () from /lib/libc.so.6


> 
> On Mon, Mar 16, 2009 at 4:45 AM, Szymon Olko <solko at gcdf.pl> wrote:
> 
>     Hi,
> 
>     Today I could do nothing in conference. When I opend fs_cli I could
>     run 'status', and other commands, but when I input
>     'conference list' I did not receive any response. It happed also via
>     event_socket. On fs_cli I saw such logs afters 'fsctl
>     shutdown asap'
> 
>     freeswitch at internal> 2009-03-16 11:29:14 [DEBUG]
>     mod_conference.c:5663 mod_conference_shutdown() Waiting for 3 threads
>     2009-03-16 11:29:14 [DEBUG] mod_conference.c:5663
>     mod_conference_shutdown() Waiting for 3 threads
>     2009-03-16 11:29:14 [DEBUG] mod_conference.c:5663
>     mod_conference_shutdown() Waiting for 3 threads
>     2009-03-16 11:29:14 [DEBUG] mod_conference.c:5663
>     mod_conference_shutdown() Waiting for 3 threads
>     2009-03-16 11:29:14 [DEBUG] mod_conference.c:5663
>     mod_conference_shutdown() Waiting for 3 threads
>     2009-03-16 11:29:15 [DEBUG] mod_conference.c:5663
>     mod_conference_shutdown() Waiting for 3 threads
>     2009-03-16 11:29:15 [DEBUG] mod_conference.c:5663
>     mod_conference_shutdown() Waiting for 3 threads
>     2009-03-16 11:29:15 [DEBUG] mod_conference.c:5663
>     mod_conference_shutdown() Waiting for 3 threads
>     2009-03-16 11:29:15 [DEBUG] mod_conference.c:5663
>     mod_conference_shutdown() Waiting for 3 threads
>     2009-03-16 11:29:15 [DEBUG] mod_conference.c:5663
>     mod_conference_shutdown() Waiting for 3 threads
>     2009-03-16 11:29:15 [DEBUG] mod_conference.c:5663
>     mod_conference_shutdown() Waiting for 3 threads
>     2009-03-16 11:29:15 [DEBUG] mod_conference.c:5663
>     mod_conference_shutdown() Waiting for 3 threads
>     2009-03-16 11:29:15 [DEBUG] mod_conference.c:5663
>     mod_conference_shutdown() Waiting for 3 threads
>     2009-03-16 11:29:15 [DEBUG] mod_conference.c:5663
>     mod_conference_shutdown() Waiting for 3 threads
>     2009-03-16 11:29:15 [DEBUG] mod_conference.c:5663
>     mod_conference_shutdown() Waiting for 3 threads
>     2009-03-16 11:29:16 [DEBUG] mod_conference.c:5663
>     mod_conference_shutdown() Waiting for 3 threads
>     2009-03-16 11:29:16 [DEBUG] mod_conference.c:5663
>     mod_conference_shutdown() Waiting for 3 threads
> 
>     How can I debug such situations to open usable ticket?
> 
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> 
> 
> 
> 
> -- 
> Anthony Minessale II
> 
> FreeSWITCH http://www.freeswitch.org/
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> 
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> 
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> iax:guest at conference.freeswitch.org/888
> <http://iax:guest@conference.freeswitch.org/888>
> googletalk:conf+888 at conference.freeswitch.org
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> 
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