[Asterisk-Users] segmentation fault

Wed Apr 2 11:37:17 MST 2003

OK, here it is. On a flow of shorter calls it lasted about an hour.

[root at wpbx asterisk]# gdb asterisk core.12348
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This GDB was configured as "i386-redhat-linux"...
Core was generated by `asterisk -dgvvvc'.
Program terminated with signal 11, Segmentation fault.
Reading symbols from /lib/libdl.so.2...done.
Loaded symbols for /lib/libdl.so.2
Reading symbols from /lib/i686/libpthread.so.0...done.

warning: Unable to set global thread event mask: generic error
[New Thread 1024 (LWP 12342)]
Error while reading shared library symbols:
Can't attach LWP 12342: No such process
Reading symbols from /usr/lib/libncurses.so.5...done.
Loaded symbols for /usr/lib/libncurses.so.5
Reading symbols from /lib/i686/libm.so.6...done.
Loaded symbols for /lib/i686/libm.so.6
Reading symbols from /lib/i686/libc.so.6...done.
Loaded symbols for /lib/i686/libc.so.6
Reading symbols from /lib/ld-linux.so.2...done.
Loaded symbols for /lib/ld-linux.so.2
Reading symbols from /usr/lib/asterisk/modules/chan_modem.so...done.
.
.
.
.
Loaded symbols for /lib/libcrypt.so.1
Reading symbols from /lib/libnsl.so.1...done.
Loaded symbols for /lib/libnsl.so.1
Reading symbols from /usr/lib/asterisk/modules/format_pcm_alaw.so...done.
Loaded symbols for /usr/lib/asterisk/modules/format_pcm_alaw.so
#0  0x08055d86 in ast_queue_frame (chan=0x81cd398, fin=0x42c1991c, lock=1)
    at channel.c:354
354             cur = chan->pvt->readq;
(gdb) bt
#0  0x08055d86 in ast_queue_frame (chan=0x81cd398, fin=0x42c1991c, lock=1)
    at channel.c:354
#1  0x0805a9a0 in ast_queue_hangup (chan=0x81cd398, lock=1) at channel.c:391
#2  0x42412855 in handle_request (p=0x82b6350, req=0x42c1b25c,
sin=0x42c1b24c)
    at chan_sip.c:3762
#3  0x42412e6d in sipsock_read (id=0x80d7850, fd=10, events=1, ignore=0x0)
    at chan_sip.c:3840
#4  0x08050d9e in ast_io_wait (ioc=0x80d9018, howlong=1000) at io.c:268
#5  0x424131f5 in do_monitor (data=0x0) at chan_sip.c:3928
#6  0x4003ec6f in pthread_start_thread (arg=0x42c1bbe0) at manager.c:284
(gdb)

-----Original Message-----
From: Martin Pycko [mailto:martinp at digium.com]
Sent: Wednesday, April 02, 2003 11:38 AM
To: 'Asterisk-Users at Lists.Digium.Com'
Subject: Re: [Asterisk-Users] segmentation fault

asterisk -vvvcg (use g option to generate the coredump file)
than gdb asterisk core.pid
bt

Also you might send a log of "pri intense debug span <number>"

regards
Martin

On Wed, 2 Apr 2003, Alex Zarubin wrote:

> Configuration:
> Linux wpbx 2.4.9-13 #1 Tue Oct 30 20:11:04 EST 2001 i686 unknown
> P4 2.5 GHz, 1 GB RAM
> T400P with 3 T1s plugged in. A flow of 46 calls (spread out over 3 T1s).
> Each call gets transferred (Dial) to the SIP platform and stays for 5 min.
>
> Case 1. Asterisk built out of CVS Mar. 19. Test was running for 3 days.
> Segmentation fault.
> Case 2. Asterisk built out of CVS Apr. 1. Test was running for 12 hours.
> Segmentation fault.
>
> No coredump found. In case 1 there was a significant memory growth:
> Top at the startup:
> 15986 root       9   0  6440 6436  2144 S     0.0  0.6   0:00 asterisk
> 15987 root       8   0  6440 6436  2144 S     0.0  0.6   0:00 asterisk
> Top in several hours:
> 15986 root       9   0  9192 9188  2148 S     0.0  0.9   0:00 asterisk
> 15987 root       9   0  9192 9188  2148 S     0.0  0.9   0:00 asterisk
> Top after a day:
> 27441 root       9   0 45980  44M  2156 S     0.0  4.5   0:00 asterisk
> 27442 root       8   0 45980  44M  2156 S     0.0  4.5   0:16 asterisk
> Actually, I saw it over 50.
>
> There were some warning messages on the way. For example:
>
> Apr  1 23:22:33 WARNING[10251]: File chan_zap.c, Line 5248 (zt_pri_error):
> PRI:
> Read on 86 failed: Unknown error 500
> Apr  1 23:24:54 WARNING[11276]: File chan_zap.c, Line 5248 (zt_pri_error):
> PRI:
> !! Got reject for frame 102, retransmitting frame 102 now, updating n_r!
> Apr  1 23:24:54 WARNING[11276]: File chan_zap.c, Line 5248 (zt_pri_error):
> PRI:
> !! Got reject for frame 103, but we have nothing -- resetting!
> Apr  1 23:28:49 WARNING[10251]: File chan_zap.c, Line 5248 (zt_pri_error):
> PRI:
> !! Got reject for frame 29, retransmitting frame 29 now, updating n_r!
> Apr  1 23:28:49 WARNING[10251]: File chan_zap.c, Line 5248 (zt_pri_error):
> PRI:
> !! Got reject for frame 30, but we have nothing -- resetting!
> Apr  1 23:30:00 WARNING[11276]: File chan_zap.c, Line 5248 (zt_pri_error):
> PRI:
> Read on 87 failed: Unknown error 500
> Apr  1 23:30:24 WARNING[10251]: File chan_zap.c, Line 5248 (zt_pri_error):
> PRI:
> Read on 86 failed: Unknown error 500
>
> Question:
> What do I do to give you more info? Should I issue 'ulimit -c unlimited'
to
> get a coredump?
> Are there any flags/modes to set?
>
> Thank you.
> Alex Zarubin
>
>
>

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