[Asterisk-Users] segmentation fault

Thu Apr 3 00:22:30 MST 2003

Does running it under valgrind produce more useful output?

Mark

On Wed, 2 Apr 2003, Alex Zarubin wrote:

> OK, here it is. On a flow of shorter calls it lasted about an hour.
>
> [root at wpbx asterisk]# gdb asterisk core.12348
> GNU gdb Red Hat Linux 7.x (5.0rh-15) (MI_OUT)
> Copyright 2001 Free Software Foundation, Inc.
> GDB is free software, covered by the GNU General Public License, and you are
> welcome to change it and/or distribute copies of it under certain
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> Type "show copying" to see the conditions.
> There is absolutely no warranty for GDB.  Type "show warranty" for details.
> 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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