Hello, maybe the coredump got corrupted. Was it opened with other applications?
Can you reproduce the issue? Any error log messages before the crash? Cheers, Daniel On 13/08/15 11:57, Sven Neuhaus wrote: > Hi, > > we're experiencing crashes in the siptrace.so module with Kamailio > 4.3.1. I looked at the core dump with gdb but it complained about > missing debugging symbols so all I could see was that it called > do_action() before branching into an unknown function in the siptrace > module. > > I then installed the kamailio-dbg package to get the debugging symbols. > This had the weird effect that get the error "Cannot access memory at > ..." in GDB and no longer see *any* function names (previously only the > names in the siptrace module were missing. > > Any idea whats going on? > > # gdb /usr/sbin/kamailio core > GNU gdb (GDB) 7.4.1-debian > Copyright (C) 2012 Free Software Foundation, Inc. > License GPLv3+: GNU GPL version 3 or later > <http://gnu.org/licenses/gpl.html> > This is free software: you are free to change and redistribute it. > There is NO WARRANTY, to the extent permitted by law. Type "show copying" > and "show warranty" for details. > This GDB was configured as "x86_64-linux-gnu". > For bug reporting instructions, please see: > <http://www.gnu.org/software/gdb/bugs/>... > Reading symbols from /usr/sbin/kamailio...Reading symbols from > /usr/lib/debug/.build-id/e7/8dc57031d294f320b360d8f2f875a005db757e.debug...done. > done. > [New LWP 31426] > Cannot access memory at address 0x3840f881f9c13908 > Cannot access memory at address 0x3840f881f9c13900 > (gdb) list > 1771 main.c: No such file or directory. > (gdb) info threads > Id Target Id Frame > * 1 LWP 31426 0x00007fbc89403f0f in ?? () > (gdb) bt full > #0 0x00007fbc89403f0f in ?? () > No symbol table info available. > #1 0x0800011000d46460 in ?? () > No symbol table info available. > #2 0xffffffff00000001 in ?? () > No symbol table info available. > #3 0x0000000000d63230 in ?? () > No symbol table info available. > #4 0x00000000d59d000a in ?? () > No symbol table info available. > #5 0x0000000000000000 in ?? () > No symbol table info available. > > > # dpkg -l kamailio\* > Desired=Unknown/Install/Remove/Purge/Hold > | > Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend > |/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad) > ||/ Name Version Architecture > Description > +++-==============================-====================-====================-================================================================= > ii kamailio 4.3.1+wheezy amd64 > very fast and configurable SIP proxy > un kamailio-berkeley-modules <none> > (no description available) > un kamailio-carrierroute-modules <none> > (no description available) > un kamailio-cpl-modules <none> > (no description available) > ii kamailio-dbg:amd64 4.3.1+wheezy amd64 > very fast and configurable SIP proxy [debug symbols] > un kamailio-ldap-modules <none> > (no description available) > un kamailio-lua-modules <none> > (no description available) > un kamailio-mysql-modules <none> > (no description available) > un kamailio-perl-modules <none> > (no description available) > ii kamailio-postgres-modules:amd6 4.3.1+wheezy amd64 > PostgreSQL database connectivity module for Kamailio > un kamailio-presence-modules <none> > (no description available) > un kamailio-python-modules <none> > (no description available) > un kamailio-radius-modules <none> > (no description available) > un kamailio-snmpstats-modules <none> > (no description available) > un kamailio-tls-modules <none> > (no description available) > un kamailio-unixodbc-modules <none> > (no description available) > un kamailio-xml-modules <none> > (no description available) > un kamailio-xmpp-modules <none> > (no description available) > > > > Regards, > -Sven > > > > _______________________________________________ > SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list > sr-users@lists.sip-router.org > http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users -- Daniel-Constantin Mierla http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda Book: SIP Routing With Kamailio - http://www.asipto.com
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