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https://origsvn.digium.com/svn/asterisk/branches/1.4 ................ r77844 | murf | 2007-07-31 14:59:10 -0600 (Tue, 31 Jul 2007) | 9 lines Merged revisions 77842 via svnmerge from https://origsvn.digium.com/svn/asterisk/branches/1.2 ........ r77842 | murf | 2007-07-31 13:19:35 -0600 (Tue, 31 Jul 2007) | 1 line This probably isn't super-general, but it's a first stab at using kill -11 to generate a core file instead of gcore. ........ ................ git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@77847 65c4cc65-6c06-0410-ace0-fbb531ad65f3
71 lines
2.5 KiB
Bash
71 lines
2.5 KiB
Bash
#!/bin/sh
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# $Id$
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# lame quickie script to snarf a core of a hung asterisk process.
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# bugs to ast_grab_core, blinky-lights.org (derrick daugherty)
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# we have found that gcore doesn't yield as useful a core file
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# as that yielded by a signal-caused core dump. So we are going to change
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# the strategy to sending a SEGV signal to the asterisk process,
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# and have it 'burn to the ground', leaving behind a core file.
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# the main difference is that you cannot control where the
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# core file will end up. We will assume that safe_asterisk was
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# used to start asterisk, and the core file should therefore end
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# up in /tmp (because safe_asterisk cd's there before starting asterisk).
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# if this is not the case, set DUMPDIR to the place where the core
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# file can be found.
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DATE=`date +%Y%m%d%H%M`
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DUMPDIR=/tmp
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HOSTNAME=`hostname`
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ADMINEMAIL="root@localhost"
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#the following should be improved
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if [ -e /etc/asterisk/asterisk.conf ]; then
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RUNDIR=`awk -F"=>" '/astrundir/ {print $2}' /etc/asterisk/asterisk.conf`
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PID=`cat ${RUNDIR}/asterisk.pid`
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elif [ -e /var/run/asterisk.pid ] ; then
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PID=`cat /var/run/asterisk.pid`
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else
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echo Could not find an asterisk.conf definition for astrundir, using \'ps\'
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echo to try and determine process ID. This is not reliable.
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PID=`ps auxwf|grep asterisk|grep vv|head -1|awk '{print $2}'`
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fi
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echo Snarfing asterisk core, this could take a few seconds depending
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echo on how much memory is in use.
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echo
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echo \*\*\* WARNING \*\*\* If the system is not already locked this will cause the
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echo \*\*\* WARNING \*\*\* process to STOP while memory is dumped to disk.
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echo
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/bin/kill -11 ${PID}
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echo Snarfed! ${DUMPDIR}/core.${PID}
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echo
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echo Trying for a backtrace of the captured core.
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/usr/bin/gdb /usr/sbin/asterisk ${DUMPDIR}/core.${PID} > ${DUMPDIR}/gdb_dump.${PID}.txt 2> /dev/null << EOF
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set prompt \n
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set print pretty\n
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echo --------------------------------------------------------------------------------\n
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echo INFO THREAD
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info thread
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echo --------------------------------------------------------------------------------\n
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echo THREAD APPLY ALL BT
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thread apply all bt
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echo --------------------------------------------------------------------------------\n
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echo THREAD APPLY ALL BT FULL
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thread apply all bt full
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quit
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EOF
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echo Done trying for a bt.
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echo Notifying admins of the core.
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/usr/bin/mail -s "${HOSTNAME} core dumped at ${DUMPDIR}/core.${PID}" ${ADMINEMAIL} < ${DUMPDIR}/gdb_dump.${PID}.txt
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echo Done.
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echo
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echo Reproducible deadlocks should be posted with a full backtrace and instructions
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echo to reproduce the issue at http://bugs.digium.com/ Thanks!
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