Dave - Handy Tip on setting up automated coredump handling for FreeBSD

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add this to /etc/ddb.conf:

# $FreeBSD$
#  This file is read when going to multi-user and its contents piped thru
#  ``ddb'' to define debugging scripts.
# see ``man 4 ddb'' and ``man 8 ddb'' for details.

script lockinfo=show locks; show alllocks; show lockedvnods

# kdb.enter.panic       panic(9) was called.
script kdb.enter.panic=textdump set; capture on; run lockinfo; show pcpu; bt; ps; alltrace; capture off; call doadump; reset

# kdb.enter.witness     witness(4) detected a locking error.
script kdb.enter.witness=run lockinfo

and these to /etc/sysctl.conf:

# debug
# http://www.etinc.com/122/Using-FreeBSD-Text-Dumps

and your next kernel coredump will be diligently auto-converted for you to text and dropped in /var/crash/ as usual, then rebooted.
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