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From: Alexander Best <alexbestms@uni-muenster.de>
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Subject: Re: Auto doadump()
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maybe you could add a ddb(8) command to your crontab? i for example
have this in my crontab:

@reboot /sbin/ddb script 'kdb.enter.panic=textdump set; capture on;
show pcpu; show allpcpu; bt; ps; show locks; show alllocks; show
lockedvnods; alltrace; call doadump'

cheers.

-- 
Alexander Best