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From: Subbsd <subbsd@gmail.com>
Date: Sat, 24 Dec 2016 15:14:27 +0300
Message-ID: <CAFt_eMp82EoBE7mR40sLn5yn=p0sq3QjxOYAQAYpAjKpJ1OH4Q@mail.gmail.com>
Subject: syslogd 100% cpu usage on recent FreeBSD version
To: freebsd-current Current <freebsd-current@freebsd.org>, hrs@freebsd.org
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Probably after https://svnweb.freebsd.org/base?view=revision&revision=310494,
 syslogd eat 100% cpu with follow messages:

Dec 24 14:19:15 samson syslogd: select: Bad file descriptor
Dec 24 14:19:45 samson last message repeated 464140 times
Dec 24 14:20:38 samson last message repeated 835899 times

truss -f for syslogd -ss:

http://pastebin.com/6XxmX89q