Date: Tue, 19 Sep 2006 15:48:18 +0200 From: Andre Oppermann <andre@freebsd.org> To: Ian FREISLICH <if@hetzner.co.za> Cc: freebsd-current@freebsd.org Subject: Re: Connections locking up with today's -CURRENT Message-ID: <450FF522.60909@freebsd.org> In-Reply-To: <E1GPfma-0008hC-VG@hetzner.co.za> References: <E1GPfma-0008hC-VG@hetzner.co.za>
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Ian FREISLICH wrote: > Hi > > Anyone noticed that today's current has connections jamming like below: > > Proto Recv-Q Send-Q Local Address Foreign Address (state) > tcp4 0 33028 196.7.162.25.22 196.7.147.230.3569 ESTABLISHED > > Or > > Proto Recv-Q Send-Q Local Address Foreign Address (state) > tcp4 0 846 41.204.193.40.783 196.7.147.20.4131 LAST_ACK > tcp4 0 2707 41.204.193.40.783 196.7.147.136.3009 LAST_ACK > tcp4 0 650 41.204.193.40.783 196.7.147.18.2159 LAST_ACK > tcp4 0 587 41.204.193.40.783 196.7.147.20.3710 LAST_ACK > tcp4 0 587 41.204.193.40.783 196.7.147.18.2155 LAST_ACK > > It's odd because with the top one, I can still log out and the shell > disappears, except for the sshd process, which if I kill it terminates > the connection. > > In the second case, those LAST_ACK connections have been around for > about 2 hours. > > Heavy (well, not so heavy) traffic seems to trigger this on long > standing connections. For instance, 'tail -f /var/log/spamd.log' > on a busy spamassassin process will do it. Do you have an em(4) interface running at 100Mbit? -- Andre
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