Date: Tue, 19 Sep 2006 16:04:26 +0200 From: Ian FREISLICH <if@hetzner.co.za> To: Andre Oppermann <andre@freebsd.org> Cc: freebsd-current@freebsd.org Subject: Re: Connections locking up with today's -CURRENT Message-ID: <E1GPgD4-0008mf-Tc@hetzner.co.za> In-Reply-To: Message from Andre Oppermann <andre@freebsd.org> of "Tue, 19 Sep 2006 15:48:18 %2B0200." <450FF522.60909@freebsd.org>
next in thread | previous in thread | raw e-mail | index | archive | help
Andre Oppermann wrote: > 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 ESTABLIS HED > > > > 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? I should also say, it just jams one or two connections. Other connections to the server still function, and I can make new connections even with the few locked up connections. Ian -- Ian Freislich
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?E1GPgD4-0008mf-Tc>