From owner-freebsd-net@FreeBSD.ORG Sun May 23 22:06:43 2010 Return-Path: Delivered-To: freebsd-net@hub.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 8A23F106564A for ; Sun, 23 May 2010 22:06:43 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (unknown [IPv6:2001:4f8:fff6::28]) by mx1.freebsd.org (Postfix) with ESMTP id 7A8318FC20 for ; Sun, 23 May 2010 22:06:43 +0000 (UTC) Received: from freefall.freebsd.org (localhost [127.0.0.1]) by freefall.freebsd.org (8.14.4/8.14.4) with ESMTP id o4NM6gkj016874 for ; Sun, 23 May 2010 22:06:42 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.4/8.14.4/Submit) id o4NM6gor016873; Sun, 23 May 2010 22:06:42 GMT (envelope-from gnats) Date: Sun, 23 May 2010 22:06:42 GMT Message-Id: <201005232206.o4NM6gor016873@freefall.freebsd.org> To: freebsd-net@FreeBSD.org From: Kurt Jaeger Cc: Subject: Re: kern/146792: [flowtable] flowcleaner 100% cpu's core load X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: Kurt Jaeger List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 23 May 2010 22:06:43 -0000 The following reply was made to PR kern/146792; it has been noted by GNATS. From: Kurt Jaeger To: bug-followup@FreeBSD.org, niko@gtelecom.ru Cc: Subject: Re: kern/146792: [flowtable] flowcleaner 100% cpu's core load Date: Sun, 23 May 2010 16:19:25 +0200 Hi! I observe a similar behaviour on a 8.0-RELEASE-p2 i386 GENERIC kernel. System receives 2 BGP4 fullfeeds (approx. 310K routes each). The system is still running, a few processes are unkillable or die only after a long amount (1-2h) of time. Here's the list of unkillable processes: 80871 ?? R 0:00.00 /bin/sh /etc/periodic/daily/470.status-named 76499 ?? Rs 0:00.01 sshd: [accepted] (sshd) 76922 ?? Rs 0:00.01 sshd: [accepted] (sshd) flowcleaner looks pretty busy (for an uptime of approx. 40h): 22 ?? RL 1209:50.98 [flowcleaner] 4:17PM up 1 day, 22:22, 2 users, load averages: 7.20, 6.53, 5.81 quagga is running on the system, bgpd mgmt cli is no longer reachable: # telnet 0 2605 Trying 0.0.0.0... Connected to 0. Escape character is '^]'. ^] telnet> close Connection closed. # What can I do to help to debug this ? No console access available right now, but can probably made available. This is a production host, but not yet super-critical, so... -- pi@opsec.eu +49 171 3101372 10 years to go !