From owner-freebsd-amd64@freebsd.org Fri May 27 00:19:39 2016 Return-Path: Delivered-To: freebsd-amd64@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 53D76B4B79B for ; Fri, 27 May 2016 00:19:39 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2001:1900:2254:206a::16:76]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 2C6BE1B88 for ; Fri, 27 May 2016 00:19:39 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from bugs.freebsd.org ([127.0.1.118]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id u4R0Jc57039351 for ; Fri, 27 May 2016 00:19:39 GMT (envelope-from bugzilla-noreply@freebsd.org) From: bugzilla-noreply@freebsd.org To: freebsd-amd64@FreeBSD.org Subject: [Bug 209471] Listen queue overflow due to too many sockets stuck in CLOSED state Date: Fri, 27 May 2016 00:19:38 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 10.3-RELEASE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: rblayzor@inoc.net X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: freebsd-net@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-Mailman-Approved-At: Fri, 27 May 2016 01:52:53 +0000 X-BeenThere: freebsd-amd64@freebsd.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Porting FreeBSD to the AMD64 platform List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 27 May 2016 00:19:39 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D209471 --- Comment #21 from Robert Blayzor --- This finally showed it's head again... sonewconn: pcb 0xfffff80001b2bc40: Listen queue overflow: 301 already in qu= eue awaiting acceptance (25 occurrences) sonewconn: pcb 0xfffff80001b2bc40: Listen queue overflow: 301 already in qu= eue awaiting acceptance (28 occurrences) sonewconn: pcb 0xfffff80001b2bc40: Listen queue overflow: 301 already in qu= eue awaiting acceptance (25 occurrences) ... netstat -an | grep CLOSED | wc -l 301 procstat -ta 726 100087 dovecot - 1 120 sleep kqread 61961 100200 dovecot - 3 120 sleep vmf_de The process is dovecot... and when I see this happen, the state is stuck in "vmf_de" which is from the patch in Bug 204426 tcpdrop -l -a | tail tcpdrop 2607:f058:110:2::1:1 4190 2607:f058:110:2::f:0 49170 tcpdrop 2607:f058:110:2::1:1 4190 2607:f058:110:2::f:1 55998 tcpdrop 2607:f058:110:2::1:1 4190 2607:f058:110:2::f:0 47559 tcpdrop 2607:f058:110:2::1:1 4190 2607:f058:110:2::f:1 36319 tcpdrop 2607:f058:110:2::1:1 4190 2607:f058:110:2::f:0 47496 tcpdrop 2607:f058:110:2::1:1 4190 2607:f058:110:2::f:1 46326 tcpdrop 2607:f058:110:2::1:1 4190 2607:f058:110:2::f:0 36871 tcpdrop 2607:f058:110:2::1:1 4190 2607:f058:110:2::f:1 24142 tcpdrop 2607:f058:110:2::1:1 4190 2607:f058:110:2::f:0 7962 tcpdrop 2607:f058:110:2::1:1 4190 2607:f058:110:2::f:1 13402 [~] sudo tcpdrop 2607:f058:110:2::1:1 4190 2607:f058:110:2::f:0 7962 tcpdrop: 2607:f058:110:2::1:1 4190 2607:f058:110:2::f:0 7962: No such proce= ss [~] sudo tcpdrop 2607:f058:110:2::1:1 4190 2607:f058:110:2::f:1 13402 tcpdrop: 2607:f058:110:2::1:1 4190 2607:f058:110:2::f:1 13402: No such proc= ess --=20 You are receiving this mail because: You are on the CC list for the bug.=