Date: Fri, 27 May 2016 00:19:38 +0000 From: bugzilla-noreply@freebsd.org To: freebsd-net@FreeBSD.org Subject: [Bug 209471] Listen queue overflow due to too many sockets stuck in CLOSED state Message-ID: <bug-209471-2472-7nHnfac19m@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-209471-2472@https.bugs.freebsd.org/bugzilla/> References: <bug-209471-2472@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D209471 --- Comment #21 from Robert Blayzor <rblayzor@inoc.net> --- 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 the assignee for the bug.=
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