From owner-freebsd-bugs@freebsd.org Thu Sep 12 11:23:24 2019 Return-Path: Delivered-To: freebsd-bugs@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 36209F2F8D for ; Thu, 12 Sep 2019 11:23:24 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mailman.nyi.freebsd.org (unknown [127.0.1.3]) by mx1.freebsd.org (Postfix) with ESMTP id 46Tbx80jXLz482s for ; Thu, 12 Sep 2019 11:23:24 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: by mailman.nyi.freebsd.org (Postfix) id 185C5F2F8C; Thu, 12 Sep 2019 11:23:24 +0000 (UTC) Delivered-To: bugs@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 18242F2F8B for ; Thu, 12 Sep 2019 11:23:24 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 46Tbx76w5kz482r for ; Thu, 12 Sep 2019 11:23:23 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2610:1c1:1:606c::50:1d]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id D0B1E1E056 for ; Thu, 12 Sep 2019 11:23:23 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id x8CBNNfr041816 for ; Thu, 12 Sep 2019 11:23:23 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id x8CBNNsN041805 for bugs@FreeBSD.org; Thu, 12 Sep 2019 11:23:23 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 240532] pf stops purging IPv6 FIN_WAIT_2 states? Date: Thu, 12 Sep 2019 11:23:23 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 11.2-RELEASE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: pen@lysator.liu.se X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: bugs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version rep_platform op_sys bug_status bug_severity priority component assigned_to reporter attachments.created Message-ID: 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-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 12 Sep 2019 11:23:24 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D240532 Bug ID: 240532 Summary: pf stops purging IPv6 FIN_WAIT_2 states? Product: Base System Version: 11.2-RELEASE Hardware: amd64 OS: Any Status: New Severity: Affects Some People Priority: --- Component: kern Assignee: bugs@FreeBSD.org Reporter: pen@lysator.liu.se Created attachment 207418 --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=3D207418&action= =3Dedit pf.conf I just noticed that our production servers seems to be accumulating FIN_WAI= T_2 state entries in PF (atleast IPv6 ones). # pfctl -ss | egrep FIN_WAIT_2 | egrep -v 2001 | wc -l 386 # pfctl -ss | egrep FIN_WAIT_2 | egrep 2001 | wc -l 23141 Using workaround from bug 222126 seems to wake up the "pf purge" kernel thr= ead again=20 (atleast for a while): # echo "set timeout interval 5" | pfctl -mf - FreeBSD 11.2-RELEASE-p10 Dell PowerEdge R730xd 256GB RAM (NFS & SMB fileservers) --=20 You are receiving this mail because: You are the assignee for the bug.=