From owner-freebsd-net@freebsd.org Wed Jan 31 11:24:06 2018 Return-Path: Delivered-To: freebsd-net@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id A31A4EC4917 for ; Wed, 31 Jan 2018 11:24:06 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.ysv.freebsd.org (mxrelay.ysv.freebsd.org [IPv6:2001:1900:2254:206a::19:3]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mxrelay.ysv.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 32D967F5D7 for ; Wed, 31 Jan 2018 11:24:06 +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 mxrelay.ysv.freebsd.org (Postfix) with ESMTPS id 6816F97C for ; Wed, 31 Jan 2018 11:24:05 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.118]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id w0VBO5FT011647 for ; Wed, 31 Jan 2018 11:24:05 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id w0VBO5GU011646 for freebsd-net@FreeBSD.org; Wed, 31 Jan 2018 11:24:05 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: freebsd-net@FreeBSD.org Subject: [Bug 225535] Delays in TCP connection over Gigabit Ethernet connections; Regression from 6.3-RELEASE Date: Wed, 31 Jan 2018 11:24:05 +0000 X-Bugzilla-Reason: AssignedTo 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: regression X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: aeder@list.ru 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-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 31 Jan 2018 11:24:06 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D225535 --- Comment #20 from Aleksander Derevianko --- Now with em0 devices: A1 computer: root@fspa1:~/clock/new_res # grep times periodic_em0.txt | awk '{print $3 "= " $4 " " $6 " " $8 " " $10;}' | sort | uniq -c 11256 send_sync 0 0 0 0 10968 send_sync 0 0 0 1 234 send_sync 0 1 0 0 1 send_sync 0 1 0 1 A2 computer: root@fspa2:~/clock/new_res # grep times periodic_em0.txt | awk '{print $3 "= " $4 " " $6 " " $8 " " $10 ;}' | sort | uniq -c 18284 send_sync 0 0 0 0 2490 send_sync 0 0 0 1 1704 send_sync 0 1 0 0 Current results seems just fine. I think, rare delays for 230ms in previous tests is actually Realtec card problems. It's cheap TP-Link TG-3468 device,= so if it will continue to work fine with build-in em0 I will consider problem solved.=20 Actual solutions seems to be=20 kern.eventtimer.periodic=3D1 I will try to set only=20 kern.eventtimer.periodic=3D1=20 and=20 kern.timecounter.alloweddeviation=3D0=20 parameters, leaving everything else to system defaults. --=20 You are receiving this mail because: You are the assignee for the bug.=