From owner-freebsd-bugs@freebsd.org Fri Nov 22 19:53:49 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 35AB11BFC8F for ; Fri, 22 Nov 2019 19:53:49 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mailman.nyi.freebsd.org (mailman.nyi.freebsd.org [IPv6:2610:1c1:1:606c::50:13]) by mx1.freebsd.org (Postfix) with ESMTP id 47KRvJ6VwVz49Nl for ; Fri, 22 Nov 2019 19:53:48 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: by mailman.nyi.freebsd.org (Postfix) id DF4A91BFC8E; Fri, 22 Nov 2019 19:53:48 +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 DF0F61BFC8D for ; Fri, 22 Nov 2019 19:53:48 +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 47KRvJ5fKCz49Nk for ; Fri, 22 Nov 2019 19:53:48 +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 A6B9D9CA for ; Fri, 22 Nov 2019 19:53:48 +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 xAMJrmJD077346 for ; Fri, 22 Nov 2019 19:53:48 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id xAMJrm9T077345 for bugs@FreeBSD.org; Fri, 22 Nov 2019 19:53:48 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 242159] [em] I219-V connection lost under load Date: Fri, 22 Nov 2019 19:53:48 +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: 12.1-RELEASE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Many People X-Bugzilla-Who: julien@perdition.city 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: Fri, 22 Nov 2019 19:53:49 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D242159 Bug ID: 242159 Summary: [em] I219-V connection lost under load Product: Base System Version: 12.1-RELEASE Hardware: amd64 OS: Any Status: New Severity: Affects Many People Priority: --- Component: kern Assignee: bugs@FreeBSD.org Reporter: julien@perdition.city Created attachment 209347 --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=3D209347&action= =3Dedit sysctl dev.em Hello, On my Lenovo X1 Carbon 6th Gen the network interface jumps constantly from = DOWN to UP when there is some traffic. Sometimes it completely freeze and only a reboot solves the problem: Nov 22 20:46:40 x1 kernel: em0: link state changed to DOWN Nov 22 20:46:43 x1 kernel: em0: link state changed to UP Nov 22 20:46:48 x1 dhclient[2805]: New IP Address (em0): 192.168.0.88 Nov 22 20:46:48 x1 dhclient[2806]: New Subnet Mask (em0): 255.255.255.0 Nov 22 20:46:48 x1 dhclient[2807]: New Broadcast Address (em0): 192.168.0.2= 55 Nov 22 20:46:48 x1 dhclient[2808]: New Routers (em0): 192.168.0.254 Nov 22 20:46:49 x1 kernel: em0: link state changed to DOWN Nov 22 20:46:52 x1 kernel: em0: link state changed to UP Nov 22 20:47:00 x1 dhclient[2829]: New IP Address (em0): 192.168.0.88 Nov 22 20:47:00 x1 dhclient[2830]: New Subnet Mask (em0): 255.255.255.0 Nov 22 20:47:00 x1 dhclient[2831]: New Broadcast Address (em0): 192.168.0.2= 55 Nov 22 20:47:00 x1 dhclient[2832]: New Routers (em0): 192.168.0.254 Nov 22 20:47:10 x1 kernel: em0: link state changed to DOWN Nov 22 20:47:12 x1 kernel: em0: link state changed to UP Nov 22 20:47:21 x1 dhclient[2856]: New IP Address (em0): 192.168.0.88 Nov 22 20:47:21 x1 dhclient[2857]: New Subnet Mask (em0): 255.255.255.0 Nov 22 20:47:21 x1 dhclient[2858]: New Broadcast Address (em0): 192.168.0.2= 55 Nov 22 20:47:21 x1 dhclient[2859]: New Routers (em0): 192.168.0.254 (...) This is with: em0@pci0:0:31:6: class=3D0x020000 card=3D0x225c17aa chip=3D0x15d8808= 6 rev=3D0x21 hdr=3D0x00 vendor =3D 'Intel Corporation' device =3D 'Ethernet Connection (4) I219-V' class =3D network subclass =3D ethernet Nothing special in the config: em0: flags=3D8843 metric 0 mtu 1500 =20=20=20=20=20=20=20 options=3D81249b ether 8c:16:45:ad:ef:df inet 192.168.0.88 netmask 0xffffff00 broadcast 192.168.0.255 media: Ethernet autoselect (1000baseT ) status: active nd6 options=3D29 I tried with intel-em-kmod-7.7.5 and it works as expected, so I guess some IFLIB problem .. --=20 You are receiving this mail because: You are the assignee for the bug.=