From owner-freebsd-bugs@freebsd.org Tue Apr 2 14:16:53 2019 Return-Path: Delivered-To: freebsd-bugs@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 5AE7F156884C for ; Tue, 2 Apr 2019 14:16:53 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mailman.ysv.freebsd.org (mailman.ysv.freebsd.org [IPv6:2001:1900:2254:206a::50:5]) by mx1.freebsd.org (Postfix) with ESMTP id E306B8E96F for ; Tue, 2 Apr 2019 14:16:52 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: by mailman.ysv.freebsd.org (Postfix) id 9CDEC156884B; Tue, 2 Apr 2019 14:16:52 +0000 (UTC) Delivered-To: bugs@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 7847E156884A for ; Tue, 2 Apr 2019 14:16:52 +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 TLSv1.3 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.ysv.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 11CA18E96E for ; Tue, 2 Apr 2019 14:16:52 +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 48CEB4640 for ; Tue, 2 Apr 2019 14:16:51 +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 x32EGpHY079979 for ; Tue, 2 Apr 2019 14:16:51 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id x32EGpYa079978 for bugs@FreeBSD.org; Tue, 2 Apr 2019 14:16:51 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 236962] Realtek RTL8111/8168/8411 erratically drops network connection Date: Tue, 02 Apr 2019 14:16:50 +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: 12.0-RELEASE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: marcel@herrbischoff.com 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 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: Tue, 02 Apr 2019 14:16:53 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D236962 Bug ID: 236962 Summary: Realtek RTL8111/8168/8411 erratically drops network connection Product: Base System Version: 12.0-RELEASE Hardware: amd64 OS: Any Status: New Severity: Affects Some People Priority: --- Component: kern Assignee: bugs@FreeBSD.org Reporter: marcel@herrbischoff.com I have encountered this issue multiple times on at least two dedicated serv= ers, one running 12.0-RELEASE and one 11.2-RELEASE. Both have identical Realtek ethernet controllers. "pciconf -lv" on 11.2 machine: re0@pci0:2:0:0: class=3D0x020000 card=3D0x78161462 chip=3D0x816810ec rev=3D= 0x06 hdr=3D0x00 vendor =3D 'Realtek Semiconductor Co., Ltd.' device =3D 'RTL8111/8168/8411 PCI Express Gigabit Ethernet Controll= er' class =3D network subclass =3D ethernet "pciconf -lv" on 12.0 machine: re0@pci0:2:0:0: class=3D0x020000 card=3D0x78161462 chip=3D0x816810ec rev=3D= 0x06 hdr=3D0x00 vendor =3D 'Realtek Semiconductor Co., Ltd.' device =3D 'RTL8111/8168/8411 PCI Express Gigabit Ethernet Controll= er' class =3D network subclass =3D ethernet The machine is not reachable because it drops the network connection repeat= edly with the following output in "/var/log/messages": [...] Apr 2 10:29:01 cloud kernel: [5054487] re0: watchdog timeout Apr 2 10:29:01 cloud kernel: [5054487] re0: link state chang= ed to DOWN Apr 2 10:29:04 cloud kernel: [5054490] re0: link state chang= ed to UP Apr 2 10:33:31 cloud kernel: [5054757] re0: watchdog timeout Apr 2 10:33:31 cloud kernel: [5054757] re0: link state chang= ed to DOWN Apr 2 10:33:34 cloud kernel: [5054760] re0: link state chang= ed to UP Apr 2 10:38:01 cloud kernel: [5055027] re0: watchdog timeout Apr 2 10:38:01 cloud kernel: [5055027] re0: link state chang= ed to DOWN Apr 2 10:38:04 cloud kernel: [5055030] re0: link state chang= ed to UP Apr 2 10:42:35 cloud kernel: [5055301] re0: watchdog timeout Apr 2 10:42:35 cloud kernel: [5055301] re0: link state chang= ed to DOWN Apr 2 10:42:38 cloud kernel: [5055304] re0: link state chang= ed to UP [...] This repeats infinitely and renders the machine essentially unusable. There is no apparent pattern to this behavior like higher-than-usual load or bandwidth usage and both machines have no special configuration regarding network settings or the like, it's all out-of-the-box. --=20 You are receiving this mail because: You are the assignee for the bug.=