From nobody Wed May 26 19:27:12 2021 X-Original-To: bugs@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 687EDC7A7E8 for ; Wed, 26 May 2021 19:27:12 +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) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4Fr1DJ2NV9z4Xbh for ; Wed, 26 May 2021 19:27:12 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2610:1c1:1:606c::50:1d]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 3A62416932 for ; Wed, 26 May 2021 19:27:12 +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 14QJRC3s084087 for ; Wed, 26 May 2021 19:27:12 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 14QJRCcS084086 for bugs@FreeBSD.org; Wed, 26 May 2021 19:27:12 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 256175] Network interface sk0 is periodically switched DOWN, then UP without apparent reason, correlated with network activity Date: Wed, 26 May 2021 19:27:12 +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: 13.0-STABLE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: yuri@freebsd.org 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 List-Id: Bug reports List-Archive: https://lists.freebsd.org/archives/freebsd-bugs List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-bugs@freebsd.org MIME-Version: 1.0 X-ThisMailContainsUnwantedMimeParts: N https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D256175 Bug ID: 256175 Summary: Network interface sk0 is periodically switched DOWN, then UP without apparent reason, correlated with network activity Product: Base System Version: 13.0-STABLE Hardware: Any OS: Any Status: New Severity: Affects Only Me Priority: --- Component: kern Assignee: bugs@FreeBSD.org Reporter: yuri@freebsd.org My /var/log/messages file looks like this: May 26 12:06:34 yv kernel: sk0: link state changed to DOWN May 26 12:06:34 yv kernel: sk0: link state changed to UP May 26 12:06:44 yv kernel: sk0: link state changed to DOWN May 26 12:06:44 yv kernel: sk0: link state changed to UP May 26 12:07:34 yv kernel: sk0: link state changed to DOWN May 26 12:07:34 yv kernel: sk0: link state changed to UP May 26 12:07:44 yv kernel: sk0: link state changed to DOWN May 26 12:07:44 yv kernel: sk0: link state changed to UP May 26 12:08:24 yv kernel: sk0: link state changed to DOWN May 26 12:08:24 yv kernel: sk0: link state changed to UP May 26 12:08:34 yv kernel: sk0: link state changed to DOWN May 26 12:08:34 yv kernel: sk0: link state changed to UP May 26 12:09:34 yv kernel: sk0: link state changed to DOWN May 26 12:09:34 yv kernel: sk0: link state changed to UP May 26 12:09:54 yv kernel: sk0: link state changed to DOWN May 26 12:09:54 yv kernel: sk0: link state changed to UP May 26 12:10:24 yv kernel: sk0: link state changed to DOWN May 26 12:10:24 yv kernel: sk0: link state changed to UP May 26 12:12:14 yv kernel: sk0: link state changed to DOWN May 26 12:12:14 yv kernel: sk0: link state changed to UP May 26 12:12:24 yv kernel: sk0: link state changed to DOWN May 26 12:12:24 yv kernel: sk0: link state changed to UP May 26 12:12:34 yv kernel: sk0: link state changed to DOWN May 26 12:12:34 yv kernel: sk0: link state changed to UP May 26 12:12:54 yv kernel: sk0: link state changed to DOWN May 26 12:12:54 yv kernel: sk0: link state changed to UP May 26 12:13:54 yv kernel: sk0: link state changed to DOWN May 26 12:13:54 yv kernel: sk0: link state changed to UP May 26 12:14:14 yv kernel: sk0: link state changed to DOWN May 26 12:14:14 yv kernel: sk0: link state changed to UP May 26 12:14:24 yv kernel: sk0: link state changed to DOWN May 26 12:14:24 yv kernel: sk0: link state changed to UP May 26 12:14:34 yv kernel: sk0: link state changed to DOWN May 26 12:14:34 yv kernel: sk0: link state changed to UP May 26 12:15:04 yv kernel: sk0: link state changed to DOWN May 26 12:15:04 yv kernel: sk0: link state changed to UP This was happening in 12-STABLE, and now this happens in 13-STABLE. This happens more frequently when network activity is high. The network card is recognized as: > May 23 16:01:57 yv kernel: skc0: port 0= xe800-0xe8ff mem 0xfbefc000-0xfbefffff irq 17 at device 1.0 on pci7 > May 23 16:01:57 yv kernel: skc0: SK-9521 10/100/1000Base-T Adapter rev. (= 0x1) > May 23 16:01:57 yv kernel: sk0: on sk= c0 > May 23 16:01:57 yv kernel: sk0: Ethernet address: 00:0c:41:1a:a7:22 > May 23 16:01:57 yv kernel: miibus2: on sk0 > May 23 16:01:57 yv kernel: e1000phy2: PHY 0= on miibus2 > May 23 16:01:57 yv kernel: e1000phy2: none, 10baseT, 10baseT-FDX, 100bas= eTX, 100baseTX-FDX, 1000baseT, 1000baseT-master, 1000baseT-FDX, 1000baseT-F= DX-master, auto --=20 You are receiving this mail because: You are the assignee for the bug.=