From owner-freebsd-current@freebsd.org Thu Nov 3 16:18:48 2016 Return-Path: Delivered-To: freebsd-current@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 5E106C29A64 for ; Thu, 3 Nov 2016 16:18:48 +0000 (UTC) (envelope-from ohartman@zedat.fu-berlin.de) Received: from outpost1.zedat.fu-berlin.de (outpost1.zedat.fu-berlin.de [130.133.4.66]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 08EED14E1 for ; Thu, 3 Nov 2016 16:18:47 +0000 (UTC) (envelope-from ohartman@zedat.fu-berlin.de) Received: from inpost2.zedat.fu-berlin.de ([130.133.4.69]) by outpost.zedat.fu-berlin.de (Exim 4.85) with esmtps (TLSv1.2:DHE-RSA-AES256-GCM-SHA384:256) (envelope-from ) id <1c2Kit-003Dwx-9U>; Thu, 03 Nov 2016 17:18:39 +0100 Received: from x4e34a0c5.dyn.telefonica.de ([78.52.160.197] helo=thor.walstatt.dynvpn.de) by inpost2.zedat.fu-berlin.de (Exim 4.85) with esmtpsa (TLSv1.2:AES256-GCM-SHA384:256) (envelope-from ) id <1c2Kis-001FoG-V0>; Thu, 03 Nov 2016 17:18:39 +0100 Date: Thu, 3 Nov 2016 17:18:37 +0100 From: "O. Hartmann" To: YongHyeon PYUN Cc: FreeBSD CURRENT Subject: Re: CURRENT: re(4) crashing system Message-ID: <20161103171837.6e7c203e@thor.walstatt.dynvpn.de> In-Reply-To: <20161031021222.GA1252@michelle.fasterthan.co.kr> References: <20161023132538.6bf55fb2@hermann> <20161024051359.GA1185@michelle.fasterthan.co.kr> <20161024140337.47af924e@freyja.zeit4.iv.bundesimmobilien.de> <20161025020538.GA1238@michelle.fasterthan.co.kr> <20161025070338.76ad6711@hermann> <20161027010004.GA1215@michelle.fasterthan.co.kr> <20161028212113.5c4a2ca2@hermann> <20161031021222.GA1252@michelle.fasterthan.co.kr> Organization: FU Berlin MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; boundary="Sig_/X2SRlTNKYPtyk6DnLhP4/8O"; protocol="application/pgp-signature" X-Originating-IP: 78.52.160.197 X-ZEDAT-Hint: A X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 03 Nov 2016 16:18:48 -0000 --Sig_/X2SRlTNKYPtyk6DnLhP4/8O Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Am Mon, 31 Oct 2016 11:12:22 +0900 YongHyeon PYUN schrieb: > On Fri, Oct 28, 2016 at 09:21:13PM +0200, Hartmann, O. wrote: > > On Thu, 27 Oct 2016 10:00:04 +0900 > > YongHyeon PYUN wrote: > > =20 > > > On Tue, Oct 25, 2016 at 07:03:38AM +0200, Hartmann, O. wrote: =20 > > > > On Tue, 25 Oct 2016 11:05:38 +0900 > > > > YongHyeon PYUN wrote: > > > > =20 > > >=20 > > > [...] > > > =20 > > > > > I'm not sure but it's likely the issue is related with EEE/Green > > > > > Ethernet handling. EEE is negotiated feature with link partner. If > > > > > you directly connect your laptop to non-EEE capable link partner > > > > > like other re(4) box without switches you may be able to tell > > > > > whether the issue is EEE/Green Ethernet related one or not. =20 > > > >=20 > > > > Me either since when I discovered a problem the first time with > > > > CURRENT, that was the Friday before last week's Friday, there was a > > > > unlucky coicidence: I got the new switch, FreeBSD introduced a > > > > serious bug and I changed the NICs. > > > >=20 > > > > The laptop, the last in the row of re(4) equipted systems on which I > > > > use the Realtek NIC, does well now with Green IT technology, but > > > > crashes on plugging/unplugging - not on each event, but at least in > > > > one of ten. =20 > > >=20 > > > Hmm, it seems you know how to trigger the issue. When you unplug > > > UTP cable was there active network traffic on re(4) device? > > > It would be helpful to know which event triggers the crash(e.g. > > > unplugging or plugging). And would you show me backtrace of panic? > > > =20 > > > > I guess the Green IT issue is more a unlucky guess of mine and went > > > > hand in hand with the problem I face with CURRENT right now on some > > > > older, Non UEFI machines. > > > > =20 > > >=20 > > > Ok. > > >=20 > > > [...] =20 > > > >=20 > > > > As requested the informations about re0 and rgephy0 on the laptop > > > > (Lenovo E540)=20 > > > >=20 > > > > [...] > > > >=20 > > > > rgephy0: PHY 1 on miibus0 > > > > rgephy0: none, 10baseT, 10baseT-FDX, 10baseT-FDX-flow, 100baseTX, > > > > 100baseTX-FDX, 100baseTX-FDX-flow, 1000baseT-FDX, > > > > 1000baseT-FDX-master, 1000baseT-FDX-flow, > > > > 1000baseT-FDX-flow-master, auto, auto-flow > > > >=20 > > > > re0: > > > > port 0x3000-0x30ff mem 0xf0d04000-0xf0d04fff,0xf0d00000-0xf0d03fff > > > > at device 0.0 on pci2 re0: Using 1 MSI-X message re0: ASPM disabled > > > > re0: Chip rev. 0x50800000 > > > > re0: MAC rev. 0x00100000 =20 > > >=20 > > > This looks like 8168GU controller. > > >=20 > > > [...] > > > =20 > > > > I use options netmap in kernel config, but the problem is also > > > > present without this option - just for the record. > > > > =20 > > >=20 > > > Yup, netmap(4) has nothing to do with the crash. > > >=20 > > > Thanks. =20 > >=20 > > Attached, you'll find the backtrace of the crash. This time it was > > really easy - just one pull of the LAN cabling - and we are happy :-/ > >=20 > > Please let me know if you need something else. I will return to normal > > operations (disabling debugging) due to CURRENT is very unstable at the > > moment on other hosts beyond r307157. > > =20 >=20 > It seems the attachment was stripped. [...] Sorry for the late reply. Indeed, someone forgot to append the dump/core info and this someone seems = to be me. I have severe time constraints and I will prepare another crash/dump on thi= s weekend with a most recent CURRENT. My apologizes for this, kind regards, Oliver --Sig_/X2SRlTNKYPtyk6DnLhP4/8O Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iQEcBAEBCAAGBQJYG2NdAAoJEOgBcD7A/5N8T80IALWNvAHC6JP69k04HHP5kI7o kJIQ3WtZCsC/AeMaLL6LThm8gsWreTC5JGtypbxGE5Gk6uNMsRJGdwvPmg099Etg TfUfxUtpSkCcet1HaAUkD9S0v6i/LqE3Gwq3rpPvTZ1DfJ2QK/H/JlkKrMQe4hB7 MeWEFh/f8f9t3j1d1RyHx/zE3l5UrPy3hi5jikvBcFEaaqcs8ImV2YKRquTvoKe0 1FNifnZ3+gG2Oc/kcpYrSGhxGKenQD+aHfZ/4tBFLY2QW3hNAveX2tWCi/jb+5CN /nDzjo01fvkgURluERGGnrO7JE039d5nkft6FUL9DkvLcRjDt4T9KBuGp0UWFH0= =QOlB -----END PGP SIGNATURE----- --Sig_/X2SRlTNKYPtyk6DnLhP4/8O--