Date: Sun, 17 Sep 2006 13:48:32 +0200 From: Christian Brueffer <brueffer@FreeBSD.org> To: "Christian S.J. Peron" <csjp@FreeBSD.org> Cc: Andre Oppermann <andre@freebsd.org>, current@freebsd.org Subject: Re: em(4) interface wedges Message-ID: <20060917114831.GC1918@haakonia.hitnet.RWTH-Aachen.DE> In-Reply-To: <450C3487.6050104@FreeBSD.org> References: <20060915165351.GC2020@haakonia.hitnet.RWTH-Aachen.DE> <450ADE55.7090509@samsco.org> <450AEC50.2060404@freebsd.org> <20060915191008.GE2020@haakonia.hitnet.RWTH-Aachen.DE> <450C3487.6050104@FreeBSD.org>
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--R+My9LyyhiUvIEro Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sat, Sep 16, 2006 at 12:29:43PM -0500, Christian S.J. Peron wrote: > Christian Brueffer wrote: > >On Fri, Sep 15, 2006 at 08:09:20PM +0200, Andre Oppermann wrote: > > =20 > >>Scott Long wrote: > >> =20 > >>>Christian Brueffer wrote: > >>> > >>> =20 > >>>>Hi, > >>>> > >>>>with the latest em(4) code in current (sans the printf/device_printf > >>>>change), my interface wedges every few hours. It can be resurrected > >>>>by bringing it down and up again. > >>>> > >>>>The device in question is a E1000_DEV_ID_82540EP_LP built into my > >>>>Thinkpad. > >>>> > >>>>Anyone else seeing this? > >>>> > >>>>- Christian > >>>> > >>>> =20 > >>>Yes. It's also almost guaranteed to wedge the first time I do a remote > >>>CVS operation after boot. > >>> =20 > >>When the interface wedges does it show the OACTIVE flag in ifconfig=20 > >>output? > >>This is an important hint. > >> > >> =20 > > > >Yeah, OACTIVE is set. > > > > =20 > >>If you are running at 100Mbit there seems to be bug in the em(4) harware > >>with TSO. Try disabling TSO on it with 'ifconfig em0 -tso'. > >> > >> =20 > > > >Correct, I'm using it at 100Mbit and disabling TSO works around the > >issue. > > Are you using dhclient (or do you have any other BPF peers attached to=20 > the network interface?) >=20 No dhclient and no other BPF peers that I'm aware of. - Christian --=20 Christian Brueffer chris@unixpages.org brueffer@FreeBSD.org GPG Key: http://people.freebsd.org/~brueffer/brueffer.key.asc GPG Fingerprint: A5C8 2099 19FF AACA F41B B29B 6C76 178C A0ED 982D --R+My9LyyhiUvIEro Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.5 (FreeBSD) iD8DBQFFDTYPbHYXjKDtmC0RApHIAKClXIRmT1T2BomcMOTPFVIwjKCmbACglmqK JdHhDAgiF6BxBRRjuy4RVc8= =w/lH -----END PGP SIGNATURE----- --R+My9LyyhiUvIEro--
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