Date: Fri, 15 Sep 2006 21:10:09 +0200 From: Christian Brueffer <brueffer@FreeBSD.org> To: Andre Oppermann <andre@freebsd.org> Cc: current@freebsd.org Subject: Re: em(4) interface wedges Message-ID: <20060915191008.GE2020@haakonia.hitnet.RWTH-Aachen.DE> In-Reply-To: <450AEC50.2060404@freebsd.org> References: <20060915165351.GC2020@haakonia.hitnet.RWTH-Aachen.DE> <450ADE55.7090509@samsco.org> <450AEC50.2060404@freebsd.org>
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--4f28nU6agdXSinmL Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Sep 15, 2006 at 08:09:20PM +0200, Andre Oppermann wrote: > Scott Long wrote: > >Christian Brueffer wrote: > > > >>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 > >> > > > >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 outpu= t? > This is an important hint. >=20 Yeah, OACTIVE is set. > 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. - 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 --4f28nU6agdXSinmL Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.5 (FreeBSD) iD8DBQFFCvqQbHYXjKDtmC0RAuLKAKC+g0SkJmvHwkUYvaejoOowDhkAswCgiKyl rKprCTXoGNeqXgjQmA6uevY= =vPlw -----END PGP SIGNATURE----- --4f28nU6agdXSinmL--
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