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: > > > >>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. > >>> > >>When the interface wedges does it show the OACTIVE flag in ifconfig > >>output? > >>This is an important hint. > >> > >> > > > >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'. > >> > >> > > > >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 > the network interface?) > No dhclient and no other BPF peers that I'm aware of. - Christian -- Christian Brueffer chris_at_unixpages.org brueffer_at_FreeBSD.org GPG Key: http://people.freebsd.org/~brueffer/brueffer.key.asc GPG Fingerprint: A5C8 2099 19FF AACA F41B B29B 6C76 178C A0ED 982D
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