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. - 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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