Date: Thu, 30 Apr 2009 15:19:32 +0200 From: Miki <miki.bsd@gmail.com> To: "M. Warner Losh" <imp@bsdimp.com> Cc: freebsd-net@freebsd.org Subject: Re: [ed] link state constantly going down and up Message-ID: <261c29700904300619l3f2e2d68s580f95a3c673fddf@mail.gmail.com> In-Reply-To: <20090430.013610.439575052.imp@bsdimp.com> References: <261c29700904300004k4bc02635m2729a0a54c09c135@mail.gmail.com> <20090430.011738.1617886960.imp@bsdimp.com> <261c29700904300029s6757d39ei86fbf69ef816fa48@mail.gmail.com> <20090430.013610.439575052.imp@bsdimp.com>
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2009/4/30 M. Warner Losh <imp@bsdimp.com> > In message: <261c29700904300029s6757d39ei86fbf69ef816fa48@mail.gmail.com> > Miki <miki.bsd@gmail.com> writes: > : 2009/4/30 M. Warner Losh <imp@bsdimp.com> > : > : > In message: < > 261c29700904300004k4bc02635m2729a0a54c09c135@mail.gmail.com> > : > Miki <miki.bsd@gmail.com> writes: > : > : 2009/4/29 M. Warner Losh <imp@bsdimp.com> > : > : > : > : > : I have a problem with a D-Link DFE-670TXD which is handled by > if_ed : > : > : > : the link state is constantly going down and up : > : > : > : Apr 28 14:21:33 iut-mir-o kernel: ed0: link state changed to DOWN > : > : > : Apr 28 14:21:35 iut-mir-o kernel: ed0: link state changed to UP > : > : > ... > : > : > : the problem appear with the following commit : > : > : > : SVN rev 190643 on 2009-04-02 16:58:45Z by imp (CVS rev 1.126) > : > : > : I do not see any link state change if I revert the commit. > : > : > > : > : > Doh! > : > : > > : > : > I needed to force auto negotiation for other cards to work. Let me > : > : > see if I can dig up the DFE-670TXD and go from there... Are you > also > : > : > seeing really horrible network performance as well? Do you see > this > : > : > only under load, or just at idle? > : > : > > : > : > Warner > : > : > > : > : > : > : Yes network performance suffers from this. The problem only appears > under > : > : load > : > : but not when idle. > : > > : > Thanks. I'll try to reproduce it here. I noticed this on one of the > : > cards, but had trouble reproducing it, but I'll try harder. > : > > : > Warner > : > > : > : I can easily reproduce this by downloading an ISO image via ftp > : and doing a checkout of a subversion repository > > OK. I'll try that. Do you know if you are able to trigger it with > ttcp too? That's where I saw the odd symptoms before... > > Warner > No I'm unable to trigger it with ttcp.
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