Date: Fri, 09 Oct 2009 07:29:08 +0200 From: Ian FREISLICH <ianf@clue.co.za> To: pyunyh@gmail.com Cc: current@freebsd.org Subject: Re: alc(4) link autoselect problem Message-ID: <E1Mw82O-0006kF-PA@clue.co.za> In-Reply-To: <20091008170458.GC3843@michelle.cdnetworks.com> References: <20091008170458.GC3843@michelle.cdnetworks.com> <20091007180257.GA3843@michelle.cdnetworks.com> <E1MvPZq-000Fqu-Ti@clue.co.za> <E1MvqOT-0000Oo-7F@clue.co.za>
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Pyun YongHyeon wrote: > On Thu, Oct 08, 2009 at 12:38:45PM +0200, Ian FREISLICH wrote: > > wgsw-24010# sh interfaces status ethernet g14 > > Flow Link Back Mdix > > Port Type Duplex Speed Neg ctrl State Pressure Mode > > -------- ------------ ------ ----- -------- ---- ----------- -------- ---- --- > > g14 1G-Copper Full 100 Enabled Off Up Disabled Off > > > > Hmm, does your switch have an option to enable/disable downshifting > feature? If so, how about toggling the option? I'm not sure exactly what you mean. There's no configuration options that obviously match. > > > How about checking MIB statistics of controller? > > > (sysctl dev.alc.0.stats) > > > > This is after a reboot, but the link was up for a short while to > > do the above testing. rx.good_frames looks a bit high for "up 21 > > mins". > > > > dev.alc.0.stats.rx.good_frames: 3348588249 > ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ > > dev.alc.0.stats.rx.good_octets: 0 > ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ > > Yeah, that looks odd, it seemed controller received a lot of good > frames but none were meaningful packets so I guess there are link > establishment issues. I still have no clue but if I manage to find > more test case I will let you know. That number is bogus. It's currently incrementing by approximately 33435108 per second without a cable plugged in. Ian -- Ian Freislich
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