Date: Wed, 23 Feb 2005 21:30:54 -0600 From: Dan Nelson <dnelson@allantgroup.com> To: Jon Noack <noackjr@alumni.rice.edu> Cc: Mario Sergio Fujikawa Ferreira <lioux@freebsd.org> Subject: Re: FreeBSD 5-STABLE, MSI KT880 , fxp and SCB timeouts Message-ID: <20050224033053.GN253@dan.emsphone.com> In-Reply-To: <421D46E0.6090001@alumni.rice.edu> References: <20050224020702.51073.qmail@exxodus.fedaykin.here> <421D46E0.6090001@alumni.rice.edu>
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In the last episode (Feb 23), Jon Noack said: > On 02/23/05 20:06, Mario Sergio Fujikawa Ferreira wrote: > > My last motherboard burned down to ashes so I got myself a brand > >(after 2 weeks) new MSI KT880. I am getting some weird results. > > > > 1) fxp intel etherxpress 10/100 network cards report SCB timeout > >as well as achieving ridiculously low transfer rates of 600 > >Bytes/second. Well, I got 10 KBytes/sec once but that does not count > >since a side box gets more than 50KB/s ;-) on the same hub. Oh, I've > >already switched hub ports, rj45 cables and fxp cards. > > Duplex mismatch? You say "hub" and not "switch", so you might need > to force the card to half-duplex. Oddly enough, the fxp(4) man page > doesn't include half-duplex as a media option. Surely it supports > it... Autodetection on ethernet detects both speed and duplex, and full-duplex and half-duplex are either/or, so if you force a speed and don't force full-duplex, you get half-duplex by default. -- Dan Nelson dnelson@allantgroup.com
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