Date: Wed, 23 Feb 2005 21:34:03 -0600 From: Jon Noack <noackjr@alumni.rice.edu> To: Dan Nelson <dnelson@allantgroup.com> Cc: Mario Sergio Fujikawa Ferreira <lioux@freebsd.org> Subject: Re: FreeBSD 5-STABLE, MSI KT880 , fxp and SCB timeouts Message-ID: <421D4B2B.9020702@alumni.rice.edu> In-Reply-To: <20050224033053.GN253@dan.emsphone.com> References: <20050224020702.51073.qmail@exxodus.fedaykin.here> <421D46E0.6090001@alumni.rice.edu> <20050224033053.GN253@dan.emsphone.com>
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On 02/23/05 21:30, Dan Nelson wrote: > 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. OK -- makes sense. I run em and fxp cards and noted that em(4) listed both while fxp(4) listed only full-duplex. Confusing... Jon
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