Date: Thu, 13 Mar 1997 07:40:36 -0800 From: David Greenman <dg@root.com> To: bag@sinbin.demos.su (Alex G. Bulushev) Cc: hackers@freebsd.org Subject: Re: Q about 100Mb ether cards Message-ID: <199703131540.HAA00220@X2.root.com> In-Reply-To: Your message of "Thu, 13 Mar 1997 16:18:27 %2B0300." <199703131318.QAA00365@sinbin.demos.su>
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>> I want to support full duplex in the fxp (Pro/100B) driver, but I haven't >> been able to get it to work. The Pro/100B is well supported; it's what I'm >> using in wcarchive and I haven't had any problems. It consumes about half >> the CPU time that the de driver does and has about the same level of >> performance (actually slightly better than the DEC chip). > >as we found for Intel EE pro/100 in fbsd2.2-G full duplex not supported ... >in half duplex mode speed up to 4 MByte/sec (via ftp fbsd<->solaris[sparc]) > >one problem: soft/hard reset of HUB lead to card freezing (driver?) >after reboot all ok ... >HUB: SynOptics 28115 Yes, this is a known bug in the "rev 1" version of the 82557 chip. The receiver goes dead whenever it gets certain types of garbage. It should be fixed in "rev 2" versions, but I haven't verified this. -DG David Greenman Core-team/Principal Architect, The FreeBSD Project
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