Date: Sat, 28 Apr 2001 10:40:35 +0200 From: "Munish Chopra" <messiah_man@hotmail.com> To: grog@lemis.com Cc: freebsd-questions@freebsd.org Subject: Re: Realtek 8139 NIC and IRQ problem. Message-ID: <F59pD6xURPrSzppAdzA00007c67@hotmail.com>
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Bill did actually get documentation from RealTek (though he said it was pretty horrible). As for what issues the RealTek 8139 might have, who knows? I haven't really put mine through much rough testing on a LAN, but I have the chance today... Cheers, Munish >From: Greg Lehey <grog@lemis.com> >To: Munish Chopra <messiah_man@hotmail.com> >CC: freebsd-questions@freebsd.org >Subject: Re: Realtek 8139 NIC and IRQ problem. >Date: Sat, 28 Apr 2001 11:36:39 +0930 > >On Friday, 27 April 2001 at 8:55:52 +0200, Munish Chopra wrote: > >> I wonder how good our RealTek driver is. > > > > It's written by Bill Paul, who is (as far is I know and have heard) >actually > > more than 'just decent' at writing drivers. The driver seems to work >fine > > too, but the card just screws things up every chance it gets. > >Bill's a good programmer, no doubt. But he can't outguess the >manufacturers if he doesn't get the documentation he needs. For >example, I had a case recently with an el cheapo card which had >slightly different specs from others of its ilk: > >dc0: <Macronix 98715AEC-C 10/100BaseTX> port 0xc400-0xc4ff mem >0xeb000000-0xeb0000ff irq 3 at device 9.0 on pci0 >dc0: Ethernet address: 00:80:c6:f9:d3:fa > >The symptoms were that the card would appear to go to sleep, and you >couldn't contact the machine. If you were on the machine, however, >things would work a while and then freeze up again. It turned out >that this card had a subtle difference in the multicast hash table: it >was only 128 bits instead of 512. This stopped it receiving broadcast >messages, such as ARP requests. Bill added a fix for it, and we have >seen no problems since. It's quite possible that the RealTek driver >has similar issues. > >Greg _________________________________________________________________________ Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail.com. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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