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From: Dejan Lesjak <dejan.lesjak@ijs.si>
To: Don Lewis <truckman@FreeBSD.org>
Date: Sun, 4 Jan 2004 11:15:29 +0100
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cc: ryans@gamersimpact.com
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Subject: Re: 5.2-RC oerrs and collisions on dc0
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On Sunday 04 of January 2004 09:59, Don Lewis wrote:
> When errors occur in full duplex mode, you might want to print the value
> of
> 	CSR_READ_4(sc, DC_NETCFG)
> to verify that the full duplex bit is actually set.

I put this right after
                if (txstat & DC_TXSTAT_ERRSUM) {
                        ifp->if_oerrors++;

it gives me 0x338c2203 and DC_NETCFG_FULLDUPLEX is 0x00000200, so as I 
understand full-duplex is set. Also none of previous two suggestions made 
difference. I also found this documentation:
ftp://download.intel.com/design/network/manuals/27807401.pdf
if it helps.
Thanks for the suggestions, i'll try fiddling some more with this a bit later 
(must get some sleep).

Dejan