rtl8139 full/half duplex
Mon Jul 5 10:50:45 1999
On Mon, 5 Jul 1999, Stephan Henn wrote:
> I got a roblem with my rtl8139 (Kernel 2.2.5,rtl8139 v1.08)
> i tried to run the rtl8139 in fullduplex mode.
> Loading the rtl8139 as a module with the option full_duplex=1
> That make the network in one direction very slow an generates man error on
> the TX !
You can only use full duplex mode when talking to a switch, not a repeater.
The current rtl8139 driver interprets the full_duplex flag as causing the
driver to advertise only full duplex.
> The diagnostic tells me that the card only runs in halfduplex mode.
> So i have to change the parameter of my switchport.
Does your switch autonegotiate?
If so, have you tried it without a parameter?
> Does anyone have any idea what this could be caused by or how to resolve
There is one section in v1.08 where 'duplex_lock' wasn't considered.
Perhaps you are hitting this code.
Please try v1.08a of 7/5/99 (today) using your current configuration, and
send a report
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