[vortex] 3C900B Serious Problems

Donald Becker becker@scyld.com
Tue, 2 Jan 2001 00:25:45 -0500 (EST)


On Mon, 1 Jan 2001, Shawn Starr wrote:

> Subject: [vortex] 3C900B Serious Problems
>           RX packets:1712 errors:244 dropped:0 overruns:0 frame:340
>           TX packets:1854 errors:0 dropped:0 overruns:0 carrier:0
..
> the 3c59x drivers do not seem to want to detect my card properly. It is
> not:
> 
> eth0: 3Com PCI 3c900 Cyclone 10Mbps TPO at 0xe880,  00:50:da:80:b5:74,
> IRQ 9 <-- IS NOT right
> 
> This card is a 3C900B PCI EtherLink 10 PCI Adapter:
> 3c900B-TPO    EtherLink 10 PCI TPO (I think `Hurricane' is the
> codename).

I'll check the text string -- the reported name is not a problem.

> Does the current 2.2/2.4 driver that comes with Linux support this
> card? If so, why am I getting these errors?
> 
> I have tried using:
> 
> insmod options=0x200 full_duplex=0 (off)

This is why -- you are forcing full duplex with the 0x200 setting.

( Note: Setting full_duplex=0 has no effect, the default is half duplex.
The 0x200 will always set forced full duplex. )

Donald Becker				becker@scyld.com
Scyld Computing Corporation		http://www.scyld.com
410 Severn Ave. Suite 210		Second Generation Beowulf Clusters
Annapolis MD 21403			410-990-9993