[realtek] Question: Rx Ring Buffers in the rtl8139 module

Donald Becker becker@scyld.com
Fri Aug 30 14:14:01 2002

On Fri, 30 Aug 2002 joerg.beyer@email.de wrote:

> 8139too gives in the order of 10.000 errors per sec under load, while
> rtl8139 is better and has (only) a few 100 errors per sec.
> Is there anything I can do about that?

Turn on flow control, if you have a flow control switch.
Tune the PCI parameters.

> Any debugging I can do?

What are the errors?  Dropped packets?  Or CRC errors?

> It's an onboard NIC on a laptop.

Which might have a very slow PCI system or processor..

Donald Becker				becker@scyld.com
Scyld Computing Corporation		http://www.scyld.com
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