[3c509] 3c509B TCP overflow trouble

[Donald Becker]

On Mon, 22 Oct 2001, Marco Emilio Poleggi wrote:

> I noticed an anomalous behaviour of my 3c509B TCP ("combo") card: it
> gets stuck intermittently (can't receive nor transmit) for some
> minutes. This happens on both the connectors (UTP and BNC), and the
> log reports only this line:
>
>   kernel: _M_str_putnext: queue overflow: dropping a message
> 
> I tried to enlarge the /proc/sys/net/core/netdev_max_backlog, but nothing 
> changed (only the kernel messages disappered!).
> I compiled statically the module on a 2.4.5 kernel. I noticed the same
> trouble on a 2.2.16 kernel too.

Presumably this error message is from the 2.4 kernel.  Your problem
isn't with the 3c509 device driver, it's with the kernel.

What is the error message with 2.2.16?

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