Throughput Issues

[Jed Reynolds]

Aaron // LT wrote:
> This could be the case, however the problem only presents itself when 
> hitting 300mbit/s, so I doubt its faulty hardware (although I could be 
> wrong).
>
> Could this be a limitation of the PCI bus?

Possibly something on your bus. If your cards are PCI-X or 
onboard-PCI-X, you should be getting higher.

Sounds like the SCSI bus limit to me, but I bet it's not.
http://en.wikipedia.org/wiki/List_of_device_bandwidths


Looking at some of these google results, you might have something 
kernel+hardware related:
http://www.google.com/search?q=e1000_clean_tx_irq%3A+Detected+Tx+Unit+Hang

Jed