[vortex] receive FIFO errors on vortex ethernet cards

[Donald Becker]

On Fri, 16 Aug 2002, Heflin, Roger A. wrote:

> Anyone know what receive FIFO errors mean?  
> 
> They don't seem to be causing major issues, but they do seem to be load
> related.   I get the errors both on vortex cards, and eepro cards, though they
> seem to have higher rates on the vortex cards (the vortex machines are
> faster machines).   I am getting on the order of 3-4 fifo errors a second under
> heavy network load.

If you are getting them on both NIC types, you are apparently running
out of PCI bandwidth, or are having a bus access problem.

> Are there any kernel or network driver parameters I can change to 
> decrease these errors?

This is usually caused by some other device on the PCI bus.  We must
know the system (chipset and motherboard) type, the other devices on the
bus, and what the other drivers are doing before we can venture a guess.

-- 
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