In message <418E49D3.6080004@comcast.net>Christopher Schultz writes
>> Fiddling around, I managed to get as much as 1800KB/sec.
>> 
>> In some benchmarks I did a month or so ago, I managed to get 8600KB/sec
>> using the original Linux installation on a Raq2.
>
>This is pretty frustrating. Apparent, Red Hat (or Cobalt) had this 
>problem fixed in that ancient Linux kernel. But, both NetBSD and Gentoo 
>linux (well, I suppose the kernel is the same no matter what distro it 
>is) have problems with these Tulip devices. What gives?

Yow, the Gentoo Linux distribution for Cobalt uses the NetBSD kernel!?
That's confusing.

>However, my understanding is that the driver goes belly-up after 
>a certain amount of traffic goes by (or is it only if you push it too 
>hard?). That's an actual problem, not just an inconvenience.

Looking at the kernel backtraces that I get when things go wrong,
it seems more like a MIPS-specific VM issue than a Tulip driver
issue.  I agree that it is a problem.

Kevin
kml@patheticgeek.net