5.3-STABLE/alpha: re(4) slowdown

Christian Weisgerber naddy at mips.inka.de
Sun Dec 26 08:48:06 PST 2004


Scott Long:

> I suspect that the buffers are being bounced all over the place in the
> if_re driver.  Can you send me the output of 'sysctl hw.busdma' after
> the system has been under load?

sysctl: unknown oid 'hw.busdma'

Strangely enough, I'm running the affected Dec 22 kernel at the
moment, but the problem has disappeared.  netperf shows the normal
~145Mbit/s for TCP_STREAM.

-- 
Christian "naddy" Weisgerber                          naddy at mips.inka.de


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