On Thu, 2006-01-19 at 08:19 +0100, kus Kusche Klaus wrote:
> Last time I tested (around 2.6.12), eepro100 worked much better
> in -rt kernels w.r.t. latencies than e100:
>
> e100 caused a periodic latency of about 500 microseconds
> exactly every 2 seconds, no matter what the load on the interface
> was (i.e. even on an idle interface).
>
> eepro100 did not show any latencies that long, it worked much
> smoother w.r.t. latencies.
>
> Of course I would prefer to have e100 fixed over keeping eepro100
> around forever, but the last time I checked, it still wasn't fixed.
Please provide latency traces to illustrate the problematic code path.
It sounds like you have known about this issue for a while, were you
waiting for it to fix itself?
Lee
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