vr(4) troubles for AMD Geode CS5536 chipset

Adrian Chadd adrian at freebsd.org
Thu Sep 6 17:00:46 UTC 2012


On 5 September 2012 00:25, Eugene Grosbein <egrosbein at rdtc.ru> wrote:
> 05.09.2012 14:03, Adrian Chadd пишет:
>> waaaaaaaaait.
>>
>> Did you say that removing preemption from your kernel fixed your
>> performance issues?
>
> Yes. Also, it seems my original vr(4) troubles (RX path problem)
> have gone away since I run the kernel without preemption.

Ok. Can you please compile up both a preempt and non-preempt 4BSD
kernel with KTR enabled?

That way we can capture some schedgraph traces and see what the heck
is going on.

THanks,


Adrian


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