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Re: TCP performance regression in mac80211 triggered by the fq code

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Felix Fietkau <nbd@xxxxxxxx> writes:

> Please let me know if you have any ideas.

Two more things to try:

- Andrew McGregor mentioned that some versions of Iperf on OSX has a
  threading bug when running multiple streams against the same server
  instance. So try running two separate instances of iperf on the server
  side, or run netperf instead.

- It could be that HyStart is acting up. You could try disabling it
  (echo 0 > /sys/module/tcp_cubic/parameters/hystart) and see if that
  makes a difference.

-Toke
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