[Bug 256217] [tcp] High system load because of interrupts with RACK

In reply to: bugzilla-noreply_a_freebsd.org: "[Bug 256217] [tcp] High system load because of interrupts with RACK"
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From: <bugzilla-noreply_at_freebsd.org>
Date: Fri, 28 May 2021 13:03:44 UTC

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=256217

--- Comment #2 from Michael Tuexen <tuexen@freebsd.org> ---
Are you experiencing this in a VM? If yes, what the the virtualiser, what is
the host OS?

Do you experience the load also when using the kernel you described but:
* Don't have loaded the RACK stack at all.
* Have loaded the RACK stack, but not using it at all (so don't set
net.inet.tcp.functions_default=rack)

We had a report earlier, but could never reproduce it.

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