[Bug 258133] toggling TSO fixes latency/slowness

From: <bugzilla-noreply_at_freebsd.org>
Date: Tue, 08 Feb 2022 01:46:19 +0000
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=258133

Daniel Ponte <amigan_at_gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |amigan_at_gmail.com

--- Comment #1 from Daniel Ponte <amigan_at_gmail.com> ---
I am not certain if my issue is related, but I am noticing issues with the same
setup (13-STABLE, igb(4) interface has vlan interfaces created, but issue is
present on default vlan). My machine is an nginx reverse proxy to a grafana
server (also a FreeBSD machine) inside. From boot, with TSO enabled, I get
weird timeouts and retransmits. Turning off or toggling TSO resolves them. I
have determined that the issue is not present with a 13-RELEASE kernel. As the
specific payloads causing my issue have secrets in them, I unfortunately cannot
post them here, but would be happy to work with someone privately.

13.0-STABLE FreeBSD 13.0-STABLE #1 stable/13-n249226-be7f063b764d: Thu Feb  3
13:05:25 EST 2022    
root_at_argon.h.c907:/usr/obj/usr/src/amd64.amd64/sys/FARWARL  amd64

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Received on Tue Feb 08 2022 - 01:46:19 UTC

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