[Bug 290773] vtnet: Severe performance regression since D51686

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=290773

--- Comment #6 from lg@efficientip.com ---
(In reply to Michael Tuexen from comment #5)
No nothing additional features used, no nat, no jail no ip forwarding, no
tunnel

The -txcsum was not intentional here but it is in my rc.conf, it some legacy
default config I used. For some interface I had to disabled the txcsum and it
stayed.
And indeed when I re-enabled it on the vtnet it is working fine.


Yes I have the review D52765 I rebuilt the my kernel from stable/14 the 28
October

14.3-STABLE FreeBSD 14.3-STABLE #442 stable/14-n272729-a93e1b731ae4-dirty: Tue
Oct 28 01:25:44 UTC 2025

When I discovered the issues I check the latest modification and rebuild the
kernel without some commit.

First I revert review D52684 but I still had the issues,
then I revert the review D52765 and I get back my normal behaviour.



Sorry I just see that I made a mistake in the title. I wanted to put D52765

If you need I am available to do some more test

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