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Date:      Wed, 2 Feb 2022 11:30:54 +1300
From:      Matt Magoffin <matt@msqr.us>
To:        "freebsd-questions@freebsd.org" <freebsd-questions@FreeBSD.org>
Subject:   ena0: Cannot get hash function - after upgrade to 12.3
Message-ID:  <44E45176-8AE5-46E0-BE2E-E20F70D35C1F@msqr.us>

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Hello,

I recently upgraded some EC2 instances from 12.2-RELEASE to 12.3-RELEASE =
and now the kernel log has several hundred log messages each day like =
this:

ena0: Cannot get hash function

The system seems to be running OK, and networking is working AFAIK, but =
I wondered if I could fix/suppress those messages. I could not find =
references to this message via online searches, but I do see it in the =
source:

=
https://github.com/freebsd/freebsd-src/blob/8a5b4859c7fcefac7db611ef38450e=
f0a66d68a8/sys/dev/ena/ena_sysctl.c#L761-L764

I see there is mention of a dev.ena.X.rss.key sysctl that I wondered if =
was relevant:

=
https://github.com/freebsd/freebsd-src/blob/8a5b4859c7fcefac7db611ef38450e=
f0a66d68a8/sys/dev/ena/ena_sysctl.c#L455-L458

However the only sysctl values I see are:

# sysctl -a | grep 'dev.ena.0.rss'
dev.ena.0.rss.indir_table_size: 128
dev.ena.0.rss.indir_table: 0:0 1:1 =E2=80=A6

Any help appreciated,
Matt=



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