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Date:      Fri, 26 Sep 2025 12:47:15 -0600
From:      John Nielsen <lists@jnielsen.net>
To:        Ronald Klop <ronald-lists@klop.ws>
Cc:        Michael Tuexen <michael.tuexen@lurchi.franken.de>, np@freebsd.org, net@freebsd.org, virtualization@freebsd.org
Subject:   Re: Chelsio (cxgbe) VF on FreeBSD guest under KVM requires -rxcsum
Message-ID:  <C55B8932-0DA7-42F5-9D9D-78CB55A0B100@jnielsen.net>
In-Reply-To: <1500781860.3093.1758874136857@localhost>
References:  <1500781860.3093.1758874136857@localhost>

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> On Sep 26, 2025, at 2:09=E2=80=AFAM, Ronald Klop <ronald-lists@klop.ws> wr=
ote:
>=20
> This sounds very similar to the scenario that is fixed in 16-CURRENT and 1=
5 with delayed checksum in a virtual environment.
>=20
> These are some of the commits around this, but there are more commits invo=
lved.
> https://cgit.freebsd.org/src/commit/?id=3D39d4094173f9a49ff52f5f4408e4dbd5=
d6ef0409
> https://cgit.freebsd.org/src/commit/?id=3Dbcb298fa9e23c1192c5707086a67d3b3=
96186abc
>=20
> I also remember bug reports about this case, but don't have the link avail=
abie.

Thank your for the response! I plan to try updating to 15 soon but I=E2=80=99=
m not sure those commits are relevant. The first is about epair which I am n=
ot using and the second is for a bug with routing under KVM using virtio net=
working IIRC.

JN=

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<html><head><meta http-equiv=3D"content-type" content=3D"text/html; charset=3D=
utf-8"></head><body dir=3D"auto"><div dir=3D"ltr"></div><div dir=3D"ltr"><bl=
ockquote type=3D"cite">On Sep 26, 2025, at 2:09=E2=80=AFAM, Ronald Klop &lt;=
ronald-lists@klop.ws&gt; wrote:<br><br></blockquote></div><blockquote type=3D=
"cite"><div dir=3D"ltr">
This sounds very similar to the scenario that is fixed in 16-CURRENT and 15 w=
ith delayed checksum in a virtual environment.<br>
<br>
These are some of the commits around this, but there are more commits involv=
ed.<br>
<a href=3D"https://cgit.freebsd.org/src/commit/?id=3D39d4094173f9a49ff52f5f4=
408e4dbd5d6ef0409">https://cgit.freebsd.org/src/commit/?id=3D39d4094173f9a49=
ff52f5f4408e4dbd5d6ef0409</a><br>
<a href=3D"https://cgit.freebsd.org/src/commit/?id=3Dbcb298fa9e23c1192c57070=
86a67d3b396186abc">https://cgit.freebsd.org/src/commit/?id=3Dbcb298fa9e23c11=
92c5707086a67d3b396186abc</a><br>
<br>
I also remember bug reports about this case, but don't have the link availab=
ie.<br></div></blockquote><br><div>Thank your for the response! I plan to tr=
y updating to 15 soon but I=E2=80=99m not sure those commits are relevant. T=
he first is about epair which I am not using and the second is for a bug wit=
h routing under KVM using virtio networking IIRC.</div><div><br></div><div>J=
N</div></body></html>=

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