[Bug 268910] ixgbe(4): rxcsum register setting can cause TCP connection hangs

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From: <bugzilla-noreply_at_freebsd.org>
Date: Tue, 24 Jan 2023 12:20:23 UTC

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=268910

--- Comment #3 from Przemysław Lewandowski <przemyslawx.lewandowski@intel.com> ---
I cannot reproduce this issue. I set dev.ix.0.iflib.override_nrxqs=1 and
dev.ix.0.iflib.override_ntxqs=1 in /boot/loader.conf and disabled all offloads:
ifconfig ix0 -rxcsum -txcsum -rxcsum6 -txcsum6 -tso -lro -vlanmtu -vlanhwcsum
-vlanhwtag -vlanhwfilter -vlanhwtso -vxlanhwcsum -vxlanhwtso. SSH and nc
traffic works properly.

Could you provide exact steps to reproduce and observe issue? Maybe I missed
something.

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