[Bug 254695] Hyper-V + TCP_BBR: Kernel Panic: Assertion in_epoch(net_epoch_preempt) failed at netinet/tcp_lro.c:1180

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=254695

--- Comment #35 from Michael Tuexen <tuexen@freebsd.org> ---
We need something along the lines of your proposed fix. However, the number of
entries/exist of the epoch should be kept minimal. So we might want to have the
author of the driver to have a look.

But first we need to get the contracts of the TCP LRO code nailed down.
Especially in the case when the HPTS is used. Let me come up with a patch for
that first to get the contract fixed. Then we can propose a functional, maybe
performance wise not optimal fix for the MS specific drive. Hopefully some
people with expertise on the drive can help out.

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