[Bug 254695] Hyper-V: Kernel Panic: Assertion in_epoch(net_epoch_preempt) failed at netinet/tcp_lro.c:915

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Tue Apr 6 16:01:56 UTC 2021


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

--- Comment #2 from Gordon Bergling <gbe at FreeBSD.org> ---
(In reply to Li-Wen Hsu from comment #1)

Its mainly the call chain from vmbus_chan_task() -> hn_chan_callback() which
leads me towards an bug in the Hyper-V implementation, since hn0 is the default
network interface on Hyper-V.

I got an old kernel from around march 19th booted and will examine the crash
dump as soon as I found some free time.

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