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Date:      Tue, 06 Apr 2021 16:01:55 +0000
From:      bugzilla-noreply@freebsd.org
To:        virtualization@FreeBSD.org
Subject:   [Bug 254695] Hyper-V: Kernel Panic: Assertion in_epoch(net_epoch_preempt) failed at netinet/tcp_lro.c:915
Message-ID:  <bug-254695-27103-rBCozYKxbf@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-254695-27103@https.bugs.freebsd.org/bugzilla/>
References:  <bug-254695-27103@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D254695

--- Comment #2 from Gordon Bergling <gbe@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 def=
ault
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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