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Date:      Mon, 19 Apr 2021 15:34:34 +0000
From:      bugzilla-noreply@freebsd.org
To:        virtualization@FreeBSD.org
Subject:   [Bug 254695] Hyper-V + TCP_BBR: Kernel Panic: Assertion in_epoch(net_epoch_preempt) failed at netinet/tcp_lro.c:915
Message-ID:  <bug-254695-27103-L4ujzm3Ewh@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 #10 from Wei Hu <weh@microsoft.com> ---
(In reply to Gordon Bergling from comment #9)
With tcp_bbr module loaded, have you ever successfully booted up the system
with NFS before?

The BBR code was introduced in commit 35c7bb340788f0ce9347b7066619d8afb31e2=
123
on Sept 24, 2019. I wonder if this problem existed from Day 1 of this commit
and it has only been tested on Hyper-V recently by you.

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