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Date:      Sun, 11 Apr 2021 13:05:58 +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-MzwfWdwu98@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 #8 from Wei Hu <weh@microsoft.com> ---
(In reply to Gordon Bergling from comment #7)
I tried to reproduce in my test env without luck. I created two FreeBSD gue=
sts
on same Windows Server 2019 host, one being the NFS server and the other the
test client with latest commit.=20

I tried two builds on the client:
1. a091c353235e0ee97d2531e80d9d64e1648350f4 on April 11
2. b6fd00791f2b9690b0a5d8670fc03f74eda96da2 on March 22

Build world and build kernel with NFS share all succeeded on the client. I =
may
not have the right environment as you do. Here is how my test env looks:

- Hyper-V Version: 10.0.17763 [SP1]
- NFS mount not at boot time. I tried automount during boot but it keeps
complaining the file system is not clean, couldn't find fsck_nfs to check a=
nd
kick me into single user mode. I think that's something with my configurati=
on
however irrelevant to this bug.
- Both nfs server and client are running DEBUG build.
- Both nfs server and client are Gen-1 VMs.=20

It will be really helpful if you can bisect in your env.

--=20
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