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Date:      Fri, 09 Jul 2021 12:17:34 +0000
From:      bugzilla-noreply@freebsd.org
To:        net@FreeBSD.org
Subject:   [Bug 257067] panic: Assertion in_epoch(net_epoch_preempt) failed at /usr/src/sys/net/if_vlan.c:1185
Message-ID:  <bug-257067-7501-4tjuAF9s9h@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-257067-7501@https.bugs.freebsd.org/bugzilla/>
References:  <bug-257067-7501@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D257067

--- Comment #2 from Niels Bakker <niels=3Dfreebsd@bakker.net> ---
Test methodology: Unplug cable carrying the PPPoE session from the NTU, plug
into a switch so link stays up, wait.

Observed behaviour pre patch: same panic as ng0 gets torn down
Observed behaviour with above patch applied: normal operation continues aft=
er
mpd tears down the link, and the PPPoE link comes back up as soon as the ca=
ble
is plugged back into the NTU.

Success! Thanks, Alexandr Fedorov!

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