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Date:      Wed, 08 Sep 2021 14:16:03 +0000
From:      bugzilla-noreply@freebsd.org
To:        bugs@FreeBSD.org
Subject:   [Bug 251347] NFS hangs on client side when mounted from outside in Jail Tree (BROKEN NFS SERVER OR MIDDLEWARE)
Message-ID:  <bug-251347-227-Z9NrsnHeYq@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-251347-227@https.bugs.freebsd.org/bugzilla/>
References:  <bug-251347-227@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D251347

--- Comment #18 from Rick Macklem <rmacklem@FreeBSD.org> ---
Yes, I am aware that NFS mounts do not work well
with VNET jails. Unless someone conversant with VNET
jails comes up with a patch, it won't be fixed anytime soon.

I think one problem (probably not the only one) happens
when the NFS client needs to re-connect to the server.
The code needs to do a soconnect() and assorted other
calls. These are only allowed if in the correct VNET jail,
but the NFS client code does not know what that is.
--> reconnect fails and mountpoint is dead.

However, I do not know how using an NFS mount with a
VNET jail will produce the "..BROKEN MIDDLEWARE.."
message.

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