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Date: Tue, 3 Jul 2018 20:06:39 +0200
From: Kurt Jaeger <lists@opsec.eu>
To: Michael Butler <imb@protected-networks.net>
Cc: freebsd-current <freebsd-current@freebsd.org>
Subject: Re: em0 link fail
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Hi!

> On June 1st, I was able to do my monthly laptop ZFS snap-shot/back-up
> (using "zfs snapshot -r zroot@backup; zfs send -R >nfs-filesys"). Now I
> can't without the em0 interface stalling :-(

I had a similar case on a current r334918 and saw this in the kern syslog:

  Jun 30 15:40:34 fc kernel: em0: TX(0) desc avail = 1024, pidx = 0

A reboot was necessary to get this fixed.

-- 
pi@opsec.eu            +49 171 3101372                    2 years to go !