em0 link fail

[Kurt Jaeger]

Hi!

> On June 1st, I was able to do my monthly laptop ZFS snap-shot/back-up
> (using "zfs snapshot -r zroot at 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 at opsec.eu            +49 171 3101372                    2 years to go !