NFS client performance degradation when SMP enabled

[Rick Macklem]

Nope, it's an alc and the driver has very few changes between the old and
new kernel (a change in the DMA channel from 3 to 4, whatever that means?).

rick
________________________________________
From: Ryan Stone <rysto32 at gmail.com>
Sent: Wednesday, May 24, 2017 8:12:54 PM
To: Rick Macklem
Cc: freebsd-current at freebsd.org
Subject: Re: NFS client performance degradation when SMP enabled

What type of network interface do you have?  The Intel 1G (em and igb) were switched over to the "iflib" framework a few months ago and that could be the cause.