vt(4) performance on Hyper-V

Luigi Rizzo rizzo at iet.unipi.it
Mon Aug 18 08:25:12 UTC 2014


On Mon, Aug 18, 2014 at 9:08 AM, Pavel Timofeev <timp87 at gmail.com> wrote:

> Hi!
> Just in case, just so you know.
> I've tried FreeBSD 10-STABLE r270125 with vt(4) on Hyper-V (Win Server
> 2012 DataCenter).
> Its performance is extremely bad (while syscons is ok).
> Here is video http://www.youtube.com/watch?v=62CIKCJ7bog
>
>
​i think you need to put the following in /boot/loader.conf
​
​     ​
hw.vga.textmode=1

​otherwise it is very slow even on bare metal.

cheers
luigi​



> P.S. vt(4) is a bit faster on VirtualBox though when I tried it last time.
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