vt(4) performance on Hyper-V

2014-08-18 Thread Pavel Timofeev
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

P.S. vt(4) is a bit faster on VirtualBox though when I tried it last time.
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Re: vt(4) performance on Hyper-V

2014-08-18 Thread Pavel Timofeev
Wow, thank you! It helped.
Sorry for the noise, it's even written in man vt.

2014-08-18 12:25 GMT+04:00 Luigi Rizzo ri...@iet.unipi.it:



 On Mon, Aug 18, 2014 at 9:08 AM, Pavel Timofeev tim...@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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