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Date:      Mon, 28 Mar 2016 14:44:19 +0200
From:      Dimitry Andric <dim@FreeBSD.org>
To:        Sepherosa Ziehau <sephe@FreeBSD.org>
Cc:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   Re: svn commit: r297334 - head/sys/dev/vt/hw/vga
Message-ID:  <4DFDE838-6C66-4C61-A7D8-A8A78BBFD9A7@FreeBSD.org>
In-Reply-To: <201603280736.u2S7as7a069198@repo.freebsd.org>
References:  <201603280736.u2S7as7a069198@repo.freebsd.org>

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On 28 Mar 2016, at 09:36, Sepherosa Ziehau <sephe@FreeBSD.org> wrote:
> 
> Author: sephe
> Date: Mon Mar 28 07:36:54 2016
> New Revision: 297334
> URL: https://svnweb.freebsd.org/changeset/base/297334
> 
> Log:
>  vt: Use textmode when we're running on hypervisors
> 
>  The graphic mode is noticeably slow on hypervisors, especially
>  on Hyper-V (1 second to each line).
> 
>  Submitted by:	Dexuan Cui <decui microsoft com>
>  Reviewed by:	kib, sephe, royger (early loader version)
>  MFC after:	1 week
>  Sponsored by:	Microsoft OSTC
>  Differential Revision:	https://reviews.freebsd.org/D5739

Ah yes, this is very nice, thanks.  The graphical console was also
*extremely* slow on VMware guests.  It could take 15 minutes to reach
the login prompt!

That said, it would be still be interesting to see if it is possible to
speed up the graphical console somehow.  The Linux kernel can also use
a graphical console, but it isn't nearly as slow as that of FreeBSD...

-Dimitry


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