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Subject: Re: [gentoo-user] Re: Any way to get real text console without
killing X capability?
From: Paul Hartman <paul.hartman+gentoo@gmail.com>
To: gentoo-user@lists.gentoo.org
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On Thu, Feb 3, 2011 at 6:37 PM, Nikos Chantziaras <realnc@arcor.de> wrote:
> On 02/04/2011 02:05 AM, walt wrote:
>>
>> On 02/03/2011 02:11 PM, Nikos Chantziaras wrote:
>>>
>>> On 02/03/2011 08:07 AM, Walter Dnes wrote:
>>>>
>>>> Is there a way to have a real text console? I know that I can
>>>> have 2 X sessions on tty10 and tty11 with different resolutions, and
>>>> colour depths. Is there a way to set tty1..tty9 to 640x480 *IN TEXT
>>>> MODE*, so that lat1-?? fonts would look normal, without killing the
>>>> ability to have X run at 1920x1200?
>>>
>>> Note that the suggestion the others gave about disabling KMS is probabl=
y
>>> not what you need. Disabling KMS means that it will also be disabled fo=
r
>>> X11, not only for the framebuffer. As you can imagine this is a bad
>>> thing.
>>
>> I'm aware of KMS because of my experiments with the 'nouveau' driver, bu=
t
>> I still have no idea what KMS really does.
>>
>> In other words, I *cannot* imagine why disabling KMS is a bad thing, but=
I
>> would very much like to know :)
>
> For the radeon driver at least, disabling KMS means that you won't get DR=
I2
> in X11. =A0That means slower performance and tearing. =A0The non-KMS X dr=
iver is
> pretty much considered deprecated.
Anecdote: On my laptop, which has a Radeon Mobility 9700 (uses RV350
or RV360), I got 30fps in Sauerbraten using the old non-KMS radeon
driver, and only 15fps using the new KMS driver. Enabling gallium on
latest mesa improves that to about 18fps, but causes my computer to
crash after a few minutes...
Both of them are slower than the proprietary ati-drivers used to be,
but I stopped using those a long time ago (and they don't support my
card anymore anyway).