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<div class="moz-cite-prefix">On 10/15/2013 11:00 AM, Alex Carver
wrote:<br>
</div>
<blockquote cite="mid:525D588B.2030600@acarver.net" type="cite">
<pre wrap="">I don't mind the mode switch as long as it would switch back when
exiting X11 but it doesn't seem to do that. Nouveau does not work at
all with the GeForces. Another machine similar to this one but with a
slightly newer nVidia card actually works fine and it's a double headed
system (though the monitors are mirrored in console mode). The
troublesome machine is only single-head, it just can't seem to switch
back to the console resolution after X11 exits. As I mentioned to JD I
may just end up disabling the console frame buffer entirely. I'm not
going to be at console much but having the frame buffer makes reading
all the boot messages a bit easier with the smaller font.
</pre>
</blockquote>
<br>
The big "tell" with KMS is that while your console screens will be
mirrors of each other, they will have different (native)
resolutions, unless the monitors have the same native resolution.
IOW, if you have one that works at 1900x1080 and another one that
works at 1280x768, the console will be 1280x768 and there will be
borders around it to the right and bottom on the larger (resolution)
display.<br>
<br>
Otherwise, both monitors will be in the same mode at the VC.<br>
<br>
Another reason that KMS is great is that there is "no" userspace
display driver. If the kernel manages all of the interactions
between the graphics hardware and application(s) using it, the
graphics card won't wind up in an undefined state.<br>
<br>
That said, I seem to recall that there are utilities that help.
Sadly, though, it's been several years since I used any of them and
I don't know if they work any more, and I can't remember their
names.<br>
<br>
There was at one point a command line program that you could call to
ask the kernel to save the state of the graphics hardware, and then
be able to restore it later. If memory serves, though, that utility
only worked sometimes. And like I said, I have no idea what it was
called. Last time I tried to use it was in another century...<br>
<br>
— Mike<br>
<br>
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