Comment 20 for bug 850895

Revision history for this message
Steve Langasek (vorlon) wrote : Re: [Bug 850895] Re: [nouveaufb] Plymouth refuses to show on boot, only at shutdown (mountall error messages)

On Sun, Oct 16, 2011 at 06:46:22AM -0000, WarriorIng64 wrote:
> I was able to get this picture of vbeinfo on my desktop using Cheese,
> after resetting grub to use GRUB_GFXMODE=640x480 again. I think some of
> the output at the top is cut off, and you can see black artifacts along
> the edges of the screen. But at least I do have something to start with

> I'll try some of these resolutions and see if I can't get anything
> better.

Interesting; sure enough, there's the 2048x1536 resolution that shows up in
the plymouth log, and 1680x1050 does not appear in the vbeinfo list.

So it looks like you're going to end up with a stretched GRUB menu no matter
what, because there are no widescreen 16:10 modes in the list.

That leaves two questions:

 - why does the plymouth drm driver not work on your card?
 - why does the nouveau framebuffer pick up the resolution passed by GRUB,
without cross-checking it against EDID?

These are probably both bugs that warrant further investigation.

--
Steve Langasek Give me a lever long enough and a Free OS
Debian Developer to set it on, and I can move the world.
Ubuntu Developer http://www.debian.org/
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