Re: [gentoo-user] Screen not turning on at startx. Nvidia Gfx

[Datty]

On Mon, Sep 19, 2011 at 4:33 PM, Alan McKinnon <alan.mckinnon@×××××.com>wrote:

> On Mon, 19 Sep 2011 16:23:23 +0100
> Datty <datty.wtb@×××××.com> wrote:
>
> > Thanks for the reply, I have looked at the document but unfortunately
> > I can't use Nouveau because I need 3d so I went for what I could use.
> > I've dropped uvesafb totally as it was pretty much useless anyway. It
> > has sort of helped a little, its coming up what seems like more often
> > than before but its still blanking quite a lot on boot. A few minutes
> > of switching terminals does eventually bring it up but there doesn't
> > seem to be any reasoning behind why it does and doesn't work. Nothing
> > jumps out at me in the log either.
>
> Sounds like a race condition between the kernel and the uvesafb driver.
> Only one of them can control the screen at any given time and console
> handover is a tricky business (IIRC this was one of the very things that
> drove the development of KMS). Perhaps every now and then uvesafb just
> ahppened to grab (or ungrab) the console at just the right time.
>
> --
> Alan McKinnnon
> alan.mckinnon@×××××.com
>
> A bit of a gap since my last reply but I ended up having to remove Gentoo
while I needed my laptop for work. I've rebuilt it all now based around
gnome 3.2 but the screen issue still stands. I've only got VESA framebuffer
in and nvidia-drivers-285.05.09. I'll try it without any framebuffer drivers
but I'm a bit nervous I'll end up not being able to see anything! Any more
ideas would be greatly appreciated.

Thanks

Oliver Smith