Re: [LAU] RT in Arch Linux

Excerpts from Fons Adriaensen's message of 2011-11-21 23:42:32 +0100:
> On Mon, Nov 21, 2011 at 11:25:01PM +0100, Philipp Überbacher wrote:
> > Excerpts from Fons Adriaensen's message of 2011-11-15 23:40:04 +0100:
> > > On Tue, Nov 15, 2011 at 02:19:01PM -0800, Bernardo Barros wrote:
> > >
> > > > Also: uninstall nvidia, install nouveau to make your system compatible
> > > > with the new linux-rt 3.0 series.
> > >
> > > I never used the proprietary nvidia driver, but on one system (out of
> > > the > 10 I'm admin for), I'm forced to use nv. Video HW is 7300 LE.
> > > With nouveau everything works OK up to and including the xdm login
> > > (with the Arch 'theme'). But as soon as I login and start either
> > > windowmaker or xfce the screen looks as if X is using the wrong
> > > resolution (offset and partially repeated). Things have been like
> > > this for the past two years, and are still the same after a complete
> > > update earlier today. If you have any hints that could help to solve
> > > this I'd be very happy !
> >
> > It's a long shot, but did you try it without login manager?
>
> No, for the simple reason that the login manager is the part
> that works...
>
> Xdm is an X app, so X is running when I see the login screen,
> and everything seems OK. I've no idea what is actually supposed
> to happen when I login. Is X restarted by launching windowmaker
> or xfce ? If it is, that is probably where things go wrong.
>
> I could try booting into RL3, log in and then move to RL5 and
> a window manager. What is the recommended way of doing this ?
>
> Ciao,

I really don't know what login managers do. In the 'login' case it's
easy, login, startx, done. I think it's still worth a try. If that works
you could investigate what Xdm actually does.

No idea about runlevels either, sorry.

One further idea though: try enabling/disabling kms (kernel option
'nomodeset'), see whether the problem persists. The arch wiki says
nouveau needs kms, but it's not always right.

https://wiki.archlinux.org/index.php/Nouveau#KMS
https://wiki.archlinux.org/index.php/KMS

Regards,
Philipp

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Received on Fri Nov 25 16:15:02 2011