Re: [BUG] 2.4.0-test4 and console

From: Art Boulatov (art@ksu.ru)
Date: Mon Jul 17 2000 - 22:14:55 EST


James A Simmons wrote:
>
> On Mon, 17 Jul 2000, Anssi Kolehmainen wrote:
>
> > > Andrew Morton writes:
> > > > Actually, Mathieu's words and patch are consistent.
> > > >
> > > > Several people have recently reported the console-blacking-out-problem
> > > > and this looks like the source.
> > > >
> > > > It was not I who made this change, and I guess before it's backed out we
> > > > should find out who did it, and what they were trying to achieve.
> > >
> > > James Simmons, iirc. It does however look correct. Maybe the problem
> > > is lower down in the card-specific drivers rather than here? Before
> > > backing out the change, I think we need more investigation of the cause
> > > of the problem.
> >
> > I believe it's in card drivers. I tried 'VGA' driver (that came with
> > XFree86) and console was ok.
> > With 'nv' driver (came with XFree86 4.0.1) console dims at first start and
> > in the second time it turns completely blank.
> > With 'nvidia' driber (v0.94, from NVidia) console blanks totally at first
> > start.
> > Another interesting point is that with 'nv' console dims only when starting
> > X (so I can restore console just by logging to another VT and 'reset', but
> > with 'nvidia' console blanks always when I switch to X.
>
> That patch is 100% correct. That patches fixed palette setting problems.
> On most video hardware how the palette is set depends on the video
> mode. Thus you have to set the palette after the video mode is set. The
> video mode can be altered in con_switch. Please if anyone has problems let
> me know what hardware is doing this and what you are running. It is a

Asus AGP-V3800 PRO/TV (TNT2PRO) on Asus P3B-F.

XFree86-4.0.1 + NVIDIA 0.9-4 drivers + linux-2.4.0-test4

> correct patch but it could be that XFree86 either takes advantage of the
> kernel bug or XFree86 doesn't reset the hardware back to the correct state
> after switching to the console. Which happens alot :-(.
>
> "Look its a text editor, no its a OS, no its Emacs"
> James Simmons (o_
> fbdev/gfx developer (o_ (o_ //\
> http://www.linux-fbdev.org (/)_ (/)_ V_/_
> http://linuxgfx.sourceforge.net
>
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