Re: [Linux-fbdev-devel] FB console clears with large white area at startup

[James S. <jsi...@tr...>]

> > Except what actually happens is that most of the screen is cleared to white,
> > and console messages appear on the bottom line of the white area. As the
> > console scrolls the white area scrolls up the screen, though that part of it to
> > the right of Tux remains as long as Tux remains.
> 
> I have the same problem with pm3fb.

the reason was discovered to be from calling set_var before
register_framebuffer. 

> i don't know, but while writing the pm3 X driver, i noticed that may board
> will not save/restore the fonts correctly when doing MMIO (and when not doing
> MMIO it would not work in dual pm3 configuration) so we (Well Alan Hourihane
> actually) did change the code to read/save font memory using a special memcopy
> instead of resorting to the vga interface, which seemed broken in this
> respect. Maybe the pm2 chip shares this problem ?

Hm. The console system should be handling restoring the fonts. Unfortunely
it doesn't. I can see this when I use the vesa framebuffer and X.