Strange video mode output with VESA

[paradox]

can you set less resolution?
is the same bug?

as example MODE_277

need more verbose information


> >>On Wednesday 02 June 2010 04:25 pm, David DEMELIER
> wrote:
> >>> Hi there,
> >>>
> >>> I was so happy to see that VESA is available
> for amd64, but
> >>> unfortunately it does not work really well for
> me. Take a look at
> >>> this picture :
> >>>
> >>> http://img717.imageshack.us/img717/7311/dsc00399h.jpg
> >>>
> >>> My laptop is a 15,6" so the best resolution is
> 1366x768, I tried
> >>> this
> >>>
> >>> : vidcontrol MODE_496. As you can see on the
> picture all the lines
> >>> : are
> >>>
> >>> completely everywhere, if I mouse the cursor
> they move away (I'm
> >>> not drunk!).
> >>>
> >>> I have SC_PIXEL_MODE in my kernel config.
> >>>
> >>> The console terminal is okay until I don't
> excess 1280x960x32 video
> >>> mode.
> >>>
> >>> Do you have any idea to fix this ?
> >>
> >>It is kinda known problem.  If the mode has larger
> bytes per scan line
> >>than the minimum, few characters per line are lost
> when the screen is
> >>scrolled up or down, i.e., framebuffer copies of
> whole screen.  When
> >>you move the mouse onto the line, entire line is
> redrawn and
> >>restored.  That's what you are seeing.  Ed might
> have a better idea
> >>how to fix it (CC'ed).
> >>
> >>Jung-uk Kim
> >
> > this is incorrent calculate the scan lines in the vesa
> driver
> > Jung-uk Kim should to fix it
> >
> 
> But Jung-uk Kim said Ed' should fix it so we are in an
> infinite loop :-
> 
> -- 
> Demelier David
>