[Savage40] Small video glitches with savage snapshot

[Bjorn Knutsson]

On 8 Apr 2005 06:24, Alex Deucher wrote:
> --- Bjorn Knutsson <bjorn+savage at update.uu.se> wrote:
> > I downloaded and installed:
> > 
> >
> http://dri.freedesktop.org/snapshots/savage-20050407-linux.i386.tar.bz2
> > 
> > I disabled BCIforXv (from xorg.0.log):
> > 
> > (**) SAVAGE(0): Option: Disable use of the BCI for Xv
> > 
> > But both glitches are still present.
> > 
> > As before, if I drop Tim's 1.1.27t instead, I do not see these
> > glitches.
> > 
> > The glitch relating to the top lines I only seem to get in xine,
> > while
> > the pattern happens in both xine and mplayer. I should note, however,
> > that xine is my preferred viewer, so I've "tested" this much more
> > exhaustively with xine. I'll switch to using mplayer for a while and
> > see if I catch it there.
> > 
> > The shape of the pattern depends on the width of the video stream,
> > and
> > will be resized if you resize the content of the window, i.e., it's
> > like it's part of the original video, rather than a glitch that
> > overwrites the current window.
> > 
> > For one width, it looks somthing like this:
> > 
> > ****     ****     ****
> >     ****     ****     ****
> >         ****     ****     ****
> >             ****     ****     ****
> > 
> > across the video window. For another width, they're boxes:
> > 
> >     ****    ****    ****    ****
> >     ****    ****    ****    ****
> >     ****    ****    ****    ****
> >     ****    ****    ****    ****
> > 
> > One easy way to provoke them to appear is to scroll a firefox-window
> > next to the video window. The exact bit pattern of the pattern will
> > change as you scroll, which makes me think that the pattern is
> > actually a rectangle of the current screen that for some reason gets
> > mapped into the video window, with different skews depending on the
> > video window width. (We get the rectangles if the video window width
> > is an integral multiple of the rectangle width.)
> 
> Can you try disabling the DRI and see if that fixes the video problem?
> comment out the load dri line in the modules section of your config.
> It may be a FIFO/bandwidth issue that shows up when 3D is configured. 

I commented the line out, same thing.

> Also what chip do you have?

01:00.0 VGA compatible controller: S3 Inc. SuperSavage IX/C SDR (rev 05)

It's a T23.

/Björn