[Olpc-open] jumpy cursor problem and sugar issue

[Bryan Berry]

dilinger/andres

does this build have the latest touchpad driver?

http://pilgrim.laptop.org/~pilgrim/olpc/streams/olpc3/build8/devel_jffs2/

I will download it and try it out

On Sun, 2008-04-27 at 17:54 -0400, Andres Salomon wrote:
> On Sun, 27 Apr 2008 17:34:30 +0200
> Bernie Innocenti <bernie at codewiz.org> wrote:
> 
> > Bryan Berry wrote:
> > 
> > > 1. We are having a lot of trouble w/ jumpy cursors. You know where the
> > > touchpad behaves erratically. Is there an easy fix to this problem?
> > > 
> > > we are using build 703, MP machines, and firmware Q2d14. We have the
> > > kids hold down the 4 corner buttons as recommended in the XO user guide
> > > but that doesn't seem to consistently fix the problem.
> > > 
> > > Dust is an issue at the schools but that can't explain the high rate of
> > > jumpy cursors. Please assist
> > 
> > Can you explain in detail the behavior of the cursor when it's
> > acting erratically?
> > 
> > There are many independent touchpad problems that look alike.
> > Of these, the only one I could fix in software was this one:
> >   http://dev.laptop.org/ticket/2804
> > 
> > The symptoms of #2804 are quite distinctive: the cursor jumps immediately
> > towards the bottom-right corner of the screen each time you put your
> > finger on the touchpad.
> > 
> > Dilinger and Smithbone have been working on the calibration issue,
> > but I don't know if they finally succeeded.
> > 
> > Dilinger also had a cleaned up version of the driver, combining
> > together several touchpad fixes, cleanups and re-enabling the pen
> > tablet too (#5268). That patch-set had been held until after Update.1
> > because it introduced yet another regression (#6079).
> > 
> 
> Yeah, all the code's in master.  No known bugs in the touchpad driver, but
> the kernel was just updated to 2.6.25.  Of course, the most important
> change might be the PT-in-relative-mode thing; when the GS screws up,
> just push down hard and use the PT to do what you want to do.
> 
>