jumpy cursor problem and sugar issue

[Andres Salomon]

On Fri, 02 May 2008 11:11:15 +0545
Bryan Berry <bryan.berry at gmail.com> wrote:

> 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


Nope.  We have not included the latest touchpad driver into a build yet.
You'd have to install a kernel in order to play with it.



> 
> 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.
> > 
> > 
> 
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