Re: [directfb-dev] [g-i] Issues with directfb input devices handling
On Sat, Sep 30, 2006 at 11:22:48AM +0300, Ville Syrjälä wrote:
> On Fri, Sep 29, 2006 at 09:21:27PM +0200, Attilio Fiandrotti wrote:
> > Hi
> >
> > I just completed a preliminary survey [1] about graphical
> > debian-installer usability on PPC machines and it turned out that there
> > are two distinct kinds of issues that currently block PPC users from
> > using the g-i.
> >
> > *Graphical issues: PPC testers always report crashes when hw
> > acceleration iss enabled, but luckily such crashes can be easily avoided
> > by disabling hardware acceleration and chip-specific modules, or better
> > by removing gfxdrivers them from the filesystem.
> > So, even if not optimal, disabling hw acceleration does the trick and we
> > can live well.
>
> I'm curious about the mach64 problems at least. But I need someone to
> tell me more than 'it crashes'. The driver should work (mmio byte swap
> asm code is included) but I have never tested it because I don't have
> the hardware.
>
> If someone wants to run tests, start with running dfbinfo, and if that
> works run df_dok.
Attilio, do we have those included in the directfb .udeb ? The best would be
to either add them, or create a new debug .udeb with these tools.
Ville, are there more such test tools which we can include in the debug
package and include in the d-i images ?
> > *Input devices issues: In many cases it turned out that the key to get
> > DFB running on PPCs is disabling the linux_input module.
> > Whenever a success was reported (except for PowerBook6,7 IBook's), it
> > was because the linux_input module was disabled.
> > We also noticed that many i386 laptop touchpads do not to work properly
> > when the linux_input module is enabled, and hence the user has to plug
> > in an USB mouse to use the installer.
>
> linux_input is crap is the touchpad is in absolute mode. Fortunately all
> my laptops have synaptics touchpads which supports relative mode in
> hardware/firmware. I have though about fixing the problem a couple of
> times but since my hardware works I haven't had enough motivation :) I
> was thinking about using tslib for this.
Friendly,
Sven Luther
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