Re: [Linuxwacom-discuss] Intuos4 and pointer jitter

[Eric H. <son...@dr...>]

Well, I can say that I don't have this issue at all.  I am also running
Ubuntu 9.04 with an Intuos 4 medium.  Not helpful to you, but it's a data
point.

On Fri, Oct 23, 2009 at 10:19 AM, SHIRAKAWA Akira <shi...@gm...
> wrote:

> Hello everybody.
>
> I hope somebody can help me solve this rather annoying problem I have
> with my Intuos4 Medium tablet and Ubuntu. Because of it I'm forced to
> use Windows.
>
> On some areas on the corners of the tablet (screen) the pointer tends to
>  shake lightly but visibly even though the pen is perfectly still
> (pointer jitter). On the central area of the tablet the pointer appears
> instead to behave normally.
>
> This happens under Gnome on Ubuntu 9.04 and 9.10 RC (latest version at
> the time I'm writing). I tried to change USB ports, switch PC, and also
> change my Intuos4 pen, but with no luck.
> If I increase the Suppress value to higher values than default (30-40)
> this issue is somewhat mitigated, but at the cost of a sluggish cursor
> response, and when the pointer starts moving it still shakes a little
> anyway: it's not really a viable solution.
> Setting Suppress to 0 makes the pointer shake lightly but annoyingly
> almost everywhere on the screen. Oddly enough, with my previous Bamboo
> Fun tablet I didn't have any problem at all. Xidump reveals that on some
> areas around the corners of the tablet X and Y coordinates vary randomly
>  and constantly back and forth by a maximum 25-30 units.
>
> I tried to install the new 0.8.5 development linuxwacom drivers, but
> with no luck. This problem appears to be occurring only on Linux: on
> Windows (Vista and Seven) on the same PC with the official Wacom drivers
> my Intuos4 tablet works flawlessly, and the pointer is perfectly stable
> everywhere on the screen.
>
> Does anybody else have this rather annoying problem under Linux with the
> Intuos4 tablet? I'm not really sure if this issue is due to a driver or
> a hardware problem. But again, the tablet works perfectly on Windows.
>
> --
> SHIRAKAWA Akira
>
>
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-- 
Eric Honaker
Dragonsept Arts and Publishing
http://www.dragonseptarts.com/