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On Monday 22 December 2003 09:40 pm, Thomas Molina wrote: > I am running Fedora Core 1 updated on a Presario 12XL325 laptop. For a > long time during the 2.5 series I couldn't use the synaptics support. > As a result, I haven't tested this for some time. I just compiled a > fresh 2.6.0 tree, included synaptics support and now I am getting mouse > jitter. > > The easiest way to see this is to open Mozilla and go to a page with a > lot of text links such as a news site with links to a number of > stories. With synaptics support compiled in I get side to side jitter > when moving the mouse over a link. It looks as if my finger has a > nervous twitch in it. Then, when I take my finger off the touchpad to > click on the link, the mouse cursor jumps about an eighth of an inch in > a random direction. It is very annoying since the jump takes it off > the link and I can't click on it. > > Compiling synaptics support out gets me back to a stable mouse cursor. Right, I think I see it. The mousedev module does not do any smoothing of the reported coordinates which would cause the jitter you are seeing. Normally drivers do 3- or 4-point average. I'll cook up something to fix it. Meanwhile could you give a try Peter Osterlund XFree86 Synaptics driver: http://w1.894.telia.com/~u89404340/touchpad/index.html Dmitry - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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