From: Peter O. <pe...@te...> - 2003-08-17 20:14:10
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Santiago Garcia Mantinan <ma...@ma...> writes: > The machine is a PIII mobile at 1GHz with intel chipset (i82801+i830M) 256 > Megs of RAM the mouse is a Synaptics touchpad. The problem is that the mouse > gets crazy (if using the normal mouse driver) or looses sync (if using the > synaptics driver). I have looked at the interrupts happening when one moves > the mouse and the number is much higher (from 3 to 10 times) in 2.6 compared > with 2.4, also when one stops moving the mouse in 2.6 the interrupts keep on > happening for half a second or so, while it stops inmediately in 2.4. Actually it is expected to see interrupts for about one second after you stop touching the touchpad, if you are using the synaptics driver. There is a feature in the synaptics hardware that keeps generating packets for one extra second, to make it easier for drivers to implement gesture decoding without having to rely on additional software timers. Maybe you didn't use the synaptics driver in 2.4, in which case the touchpad would emulate a standard mouse and not generate the extra packets. -- Peter Osterlund - pe...@te... http://w1.894.telia.com/~u89404340 |