Can confirm this on my EeePC 1005PE. Seems to affect several types of netbooks. I solved it by setting EmulateTwoFingerMinZ to 0.
Try using: #synclient EmulateTwoFingerMinZ=0 with shmconfig enabled and set this in your fdi/xorg.conf file.
Can confirm this on my EeePC 1005PE. rMinZ to 0.
Seems to affect several types of netbooks.
I solved it by setting EmulateTwoFinge
Try using: rMinZ=0
#synclient EmulateTwoFinge
with shmconfig enabled and set this in your fdi/xorg.conf file.