Yeah, my touchpad is borderline unusable compared to our macbook pro with OS X. I get hand cramps if I use the mouse for more than a few minutes.
Blaine On Thu, Apr 8, 2010 at 6:49 PM, Olafur Arason <olaf...@olafura.com> wrote: > This is a very serious problem and still in Lucid. > > ** Changed in: xserver-xorg-input-synaptics (Ubuntu) > Assignee: (unassigned) => Alberto Milone (albertomilone) > > -- > Appletouch touchpad driver produces jumpy two-fingered scrolling > https://bugs.launchpad.net/bugs/381884 > You received this bug notification because you are a direct subscriber > of the bug. > > Status in The Linux Kernel: New > Status in Mactel Support: New > Status in “xserver-xorg-input-synaptics” package in Ubuntu: Confirmed > > Bug description: > Binary package hint: xserver-xorg-input-synaptics > > My system is: Linux richard-laptop 2.6.28-11-generic #42-Ubuntu SMP Fri Apr > 17 01:58:03 UTC 2009 x86_64 GNU/Linux. However, this issue applies to at > least Intrepid and Jaunty, 32 and 64 bit, running on Apple Mac hardware that > uses an Appletouch touchpad. It has also been reported in the Gentoo and > Debian forums. > > >From what I can find on the Net, the Appletouch touchpad was first used in > February 2005 for the G4 aluminium PowerBook, and last used for the Macbook > Pro in its 3rd generation, then 4th generation Intel Macbook in early 2008. > > The issue is with two-fingered scrolling. The Appletouch features the > ability to detect two (or three) touches. OS X uses this feature to enable > scrolling, similar to a scrollwheel on a mouse. > > The synaptics driver causes the simulated scrollwheel to start moving as > soon as one places a second finger on the touchpad. That is to say, placing > a second finger causes the trackpad driver to deliver scrolling signals, > which means that attempts at vertical scrolling feels jumpy, or over > sensitive. > > There was an update to the OS X driver that fixed this situation for Apple. > I guess that it detects the second finger and programmatically ignores the > first few scrollticks, thereby 'deadening' the output. This is what we > need. > > The synaptics driver allows for some modification, but not for multitouch > input. This needs to be fixed at source code level. > > Richard > > To unsubscribe from this bug, go to: > https://bugs.launchpad.net/linux/+bug/381884/+subscribe > -- Appletouch touchpad driver produces jumpy two-fingered scrolling https://bugs.launchpad.net/bugs/381884 You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-input-synaptics in ubuntu. _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
