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tekio

Flaky Trackpad in Linux

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My trackpad, is super flaky in Linux. It will pause long enough to be annoying then work again... By pause I mean, stops taking input for a few seconds then accepts input once again...

 

 

 

This is the dmesg log. This is what happens every time it pauses....

Feb  1 13:15:48 sting kernel: [ 1746.787178] psmouse serio1: resync failed, issuing reconnect requestFeb  1 13:15:52 sting kernel: [ 1750.722621] psmouse serio1: TouchPad at isa0060/serio1/input0 lost sync at byte 1Feb  1 13:15:52 sting kernel: [ 1750.723734] psmouse serio1: TouchPad at isa0060/serio1/input0 lost sync at byte 1Feb  1 13:15:52 sting kernel: [ 1750.724642] psmouse serio1: TouchPad at isa0060/serio1/input0 lost sync at byte 1Feb  1 13:15:52 sting kernel: [ 1750.725717] psmouse serio1: TouchPad at isa0060/serio1/input0 lost sync at byte 1Feb  1 13:15:52 sting kernel: [ 1750.737756] psmouse serio1: TouchPad at isa0060/serio1/input0 - driver resynced.Feb  1 13:15:55 sting kernel: [ 1753.855093] psmouse serio1: TouchPad at isa0060/serio1/input0 lost synchronization, throwing 2 bytes away.Feb  1 13:15:55 sting kernel: [ 1754.361293] psmouse serio1: resync failed, issuing reconnect request

It's on an iC2 bus... That's the only thing I can think of causing the problem.. Well besides it might not have the correct Synaptics drivers. I've followed many tutorials, and installed many Synaptics utilities.. Pretty much noting has fixed this...

 

Could it be the ic2 bus causing issues? Is there some special driver I need for ic2 to function properly under Linux? 

 

P.S. I've installed all the latest trackpad firmware and BIOS updates from the manufacturer...

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I'm just mainly replying to this for anyone who comes across, looking for a fix.

 

I was trying to get Mint Linux working one my Dell XPS 13 9343. The problem was that is uses a Microsoft Precision TrackPad. the fix is pretty simple. This is for Linux Mint 17.2 Rebecca, but should work on anything with Ubuntu repositories:

 

via apt-get install the following packages:

linux-headers-3.19.0-21-generic - Linux kernel headers for version 3.19.0 on 64 bit x86 SMP** linux-image-3.19.0-21-generic - Linux kernel image for version 3.19.0 on 64 bit x86 SMPlinux-image-extra-3.19.0-21-generic - Linux kernel extra modules for version 3.19.0 on 64 bit x86 SMP** linux-signed-image-3.19.0-21-generic - Signed kernel image genericlinux-tools-3.19.0-21-generic 

** either the standard image or signed image. For secure boot enabled use the signed image. For old BIOS or UEFI w/o secure boot use the standard generic image.

 

On the Dell 9343 the 3.19.0-21 is the first in the Ubuntu repository that includes the "automagic" kernel with updates for the Synaptics MS precision touchpad on the Ic2 bus. Later kernels will work - however the Broadcam package in Mint's repository is REALLY flaky with the other, newer kernels... So.. I just used 3.19.0-21 instead of playing with compilers and kernel modules all day.

 

Mint will automagically update Grub and boot the new kernel. So... after installing reboot. You trackpad will be even better than in Windows with Microsoft precision track-pad drivers on Win8 or Win 10 (go figure).

 

Hope this helps someone out!  :-)

Edited by tekio
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