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Fedora 22 Touchpad Cursor slags and jumps

asked 2015-05-31 10:22:27 -0600

megh gravatar image

I just installed Fedora 22 on my Laptop but the cursor slags and jumps and the experience is annoying.

Do I have to install any driver etc to improve it?

(This was not case in Fedora 21)

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answered 2015-05-31 11:23:44 -0600

geforce gravatar image

Try the synaptics driver

dnf install xorg-x11-drv-synaptics
cd /usr/share/X11/xorg.conf.d/
ln -s 50-synaptics.conf 99-synaptics.conf
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Thanks. But I did not try this when I restarted the slaginess and jumpiness disappeared automatically

megh gravatar imagemegh ( 2015-06-01 02:18:28 -0600 )edit

Thanks for the fast reply. This will not work. I get an Error Message and i can change less as before...

My PC ist a Lenovo T440

ctrick gravatar imagectrick ( 2015-06-01 14:23:35 -0600 )edit

This worked perfectly for me! I have a System76 Kudu Pro, and this worked great for me!

rgates gravatar imagergates ( 2015-06-01 19:02:51 -0600 )edit

THANK YOU!! This worked for me on my Elan touchpad (Samsung Series 9).
It also fixed the new behaviour where two finger scrolling does not work if you use your first and fourth fingers (fingers too far apart) Would be good to know why this worked. Why does a symlink to the same file make the driver load?

acyclic gravatar imageacyclic ( 2015-07-26 08:45:50 -0600 )edit

This fixed the problem for me.

killercow84 gravatar imagekillercow84 ( 2015-07-27 04:57:16 -0600 )edit

answered 2015-06-04 17:16:58 -0600

whot gravatar image

F22 is using a new driver (libinput) which still has a couple of rough edges. Anything that doesn't work as expected please file a bug and we'll fix it asap.

A cursor jump could be caused by the hardware (and libinput handling events differently) or by excessive processing on the X server side. Again, a bug will help us to get this fixed.

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My new laptop with touch screen has similar problem. The mouse cursor slags and jumps. When this situation happens, The cursor sometimes jumps to the central bottom of the screen. I have tried above fix, it improves the situation ( this happen less ) but not completely fixed. Is it possible that the touch screen also play some role here and require some fix as well ?

sckao gravatar imagesckao ( 2015-06-05 12:56:12 -0600 )edit

Where and how can bugs be filed? Unfortunately compared to the previous driver, scrolling works only sometimes, a right click works nearly never and while trying to scroll the cursor jumps wild on the screen. Maybe there are technical reasons for a new driver but from user perspective.. well I don't know how to call it...

tanju gravatar imagetanju ( 2015-07-15 15:36:04 -0600 )edit
whot gravatar imagewhot ( 2015-07-15 17:19:22 -0600 )edit

Filed a bug. Why did Fedora change to libinput when it's behaviour is clearly inferior with basic usability testing?

acyclic gravatar imageacyclic ( 2015-07-26 08:53:52 -0600 )edit

answered 2015-06-12 07:50:17 -0600

ggsalas gravatar image

Hi, On Fedora 21 the cursor lags and jumps sometimes, but with fedora 22 the touchpad is not working anymore. The only way I can get working is this:

Firdt I need add "splash i8042.noloop=1" to "GRUB_CMDLINE_LINUX" and then with this boot sequence:

  1. Boot with fedora 22 liveusb plug on the pc
  2. Select this option on boot menu
  3. See this error
  4. Ctrl+Alt+Del
  5. Normal boot and get touchpado working!

Also I have reported the bug, I hope is well reported

Best regards

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Asked: 2015-05-31 10:22:27 -0600

Seen: 8,427 times

Last updated: Jun 12 '15