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I have a Razer DeathAdder which has been working great until I upgraded to 17.10. Now the mouse moves incredibly slowly. As in, to get from the left side of my 4k monitor to the right side, I'd have to scroll my mouse across the mouse pad maybe 30 times?

Everything was fine in previous releases, so something changed with 17.10. I tried going into the mouse properties in settings but changing the mouse speed there has absolutely zero effect.

Right now, I have a script that I run to modify the transform matrix, but I have to run it every time I turn my screen on, I guess because my mouse is plugged into the hub on the back of my monitor? It's also silly that it won't save my settings across reboots, etc.

Here are my current settings. What should I play with to change the mouse speed, and how do I get the settings to be permanent? Unfortunately, other DeathAdder mice are supported by openrazer/polychromatic, but apparently not my "black edition" that I specifically purchased because it doesn't have LEDs all over the place.

$ xinput --list-props 12
Device 'Razer Razer DeathAdder':
Device Enabled (153):   1
Coordinate Transformation Matrix (155): 1.000000, 0.000000, 0.000000, 0.000000, 1.000000, 0.000000, 0.000000, 0.000000, 1.000000
libinput Accel Speed (386): -0.413043
libinput Accel Speed Default (387): 0.000000
libinput Accel Profiles Available (388):    1, 1
libinput Accel Profile Enabled (389):   1, 0
libinput Accel Profile Enabled Default (390):   1, 0
libinput Natural Scrolling Enabled (287):   0
libinput Natural Scrolling Enabled Default (288):   0
libinput Send Events Modes Available (272): 1, 0
libinput Send Events Mode Enabled (273):    0, 0
libinput Send Events Mode Enabled Default (274):    0, 0
libinput Left Handed Enabled (391): 0
libinput Left Handed Enabled Default (392): 0
libinput Scroll Methods Available (393):    0, 0, 1
libinput Scroll Method Enabled (394):   0, 0, 0
libinput Scroll Method Enabled Default (395):   0, 0, 0
libinput Button Scrolling Button (396): 2
libinput Button Scrolling Button Default (397): 2
libinput Middle Emulation Enabled (398):    0
libinput Middle Emulation Enabled Default (399):    0
Device Node (275):  "/dev/input/event2"
Device Product ID (276):    5426, 41
libinput Drag Lock Buttons (289):   <no items>
libinput Horizontal Scroll Enabled (290):   1
twofifty6
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2 Answers2

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I just upgraded my Notebook, because 17.04 no longer gets updates, and had the same problem. Afer some fiddling around I found a solution, altough late to your question, but it maybe help someone in the future. So here we go:

First install gnome-tweak-tool

sudo apt-get install gnome-tweak-tool

Then I'd recommend turning down the mouse speed to half or else it will be super fast after the next step (not completely slow cause then it wont move). In the Tweak-Tool change the Acceleration Profile to Flat. Now you can adjust the speed in the system settings to fit your needs.

I hope that helps (at least it did for me).

JakobP
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TLDR: switching from 4.13.0-16-lowlatency (default) to 4.13.0-16-generic solved my input lag problems.

I've had a similar problem when I switched from ubuntu-gnome 17.04 to ubuntu 17.10. My mouse became unresponsively slow and later on, my keyboard became unresponsively slow as well. While trying (and failing) to backup /home directory to an external drive, I ran iotop and I noticed that ksoftirqd was constantly at 99.99% IO and every few seconds other irq processes were at 99.99% as well, according to the internet that means something in my PC is interrupting the CPU faster then it can handle. In a last ditch effort before having to reinstall ubuntu-gnome 17.04, I rebooted and in the grub menu I selected the "normal" 4.13 kernel (the 4.13-lowlatency kernel being the default). I'm now using kernel 4.13.0-16-generic and I'm finally able to use the system again.

Not sure if you have the same situation, but it might be worth a try to switch to 4.13.0-16-generic instead of 4.13.0-16-lowlatency

Pieter
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