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#1 2020-07-28 11:10:35

omniscient_potato
Member
Registered: 2020-07-12
Posts: 9

Mouse Input stuttering on XPS15 9500

Heyho,

I installed Arch with xmonad on my XPS15 9500, and from the beginning on, I noticed that sometimes the mouse input starts to stutter for a while, meaning I can't move the cursor and gestures like scrolling are not detected anymore.
Looking at the output of linbinput debug-events, I could see that there is no registered input for these short intervals.
I think these stutters appear more often on "graphic heavy" applications like firefox or a JetBrain IDE, I haven't tried games though.
Do you have an idea what this problem could be, or what I could look at to narrow down the source?

Thanks in advance!

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#2 2020-07-28 12:48:20

ondoho
Member
Registered: 2013-04-30
Posts: 660
Website

Re: Mouse Input stuttering on XPS15 9500

dmesg -w

might help.

What sort of mouse, USB, wireless...?

Last edited by ondoho (2020-07-28 12:48:54)


However studied and stilted your rant, it can never hide the base and primitve emotion that inspired it.
There's no objectivity.

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#3 2020-07-30 07:43:25

omniscient_potato
Member
Registered: 2020-07-12
Posts: 9

Re: Mouse Input stuttering on XPS15 9500

I'm mostly using the trackpad, I haven't encountered the problem with a bluetooth mouse, but that does not mean anything, since I'm not using one as often.

Looking at the output of dmesg -w, I'm getting the following errors, but not quite sure whether they're related to the trackpad input.
[166413.266917] psmouse serio1: elantech: elantech_send_cmd query 0x02 failed.
[166413.266920] psmouse serio1: elantech: failed to query capabilities.

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#4 2020-07-30 12:53:47

ondoho
Member
Registered: 2013-04-30
Posts: 660
Website

Re: Mouse Input stuttering on XPS15 9500

https://wiki.archlinux.org/index.php/Laptop#Elantech
https://wiki.archlinux.org/index.php/De … 0#Touchpad
Many topics with "elantech" in the title, but nothing witht hat specific error message afaics.


However studied and stilted your rant, it can never hide the base and primitve emotion that inspired it.
There's no objectivity.

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#5 2020-08-01 05:39:47

iboyperson
Member
Registered: 2017-11-02
Posts: 7

Re: Mouse Input stuttering on XPS15 9500

I saw this too. I did some digging and found these that recommend to blacklist psmouse. The errors do go away, however I don't know if this is a true fix so proceed with caution.

https://wiki.archlinux.org/index.php/De … from_dmesg
https://www.reddit.com/r/archlinux/comm … se_errors/

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#6 2020-08-03 11:24:16

omniscient_potato
Member
Registered: 2020-07-12
Posts: 9

Re: Mouse Input stuttering on XPS15 9500

I looked into your suggestions, but nothing worked so far.
However, I noticed that a Bluetooth mouse is equally affected by the problems, maybe that help to narrow down the source.

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#7 2020-08-04 09:41:00

omniscient_potato
Member
Registered: 2020-07-12
Posts: 9

Re: Mouse Input stuttering on XPS15 9500

My laptop just had a huge sequence of "seizures" and I noticed that keyboard input is also not detected for these short periods of time.
When this happened, I had some ssh sessions and terminals as well as firefox and spotify open, maybe this helps...

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#8 2020-08-04 16:57:02

ondoho
Member
Registered: 2013-04-30
Posts: 660
Website

Re: Mouse Input stuttering on XPS15 9500

I guess some serious troubleshooting will help.
The Arch wiki has a page on that.


However studied and stilted your rant, it can never hide the base and primitve emotion that inspired it.
There's no objectivity.

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#9 2020-08-09 09:57:19

omniscient_potato
Member
Registered: 2020-07-12
Posts: 9

Re: Mouse Input stuttering on XPS15 9500

Thanks for the help, do you have a link to the page you think could help me?

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#10 2020-08-15 19:23:09

bbus
Member
Registered: 2019-03-14
Posts: 15

Re: Mouse Input stuttering on XPS15 9500

Also been trying, on and off, to get this fixed. I believe ondoho is speaking of this page:

https://wiki.archlinux.org/index.php/Ge … leshooting

I haven't had time to go through it yet.
I waited for the kernel to update from 5.7 to 5.8 before dumping too much time into it. With the upgrade today, I'm still seeing the same error in `dmesg`.

I am also hoping that some fix to this error will have a side-effect of fixing the terrible palm rejection. I'm just unsure if psmouse has anything to do with libinput.

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#11 2020-08-17 23:46:23

bbus
Member
Registered: 2019-03-14
Posts: 15

Re: Mouse Input stuttering on XPS15 9500

I just tried `rmmod psmouse`, and initially, the behavior is way better; not perfect, but much better. As iboyperson mentioned above, there may be some hidden problems that get introduced, but for now, at least until I have time to find the real, root problem and solution, I'm happy.

Edit: Also, libinput 1.16 should be coming soon, and I suspect they'll have added some specific info for this trackpad to a *.quirk file. It will also come with a new touchpad calibration tool, which should help if they don't have a new quirk for this machine.

Last edited by bbus (2020-08-19 14:52:34)

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