Public bug reported:
I have Ubuntu Ubuntu 24.04.4 LTS with Linux 6.17.0-14-generic now.
Even after a fresh reboot, Ubuntu shows lags in mouse movement. I have no
special mouse (gentix 4KCherry). The lags show by stuttering curser (still
fast, but slow enough to be seen).
Actions to provoke misbehaviour (no special preconditions, just on Ubuntu
desktop)
1. moved my mouse to one direction
2. stopping to move
3. waiting some seconds (optional; no matter how many)
last step:
4. THEN moving to the opposite direction
Seen misbehaviour:
- even during step 1, the mouse stutters
- on step 4, the cursor once appears in the old direction. This is unexcepted
and makes no sense for me. The next mouse cursor views follow the direction,
still in the same stuttering kind. What could be the issue?
Further info on my environment (partially on proposal by AI, so decide yourself
if you need it):
uname -a
Linux a 6.17.0-14-generic #14~24.04.1-Ubuntu SMP PREEMPT_DYNAMIC Thu Jan 15
15:52:10 UTC 2 x86_64 x86_64 x86_64 GNU/Linux
I'm using Wayland (no difference on xorg)
No matter which settings in mouse configuration on acceleration and speed
lspci -k | grep -A 2 -i "VGA"
03:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Navi
44 [Radeon RX 9060 XT] (rev c0)
Subsystem: Sapphire Technology Limited Device a493
Kernel driver in use: amdgpu
sudo libinput list-devices
[...]
Device: Cherry GmbH CHERRY Mouse
Kernel: /dev/input/event4
Group: 4
Seat: seat0, default
Capabilities: pointer
Tap-to-click: n/a
Tap-and-drag: n/a
Tap drag lock: n/a
Left-handed: disabled
Nat.scrolling: disabled
Middle emulation: disabled
Calibration: n/a
Scroll methods: button
Click methods: none
Disable-w-typing: n/a
Disable-w-trackpointing: n/a
Accel profiles: flat *adaptive custom
Rotation: 0.0
sudo dmesg | grep -i mouse
[ 3.183127] mousedev: PS/2 mouse device common for all mice
[ 5.885578] usb 9-1.2.1.1: Product: CHERRY Mouse
[ 5.996976] input: Cherry GmbH CHERRY Mouse as
/devices/pci0000:00/0000:00:08.3/0000:77:00.0/usb9/9-1/9-1.2/9-1.2.1/9-1.2.1.1/9-1.2.1.1:1.0/0003:046A:C094.0004/input/input4
[ 6.013429] hid-generic 0003:046A:C094.0004: input,hidraw3: USB HID v1.11
Mouse [Cherry GmbH CHERRY Mouse] on usb-0000:77:00.0-1.2.1.1/input0
** Affects: ubuntu
Importance: Undecided
Status: New
** Tags: lag mouse
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https://bugs.launchpad.net/bugs/2143784
Title:
Mouse lags at least since previous update (6.17.0-14-generic)
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