Package: libinput10
Version: 1.16.4-3
Followup-For: Bug #968093
X-Debbugs-Cc: wim.bert...@ucll.be

Hello,

i don't know libinput10 is responsible for this behaviour,
but my system does indeed lag noticeabily, both mouse and keyboard as the 
screen,
but since the behaviour is the same

setup:
* laptop + two different screens via dockingstation
* bumblebee with intel and nvidia

hth, suggestions welcome

more info:
$ xrandr
Screen 0: minimum 8 x 8, current 4740 x 1600, maximum 32767 x 32767
eDP1 connected 1920x1080+0+0 (normal left inverted right x axis y axis) 340mm x 
190mm
   3840x2160     60.00*+  40.00  
DP1 disconnected (normal left inverted right x axis y axis)
DP2 disconnected (normal left inverted right x axis y axis)
HDMI1 disconnected (normal left inverted right x axis y axis)
HDMI2 disconnected (normal left inverted right x axis y axis)
HDMI3 disconnected (normal left inverted right x axis y axis)
VIRTUAL1 connected primary 1920x1080+1920+0 (normal left inverted right x axis 
y axis) 0mm x 0mm
   VIRTUAL1.542-1920x1080  60.00* 
   VIRTUAL1.543-1920x1080  59.94  
   VIRTUAL1.544-1920x1080  50.00  
   VIRTUAL1.545-1680x1050  59.95  
   VIRTUAL1.546-1600x900  60.00  
   VIRTUAL1.547-1440x900  59.89  
   VIRTUAL1.548-1280x1024  60.02  
   VIRTUAL1.549-1280x800  59.81  
   VIRTUAL1.550-1280x720  60.00  
   VIRTUAL1.551-1280x720  59.94  
   VIRTUAL1.552-1280x720  50.00  
   VIRTUAL1.553-1024x768  60.00  
   VIRTUAL1.554-800x600  60.32  
   VIRTUAL1.555-720x576  50.00  
   VIRTUAL1.556-720x480  59.94  
   VIRTUAL1.557-640x480  59.94  
   VIRTUAL1.558-640x480  59.93  
VIRTUAL2 connected 900x1600+3840+0 left (normal left inverted right x axis y 
axis) 0mm x 0mm
   VIRTUAL2.560-1600x900  59.98* 
   VIRTUAL1.546-1600x900  60.00  
   VIRTUAL2.561-1280x1024  75.02  
   VIRTUAL1.548-1280x1024  60.02  
   VIRTUAL2.562-1152x864  75.00  
   VIRTUAL2.563-1024x768  75.03  
   VIRTUAL1.553-1024x768  60.00  
   VIRTUAL2.564-800x600  75.00  
   VIRTUAL1.554-800x600  60.32  
   VIRTUAL2.565-640x480  75.00  
   VIRTUAL1.557-640x480  59.94

$ lspci -nn | grep -i vga
00:02.0 VGA compatible controller [0300]: Intel Corporation CoffeeLake-H GT2 
[UHD Graphics 630] [8086:3e9b] (rev 02)
01:00.0 VGA compatible controller [0300]: NVIDIA Corporation TU117GLM [Quadro 
T2000 Mobile / Max-Q] [10de:1fb8] (rev a1)

$ lshw -C Display
  *-display                 
       description: VGA compatible controller
       product: TU117GLM [Quadro T2000 Mobile / Max-Q]
       vendor: NVIDIA Corporation
       physical id: 0
       bus info: pci@0000:01:00.0
       version: a1
       width: 64 bits
       clock: 33MHz
       capabilities: vga_controller bus_master cap_list rom
       configuration: driver=nvidia latency=0
       resources: irq:209 memory:e5000000-e5ffffff memory:80000000-8fffffff 
memory:90000000-91ffffff ioport:4000(size=128) memory:e6080000-e60fffff
  *-display
       description: VGA compatible controller
       product: CoffeeLake-H GT2 [UHD Graphics 630]
       vendor: Intel Corporation
       physical id: 2
       bus info: pci@0000:00:02.0
       version: 02
       width: 64 bits
       clock: 33MHz
       capabilities: vga_controller bus_master cap_list rom
       configuration: driver=i915 latency=0
       resources: irq:191 memory:e4000000-e4ffffff memory:a0000000-afffffff 
ioport:5000(size=64) memory:c0000-dffff

$ dpkg -l | grep nouv
ii  libdrm-nouveau2:amd64                                       2.4.104-1       
                       amd64        Userspace interface to nouveau-specific 
kernel DRM services -- runtime
ii  xserver-xorg-video-nouveau                                  1:1.0.17-1      
                       amd64        X.Org X server -- Nouveau display driver

$ dpkg -l | grep nvidia
ii  bumblebee-nvidia                                            3.2.1-27        
                       amd64        NVIDIA Optimus support using the 
proprietary NVIDIA driver
ii  glx-alternative-nvidia                                      1.2.0           
                       amd64        allows the selection of NVIDIA as GLX 
provider
ii  libegl-nvidia0:amd64                                        460.91.03-1     
                       amd64        NVIDIA binary EGL library
ii  libgl1-nvidia-glvnd-glx:amd64                               460.91.03-1     
                       amd64        NVIDIA binary OpenGL/GLX library (GLVND 
variant)
ii  libgles-nvidia1:amd64                                       460.91.03-1     
                       amd64        NVIDIA binary OpenGL|ES 1.x library
ii  libgles-nvidia2:amd64                                       460.91.03-1     
                       amd64        NVIDIA binary OpenGL|ES 2.x library
ii  libglx-nvidia0:amd64                                        460.91.03-1     
                       amd64        NVIDIA binary GLX library
ii  libnvidia-cbl:amd64                                         460.91.03-1     
                       amd64        NVIDIA binary Vulkan ray tracing (cbl) 
library
ii  libnvidia-cfg1:amd64                                        460.91.03-1     
                       amd64        NVIDIA binary OpenGL/GLX configuration 
library
ii  libnvidia-compiler:amd64                                    460.91.03-1     
                       amd64        NVIDIA runtime compiler library
ii  libnvidia-eglcore:amd64                                     460.91.03-1     
                       amd64        NVIDIA binary EGL core libraries
ii  libnvidia-encode1:amd64                                     460.91.03-1     
                       amd64        NVENC Video Encoding runtime library
ii  libnvidia-glcore:amd64                                      460.91.03-1     
                       amd64        NVIDIA binary OpenGL/GLX core libraries
ii  libnvidia-glvkspirv:amd64                                   460.91.03-1     
                       amd64        NVIDIA binary Vulkan Spir-V compiler library
ii  libnvidia-ml-dev:amd64                                      
11.2.152~11.2.2-3                      amd64        NVIDIA Management Library 
(NVML) development files
ii  libnvidia-ml1:amd64                                         460.91.03-1     
                       amd64        NVIDIA Management Library (NVML) runtime 
library
ii  libnvidia-ptxjitcompiler1:amd64                             460.91.03-1     
                       amd64        NVIDIA PTX JIT Compiler library
ii  libnvidia-rtcore:amd64                                      460.91.03-1     
                       amd64        NVIDIA binary Vulkan ray tracing (rtcore) 
library
ii  nvidia-alternative                                          460.91.03-1     
                       amd64        allows the selection of NVIDIA as GLX 
provider
ii  nvidia-cuda-dev:amd64                                       11.2.2-3        
                       amd64        NVIDIA CUDA development files
ii  nvidia-cuda-gdb                                             
11.2.152~11.2.2-3                      amd64        NVIDIA CUDA Debugger (GDB)
ii  nvidia-cuda-mps                                             460.91.03-1     
                       amd64        NVIDIA CUDA Multi Process Service (MPS)
ii  nvidia-cuda-toolkit                                         11.2.2-3        
                       amd64        NVIDIA CUDA development toolkit
ii  nvidia-cuda-toolkit-doc                                     11.2.2-3        
                       all          NVIDIA CUDA and OpenCL documentation
ii  nvidia-cuda-toolkit-gcc                                     11.2.2-3        
                       amd64        NVIDIA CUDA development toolkit (GCC 
compatibility)
ii  nvidia-detect                                               460.91.03-1     
                       amd64        NVIDIA GPU detection utility
ii  nvidia-driver                                               460.91.03-1     
                       amd64        NVIDIA metapackage
ii  nvidia-driver-bin                                           460.91.03-1     
                       amd64        NVIDIA driver support binaries
ii  nvidia-driver-libs:amd64                                    460.91.03-1     
                       amd64        NVIDIA metapackage (OpenGL/GLX/EGL/GLES 
libraries)
ii  nvidia-egl-common                                           460.91.03-1     
                       amd64        NVIDIA binary EGL driver - common files
ii  nvidia-egl-icd:amd64                                        460.91.03-1     
                       amd64        NVIDIA EGL installable client driver (ICD)
ii  nvidia-installer-cleanup                                    20151021+13     
                       amd64        cleanup after driver installation with the 
nvidia-installer
ii  nvidia-kernel-common                                        20151021+13     
                       amd64        NVIDIA binary kernel module support files
ii  nvidia-kernel-dkms                                          460.91.03-1     
                       amd64        NVIDIA binary kernel module DKMS source
ii  nvidia-kernel-support                                       460.91.03-1     
                       amd64        NVIDIA binary kernel module support files
ii  nvidia-legacy-check                                         460.91.03-1     
                       amd64        check for NVIDIA GPUs requiring a legacy 
driver
ii  nvidia-modprobe                                             460.32.03-1     
                       amd64        utility to load NVIDIA kernel modules and 
create device nodes
ii  nvidia-opencl-common                                        460.91.03-1     
                       amd64        NVIDIA OpenCL driver - common files
ii  nvidia-opencl-dev:amd64                                     11.2.2-3        
                       amd64        NVIDIA OpenCL development files
ii  nvidia-opencl-icd:amd64                                     460.91.03-1     
                       amd64        NVIDIA OpenCL installable client driver 
(ICD)
ii  nvidia-openjdk-8-jre                                        
9.+8u292-b10-3~11.2.2-3                amd64        Obsolete OpenJDK Java 
runtime, for NVIDIA applications
ii  nvidia-persistenced                                         460.32.03-1     
                       amd64        daemon to maintain persistent software 
state in the NVIDIA driver
ii  nvidia-primus-vk-common                                     1.6.1-1         
                       amd64        thin wrapper for the NVIDIA binary Vulkan 
ICD (common files)
ii  nvidia-primus-vk-wrapper:amd64                              1.6.1-1         
                       amd64        thin wrapper for using the NVIDIA binary 
Vulkan ICD with bumblebee
ii  nvidia-profiler                                             
11.2.152~11.2.2-3                      amd64        NVIDIA Profiler for CUDA 
and OpenCL
ii  nvidia-settings                                             460.91.03-1     
                       amd64        tool for configuring the NVIDIA graphics 
driver
ii  nvidia-smi                                                  460.91.03-1     
                       amd64        NVIDIA System Management Interface
ii  nvidia-support                                              20151021+13     
                       amd64        NVIDIA binary graphics driver support files
ii  nvidia-vdpau-driver:amd64                                   460.91.03-1     
                       amd64        Video Decode and Presentation API for Unix 
- NVIDIA driver
ii  nvidia-visual-profiler                                      
11.2.152~11.2.2-3                      amd64        NVIDIA Visual Profiler for 
CUDA and OpenCL
ii  nvidia-vulkan-common                                        460.91.03-1     
                       amd64        NVIDIA Vulkan driver - common files
ii  nvidia-vulkan-icd:amd64                                     460.91.03-1     
                       amd64        NVIDIA Vulkan installable client driver 
(ICD)
ii  nvidia-xconfig                                              460.32.03-1     
                       amd64        deprecated X configuration tool for 
non-free NVIDIA drivers
ii  primus-nvidia                                               0~20150328-13   
                       amd64        NVIDIA Primus support using the proprietary 
NVIDIA driver
ii  primus-vk-nvidia                                            1.6.1-1         
                       amd64        NVIDIA Optimus support for Vulkan 
applications
ii  xserver-xorg-video-nvidia                                   460.91.03-1     
                       amd64        NVIDIA binary Xorg driver

# dkms status
bbswitch, 0.8, 5.10.0-10-amd64, x86_64: installed
nvidia-current, 460.91.03, 5.10.0-10-amd64, x86_64: installed

# cat /var/log/Xorg.0.log | grep -i WW
[    52.561] xorg-server 2:1.20.11-1+deb11u1 (https://www.debian.org/support) 
        (WW) warning, (EE) error, (NI) not implemented, (??) unknown.
[    52.571] (WW) The directory "/usr/share/fonts/X11/cyrillic" does not exist.
[    66.528] (WW) Option "xkb_variant" requires a string value
[    66.528] (WW) Option "xkb_options" requires a string value
[    66.537] (WW) Option "xkb_variant" requires a string value
[    66.537] (WW) Option "xkb_options" requires a string value
(no EE)

$ dpkg -l | grep -i bumbl
ii  bumblebee                                                   3.2.1-27        
                       amd64        NVIDIA Optimus support for Linux
ii  bumblebee-nvidia                                            3.2.1-27        
                       amd64        NVIDIA Optimus support using the 
proprietary NVIDIA driver
ii  nvidia-primus-vk-wrapper:amd64                              1.6.1-1         
                       amd64        thin wrapper for using the NVIDIA binary 
Vulkan ICD with bumblebee

# dmesg | grep -i nvidia
[   53.115944] input: HDA NVidia HDMI/DP,pcm=3 as 
/devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card0/input36
[   53.115978] input: HDA NVidia HDMI/DP,pcm=7 as 
/devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card0/input37
[   53.116004] input: HDA NVidia HDMI/DP,pcm=8 as 
/devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card0/input38
[   53.116030] input: HDA NVidia HDMI/DP,pcm=9 as 
/devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card0/input39
[   53.116057] input: HDA NVidia HDMI/DP,pcm=10 as 
/devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card0/input40
[   53.116091] input: HDA NVidia HDMI/DP,pcm=11 as 
/devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card0/input41
[   54.993836] audit: type=1400 audit(1641995625.500:2): apparmor="STATUS" 
operation="profile_load" profile="unconfined" name="nvidia_modprobe" pid=2696 
comm="apparmor_parser"
[   54.993840] audit: type=1400 audit(1641995625.500:3): apparmor="STATUS" 
operation="profile_load" profile="unconfined" name="nvidia_modprobe//kmod" 
pid=2696 comm="apparmor_parser"
[   57.893647] nvidia: loading out-of-tree module taints kernel.
[   57.893657] nvidia: module license 'NVIDIA' taints kernel.
[   57.903369] nvidia: module verification failed: signature and/or required 
key missing - tainting kernel
[   57.955095] nvidia-nvlink: Nvlink Core is being initialized, major device 
number 237
[   57.955495] nvidia 0000:01:00.0: enabling device (0006 -> 0007)
[   57.955637] nvidia 0000:01:00.0: vgaarb: changed VGA decodes: 
olddecodes=io+mem,decodes=none:owns=none
[   58.002152] NVRM: loading NVIDIA UNIX x86_64 Kernel Module  460.91.03  Fri 
Jul  2 06:04:10 UTC 2021
[   58.719656] nvidia-modeset: Loading NVIDIA Kernel Mode Setting Driver for 
UNIX platforms  460.91.03  Fri Jul  2 05:43:38 UTC 2021
[ 1323.184265] nvidia_uvm: module uses symbols from proprietary module nvidia, 
inheriting taint.
[ 1323.188690] nvidia-uvm: Loaded the UVM driver, major device number 235.

example from daemon.log:
bumblebeed[2497]: [ 6557.498556] [ERROR][XORG] (EE) event12 - Chicony HP 
Business Slim Keyboard: client bug: event processing lagging behind by 37ms, 
your system is too slow
bumblebeed[2497]: [12041.977007] [WARN][XORG] (WW) Option "xkb_variant" 
requires a string value
bumblebeed[2497]: [12041.977032] [WARN][XORG] (WW) Option "xkb_options" 
requires a string value
bumblebeed[2497]: [12042.041339] [WARN][XORG] (WW) Option "xkb_variant" 
requires a string value
bumblebeed[2497]: [12042.041409] [WARN][XORG] (WW) Option "xkb_options" 
requires a string value
bumblebeed[2497]: [12042.042333] [ERROR][XORG] (EE) event16 - PixArt HP USB 
Optical Mouse: client bug: event processing lagging behind by 42ms, your system 
is too slow
gnome-shell[8920]: Window manager warning: Overwriting existing binding of 
keysym 31 with keysym 26 (keycode a).
gnome-shell[8920]: Window manager warning: Overwriting existing binding of 
keysym 32 with keysym e9 (keycode b).
gnome-shell[8920]: Window manager warning: Overwriting existing binding of 
keysym 33 with keysym 22 (keycode c).
gnome-shell[8920]: Window manager warning: Overwriting existing binding of 
keysym 34 with keysym 27 (keycode d).
rtkit-daemon[2949]: Supervising 14 threads of 5 processes of 1 users.
rtkit-daemon[2949]: Successfully made thread 18351 of process 8927 owned by 
'1000' RT at priority 5.
rtkit-daemon[2949]: Supervising 15 threads of 5 processes of 1 users.
rtkit-daemon[2949]: Supervising 15 threads of 5 processes of 1 users.
rtkit-daemon[2949]: Successfully made thread 18352 of process 8927 owned by 
'1000' RT at priority 5.
rtkit-daemon[2949]: Supervising 16 threads of 5 processes of 1 users.
gnome-shell[8920]: Window manager warning: Overwriting existing binding of 
keysym 31 with keysym 26 (keycode a).
gnome-shell[8920]: Window manager warning: Overwriting existing binding of 
keysym 32 with keysym e9 (keycode b).
gnome-shell[8920]: Window manager warning: Overwriting existing binding of 
keysym 33 with keysym 22 (keycode c).
gnome-shell[8920]: Window manager warning: Overwriting existing binding of 
keysym 34 with keysym 27 (keycode d).

$ cpu-info 
Packages:
        0: Intel Core i9-9880H
Microarchitectures:
        8x Sky Lake

$ w
 15:56:11 up  1:03,  1 user,  load average: 1,51, 1,69, 1,59

-- System Information:
Debian Release: 11.2
  APT prefers stable-updates
  APT policy: (500, 'stable-updates'), (500, 'stable-security'), (500, 'stable')
Architecture: amd64 (x86_64)

Kernel: Linux 5.10.0-10-amd64 (SMP w/16 CPU threads)
Kernel taint flags: TAINT_PROPRIETARY_MODULE, TAINT_OOT_MODULE, 
TAINT_UNSIGNED_MODULE
Locale: LANG=nl_BE.UTF-8, LC_CTYPE=nl_BE.UTF-8 (charmap=UTF-8), 
LANGUAGE=nl_BE:nl
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages libinput10 depends on:
ii  libc6         2.31-13+deb11u2
ii  libevdev2     1.11.0+dfsg-1
ii  libinput-bin  1.16.4-3
ii  libmtdev1     1.1.6-1
ii  libudev1      247.3-6
ii  libwacom2     1.8-2

libinput10 recommends no packages.

libinput10 suggests no packages.

-- no debconf information

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