[SOLVED] Lost Wireless Mouse after Kernel Upgrade

[Headwinds]

After rebooting from yesterday's 5.4.0-73 kernel upgrade, my Logitech wireless mouse has stopped working. Reverting to 5.4.0-72 or earlier kernels doesn't restore mouse function. The mouse pointer is visible in the center of the screen, but doesn't move.

I did the kernel upgrade on three machines that were all working fine before the post-upgrade reboot; one (a laptop, the newest of the three) still works normally, but the other two (desktops) have stopped accepting mouse input. The three machines have the same operating system and same type of mouse. Swapping mice doesn't make any difference.

Numerous reboots haven't resulted in any change. Nor has unplugging the USB mouse transmitter, waiting several minutes and plugging it back in.

I can open a terminal window and type commands, but don't know what to do next.

Kernel: 5.4.0-73-generic x86_64 bits: 64 compiler: gcc v: 9.3.0 Desktop: Cinnamon 4.6.7 wm: muffin dm: LightDM Distro: Linux Mint 20 Ulyana base: Ubuntu 20.04 focal

[spamegg]

Please give us information about your install by entering this command in a terminal:

Code: Select all

inxi -Fxpmrz

Click </> from the mini toolbar above the textbox where you type your reply
and then place your cursor between the code markers and paste the results of the
command between the code markers like this: [code]Results[/code].

[Headwinds]

NOTE: I tried a wired mouse this morning, and it works fine.

Code: Select all

System:
  Kernel: 5.4.0-73-generic x86_64 bits: 64 compiler: gcc v: 9.3.0 
  Desktop: Cinnamon 4.6.7 Distro: Linux Mint 20 Ulyana 
  base: Ubuntu 20.04 focal 
Machine:
  Type: Desktop Mobo: MSI model: Z87M-G43 (MS-7823) v: 1.0 serial: <filter> 
  BIOS: American Megatrends v: 2.7 date: 05/30/2014 
Memory:
  RAM: total: 31.31 GiB used: 1.70 GiB (5.4%) 
  RAM Report: 
  permissions: Unable to run dmidecode. Root privileges required. 
CPU:
  Topology: Quad Core model: Intel Core i7-4770 bits: 64 type: MT MCP 
  arch: Haswell rev: 3 L2 cache: 8192 KiB 
  flags: avx avx2 lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx 
  bogomips: 54396 
  Speed: 2300 MHz min/max: 800/3900 MHz Core speeds (MHz): 1: 2300 2: 2300 
  3: 2300 4: 2300 5: 2303 6: 2301 7: 2303 8: 2300 
Graphics:
  Device-1: NVIDIA GM107 [GeForce GTX 750] vendor: eVga.com. driver: nouveau 
  v: kernel bus ID: 01:00.0 
  Display: x11 server: X.Org 1.20.9 driver: modesetting unloaded: fbdev,vesa 
  resolution: 1920x1080~60Hz 
  OpenGL: renderer: NV117 v: 4.3 Mesa 20.2.6 direct render: Yes 
Audio:
  Device-1: Intel 8 Series/C220 Series High Definition Audio 
  vendor: Micro-Star MSI driver: snd_hda_intel v: kernel bus ID: 00:1b.0 
  Device-2: NVIDIA GM107 High Definition Audio [GeForce 940MX] 
  vendor: eVga.com. driver: snd_hda_intel v: kernel bus ID: 01:00.1 
  Sound Server: ALSA v: k5.4.0-73-generic 
Network:
  Device-1: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet 
  vendor: Micro-Star MSI driver: r8169 v: kernel port: d000 bus ID: 03:00.0 
  IF: enp3s0 state: up speed: 1000 Mbps duplex: full mac: <filter> 
Drives:
  Local Storage: total: 931.51 GiB used: 158.84 GiB (17.1%) 
  ID-1: /dev/sda vendor: Seagate model: ST1000DX001-1CM162 size: 931.51 GiB 
Partition:
  ID-1: / size: 883.46 GiB used: 158.84 GiB (18.0%) fs: ext4 dev: /dev/sda5 
  ID-2: /boot/efi size: 512.0 MiB used: 4 KiB (0.0%) fs: vfat dev: /dev/sda4 
Sensors:
  System Temperatures: cpu: 29.8 C mobo: 27.8 C gpu: nouveau temp: 25 C 
  Fan Speeds (RPM): N/A 
Repos:
  No active apt repos in: /etc/apt/sources.list 
  Active apt repos in: /etc/apt/sources.list.d/official-package-repositories.list 
  1: deb http://mirror.cs.jmu.edu/pub/linuxmint/packages ulyana main upstream import backport
  2: deb http://archive.linux.duke.edu/ubuntu focal main restricted universe multiverse
  3: deb http://archive.linux.duke.edu/ubuntu focal-updates main restricted universe multiverse
  4: deb http://archive.linux.duke.edu/ubuntu focal-backports main restricted universe multiverse
  5: deb http://security.ubuntu.com/ubuntu/ focal-security main restricted universe multiverse
  6: deb http://archive.canonical.com/ubuntu/ focal partner
  Active apt repos in: /etc/apt/sources.list.d/spideroakone.list 
  1: deb https://apt.spideroak.com/ubuntu/ release restricted
Info:
  Processes: 267 Uptime: 1m Init: systemd runlevel: 5 Compilers: gcc: 9.3.0 
  Shell: bash v: 5.0.17 inxi: 3.0.38 

[Headwinds]

OMG! Can I be so stupid? Two wireless mice that were purchased and installed at the same time . . . both mice decide to stop working at the same time just after a Kernel upgrade. Wired mice work fine. What could be wrong? The mouse batteries, of course!

SOLVED. Sorry for bothering the Forum with this. Maybe it will help someone.

[spamegg]

Sometimes the most obvious solution escapes us. Glad you worked it out!
Mark your topic as [SOLVED], thank you!