Good to have confirmation from another source; thank you. Given you're on Windows, that seems to indicate it is a driver issue or, worse, a device-level issue. Hopefully, the former.
-- Advanced Applications Rod Barnes On Thu, Apr 2, 2026, 11:10 AM Launchpad Bug Tracker < [email protected]> wrote: > Status changed to 'Confirmed' because the bug affects multiple users. > > ** Changed in: linux (Ubuntu) > Status: New => Confirmed > > -- > You received this bug notification because you are subscribed to the bug > report. > https://bugs.launchpad.net/bugs/2146485 > > Title: > IdeaPad Slim 5 16AKP10 (83HY): intermittent keyboard keystroke drops > at i8042 kernel driver level > > Status in linux package in Ubuntu: > Confirmed > > Bug description: > On a Lenovo IdeaPad Slim 5 16AKP10 (model 83HY), the built-in keyboard > intermittently begins dropping keystrokes after a variable uptime > (sometimes hours, sometimes days). The issue clears on reboot and does > not persist across power cycles. > > Hardware: > System: Lenovo IdeaPad Slim 5 16AKP10 (83HY) > BIOS: R0CN22WW > OS: Linux Mint 22.3 > Kernel: 6.17.0-14-generic and 6.17.0-19-generic (issue present on both) > > Diagnosis: > evtest confirms keystroke drops are occurring at the kernel input driver > level, not in X11 or the compositor > > dmesg shows no i8042 errors during affected sessions > > /proc/interrupts shows normal i8042 interrupt counts during the > problem > > Memory, swap, CPU load, and thermals are all normal during affected > sessions > > The i8042 module is built-in and cannot be reloaded to recover without > a full reboot > > Boot parameter i8042.nopnp (added based on kernel warning at boot: > "PS/2 appears to have AUX port disabled, if this is incorrect please > boot with i8042.nopnp") improved perceived keyboard latency but did > not prevent recurrence of drops > > TLP 1.6.1 is installed and manages power; forcing USB autosuspend to > "on" during an affected session did not resolve the issue > > $ cat /proc/interrupts | grep i8042 > 1: 0 28512 0 0 0 0 > 0 0 0 0 0 0 > 0 0 0 0 IR-IO-APIC 1-edge i8042 > > Kernel boot messages: > i8042: PNP detection disabled > serio: i8042 KBD port at 0x60,0x64 irq 1 > input: AT Translated Set 2 keyboard as > /devices/platform/i8042/serio0/input/input2 > Current kernel cmdline: > quiet splash kvm.enable_virt_at_load=0 i8042.nopnp > > Expected behavior: Keyboard input should be reliable throughout a > session without requiring a reboot to restore normal function. > > Workaround: Reboot restores normal keyboard function until the issue > recurs. > > Possibly significant point: I am a fast typist but I experience this > even when typing very slowly. > > Attached archive contains: > $ cat /proc/version_signature > ~/version.log > $ sudo lspci -vnvn > ~/lspci-vnvn.log > $ sudo dmesg > ~/dmesg.log > $ cat /proc/interrupts > ~/interrupts.log > > To manage notifications about this bug go to: > https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2146485/+subscriptions > > -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2146485 Title: IdeaPad Slim 5 16AKP10 (83HY): intermittent keyboard keystroke drops at i8042 kernel driver level To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2146485/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
