Touchpad stops working after resume from suspend

emp74ark · April 12, 2023, 9:59pm

After last update (12.04.2023) of KDE Neon synaptics touchpad stops working after resume from suspend. Enabling/disabling via xinput doesn’t help. No errors in logs and no ideas where to dig

Please help.

emp74ark · April 13, 2023, 12:19pm

Temporary workaround:

switch to older kernel (I don’t have any problems with 5.15.0-69-generic for example)
turn on touchpad after resume without rebooting:

sudo modprobe -r -v rmi_smbus  && sudo modprobe -v rmi_smbus

LorenDB · April 13, 2023, 1:44pm

Does it completely stop working or does it still work if you use 2 fingers instead of one? That’s been a problem for me sometimes, and I think other people have had it too.

emp74ark · April 13, 2023, 2:01pm

Completely stop working.

ngraham · April 13, 2023, 2:39pm

Sounds like a kernel regression TBH.