On 16/02/2022 17:06, Stephan Althaus wrote:
Hello!I am looking for hints to diagnose the builtin touchpad.It should work on the device node /dev/kdmouse and the old PS/2 driver mouse8042On an older laptop (HP Elitebook 2530p) with OI 2021.10 booted from usb, the following dtrace script shows "fbt::mouse8042_intr" events: fbt::mouse8042_intr:return, fbt::mouse8042_process_msg:return { printf("%s returned %d \n", probefunc, arg1); } on the newer laptop (Dell Precision 7720) there are no events.. What can i do to dig deeper ? Any hints are welcome! Stephan
Under Linux, they appear as a I2C HID device.
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