Although I'm using OS ALT but I performed pretty much similar steps to patch the ACPI DSDT table.
> In my case the output dsdt.dsl file contained some invalid error output lines [...] I also got multiple error messages which I commented for compile to succeed /* *Firmware Error (ACPI): Could not resolve symbol [^GFX0.CLID], AE_NOT_FOUND (20190509/dswload-496) *Firmware Error (ACPI): Could not resolve symbol [^^PEG0.PEGP.DD1F], AE_NOT_FOUND (20190509/dswload-496) [...] *Firmware Error (ACPI): Could not resolve symbol [^^^UBTC.STS7], AE_NOT_FOUND (20190509/dswload2-477) */ > # Create or update /boot/grub/custom.cfg to contain > acpi /fixed_dsdt.aml In my case I used initrdefi grub command to overlay ACPI table: initrdefi /boot/acpi_override /boot/initrd.img -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1853277 Title: Lenovo ThinkBook 14-IML Touchpad not showing up in /proc/bus/input/devices To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1853277/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
