On Wed, Feb 23, 2022 at 02:31:52PM +0100, Hans de Goede wrote: > These tablets' DSDT does not set acpi_gbl_reduced_hardware, so > acpi_power_off gets used as pm_power_off handler. This causes "poweroff" > on these tablets to hang hard. Requiring pressing the powerbutton for > 30 seconds *twice* followed by a normal 3 second press to recover. > > Avoid this by overriding the global pm_power_off handler to do > an EFI poweroff instead. Oh, you eventually found the root cause (reduced HW bit)? Perhaps we need to enforce it based on a quirk? -- With Best Regards, Andy Shevchenko
