On Thu, Sep 30, 2021 at 9:15 AM Andy Shevchenko <andy.shevchenko@xxxxxxxxx> wrote: > On Thu, Sep 30, 2021 at 1:40 AM Florian Eckert <fe@xxxxxxxxxx> wrote: ... > > > 5) as Mika suggested, have you checked the kernel configuration? > > > > I have now switched on the suggested option > > CONFIG_ACPI_CUSTOM_METHOD=y > > CONFIG_ACPI_TABLE_UPGRADE=y > > CONFIG_CONFIGFS_FS=y > > CONFIG_ACPI_CONFIGFS=y > > CONFIG_ACPI_DEBUG=y > > > > But this did not solved my issue loading ssdt during runtime. > > It won't as explained in 4) above. It won't _alone_ solve it, i.o.w. it's required but not sufficient. Means you have to keep these configuration options enabled. -- With Best Regards, Andy Shevchenko