The leading other brand OS appears to clear the WAK_STS flag on resume. When rebooted, certain BIOSes assume that the system is actually resuming if it's still set and so fail to reboot correctly. Make sure that it's cleared at resume time. Signed-off-by: Matthew Garrett <mjg@xxxxxxxxxx> --- I've had it confirmed by AMI that some of their BIOSes make this assumption - there may well be others out there as well. diff --git a/drivers/acpi/hardware/hwsleep.c b/drivers/acpi/hardware/hwsleep.c index dba3cfb..1cda856 100644 --- a/drivers/acpi/hardware/hwsleep.c +++ b/drivers/acpi/hardware/hwsleep.c @@ -627,6 +627,9 @@ acpi_status acpi_leave_sleep_state(u8 sleep_state) } /* TBD: _WAK "sometimes" returns stuff - do we want to look at it? */ + /* Clear wake status */ + acpi_set_register(ACPI_BITREG_WAKE_STATUS, 1); + acpi_gbl_system_awake_and_running = TRUE; /* Enable power button */ -- Matthew Garrett | mjg59@xxxxxxxxxxxxx -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
