Wakeup GPE hasn't a handler. If system is waked up by such GPE like a
USB hotplug, I saw a lot of error reporting the GPE hasn't handler.
acpi_leave_sleep_state will clear the GPE but it's too late, we should
doe it before interrupt is re-enabled.
Maybe we should just clear wakeup GPE here, but clear all GPEs sounds
not harmful in my test. Not sure other systems.
Index: 2.6.22-rc/drivers/acpi/sleep/main.c
===================================================================
--- 2.6.22-rc.orig/drivers/acpi/sleep/main.c 2007-06-11 15:31:03.000000000
+0800
+++ 2.6.22-rc/drivers/acpi/sleep/main.c 2007-06-14 09:31:54.000000000 +0800
@@ -104,6 +104,8 @@
if (ACPI_SUCCESS(status) && (acpi_state == ACPI_STATE_S3))
acpi_clear_event(ACPI_EVENT_POWER_BUTTON);
+ acpi_hw_disable_all_gpes();
+
local_irq_restore(flags);
printk(KERN_DEBUG "Back to C!\n");
-
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