* grub-core/commands/acpihalt.c (grub_acpi_halt): Sleep for 1.5 before

writing an error message because of async power management.
	* grub-core/kern/mips/yeeloong/init.c (grub_halt): Likewise.
	(grub_reboot): Likewise.

grub-core/commands/acpihalt.c

@@ -36,6 +36,7 @@ typedef uint8_t grub_uint8_t;
 
 #ifndef GRUB_DSDT_TEST
 #include <grub/misc.h>
+#include <grub/time.h>
 #include <grub/cpu/io.h>
 #endif
 
@@ -324,6 +325,8 @@ grub_acpi_halt (void)
 	}
     }
 
+  grub_millisleep (1500);
+
   grub_printf ("ACPI shutdown failed\n");
 }
 #endif