diff --git a/ChangeLog b/ChangeLog
index 79eeae387..452455966 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2010-12-25  Vladimir Serbinenko  <phcoder@gmail.com>
+
+	* 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.
+
 2010-12-23  Jordan Uggla  <jordan.uggla@gmail.com>
 
 	* tests/util/grub-shell.in: Suppress "ACPI shutdown failed" error to
diff --git a/grub-core/commands/acpihalt.c b/grub-core/commands/acpihalt.c
index 2789e2eca..9a4cda521 100644
--- a/grub-core/commands/acpihalt.c
+++ b/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
diff --git a/grub-core/kern/mips/yeeloong/init.c b/grub-core/kern/mips/yeeloong/init.c
index cc7c16806..cadb10773 100644
--- a/grub-core/kern/mips/yeeloong/init.c
+++ b/grub-core/kern/mips/yeeloong/init.c
@@ -223,6 +223,8 @@ grub_halt (void)
   grub_outb (grub_inb (GRUB_CPU_LOONGSON_GPIOCFG)
 	     & ~GRUB_CPU_LOONGSON_SHUTDOWN_GPIO, GRUB_CPU_LOONGSON_GPIOCFG);
 
+  grub_millisleep (1500);
+
   grub_printf ("Shutdown failed\n");
   grub_refresh ();
   while (1);
@@ -239,6 +241,8 @@ grub_reboot (void)
 {
   grub_write_ec (GRUB_MACHINE_EC_COMMAND_REBOOT);
 
+  grub_millisleep (1500);
+
   grub_printf ("Reboot failed\n");
   grub_refresh ();
   while (1);