diff --git a/sys/kern/kern_shutdown.c b/sys/kern/kern_shutdown.c
--- a/sys/kern/kern_shutdown.c
+++ b/sys/kern/kern_shutdown.c
@@ -111,6 +111,10 @@
 SYSCTL_INT(_kern, OID_AUTO, panic_reboot_wait_time, CTLFLAG_RWTUN,
     &panic_reboot_wait_time, 0,
     "Seconds to wait before rebooting after a panic");
+static int reboot_wait_time = 0;
+SYSCTL_INT(_kern, OID_AUTO, reboot_wait_time, CTLFLAG_RWTUN,
+    &reboot_wait_time, 0,
+    "Seconds to wait before rebooting");
 
 /*
  * Note that stdarg.h and the ANSI style va_start macro is used for both
@@ -710,7 +714,7 @@
 {
 
 	printf("Rebooting...\n");
-	DELAY(1000000);	/* wait 1 sec for printf's to complete and be read */
+	DELAY(reboot_wait_time * 1000000);
 
 	/*
 	 * Acquiring smp_ipi_mtx here has a double effect: