diff --git a/sys/vm/vm_page.c b/sys/vm/vm_page.c
index c09d3dd0ddd0..34be045921ae 100644
--- a/sys/vm/vm_page.c
+++ b/sys/vm/vm_page.c
@@ -90,8 +90,10 @@ __FBSDID("$FreeBSD$");
 
 #include <sys/param.h>
 #include <sys/systm.h>
+#include <sys/conf.h>
 #include <sys/lock.h>
 #include <sys/domainset.h>
+#include <sys/kdb.h>
 #include <sys/kernel.h>
 #include <sys/limits.h>
 #include <sys/linker.h>
@@ -1708,6 +1710,9 @@ vm_page_alloc_domain_after(vm_object_t object, vm_pindex_t pindex, int domain,
 	if (object != NULL)
 		VM_OBJECT_ASSERT_WLOCKED(object);
 
+	if (dumping)
+		kdb_backtrace();
+
 again:
 	m = NULL;
 #if VM_NRESERVLEVEL > 0