--- ./arch/um/kernel/trap_kern.c.fix	2004-02-20 18:43:26.000000000 +0100
+++ ./arch/um/kernel/trap_kern.c	2004-02-29 17:12:49.000000000 +0100
@@ -74,13 +74,7 @@
 			err = -ENOMEM;
 			goto out_of_memory;
 		default:
-			if (current->pid == 1) {
-				up_read(&mm->mmap_sem);
-				yield();
-				down_read(&mm->mmap_sem);
-				goto survive;
-			}
-			goto out;
+			BUG();
 		}
 		pte = pte_offset_kernel(pmd, page);
 	} while(!pte_present(*pte));