diff -urNp 2.4.19pre9ac2/ipc/sem.c 2.4.19pre9ac3/ipc/sem.c
--- 2.4.19pre9ac2/ipc/sem.c	Tue Jan 22 18:54:27 2002
+++ 2.4.19pre9ac3/ipc/sem.c	Fri May 31 02:10:09 2002
@@ -643,6 +643,7 @@ int semctl_main(int semid, int semnum, i
 		for (un = sma->undo; un; un = un->id_next)
 			un->semadj[semnum] = 0;
 		curr->semval = val;
+		curr->sempid = current->pid;
 		sma->sem_ctime = CURRENT_TIME;
 		/* maybe some queued-up processes were waiting for this */
 		update_queue(sma);