--- linux-2.5.8-pre1-clean/kernel/exit.c	Thu Apr  4 08:58:31 2002
+++ linux/kernel/exit.c	Thu Apr  4 10:19:37 2002
@@ -499,6 +499,11 @@
 	acct_process(code);
 	__exit_mm(tsk);
 
+	/* I removed the lock_kernel() from here.  It caused preempt kernels
+	   to oops.  This fixes it for now, but the real cause needs to 
+	   be found.  
+           - Dave Hansen <haveblue@us.ibm.com> 04-04-2002 */
+	preempt_disable();
 	sem_exit();
 	__exit_files(tsk);
 	__exit_fs(tsk);
@@ -515,6 +520,7 @@
 
 	tsk->exit_code = code;
 	exit_notify();
+	preempt_enable_no_resched(); /* partner of above preempt_disable(); */
 	schedule();
 	BUG();
 /*