2 files changed, 7 insertions(+), 1 deletions(-)

M port/devproc.c
M port/proc.c

@@ 980,6 980,9 @@ procctlreq(Proc *p, char *va, int n)
 	int i, npc;
 	char buf[64];
 
+	if(p->kp)	/* no ctl requests to kprocs */
+		error(Eperm);
+
 	kstrcpy(buf, va, sizeof buf);
 
 	if(strncmp(buf, "stop", 4) == 0)

@@ 475,7 475,10 @@ sleep(Rendez *r, int (*f)(void*), void *arg)
 	if(up->notepending) {
 		up->notepending = 0;
 		splx(s);
-		error(Eintr);
+		if(up->kp)
+			print("attempt to interrupt %ld %s\n", up->pid, up->text);
+		else
+			error(Eintr);
 	}
 
 	splx(s);