Cleanup. __group_complete_signal() wakes up ->group_exit_task twice. The second wakeup's state includes TASK_UNINTERRUPTIBLE, which is not very appropriate.
Change the code to pass the "correct" argument to signal_wake_up() and kill now unneeded wake_up_process(). Signed-off-by: Oleg Nesterov <[EMAIL PROTECTED]> --- t/kernel/signal.c~2_GCS_NOWAKEUP 2007-08-12 19:48:26.000000000 +0400 +++ t/kernel/signal.c 2007-08-17 20:23:59.000000000 +0400 @@ -911,8 +911,7 @@ __group_complete_signal(int sig, struct do { sigaddset(&t->pending.signal, SIGKILL); signal_wake_up(t, 1); - t = next_thread(t); - } while (t != p); + } while_each_thread(p, t); return; } @@ -930,13 +929,11 @@ __group_complete_signal(int sig, struct rm_from_queue(SIG_KERNEL_STOP_MASK, &p->signal->shared_pending); p->signal->group_stop_count = 0; p->signal->group_exit_task = t; - t = p; + p = t; do { p->signal->group_stop_count++; - signal_wake_up(t, 0); - t = next_thread(t); - } while (t != p); - wake_up_process(p->signal->group_exit_task); + signal_wake_up(t, t == p); + } while_each_thread(p, t); return; } - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/