On 08/07, Zihuan Zhang wrote: > > @@ -6980,6 +6981,7 @@ void __noreturn do_task_dead(void) > current->flags |= PF_NOFREEZE; > > __schedule(SM_NONE); > + freeze_set_default_priority(current, FREEZE_PRIORITY_NEVER); > BUG(); But this change has no effect? Firstly, this last __schedule() should not return, note the BUG() we have. Secondly, this zombie is already PF_NOFREEZE, freeze_task() will return false anyway. Oleg.