Obviously the /proc/$tc->pid check can only make sense if LOCAL_ACTIVE(). Signed-off-by: Oleg Nesterov <oleg@xxxxxxxxxx> --- kernel.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel.c b/kernel.c index a6fa7a6..6dfc43b 100644 --- a/kernel.c +++ b/kernel.c @@ -2900,7 +2900,7 @@ back_trace(struct bt_info *bt) return; } - if (ACTIVE() && !INSTACK(esp, bt)) { + if (LOCAL_ACTIVE() && !INSTACK(esp, bt)) { sprintf(buf, "/proc/%ld", bt->tc->pid); if (!file_exists(buf, NULL)) error(INFO, "task no longer exists\n"); -- 2.5.0 -- Crash-utility mailing list Crash-utility@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/crash-utility