commit 87afdf2624527b065e59cc018b0403ee016d6cf0
Author: Alexander V Vershilov <qnikst@gentoo.org>
Date:   Sat May 25 17:37:56 2013 +0400

    cgroup: hide warning messages about non-existent processes

diff --git a/sh/rc-cgroup.sh.in b/sh/rc-cgroup.sh.in
index 81fc7d8..d96aa16 100644
--- a/sh/rc-cgroup.sh.in
+++ b/sh/rc-cgroup.sh.in
@@ -115,7 +115,7 @@ cgroup_cleanup()
 				cgroup_get_pids || { eend 0 "finished" ; return 0 ; }
 				sleep 1
 			done
-		done
+		done 2>/dev/null
 	done
 	cgroup_get_pids || { eend 0 "finished" ; return 0; }
 	kill -9 $pids