--- fakeroot-1.21/communicate.c.orig	2016-12-02 17:46:15.754013876 +0200
+++ fakeroot-1.21/communicate.c	2016-12-02 17:47:42.755155118 +0200
@@ -553,7 +553,7 @@
       l=msgrcv(msg_get,
                (struct my_msgbuf*)buf,
                sizeof(*buf)-sizeof(buf->mtype),0,0);
-    while((buf->serial!=serial)||buf->pid!=pid);
+    while((l==-1&&errno==EINTR)||(buf->serial!=serial)||buf->pid!=pid);
 
     semaphore_down();