After quite some time searching for these icons Ogra pointed them out to me in the source (but nowhere in the installed system as viewable image file). Here is an icon which we can use.
** Attachment added: "hibernate icon for gdm" http://launchpadlibrarian.net/12153014/system-hibernate.png -- Hibernate icon missing in GDM options menu https://bugs.launchpad.net/bugs/180224 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs