sorry this is not bug , i was a wrong sources.list file
** Changed in: gnome-panel (Ubuntu)
Status: New => Invalid-- build-essential broken packages https://bugs.launchpad.net/bugs/543223 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-panel in ubuntu. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
