I got the same problem when moving from emacs 24.3 to emacs 24.4 in the upgrade from Fedora 20 to Fedora 21. It's repeatable using the attached inbox. Start "emacs -q", and then M-x vm-visit-folder INBOX M-x vm-summary-faces-mode This gives the error message: Marker points into wrong buffer: # If enabling debugging, I get the backtrace below: Debugger entered--Lisp error: (error "Marker points into wrong buffer" #) goto-char(#) (save-restriction (widen) (goto-char (vm-headers-of (vm-real-message-of m))) (re-search-forward arg (vm-text-of (vm-real-message-of m)) t)) (save-excursion (save-restriction (widen) (goto-char (vm-headers-of (vm-real-message-of m))) (re-search-forward arg (vm-text-of (vm-real-message-of m)) t))) vm-vs-header([[# # # # # #] ["1" " 1" nil # # <<>> <-- From_ "0" # nil nil nil nil nil nil none none # nil] [t nil nil nil nil nil nil nil nil] ["4" "Wednesday" "24" "December" "2014" "20:38:15" "" "