probably the same issue with emacs23: Get:1 http://at.archive.ubuntu.com/ubuntu/ precise/universe ecb all 2.40+cvs20110608-2 [817 kB] Fetched 817 kB in 4s (187 kB/s) Selecting previously unselected package ecb. (Reading database ... 458498 files and directories currently installed.) Unpacking ecb (from .../ecb_2.40+cvs20110608-2_all.deb) ... Processing triggers for doc-base ... Processing 1 added doc-base file... Registering documents with scrollkeeper... Processing triggers for install-info ... install-info: warning: no info dir entry in `/usr/share/info/lilypond-usage.info.gz' install-info: warning: no info dir entry in `/usr/share/info/lilypond-learning.info.gz' install-info: warning: no info dir entry in `/usr/share/info/lilypond-extending.info.gz' install-info: warning: no info dir entry in `/usr/share/info/lilypond-snippets.info.gz' install-info: warning: no info dir entry in `/usr/share/info/lilypond-changes.info.gz' install-info: warning: no info dir entry in `/usr/share/info/lilypond-contributor.info.gz' install-info: warning: no info dir entry in `/usr/share/info/lilypond-notation.info.gz' install-info: warning: no info dir entry in `/usr/share/info/music-glossary.info.gz' install-info: warning: no info dir entry in `/usr/share/info/lilypond-essay.info.gz' Setting up ecb (2.40+cvs20110608-2) ... install/ecb: Handling install for emacsen flavor emacs23 Loading 00debian-vars... Loading /etc/emacs/site-start.d/20apel.el (source)... Loading /etc/emacs/site-start.d/50asymptote.el (source)... Loading /etc/emacs23/site-start.d/50auctex.el (source)... Loading /usr/share/emacs/23.3/site-lisp/auctex.el (source)... Loading /usr/share/emacs/23.3/site-lisp/preview-latex.el (source)... Loading /etc/emacs/site-start.d/50autoconf.el (source)... Loading /etc/emacs/site-start.d/50cedet-common.el (source)... Loading /etc/emacs/site-start.d/50cmake-data.el (source)... Loading /etc/emacs/site-start.d/50devhelp.el (source)... Loading /etc/emacs/site-start.d/50dictionaries-common.el (source)... Loading debian-ispell... Loading /var/cache/dictionaries-common/emacsen-ispell-default.el (source)... Loading /var/cache/dictionaries-common/emacsen-ispell-dicts.el (source)... Loading /etc/emacs/site-start.d/50ecb.el (source)... "/usr/share/emacs23/site-lisp/cedet-common/" added to `load-path' "/usr/share/emacs23/site-lisp/cedet-common/" added to `load-path' Error while loading 50ecb: Failed to find version for newly installed cedet Loading /etc/emacs/site-start.d/50eieio.el (source)... Loading /etc/emacs/site-start.d/50flim.el (source)... Loading /etc/emacs/site-start.d/50git-core.el (source)... Loading /etc/emacs/site-start.d/50lilypond-data.el (source)... Loading /etc/emacs/site-start.d/50lua-mode.el (source)... Loading /etc/emacs/site-start.d/50psvn.el (source)... Loading /etc/emacs/site-start.d/50w3m-el.el (source)... Loading /etc/emacs/site-start.d/51ede.el (source)... Loading /etc/emacs/site-start.d/51speedbar.el (source)... Loading /etc/emacs/site-start.d/52semantic.el (source)... Loading /etc/emacs/site-start.d/53cedet-contrib.el (source)... Loading /etc/emacs/site-start.d/53cogre.el (source)... Loading /etc/emacs/site-start.d/55ecb.el (source)... Error while loading 55ecb: Cannot open load file: ecb-autoloads "/usr/share/emacs23/site-lisp/cedet-common/" added to `load-path' "/usr/share/emacs23/site-lisp/cedet-common/" added to `load-path' In toplevel form: ecb-advice-test.el:46:1:Error: Failed to find version for newly installed cedet "/usr/share/emacs23/site-lisp/cedet-common/" added to `load-path' "/usr/share/emacs23/site-lisp/cedet-common/" added to `load-path' In toplevel form: ecb-analyse.el:34:1:Error: Failed to find version for newly installed cedet Wrote /usr/share/emacs23/site-lisp/ecb/ecb-autogen.elc In toplevel form: ecb-buffertab.el:51:1:Error: Symbol's function definition is void: defecb-autocontrol/sync-function Wrote /usr/share/emacs23/site-lisp/ecb/ecb-cedet-wrapper.elc "/usr/share/emacs23/site-lisp/cedet-common/" added to `load-path' "/usr/share/emacs23/site-lisp/cedet-common/" added to `load-path' In toplevel form: ecb-common-browser.el:47:1:Error: Failed to find version for newly installed cedet "/usr/share/emacs23/site-lisp/cedet-common/" added to `load-path' "/usr/share/emacs23/site-lisp/cedet-common/" added to `load-path' In toplevel form: ecb-compatibility.el:44:1:Error: Failed to find version for newly installed cedet Wrote /usr/share/emacs23/site-lisp/ecb/ecb-compilation.elc In toplevel form: ecb-create-layout.el:49:1:Error: Symbol's value as variable is void: ecb-compilation-buffer-list-changed-p In toplevel form: ecb-cycle.el:66:1:Error: Symbol's value as variable is void: ecb-compilation-buffer-list-changed-p In toplevel form: ecb-eshell.el:80:1:Error: Symbol's value as variable is void: ecb-compilation-buffer-list-changed-p "/usr/share/emacs23/site-lisp/cedet-common/" added to `load-path' "/usr/share/emacs23/site-lisp/cedet-common/" added to `load-path' In toplevel form: ecb-examples.el:62:1:Error: Failed to find version for newly installed cedet Wrote /usr/share/emacs23/site-lisp/ecb/ecb-face.elc "/usr/share/emacs23/site-lisp/cedet-common/" added to `load-path' "/usr/share/emacs23/site-lisp/cedet-common/" added to `load-path' In toplevel form: ecb-file-browser.el:36:1:Error: Failed to find version for newly installed cedet "/usr/share/emacs23/site-lisp/cedet-common/" added to `load-path' "/usr/share/emacs23/site-lisp/cedet-common/" added to `load-path' In toplevel form: ecb-help.el:43:1:Error: Failed to find version for newly installed cedet "/usr/share/emacs23/site-lisp/cedet-common/" added to `load-path' "/usr/share/emacs23/site-lisp/cedet-common/" added to `load-path' In toplevel form: ecb-jde.el:57:1:Error: Failed to find version for newly installed cedet "/usr/share/emacs23/site-lisp/cedet-common/" added to `load-path' "/usr/share/emacs23/site-lisp/cedet-common/" added to `load-path' In toplevel form: ecb-layout-defs.el:46:1:Error: Failed to find version for newly installed cedet "/usr/share/emacs23/site-lisp/cedet-common/" added to `load-path' "/usr/share/emacs23/site-lisp/cedet-common/" added to `load-path' In toplevel form: ecb-layout.el:119:1:Error: Failed to find version for newly installed cedet "/usr/share/emacs23/site-lisp/cedet-common/" added to `load-path' "/usr/share/emacs23/site-lisp/cedet-common/" added to `load-path' In toplevel form: ecb-method-browser.el:35:1:Error: Failed to find version for newly installed cedet Wrote /usr/share/emacs23/site-lisp/ecb/ecb-mode-line.elc Wrote /usr/share/emacs23/site-lisp/ecb/ecb-multiframe.elc "/usr/share/emacs23/site-lisp/cedet-common/" added to `load-path' "/usr/share/emacs23/site-lisp/cedet-common/" added to `load-path' In toplevel form: ecb-navigate.el:42:1:Error: Failed to find version for newly installed cedet "/usr/share/emacs23/site-lisp/cedet-common/" added to `load-path' In toplevel form: ecb-semantic-wrapper.el:40:1:Error: Failed to find version for newly installed cedet "/usr/share/emacs23/site-lisp/cedet-common/" added to `load-path' "/usr/share/emacs23/site-lisp/cedet-common/" added to `load-path' In toplevel form: ecb-semantic.el:32:1:Error: Failed to find version for newly installed cedet "/usr/share/emacs23/site-lisp/cedet-common/" added to `load-path' "/usr/share/emacs23/site-lisp/cedet-common/" added to `load-path' In toplevel form: ecb-speedbar.el:68:1:Error: Failed to find version for newly installed cedet "/usr/share/emacs23/site-lisp/cedet-common/" added to `load-path' "/usr/share/emacs23/site-lisp/cedet-common/" added to `load-path' In toplevel form: ecb-symboldef.el:49:1:Error: Failed to find version for newly installed cedet Wrote /usr/share/emacs23/site-lisp/ecb/ecb-tod.elc "/usr/share/emacs23/site-lisp/cedet-common/" added to `load-path' "/usr/share/emacs23/site-lisp/cedet-common/" added to `load-path' In toplevel form: ecb-upgrade.el:1150:1:Error: Failed to find version for newly installed cedet Wrote /usr/share/emacs23/site-lisp/ecb/ecb-util.elc "/usr/share/emacs23/site-lisp/cedet-common/" added to `load-path' "/usr/share/emacs23/site-lisp/cedet-common/" added to `load-path' In toplevel form: ecb-winman-support.el:101:1:Error: Failed to find version for newly installed cedet "/usr/share/emacs23/site-lisp/cedet-common/" added to `load-path' "/usr/share/emacs23/site-lisp/cedet-common/" added to `load-path' In toplevel form: ecb.el:141:1:Error: Failed to find version for newly installed cedet Wrote /usr/share/emacs23/site-lisp/ecb/follow-mouse.elc Wrote /usr/share/emacs23/site-lisp/ecb/silentcomp.elc Wrote /usr/share/emacs23/site-lisp/ecb/tree-buffer.elc emacs-package-install: /usr/lib/emacsen-common/packages/install/ecb emacs23 emacs23 failed at /usr/lib/emacsen-common/emacs-package-install line 30, line 1. dpkg: error processing ecb (--configure): subprocess installed post-installation script returned error exit status 1 Errors were encountered while processing: ecb E: Sub-process /usr/bin/dpkg returned an error code (1)