Looks like to related to one ubuntu bug. http://www.toshikikuchi.com/2010/06/emacs-murrinestyledrawbox-assertion.html Toshi Kikuchi: emacs: "murrine_style_draw_box: assertion `height >= -1 failed" solved http://web.archiveorange.com/archive/v/LLXmLdqKQBMSam6ojoVW [NEW] ** (emacs:5902): CRITICAL **: murrine_style_draw_box: assertion `height >= -1' failed - Ubuntu bug tracker changes - HIGH VOLUME - ArchiveOrange http://markmail.org/thread/h5gdbwqhzvb36wsn [Bug 550532] [NEW] ** (emacs:5902): CRITICAL **: murrine_style_draw_box: assertion `height >= -1' failed - Paddy Launch - com.ubuntu.lists.ubuntu-bugs - MarkMail https://bugs.launchpad.net/ubuntu/+source/emacs23/+bug/538541 Bug #538541 in emacs23 (Ubuntu): “murrine_style_draw_box: assertion `height >= -1' failed” Thanks, Denny On Sat, Aug 21, 2010 at 3:05 AM, Andrew Schein wrote: > In my copy of emacs 23.2.1 compiled with gtk support, I have the > following messages reported to my console every time I click within an > emacs > window > > ** (emacs:27890): CRITICAL **: murrine_style_draw_box: assertion > `height >= -1' failed > > The same message occurs with the default Ubuntu package. My guess it > is happening some where in the GTK 2 call stack. In spite of the > CRITICAL warning, emacs functions as expected. > > Is there a way to disable this pesky message? I would be willing to > patch the source. > > Here is some of my system information... > > Linux aschein-PC 2.6.32-23-generic #37-Ubuntu SMP Fri Jun 11 08:03:28 > UTC 2010 x86_64 GNU/Linux > $ emacs -version > GNU Emacs 23.2.1 > > > Cheers, > > Andrew > > -- Thanks & Regards Denny Zhang