From a command line start, gimp tries to start and load stuff, but then this:
This is a development version of GIMP. Debug messages may appear here.
(gimp:6339): Gimp-Widgets-CRITICAL **: gimp_device_info_set_device: assertion '(info->device == NULL && GDK_IS_DEVICE (device)) || (GDK_IS_DEVICE (info->device) && device == NULL)' failed
mapped '<Toolbox>/Xtns/Batch/Batch Process...' to '<Image>/Filters/Extensions/Batch/Batch Process...'
mapped '<Toolbox>/Xtns/Misc' to '<Image>/File/Create/Misc'
mapped '<Toolbox>/Xtns/Photo' to '<Image>/Filters/Extensions/Photo'
gimp: ../../../../src/cairo-scaled-font.c:459: _cairo_scaled_glyph_page_destroy: Assertion `!scaled_font->cache_frozen' failed.
gimp: terminated: Aborted
(script-fu:6367): LibGimpBase-WARNING **: script-fu: gimp_wire_read(): error
This is after a purge or two. Installed from Ubuntu Software Center.