Not reproduced with Inkscape 0.48+devel r10101 on OS X 10.5.8 (i386),
gtk2 @2.22.1_1+no_x11+quartz
Maybe I didn't wait long enough, or it is triggered by certain combination of settings. The backtrace seems to indicate a similar underlying error in Gtk+/quartz as in bug #487144.
Not reproduced with Inkscape 0.48+devel r10101 on OS X 10.5.8 (i386), 1+no_x11+ quartz
gtk2 @2.22.1_
Maybe I didn't wait long enough, or it is triggered by certain combination of settings. The backtrace seems to indicate a similar underlying error in Gtk+/quartz as in bug #487144.