My gimp has crashed twice today, both times rotating a selection. I'm using GIMP version 1.1.22 -- with a big mushroom-cloud "PRERELEASE" on the splash screen. I suppose I'll change versions. kwidget.c: line 1830 (gtk_widget_queue_draw): assertion `widget != NULL' failed. Gtk-CRITICAL **: file gtkwidget.c: line 1831 (gtk_widget_queue_draw): assertion `GTK_IS_WIDGET (widget)' failed. gimp: fatal error: Segmentation fault gimp (pid:8622): [E]xit, [H]alt, show [S]tack trace or [P]roceed: s gimp (pid:8622): [E]xit, [H]alt, show [S]tack trace or [P]roceed: S #0 0x4017f3f1 in g_on_error_stack_trace (prg_name=0xbffff7da "gimp") #1 0x4017f303 in g_on_error_query (prg_name=0xbffff7da "gimp") at gerror.c:133 #2 0x80b2fc9 in gimp_fatal_error (fmt=0x40374430 "Segmentation fault") #3 0x8109baf in gimp_sigfatal_handler (sig_num=11) at main.c:435 #4 0x402acc68 in __restore () #5 0x80fe736 in invalidate_preview_callback (widget=0x8621c78, #6 0x400aa05d in gtk_marshal_NONE__NONE (object=0x8621c78, #7 0x400d779d in gtk_handlers_run (handlers=0x8616248, signal=0xbfffe784, #8 0x400d6be2 in gtk_signal_real_emit (object=0x8621c78, signal_id=155, #9 0x400d4d35 in gtk_signal_emit (object=0x8621c78, signal_id=155) #10 0x8168efd in gimp_drawable_invalidate_preview (drawable=0x8621c78) #11 0x80af649 in drawable_update (drawable=0x8621c78, x=0, y=0, w=120, h=60) #12 0x815c077 in transform_core_paste (gimage=0x8607288, drawable=0x8621c78, #13 0x8159355 in transform_core_doit (tool=0x85b2e60, gdisp_ptr=0x85f2250) #14 0x8158bf0 in transform_ok_callback (widget=0x8596eb0, data=0x85b2e60) #15 0x400aa05d in gtk_marshal_NONE__NONE (object=0x8596eb0, #16 0x400d779d in gtk_handlers_run (handlers=0x85c73f0, signal=0xbfffeb70, #17 0x400d6be2 in gtk_signal_real_emit (object=0x8596eb0, signal_id=103, #18 0x400d4d35 in gtk_signal_emit (object=0x8596eb0, signal_id=103) #19 0x40049888 in gtk_button_clicked (button=0x8596eb0) at gtkbutton.c:338 #20 0x4004ae78 in gtk_real_button_released (button=0x8596eb0) #21 0x400aa05d in gtk_marshal_NONE__NONE (object=0x8596eb0, #22 0x400d6a9b in gtk_signal_real_emit (object=0x8596eb0, signal_id=102, #23 0x400d4d35 in gtk_signal_emit (object=0x8596eb0, signal_id=102) #24 0x400497c8 in gtk_button_released (button=0x8596eb0) at gtkbutton.c:329 #25 0x4004a832 in gtk_button_button_release (widget=0x8596eb0, event=0x829cd68) #26 0x400a9c29 in gtk_marshal_BOOL__POINTER (object=0x8596eb0, #27 0x400d6c1b in gtk_signal_real_emit (object=0x8596eb0, signal_id=21, #28 0x400d4d35 in gtk_signal_emit (object=0x8596eb0, signal_id=21) #29 0x4010a0fc in gtk_widget_event (widget=0x8596eb0, event=0x829cd68) #30 0x400a9b82 in gtk_propagate_event (widget=0x8596eb0, event=0x829cd68) #31 0x400a8dda in gtk_main_do_event (event=0x829cd68) at gtkmain.c:770 #32 0x4015350b in gdk_event_dispatch (source_data=0x0, #33 0x40182f96 in g_main_dispatch (dispatch_time=0xbffff5cc) at gmain.c:656 #34 0x40183561 in g_main_iterate (block=1, dispatch=1) at gmain.c:877 #35 0x40183701 in g_main_run (loop=0x85c9670) at gmain.c:935 #36 0x400a8719 in gtk_main () at gtkmain.c:476 #37 0x8109b28 in main (argc=2, argv=0xbffff684) at main.c:371