Re: Three minor GTK (?) problems

[Danilo Segan <dsegan@gmx.net>]

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Jan D. wrote:

>> Simon Josefsson wrote:
>>
>>> * Crash when clicking on menus.  I have only seen this two or three
>>>  times.  It typically happened when I have been working (with
>>>  keyboard) in emacs for a long time, and then using the mouse to
>>>  click on a menu, and slightly misses the menubar when I click.  I'm
>>>  not sure what I hit instead, but I suspect it is somewhere between
>>>  the menubar or the toolbar.
>>>
>> I experience this too, but it might be a bug in Gtk+ 2.2.1 (which I 
>> am using).
>
>
> ...
>
>> If neccessary, I can provide more details and complete trace.
>
>
> Please send the complete stack trace from gdb.

I hope "bt full" is enough. It's attached to this mail and gotten using 
standard output redirection (anyone knows of a better way). This time, 
it took more than a day to crash Emacs (it didn't crash when I was 
wanting it to crash, but then crashed today when I had work to do, and 
clicked on the menu just to check if it's still stable ;-)).

I attach it uncompressed to ease viewing and because it's 10kb. How 
wants to limit the bandwidth, and is able to ignore attachments can find 
it on www.kvota.net/bugs in both compressed (gzipped) and uncompressed form.

Hope this helps!

Cheers,
Danilo


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This GDB was configured as "i386-slackware-linux"...
(gdb) r
Starting program: /desktop/Emacs/bin/emacs 

Program received signal SIGSEGV, Segmentation fault.
0x401c6590 in gtk_widget_show (widget=0x0) at gtkwidget.c:1677
1677	  if (!GTK_WIDGET_VISIBLE (widget))
(gdb) bt full
#0  0x401c6590 in gtk_widget_show (widget=0x0) at gtkwidget.c:1677
	widget = (GtkWidget *) 0x0
#1  0x40107004 in gtk_menu_item_new_with_label (label=0x0) at gtkmenuitem.c:253
	label = (gchar *) 0x0
	menu_item = (GtkWidget *) 0x8cc3b98
	accel_label = (GtkWidget *) 0x0
#2  0x8105751 in make_menu_item (utf8_label=0x0, utf8_key=0x0, item=0x8f4ef10, group=0xbfffe5b8)
    at /home/danilo/tmp/emacs/src/gtkutil.c:1275
	utf8_label = 0x0
	utf8_key = 0x0
	group = (GSList **) 0xbfffe5b8
	w = (GtkWidget *) 0x0
	wtoadd = (GtkWidget *) 0x0
#3  0x810590e in xg_create_one_menuitem (item=0x8f4ef10, f=0x85d8658, select_cb=0x80b3b58 <menubar_selection_callback>, 
    highlight_cb=0x80b398c <menu_highlight_callback>, cl_data=0x850f230, group=0xbfffe5b8)
    at /home/danilo/tmp/emacs/src/gtkutil.c:1416
	cl_data = (xg_menu_cb_data *) 0x0
	group = (GSList **) 0xbfffe5b8
	utf8_label = 0x0
	utf8_key = 0x0
	w = (GtkWidget *) 0x8f4ef10
	cb_data = (xg_menu_item_cb_data *) 0xbfffe5b8
#4  0x8105ced in create_menus (data=0x8f4ee80, f=0x85d8658, select_cb=0x80b3b58 <menubar_selection_callback>, 
    deactivate_cb=0x80b38c4 <popup_deactivate_callback>, highlight_cb=0x80b398c <menu_highlight_callback>, pop_up_p=0, 
    menu_bar_p=0, add_tearoff_p=0, topmenu=0x8ff3680, cl_data=0x850f230, name=0x0)
    at /home/danilo/tmp/emacs/src/gtkutil.c:1567
	w = (GtkWidget *) 0x8cc3b38
	menu_bar_p = 150269712
	name = 0x0
	item = (widget_value *) 0x8f4ef10
	wmenu = (GtkWidget *) 0x8ff3680
	group = (GSList *) 0x0
#5  0x8106d8a in xg_update_submenu (submenu=0x8ff3680, f=0x85d8658, val=0x8f4ee80, 
    select_cb=0x80b3b58 <menubar_selection_callback>, deactivate_cb=0x80b38c4 <popup_deactivate_callback>, 
    highlight_cb=0x80b398c <menu_highlight_callback>, cl_data=0x850f230) at /home/danilo/tmp/emacs/src/gtkutil.c:2175
	newsub = (GtkWidget *) 0x8ff3680
	list = (GList *) 0x8d87ed8
	iter = (GList *) 0x86c071c
	cur = (widget_value *) 0x8f4ee80
	has_tearoff_p = 0
	first_radio = (GList *) 0x0
#6  0x8106cf8 in xg_update_submenu (submenu=0x8d257a8, f=0x85d8658, val=0x9130a00, 
    select_cb=0x80b3b58 <menubar_selection_callback>, deactivate_cb=0x80b38c4 <popup_deactivate_callback>, 
    highlight_cb=0x80b398c <menu_highlight_callback>, cl_data=0x850f230) at /home/danilo/tmp/emacs/src/gtkutil.c:2146
	nsub = (GtkWidget *) 0x0
	witem = (GtkMenuItem *) 0x903fa50
	sub = (GtkWidget *) 0x8ff3680
	w = (GtkWidget *) 0x8ff3680
	newsub = (GtkWidget *) 0x8d257a8
	list = (GList *) 0x86fa098
	iter = (GList *) 0x8bc3340
	cur = (widget_value *) 0x8d5e258
	has_tearoff_p = 1
	first_radio = (GList *) 0x0
#7  0x8106ecd in xg_modify_menubar_widgets (menubar=0x85efb18, f=0x85d8658, val=0x9015b20, deep_p=1, 
    select_cb=0x80b3b58 <menubar_selection_callback>, deactivate_cb=0x80b38c4 <popup_deactivate_callback>, 
    highlight_cb=0x80b398c <menu_highlight_callback>) at /home/danilo/tmp/emacs/src/gtkutil.c:2255
	iter = (GList *) 0x8d88154
	sub = (GtkWidget *) 0x8d257a8
	newsub = (GtkWidget *) 0x0
	witem = (GtkMenuItem *) 0x903fed0
	cur = (widget_value *) 0x851f150
	val = (widget_value *) 0x8d88154
	cl_data = (xg_menu_cb_data *) 0x850f230
	list = (GList *) 0x88ac2b4
#8  0x80b46ac in set_frame_menubar (f=0x85d8658, first_time=0, deep_p=1) at /home/danilo/tmp/emacs/src/xmenu.c:2054
	menubar_widget = 0x85efb18
	wv = (widget_value *) 0x1
	first_wv = (widget_value *) 0x9015b20
	prev_wv = (widget_value *) 0x8e00800
	i = 32
	last_i = 32
	submenu_start = (int *) 0xbfffeb64
	submenu_end = (int *) 0xbfffe9e4
	submenu_top_level_items = (int *) 0xbfffe6e4
	submenu_n_panes = (int *) 0xbfffe864
#9  0x80b3832 in x_activate_menubar (f=0x85d8658) at /home/danilo/tmp/emacs/src/xmenu.c:1208
	f = 0x85d8658
#10 0x810eeeb in kbd_buffer_get_event (kbp=0xbfffee70, used_mouse_menu=0xbffff078)
    at /home/danilo/tmp/emacs/src/keyboard.c:3966
	event = (struct input_event *) 0x82cd660
	kbp = (KBOARD **) 0xbfffee70
	used_mouse_menu = (int *) 0xbffff078
	obj = 405689980
#11 0x810d666 in read_char (commandflag=1, nmaps=2, maps=0xbffff024, prev_event=405689980, used_mouse_menu=0xbffff078)
    at /home/danilo/tmp/emacs/src/keyboard.c:2813
	kb = (KBOARD *) 0x85392b8
	c = 405689980
	count = -1073746256
	local_getcjmp = {{__jmpbuf = {1490725068, 405689980, 405689980, -1073745940, -1073746396, 135319583}, 
    __mask_was_saved = 0, __saved_mask = {__val = {1483536124, 3221221308, 135906337, 15056, 142663168, 1216404992, 
        135602266, 406070052, 674390276, 406070052, 135625974, 941, 142663168, 3221221324, 135602572, 406070052, 674390276, 
        1216404992, 135906598, 2, 0, 15056, 405689980, 3221221124, 941, 3221221404, 135371677, 406113516, 0, 0, 135901811, 
        2}}}}
	save_jump = {{__jmpbuf = {0, 0, 1215273928, -1073747652, -1073748108, 135319583}, __mask_was_saved = 0, 
    __saved_mask = {__val = {3221219564, 3221219564, 135602436, 406070052, 405689980, 405689980, 0, 406070052, 674390276, 
        406070052, 135625974, 4, 141532104, 3221219612, 135602572, 406070052, 674390276, 1215273928, 135906598, 11, 0, 64, 0, 
        3221219412, 4, 3221219692, 135371677, 406113516, 0, 0, 135901811, 11}}}}
	key_already_recorded = 0
	tem = -1073746256
	save = -1073746256
	previous_echo_area_message = 405689980
	also_record = 405689980
	reread = 0
	gcpro1 = {next = 0x289976d0, var = 0xffffffff, nvars = 142663168}
	gcpro2 = {next = 0x58fd569c, var = 0xbfffeeac, nvars = -1073746240}
	last_idle_start = {tv_sec = 1054568218, tv_usec = 754766}
	polling_stopped_here = 1
#12 0x8113f3f in read_key_sequence (keybuf=0xbffff184, bufsize=30, prompt=405689980, dont_downcase_last=0, 
    can_return_switch_frame=1, fix_current_buffer=1) at /home/danilo/tmp/emacs/src/keyboard.c:8723
	key = 1191
	used_mouse_menu = 0
	last_real_key_start = 0
	echo_local_start = 0
	keys_local_start = 0
	local_first_binding = 0
	from_string = 405689980
	count = 2
	t = 0
	echo_start = 0
	keys_start = 0
	nmaps = 2
	nmaps_allocated = 2
	defs = (int *) 0xbffff014
	submaps = (int *) 0xbffff024
	orig_local_map = 1483617564
	orig_keymap = 405689980
	localized_local_map = 0
	first_binding = 0
	first_unbound = 31
	mock_input = 0
	fkey = {map = 1479608956, parent = 1479608956, start = 0, end = 0}
	keytran = {map = 1480160076, parent = 1480160076, start = 0, end = 0}
	delayed_switch_frame = 405689980
	original_uppercase = 1
	original_uppercase_position = -1
	starting_buffer = (struct buffer *) 0x880de00
	fake_prefixed_keys = 405689980
	gcpro1 = {next = 0x4850b3a8, var = 0x8098514, nvars = 0}
#13 0x810b3d4 in command_loop_1 () at /home/danilo/tmp/emacs/src/keyboard.c:1507
	cmd = 2
	lose = 2
	nonundocount = 0
	keybuf = {24, 19, -1073745428, 135310754, 1491076108, -1073745480, -1073745428, 135310678, 0, 1, -1073744044, 
  134722507, 0, 1073776128, 1073829876, 8869, 1073831440, 139494632, 1023, 1080335461, 5, 0, -1073745520, -1073745660, 0, 0, 
  -1073745172, 135661545, -1073745356, 139494632}
	i = 2
	no_direct = 0
	prev_modiff = 1809
	prev_buffer = (struct buffer *) 0x880de00
	was_locked = 0
	already_adjusted = 0
#14 0x816083d in internal_condition_case (bfun=0x810b0c0 <command_loop_1>, handlers=405786612, hfun=0x810acc4 <cmd_error>)
    at /home/danilo/tmp/emacs/src/eval.c:1333
	val = 1
	c = {tag = 405689980, val = 405689980, next = 0xbffff334, gcpro = 0x0, jmp = {{__jmpbuf = {0, 1, -1073744044, 
        -1073745172, -1073745420, 135661545}, __mask_was_saved = 0, __saved_mask = {__val = {3221222140, 3221221892, 
          135661545, 0, 134642349, 0, 0, 1079932112, 1078115792, 0 <repeats 16 times>, 3221222148, 1073789145, 1073831780, 
          1081815768, 7, 0, 1080770344}}}}, backlist = 0x0, handlerlist = 0x0, lisp_eval_depth = 0, pdlcount = 2, 
  poll_suppress_count = 1, interrupt_input_blocked = 0, byte_stack = 0x0}
	h = {handler = 405786612, var = 405689980, chosen_clause = 405690028, tag = 0xbffff224, next = 0x0}
#15 0x810af88 in command_loop_2 () at /home/danilo/tmp/emacs/src/keyboard.c:1295
	val = 0
#16 0x81603b5 in internal_catch (tag=405747916, func=0x810af64 <command_loop_2>, arg=405689980)
    at /home/danilo/tmp/emacs/src/eval.c:1094
	tag = 1
	c = {tag = 405747916, val = 405689980, next = 0x0, gcpro = 0x0, jmp = {{__jmpbuf = {0, 1, -1073744044, -1073744900, 
        -1073745132, 135660450}, __mask_was_saved = 0, __saved_mask = {__val = {3221222412, 3221222180, 135660450, 0, 
          139494632, 3221221948, 1080331986, 139494632, 0, 3221221948, 1080351370, 139494632, 1080298511, 137473948, 
          137487932, 674344860, 3221222128, 139494632, 0, 3221222380, 135603782, 405923388, 674344860, 405689980, 137305776, 
          137487932, 405923388, 674344860, 3221222400, 137487932, 405923388, 3221222412}}}}, backlist = 0x0, 
  handlerlist = 0x0, lisp_eval_depth = 0, pdlcount = 2, poll_suppress_count = 1, interrupt_input_blocked = 0, 
  byte_stack = 0x0}
#17 0x810af33 in command_loop () at /home/danilo/tmp/emacs/src/keyboard.c:1274
No locals.
#18 0x810aa88 in recursive_edit_1 () at /home/danilo/tmp/emacs/src/keyboard.c:990
	count = 1
	val = 0
#19 0x810abb0 in Frecursive_edit () at /home/danilo/tmp/emacs/src/keyboard.c:1046
	count = 0
	buffer = 0
#20 0x8109a33 in main (argc=1, argv=0xbffff754) at /home/danilo/tmp/emacs/src/emacs.c:1660
	dummy = 1079973083
	stack_bottom_variable = 64 '@'
	skip_args = 0
	rlim = {rlim_cur = 4440000, rlim_max = 18446744073709551615}
	no_loadup = 0
	junk = 0x0
#21 0x405fa2eb in __libc_start_main (main=0x8108c84 <main>, argc=1, ubp_av=0xbffff754, init=0x807ee80 <_init>, 
    fini=0x81a7bd0 <_fini>, rtld_fini=0x4000c130 <_dl_fini>, stack_end=0xbffff74c) at ../sysdeps/generic/libc-start.c:129
	ubp_av = (char **) 0xbffff754
	fini = (void (*)()) 0x40015d64 <_dl_debug_mask>
	rtld_fini = (void (*)()) 0
	ubp_ev = (char **) 0x0
(gdb) c
Continuing.

Program received signal SIGSEGV, Segmentation fault.
0x406099f1 in __kill () from /lib/libc.so.6
(gdb)

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