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Bug 170105 - crash on "window.get_toolbar()"
crash on "window.get_toolbar()"
Status: RESOLVED FIXED
Product: epiphany
Classification: Core
Component: General
git master
Other Linux
: High blocker
: 1.8
Assigned To: Epiphany Maintainers
Marco Pesenti Gritti
Depends on:
Blocks:
 
 
Reported: 2005-03-12 22:23 UTC by Christian Persch
Modified: 2005-07-31 20:27 UTC
See Also:
GNOME target: ---
GNOME version: ---


Description Christian Persch 2005-03-12 22:23:03 UTC 
Program received signal SIGSEGV, Segmentation fault.

+ Trace 56770

Thread 16384 (LWP 1291)

  • #0 initgobject
    from /usr/lib/python2.4/site-packages/gtk-2.0/gobject.so
  • #1 initepiphany
    from /usr/lib/python2.4/site-packages/gtk-2.0/epiphany.so
  • #2 PyEval_GetFuncDesc
    from /usr/lib/libpython2.4.so.1.0
  • #3 ??
  • #4 PyEphyTab_Type
    from /usr/lib/python2.4/site-packages/gtk-2.0/epiphany.so
  • #5 ??
    from /usr/lib/libpython2.4.so.1.0
  • #6 ??
  • #7 PyEphyTab_Type
    from /usr/lib/python2.4/site-packages/gtk-2.0/epiphany.so
  • #8 ??
  • #9 PyObject_GetAttr
    from /usr/lib/libpython2.4.so.1.0 

Unfortunately there's no debug libpython for ubuntu, so I cannot get a better
trace :(
Comment 1 Christian Persch 2005-03-12 22:27:18 UTC 
Here's a trace from self-compiled pyphany with symbols. Looks like it crashes in
_wrap_ephy_window_get_toolbar with self=0x0 !

+ Trace 56771

  • #0 initgobject
    from /usr/lib/python2.4/site-packages/gtk-2.0/gobject.so
  • #1 _wrap_ephy_window_get_toolbar
    at epiphany.c line 3387
  • #2 PyEval_GetFuncDesc
    from /usr/lib/libpython2.4.so.1.0
  • #3 ??
  • #4 _PyEphyWindow_methods
    from /opt/gnome-2.12/lib/python2.4/site-packages/gtk-2.0/epiphany.so
  • #5 ??
    from /usr/lib/libpython2.4.so.1.0
  • #6 ??
  • #7 _PyEphyWindow_methods
    from /opt/gnome-2.12/lib/python2.4/site-packages/gtk-2.0/epiphany.so
  • #8 ??
  • #9 PyObject_GetAttr
    from /usr/lib/libpython2.4.so.1.0 






Comment 2


Christian Persch





          2005-03-13 12:54:29 UTC
        



Ok, here's a trace with a debug build of python2.4:





+
Trace
    56788






    

  • 
#0
initgobject

    
                from
                /usr/lib/python2.4/site-packages/gtk-2.0/gobject.so

    

    • 

  • 
#1
_wrap_ephy_window_get_toolbar

    
                at epiphany.c
                  line
                  3402

    

    • 

  • 
#2
call_function

    
                at ../Python/ceval.c
                  line
                  3531

    

    • 

  • 
#3
PyEval_EvalFrame

    
                at ../Python/ceval.c
                  line
                  2163

    

    • 

  • 
#4
PyEval_EvalCodeEx

    
                at ../Python/ceval.c
                  line
                  2730

    

    • 

  • 
#5
PyEval_EvalCode

    
                at ../Python/ceval.c
                  line
                  484

    

    • 

  • 
#6
run_node

    
                at ../Python/pythonrun.c
                  line
                  1264

    

    • 

  • 
#7
builtin_eval

    
                at ../Python/bltinmodule.c
                  line
                  516

    

    • 

  • 
#8
PyCFunction_Call

    
                at ../Objects/methodobject.c
                  line
                  108

    

    • 

  • 
#9
call_function

    
                at ../Python/ceval.c
                  line
                  3547

    

    • 

  • 
#10
PyEval_EvalFrame

    
                at ../Python/ceval.c
                  line
                  2163

    

    • 

  • 
#11
PyEval_EvalCodeEx

    
                at ../Python/ceval.c
                  line
                  2730

    

    • 

  • 
#12
fast_function

    
                at ../Python/ceval.c
                  line
                  3640

    

    • 

  • 
#13
call_function

    
                at ../Python/ceval.c
                  line
                  3568

    

    • 

  • 
#14
PyEval_EvalFrame

    
                at ../Python/ceval.c
                  line
                  2163

    

    • 

  • 
#15
fast_function

    
                at ../Python/ceval.c
                  line
                  3629

    

    • 

  • 
#16
call_function

    
                at ../Python/ceval.c
                  line
                  3568

    

    • 

  • 
#17
PyEval_EvalFrame

    
                at ../Python/ceval.c
                  line
                  2163

    

    • 

  • 
#18
PyEval_EvalCodeEx

    
                at ../Python/ceval.c
                  line
                  2730

    

    • 

  • 
#19
function_call

    
                at ../Objects/funcobject.c
                  line
                  550

    

    • 

  • 
#20
PyObject_Call

    
                at ../Objects/abstract.c
                  line
                  1751

    

    • 

  • 
#21
instancemethod_call

    
                at ../Objects/classobject.c
                  line
                  2431

    

    • 

  • 
#22
PyObject_Call

    
                at ../Objects/abstract.c
                  line
                  1751

    

    • 

  • 
#23
PyEval_CallObjectWithKeywords

    
                at ../Python/ceval.c
                  line
                  3419

    

    • 

  • 
#24
PyObject_CallObject

    
                at ../Objects/abstract.c
                  line
                  1742

    

    • 

  • 
#25
initgobject

    
                from
                /usr/lib/python2.4/site-packages/gtk-2.0/gobject.so

    

    • 

  • 
#26
g_closure_invoke

    
                from
                /usr/lib/libgobject-2.0.so.0

    

    • 

  • 
#27
g_signal_emit_by_name

    
                from
                /usr/lib/libgobject-2.0.so.0

    

    • 

  • 
#28
g_signal_emit_valist

    
                from
                /usr/lib/libgobject-2.0.so.0

    

    • 

  • 
#29
g_signal_emit

    
                from
                /usr/lib/libgobject-2.0.so.0

    

    • 

  • 
#30
gtk_widget_event_internal

    
                at gtkwidget.c
                  line
                  3631

    

    • 

  • 
#31
IA__gtk_window_propagate_key_event

    
                at gtkwindow.c
                  line
                  4429

    

    • 

  • 
#32
gtk_window_key_press_event

    
                at gtkwindow.c
                  line
                  4459

    

    • 

  • 
#33
_gtk_marshal_BOOLEAN__BOXED

    
                at gtkmarshalers.c
                  line
                  83

    

    • 

  • 
#34
g_cclosure_new_swap

    
                from
                /usr/lib/libgobject-2.0.so.0

    

    • 

  • 
#35
g_closure_invoke

    
                from
                /usr/lib/libgobject-2.0.so.0

    

    • 

  • 
#36
g_signal_emit_by_name

    
                from
                /usr/lib/libgobject-2.0.so.0

    

    • 

  • 
#37
g_signal_emit_valist

    
                from
                /usr/lib/libgobject-2.0.so.0

    

    • 

  • 
#38
g_signal_emit

    
                from
                /usr/lib/libgobject-2.0.so.0

    

    • 

  • 
#39
gtk_widget_event_internal

    
                at gtkwidget.c
                  line
                  3631

    

    • 

  • 
#40
IA__gtk_propagate_event

    
                at gtkmain.c
                  line
                  2119

    

    • 

  • 
#41
IA__gtk_main_do_event

    
                at gtkmain.c
                  line
                  1383

    

    • 

  • 
#42
gdk_event_dispatch

    
                at gdkevents-x11.c
                  line
                  2220

    

    • 

  • 
#43
g_main_depth

    
                from
                /usr/lib/libglib-2.0.so.0

    

    • 

  • 
#44
g_main_context_dispatch

    
                from
                /usr/lib/libglib-2.0.so.0

    

    • 

  • 
#45
g_main_context_dispatch

    
                from
                /usr/lib/libglib-2.0.so.0

    

    • 

  • 
#46
g_main_loop_run

    
                from
                /usr/lib/libglib-2.0.so.0

    

    • 

  • 
#47
IA__gtk_main

    
                at gtkmain.c
                  line
                  963

    

    • 

  • 
#48
main

    
                at ../../src/ephy-main.c
                  line
                  313

    

    • 













Comment 3


Jean-François Rameau





          2005-03-22 20:18:54 UTC
        



It seems that the crash occurs because EphyToolbar type has no wrapper (this is
the same for EphyBookmarksBar which crashes Epiphany too,
EphyWindow.get_bookmarksbar). Both are Epiphany's internals but are accessibles
from a public interface (EphyWindow).
We can create wrappers but we need then to expose some more internal stuff
(EggEditableToolbar).
An other solution is atm to force a generic wrapper like this:

(define-object Toolbar
  (in-module "Ephy")
  (parent "GtkVBox")                    <- the real topmost parent
  (c-name "EphyToolbar")
  (gtype-id "EPHY_TYPE_TOOLBAR")
)








Comment 4


Adam Hooper





          2005-03-23 02:36:43 UTC
        



There's not really much point in the get_toolbar() and get_bookmarksbar()
functions at the moment, since they're private classes. But at some point we'll
want to have public ones of some sort, right?

I agree with the vbox idea, but I'm slightly worried that people will think it's
a bug in Pyphany, rather than a design decision. The only alternative solutions
I can think of are to return None or to omit the functions entirely, and I don't
think either of those is better than returning a vbox.






Comment 5


Christian Persch





          2005-05-21 20:45:30 UTC
        



-> Epiphany






Comment 6


Christian Persch





          2005-07-31 20:26:56 UTC
        



Fixed in cvs.