Bug 893918

Description of problem:
Clicking on Ruler on Home Page Panel produces immediate return to Home Page -- ruler does not load and show

Version-Release number of selected component (if applicable):
F19-Beta-TC4-x86_64

How reproducible:
Every Time

Steps to Reproduce:
1. Install and then run F19-RC4-Sugar-x86_64 DE
2. Click on Ruler Icon
3.
  
Actual results:
Immediate return to Home Page

Expected results:
Ruler Activity like i386 version should display

Additional info:

Ruler works fine for me in F19. Can you please add the Ruler log from the "Log" activity. It should be under the date and be called com.laptop.Ruler-1.log

** (sugar-activity:1318): WARNING **: Couldn't register with accessibility bus: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken.

(sugar-activity:1318): Gtk-CRITICAL **: gtk_container_remove: assertion `gtk_widget_get_parent (widget) == GTK_WIDGET (container) || GTK_IS_ASSISTANT (container)' failed
1368667513.352434 WARNING root: No Gtk.AccelGroup in the top level window.
1368667513.353128 WARNING root: No Gtk.AccelGroup in the top level window.
/usr/bin/sugar-activity:42: Warning: g_hash_table_destroy: assertion `hash_table != NULL' failed
  activity = constructor(handle)
Terminated by signal 11, pid 1318 data (None, <open file '<fdopen>', mode 'w' at 0x3ef09c0>, dbus.ByteArray('e97d1787023cbb067e4f28fea4fc06352beb3142', variant_level=1))

Peter the info you need is above in Comment 3

Simon: I've seen this on F-18 but not on my F-19 netbook, any ideas/suggestions as to the problem?

Ruler (27) starts fine for me on F18 on the XO-4 (arm). On my 64-bit env F18 I can reproduce the error: http://fpaste.org/14713/13696442/

(gdb) run /home/erikos/sugar-build/build/out/install/bin/sugar-launch com.laptop.Ruler


#0  0x0000000000000051 in ?? ()
#1  0x0000003d7d804e31 in _pango_cairo_update_context (cr=cr@entry=0x1303630, context=0x1353050) at pangocairo-context.c:106
#2  0x0000003d7d805009 in pango_cairo_update_context (cr=cr@entry=0x1303630, context=<optimized out>) at pangocairo-context.c:171
#3  0x0000003d7d8051ba in pango_cairo_create_context (cr=0x1303630) at pangocairo-context.c:418
#4  0x0000003d7d8051ff in pango_cairo_create_layout (cr=<optimized out>) at pangocairo-context.c:452
#5  0x0000003162a05ed8 in ffi_call_unix64 () at ../src/x86/unix64.S:75
#6  0x0000003162a058e0 in ffi_call (cif=cif@entry=0x7fffffffa350, fn=fn@entry=0x3d7d8051f0 <pango_cairo_create_layout>, rvalue=rvalue@entry=0x7fffffffa330, avalue=avalue@entry=0x7fffffffa280)
    at ../src/x86/ffi64.c:486
#7  0x00007fffed60abbb in g_callable_info_invoke (info=info@entry=0x1303540, function=0x3d7d8051f0 <pango_cairo_create_layout>, in_args=in_args@entry=0x12f2720, n_in_args=n_in_args@entry=1, 
    out_args=out_args@entry=0x0, n_out_args=n_out_args@entry=0, return_value=return_value@entry=0x7fffffffa528, is_method=is_method@entry=0, throws=0, error=error@entry=0x7fffffffa4d8)
    at girepository/gicallableinfo.c:680
#8  0x00007fffed60bf1b in g_function_info_invoke (info=info@entry=0x1303540, in_args=0x12f2720, n_in_args=1, out_args=0x0, n_out_args=0, return_value=return_value@entry=0x7fffffffa528, error=error@entry=
    0x7fffffffa4d8) at girepository/gifunctioninfo.c:274
#9  0x00007fffed847f7a in _invoke_callable (function_ptr=0x0, callable_info=0x1303540, cache=0x1308760, state=0x7fffffffa4e0) at pygi-invoke.c:64
#10 pygi_callable_info_invoke (info=0x1303540, py_args=<optimized out>, kwargs={}, cache=<optimized out>, function_ptr=0x0, user_data=0x0) at pygi-invoke.c:662
#11 0x0000003161adc370 in ext_do_call (nk=0, na=<optimized out>, flags=<optimized out>, pp_stack=0x7fffffffa748, func=<built-in method invoke of gi.FunctionInfo object at remote 0x11d7248>)
    at /usr/src/debug/Python-2.7.3/Python/ceval.c:4408
#12 PyEval_EvalFrameEx (f=f@entry=
    Frame 0x12fba20, for file /home/erikos/sugar-build/build/out/install/lib64/python2.7/site-packages/gi/types.py, line 113, in function (args=(<Context at remote 0x11d2870>,), kwargs={}), 
    throwflag=throwflag@entry=0) at /usr/src/debug/Python-2.7.3/Python/ceval.c:2779
#13 0x0000003161addcbf in PyEval_EvalCodeEx (co=<optimized out>, globals=<optimized out>, locals=locals@entry=0x0, args=<optimized out>, argcount=argcount@entry=1, kws=0x1317008, kwcount=0, defs=0x0, 
    defcount=0, closure=(<cell at remote 0xeab750>,)) at /usr/src/debug/Python-2.7.3/Python/ceval.c:3330
#14 0x0000003161adc2b3 in fast_function (nk=<optimized out>, na=1, n=<optimized out>, pp_stack=0x7fffffffa9f8, func=<function at remote 0x1022b90>) at /usr/src/debug/Python-2.7.3/Python/ceval.c:4194
#15 call_function (oparg=<optimized out>, pp_stack=0x7fffffffa9f8) at /usr/src/debug/Python-2.7.3/Python/ceval.c:4119
#16 PyEval_EvalFrameEx (f=f@entry=
    Frame 0x1316e20, for file /home/erikos/Activities/Ruler.activity/util.py, line 107, in write (c=<cairo.Context at remote 0x11c7c30>, text='0', name='helvetica bold 12', size=<float at remote 0x12fd8d8>, centered=True, at_top=False, pc=<Context at remote 0x11d2870>, font=<FontDescription at remote 0x11c6ce8>), throwflag=throwflag@entry=0) at /usr/src/debug/Python-2.7.3/Python/ceval.c:2740
#17 0x0000003161addcbf in PyEval_EvalCodeEx (co=<optimized out>, globals=<optimized out>, locals=locals@entry=0x0, args=<optimized out>, argcount=argcount@entry=4, kws=0x1303de0, kwcount=1, defs=0xf42338, 
    defcount=2, closure=0x0) at /usr/src/debug/Python-2.7.3/Python/ceval.c:3330
#18 0x0000003161adc2b3 in fast_function (nk=<optimized out>, na=4, n=<optimized out>, pp_stack=0x7fffffffaca8, func=<function at remote 0xfa28c0>) at /usr/src/debug/Python-2.7.3/Python/ceval.c:4194
#19 call_function (oparg=<optimized out>, pp_stack=0x7fffffffaca8) at /usr/src/debug/Python-2.7.3/Python/ceval.c:4119
#20 PyEval_EvalFrameEx (f=f@entry=
    Frame 0x1303c00, for file /home/erikos/Activities/Ruler.activity/show_rulers.py, line 158, in draw_cm_ruler (self=<ScreenOfRulers(custom_unit_in_mm=<float at remote 0xffa6b8>, font_bold='helvetica bold 12', h=996, c=<cairo.Context at remote 0x11c7c30>, hw='unknown', offset_of_xo_side_from_screen=0, w=1680, font='helvetica 12', dpi=<float at remote 0xfe5db8>) at remote 0x1023e60>, c=<cairo.Context at remote 0x11c7c30>, dpi=<float at remote 0xfe5db8>, width=130, xm=0, x=<float at remote 0xffa6a0>, n=0), throwflag=throwflag@entry=0) at /usr/src/debug/Python-2.7.3/Python/ceval.c:2740
#21 0x0000003161addcbf in PyEval_EvalCodeEx (co=<optimized out>, globals=<optimized out>, locals=locals@entry=0x0, args=<optimized out>, argcount=argcount@entry=3, kws=0x12fcfd0, kwcount=0, defs=
    0x7fffecdc8ba8, defcount=1, closure=0x0) at /usr/src/debug/Python-2.7.3/Python/ceval.c:3330
#22 0x0000003161adc2b3 in fast_function (nk=<optimized out>, na=3, n=<optimized out>, pp_stack=0x7fffffffaf58, func=<function at remote 0xfa2cf8>) at /usr/src/debug/Python-2.7.3/Python/ceval.c:4194
#23 call_function (oparg=<optimized out>, pp_stack=0x7fffffffaf58) at /usr/src/debug/Python-2.7.3/Python/ceval.c:4119
#24 PyEval_EvalFrameEx (f=<optimized out>, throwflag=throwflag@entry=0) at /usr/src/debug/Python-2.7.3/Python/ceval.c:2740
#25 0x0000003161adcef1 in fast_function (nk=<optimized out>, na=4, n=<optimized out>, pp_stack=0x7fffffffb158, func=<function at remote 0xfa2b90>) at /usr/src/debug/Python-2.7.3/Python/ceval.c:4184
#26 call_function (oparg=<optimized out>, pp_stack=0x7fffffffb158) at /usr/src/debug/Python-2.7.3/Python/ceval.c:4119
#27 PyEval_EvalFrameEx (f=<optimized out>, throwflag=throwflag@entry=0) at /usr/src/debug/Python-2.7.3/Python/ceval.c:2740
#28 0x0000003161adcef1 in fast_function (nk=<optimized out>, na=3, n=<optimized out>, pp_stack=0x7fffffffb358, func=<function at remote 0xfa2b18>) at /usr/src/debug/Python-2.7.3/Python/ceval.c:4184
#29 call_function (oparg=<optimized out>, pp_stack=0x7fffffffb358) at /usr/src/debug/Python-2.7.3/Python/ceval.c:4119
#30 PyEval_EvalFrameEx (f=f@entry=
    Frame 0x112bd90, for file /home/erikos/Activities/Ruler.activity/RulerActivity.py, line 75, in __expose_event_cb (self=<MyCanvas(_object=<ScreenOfRulers(custom_unit_in_mm=<float at remote 0xffa6b8>, font_bold='helvetica bold 12', h=996, c=<cairo.Context at remote 0x11c7c30>, hw='unknown', offset_of_xo_side_from_screen=0, w=1680, font='helvetica 12', dpi=<float at remote 0xfe5db8>) at remote 0x1023e60>, _draw_ruler=True, _dpi=<float at remote 0xfe5db8>) at remote 0x10081e0>, drawing_area=<...>, event=<cairo.Context at remote 0x11c7c50>, cr=<cairo.Context at remote 0x11c7c30>), throwflag=throwflag@entry=0)
    at /usr/src/debug/Python-2.7.3/Python/ceval.c:2740
#31 0x0000003161addcbf in PyEval_EvalCodeEx (co=<optimized out>, globals=<optimized out>, locals=locals@entry=0x0, args=args@entry=0x10086f8, argcount=3, kws=kws@entry=0x0, kwcount=kwcount@entry=0, 
    defs=defs@entry=0x0, defcount=defcount@entry=0, closure=0x0) at /usr/src/debug/Python-2.7.3/Python/ceval.c:3330
#32 0x0000003161a6d926 in function_call (func=<function at remote 0xffc9b0>, arg=
    (<MyCanvas(_object=<ScreenOfRulers(custom_unit_in_mm=<float at remote 0xffa6b8>, font_bold='helvetica bold 12', h=996, c=<cairo.Context at remote 0x11c7c30>, hw='unknown', offset_of_xo_side_from_screen=0, w=1680, font='helvetica 12', dpi=<float at remote 0xfe5db8>) at remote 0x1023e60>, _draw_ruler=True, _dpi=<float at remote 0xfe5db8>) at remote 0x10081e0>, <...>, <cairo.Context at remote 0x11c7c50>), kw=
    0x0) at /usr/src/debug/Python-2.7.3/Objects/funcobject.c:526

Looks like an architecture dependent issue, looks like a pango issue.

A duplicate of this one is 957194.

*** Bug 957194 has been marked as a duplicate of this bug. ***

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