On Sat, 28 Nov 2009 06:29:09 +0100 (CET) Vincent Torri <vto...@univ-evry.fr>
said:

> 
> 
> On Sat, 28 Nov 2009, Carsten Haitzler (The Rasterman) wrote:
> 
> > On Fri, 27 Nov 2009 17:05:37 +0100 Cedric BAIL <cedric.b...@free.fr> said:
> >
> >> This last two are the same as problem as Viktor. I am definitively
> >> thinking on using ecore_thread_run or some infra like this in evas. It
> >> would solve most of our problem I believe, just need a clean way to do
> >> it.
> >
> > but you can't... maybe just change the infra to be the same as
> > ecore_thread_run inside evas. though it is a queue and it should do things
> > right - whats probably missing is something that ecore_thread wouldnt solve
> > - a missing lock or case somewhere. as long as there is a threaded loader
> > and u are trying to not block the main loop - the problem is the same.
> 
> can't hellgrind help for those kind of problems ?

not that i've found.

> Vincent
> 
> >> On Fri, Nov 27, 2009 at 4:45 PM, P Purkayastha <ppu...@gmail.com> wrote:
> >>> At 4:30pm, Cedric BAIL wrote:
> >>>> On Fri, Nov 27, 2009 at 4:17 PM, P Purkayastha <ppu...@gmail.com> wrote:
> >>>>> At 9:48am, Viktor Kojouharov wrote:
> >>>>>
> >>>>>> I've been experiencing segfaults in evas_cache for quite some time now.
> >>>>>> They occur after an image that has been loaded using evas is deleted or
> >>>>>> moved, however they are not reproducible all the time. Valgrind is also
> >>>>>> being quite vocal in this situation. I've attached the valgrind output
> >>>>>> and a gdb backtrace for anyone familiar with the evas internals who has
> >>>>>> a free time to look into it.
> >>>>>>
> >>>>>
> >>>>> I wonder if my e17 segfaults are related to this. I have been getting
> >>>>> frequent segfaults since an update of e from svn yesterday. An example
> >>>>> bt is given below:
> >>>>>
> >>>>> #0  0x0000003f4e20d504 in __lll_lock_wait () from /lib/libpthread.so.0
> >>>>> #1  0x0000003f4e208ee5 in _L_lock_508 () from /lib/libpthread.so.0
> >>>>> #2  0x0000003f4e208d08 in pthread_mutex_lock ()
> >>>>> #from /lib/libpthread.so.0 3  0x00007fd6ff3784ac in
> >>>>> #evas_common_rgba_image_scalecache_prepare
> >>>>
> >>>> This one sounds like referring to the scalecache, not preload.
> >>>
> >>> This is just one of the bt's I have been getting. And they all crash at
> >>> different points. Maybe some common code is triggering all these crashes?
> >>> Here are some others. The first one:
> >>>
> >>> #0  0x0000003f4d2c50d3 in poll () from /lib/libc.so.6
> >>> #1  0x0000003f4f60ab4a in ?? () from /usr/lib/libxcb.so.1
> >>> #2  0x0000003f4f60c15f in xcb_wait_for_event () from /usr/lib/libxcb.so.1
> >>> #3  0x0000003f4f24ded8 in ?? () from /usr/lib/libX11.so.6
> >>> #4  0x0000003f4f24e27d in ?? () from /usr/lib/libX11.so.6
> >>> #5  0x0000003f4f24ead1 in _XReadEvents () from /usr/lib/libX11.so.6
> >>> #6  0x0000003f4f235478 in XNextEvent () from /usr/lib/libX11.so.6
> >>> #7  0x000000000047752c in e_alert_show (
> >>>    text=0x4d4760 "This is very bad. Enlightenment SIGABRT'd.\n\nThis is
> >>> not meant to happen and is likely a sign of\na bug in Enlightenment or the
> >>> libraries it relies\non. You can gdb attach to this process now to
> >>> try\ndebu"...) at e_alert.c:129
> >>> #8  0x0000000000461ef4 in e_sigabrt_act (x=<value optimized out>,
> >>> info=<value optimized out>, data=<value optimized out>) at e_signals.c:208
> >>> #9  <signal handler called>
> >>> #10 0x0000003f4d232085 in raise () from /lib/libc.so.6
> >>> #11 0x0000003f4d2334b0 in abort () from /lib/libc.so.6
> >>> #12 0x0000003f4d22b10a in __assert_fail () from /lib/libc.so.6
> >>> #13 0x00007f8783d6e800 in evas_cache_image_preload_cancel (im=0x2807630,
> >>> target=<value optimized out>) at evas_cache_image.c:1327
> >>> #14 0x00007f87822643b2 in eng_image_data_preload_cancel (data=<value
> >>> optimized out>, image=0x1c47, target=0x6) at evas_engine.c:729
> >>> #15 0x00007f8783d422e6 in evas_object_image_free (obj=0x286d680) at
> >>> evas_object_image.c:2272
> >>> #16 0x00007f8783d452ba in evas_object_free (obj=0x286d680, clean_layer=1)
> >>> #at
> >>> evas_object_main.c:61
> >>> #17 0x00007f8783d69136 in evas_render_updates_internal (e=0x2337a40,
> >>> make_updates=<value optimized out>, do_draw=1 '\001') at
> >>> evas_render.c:1102
> >>> #18 0x00007f8783d693fa in evas_render_updates (e=0x1c47) at
> >>> evas_render.c:1175
> >>> #19 0x00007f877fd63440 in _eco_cb_border_icon_change (data=<value
> >>> #optimized
> >>> out>, ev_type=<value optimized out>, ev=<value optimized out>) at
> >>> eco_event.c:1029
> >>> #20 0x00007f878400de25 in _ecore_event_call () at ecore_events.c:420
> >>> #21 0x00007f8784016647 in _ecore_main_loop_iterate_internal (once_only=0)
> >>> #at
> >>> ecore_main.c:791
> >>> #22 0x00007f8784016690 in ecore_main_loop_begin () at ecore_main.c:114
> >>> #23 0x000000000042fa74 in main (argc=1, argv=<value optimized out>) at
> >>> e_main.c:1074
> >>> The program is running.  Quit anyway (and detach it)? (y or n) Detaching
> >>> from program: /usr/bin/enlightenment, process 7239
> >>>
> >>>
> >>> The second one:
> >>> #0  0x0000003f4d2c50d3 in poll () from /lib/libc.so.6
> >>> #1  0x0000003f4f60ab4a in ?? () from /usr/lib/libxcb.so.1
> >>> #2  0x0000003f4f60c15f in xcb_wait_for_event () from /usr/lib/libxcb.so.1
> >>> #3  0x0000003f4f24ded8 in ?? () from /usr/lib/libX11.so.6
> >>> #4  0x0000003f4f24e27d in ?? () from /usr/lib/libX11.so.6
> >>> #5  0x0000003f4f24ead1 in _XReadEvents () from /usr/lib/libX11.so.6
> >>> #6  0x0000003f4f235478 in XNextEvent () from /usr/lib/libX11.so.6
> >>> #7  0x000000000047752c in e_alert_show (
> >>>    text=0x4d4b68 "This is very bad. Enlightenment SEGV'd.\n\nThis is not
> >>> meant to happen and is likely a sign of\na bug in Enlightenment or the
> >>> libraries it relies\non. You can gdb attach to this process now to
> >>> try\ndebug i"...) at e_alert.c:129
> >>> #8  0x0000000000461fb8 in e_sigseg_act (x=<value optimized out>,
> >>> #info=<value
> >>> optimized out>, data=<value optimized out>) at e_signals.c:124
> >>> #9  <signal handler called>
> >>> #10 _evas_cache_image_entry_preload_remove (ie=0x2908380,
> >>> #target=0x2c000d0)
> >>> at evas_cache_image.c:442
> >>> #11 0x00007fd0b0ea980a in evas_cache_image_preload_cancel
> >>> (im=0xffffff00ffffff00, target=0x0) at evas_cache_image.c:1332
> >>> #12 0x00007fd0af39e3b2 in eng_image_data_preload_cancel (data=<value
> >>> optimized out>, image=0xffffff00ffffff00, target=0x2c000d0) at
> >>> evas_engine.c:729
> >>> #13 0x00007fd0b0e7d2e6 in evas_object_image_free (obj=0x2c000d0) at
> >>> evas_object_image.c:2272
> >>> #14 0x00007fd0b0e802ba in evas_object_free (obj=0x2c000d0, clean_layer=1)
> >>> #at
> >>> evas_object_main.c:61
> >>> #15 0x00007fd0b0ea4136 in evas_render_updates_internal (e=0x23f52b0,
> >>> make_updates=<value optimized out>, do_draw=0 '\0') at evas_render.c:1102
> >>> #16 0x00007fd0b0ea4301 in evas_norender (e=0xffffff00ffffff00) at
> >>> evas_render.c:1218
> >>> #17 0x00007fd0b2e72e00 in _ecore_evas_x_render (ee=0x23f50e0) at
> >>> ecore_evas_x.c:308
> >>> #18 0x00007fd0b2e7478f in _ecore_evas_x_idle_enter (data=<value optimized
> >>> out>) at ecore_evas_x.c:1014
> >>> #19 0x00007fd0b114eace in _ecore_idle_enterer_call () at
> >>> ecore_idle_enterer.c:106
> >>> #20 0x00007fd0b115165e in _ecore_main_loop_iterate_internal (once_only=0)
> >>> #at
> >>> ecore_main.c:801
> >>> #21 0x00007fd0b1151690 in ecore_main_loop_begin () at ecore_main.c:114
> >>> #22 0x000000000042fa74 in main (argc=1, argv=<value optimized out>) at
> >>> e_main.c:1074
> >>> The program is running.  Quit anyway (and detach it)? (y or n) Detaching
> >>> from program: /usr/bin/enlightenment, process 7239
> >>>
> >>> ------------------------------------------------------------------------------
> >>> Let Crystal Reports handle the reporting - Free Crystal Reports 2008
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> >>> _______________________________________________
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> >>>
> >>>
> >>
> >>
> >>
> >> --
> >> Cedric BAIL
> >>
> >> ------------------------------------------------------------------------------
> >> Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day
> >> trial. Simplify your report design, integration and deployment - and focus
> >> on what you do best, core application coding. Discover what's new with
> >> Crystal Reports now.  http://p.sf.net/sfu/bobj-july
> >> _______________________________________________
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> >> https://lists.sourceforge.net/lists/listinfo/enlightenment-devel
> >
> >
> > -- 
> > ------------- Codito, ergo sum - "I code, therefore I am" --------------
> > The Rasterman (Carsten Haitzler)    ras...@rasterman.com
> >
> >
> > ------------------------------------------------------------------------------
> > Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day
> > trial. Simplify your report design, integration and deployment - and focus
> > on what you do best, core application coding. Discover what's new with
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> > _______________________________________________
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> > https://lists.sourceforge.net/lists/listinfo/enlightenment-devel
> >
> >


-- 
------------- Codito, ergo sum - "I code, therefore I am" --------------
The Rasterman (Carsten Haitzler)    ras...@rasterman.com


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