Hi, >From what I can tell the widget has been freed by elm/evas in a smart_del callback and so removed from the lookups. Currently I have no idea why as the widget is still on screen.
Looking further... Andrew On Fri, 7 Aug 2015 at 09:59 Tom Hacohen <t...@osg.samsung.com> wrote: > On 06/08/15 23:27, Andrew Williams wrote: > > Hi guys, > > > > Thanks for the help - still rather confuse though - no more info as far > > as I can see... > > > > (gdb) p eo_data_scope_get(editor->entry, elm_code_widget_class_get()) > > $3 = (void *) 0x0 > > (gdb) p eo_class_name_get(eo_class_get(editor->entry)) > > $4 = 0x0 > > (gdb) p eo_class_name_get(editor->entry) > > > > Program received signal SIGSEGV, Segmentation fault. > > 0x00007fffec54c48e in vfprintf () from /usr/lib/libc.so.6 > > The program being debugged was signaled while in a function called from > GDB. > > GDB remains in the frame where the signal was received. > > To change this behavior use "set unwindonsignal on". > > Evaluation of the expression containing the function > > (eo_class_name_get) will be abandoned. > > When the function is done executing, GDB will silently stop. > > > > Still confused, switching to valgrind to try and figure something out. > > For all I remember, we test validity for both cases, so it's weird it > would crash. The pointer definitely seems wrong, but I wonder how it can > be so corrupt that it crashes. Looking forward to your report. > > -- > Tom. > > > > > Cheers, > > Andy > > > > On Wed, 22 Jul 2015 at 08:50 Daniel Zaoui <daniel.za...@samsung.com > > <mailto:daniel.za...@samsung.com>> wrote: > > > > On Wed, 22 Jul 2015 08:31:35 +0100 > > Tom Hacohen <t...@osg.samsung.com <mailto:t...@osg.samsung.com>> > wrote: > > > > According to git, Jeremy did that two years ago. > > Personally, I like it this way as it is easier for debugging. And > > well, I never needed to get the name of a class, but always of an > > object. > > > > > When was that changed? Isn't it kinda wrong to do it now that > both Eo > > > classes and objects are "Eo *"? Because when you invoke this on > > > classes you want to get the class class, how do you do the > detection? > > > Feels a bit inconsistent to me. > > > > > > -- > > > Tom. > > > > > > > > > On 22/07/15 08:28, Daniel Zaoui wrote: > > > > On Wed, 22 Jul 2015 08:21:02 +0100 > > > > Tom Hacohen <t...@osg.samsung.com <mailto:t...@osg.samsung.com>> > > wrote: > > > > > > > > Hey boy, you don't need anymore eo_class_get in the middle! ;-) > > > > > > > >> p eo_class_name_get(eo_class_get(editory->entry)) > > > >> > > > >> As Daniel said though, this shouldn't and can't happen. The > only > > > >> reason why this function would return NULL is an error. It > > works by > > > >> adding an offset to the data pointer, so as long as it passes > > > >> (basic) validation, it should at least return something. > > > >> > > > >> -- > > > >> Tom. > > > >> > > > >> On 22/07/15 07:31, Daniel Zaoui wrote: > > > >>> Hi, > > > >>> > > > >>> I never saw this kind of behavior, except if your object has > been > > > >>> freed (should see error prints) or your pointer is NULL or > > even if > > > >>> your object is not of the correct type. > > > >>> > > > >>> Do you see any Eo error messages? Can you "p > > > >>> eo_class_name_get(editor->entry)"? Can you enter the function > and > > > >>> give more info on what happens inside? Maybe some thread > deletes > > > >>> the object when another tries to access? > > > >>> > > > >>> JackDanielZ > > > >>> > > > >>> On Tue, 21 Jul 2015 23:19:07 +0000 > > > >>> Andrew Williams <a...@andywilliams.me > > <mailto:a...@andywilliams.me>> wrote: > > > >>> > > > >>>> Hi, > > > >>>> > > > >>>> I'm trying to trace down a really annoying bug but it's > proving > > > >>>> illusive. I have some Eo objects (the Elm_Code_Widget) that > > > >>>> stores a lot of information in it's associated data object. > This > > > >>>> works most of the time but on some occasions - potentially > > in the > > > >>>> vicinity of different thread access, but not reliably > > > >>>> reproducible > > > >>>> - the data seems to be NULL. > > > >>>> > > > >>>> p eo_data_scope_get(editor->entry, > elm_code_widget_class_get()) > > > >>>> $5 = (void *) 0x0 > > > >>>> (this call normally returns a pointer to an > Elm_Code_Widget_Data > > > >>>> struct) > > > >>>> > > > >>>> Can anyone suggest why this could happen - what sort of > error is > > > >>>> it likely I have created that could cause this behaviour? > > > >>>> It's driving me crazy as for the most part it works fine but > > some > > > >>>> combination of time and/or memory setup and/or threading > > seems to > > > >>>> trip it up. > > > >>>> > > > >>>> Many thanks for any suggestions, > > > >>>> Andrew > > > >>>> > > > > ------------------------------------------------------------------------------ > > > >>>> Don't Limit Your Business. Reach for the Cloud. > > > >>>> GigeNET's Cloud Solutions provide you with the tools and > support > > > >>>> that you need to offload your IT needs and focus on growing > your > > > >>>> business. Configured For All Businesses. Start Your Cloud > Today. > > > >>>> https://www.gigenetcloud.com/ > > > >>>> _______________________________________________ > > > >>>> enlightenment-devel mailing list > > > >>>> enlightenment-devel@lists.sourceforge.net > > <mailto:enlightenment-devel@lists.sourceforge.net> > > > >>>> > https://lists.sourceforge.net/lists/listinfo/enlightenment-devel > > > >>> > > > >>> > > > >>> > > > > ------------------------------------------------------------------------------ > > > >>> Don't Limit Your Business. Reach for the Cloud. > > > >>> GigeNET's Cloud Solutions provide you with the tools and > support > > > >>> that you need to offload your IT needs and focus on growing > your > > > >>> business. Configured For All Businesses. Start Your Cloud > Today. > > > >>> https://www.gigenetcloud.com/ > > > >>> _______________________________________________ > > > >>> enlightenment-devel mailing list > > > >>> enlightenment-devel@lists.sourceforge.net > > <mailto:enlightenment-devel@lists.sourceforge.net> > > > >>> > https://lists.sourceforge.net/lists/listinfo/enlightenment-devel > > > >>> > > > >> > > > >> > > > >> > > > > ------------------------------------------------------------------------------ > > > >> Don't Limit Your Business. Reach for the Cloud. > > > >> GigeNET's Cloud Solutions provide you with the tools and > support > > > >> that you need to offload your IT needs and focus on growing > your > > > >> business. Configured For All Businesses. Start Your Cloud > Today. > > > >> https://www.gigenetcloud.com/ > > > >> _______________________________________________ > > > >> enlightenment-devel mailing list > > > >> enlightenment-devel@lists.sourceforge.net > > <mailto:enlightenment-devel@lists.sourceforge.net> > > > >> > https://lists.sourceforge.net/lists/listinfo/enlightenment-devel > > > > > > > > > > > > > > > ------------------------------------------------------------------------------ > > Don't Limit Your Business. Reach for the Cloud. > > GigeNET's Cloud Solutions provide you with the tools and support that > > you need to offload your IT needs and focus on growing your business. > > Configured For All Businesses. 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