[gcompris-devel] segfault with 4.2
Rob van Dam
r_vandam at HotPOP.com
Sat Dec 20 05:01:04 UTC 2003
It is rather confusing that two problems are dealt with in one topic.
Changing (!strcmp(locale, "C")) in (!strcmp("C", "C")) did the trick for
me.
I will test the programm if there show up any problems.
Thanks for the help!
Rob
Bruno Coudoin wrote:
>Since it occurs at gcompris startup, maybe a step by step gdb would
>help.
>Run gcompris in gdb then enter:
>b main
>
>then step, step, step until the crash occur.
>'list' to look at the current code.
>
>Hope it helps.
>
>Bruno.
>
>Le sam 20/12/2003 à 11:03, Richard Boyce a écrit :
>
>
>>Hello,
>>
>>Bruno Coudoin wrote:
>>
>>
>>
>>>OK, here we are. In src/gcompris/properties.c there is a test:
>>>if (!strcmp(locale, "C"))
>>>
>>>It maybe that locale is set to NULL an causes a crash. Replace it be the
>>>line:
>>>if (!strcmp("C", "C"))
>>>
>>>Recompile install and run gcompris.
>>>
>>>
>>>
>>>
>>>
>>Did this and still no success. I made all attempts to make sure that
>>there is not something wrong in my altered config.status, but all
>>checked out o.k. As much as I can see, GDB shows the crash occuring in
>>gdataset.c (glib-2.2.3at the location):
>>
>>gpointer
>>g_datalist_id_get_data (GData **datalist,
>> GQuark key_id)
>>{
>> g_return_val_if_fail (datalist != NULL, NULL);
>>
>> if (key_id)
>> {
>> register GData *list;
>>
>>---> for (list = *datalist; list; list = list->next)
>> if (list->id == key_id)
>> return list->data;
>> }
>>
>> return NULL;
>>}
>>
>>As I trace the program, this function is visited many, many times, looks
>>like "list = list->next" may be assigning an unaccessable address. I am
>>downloading Version 4.0 and will test tomorrow. Please suggest further
>>what to do.
>>
>>yours
>>Richard
>>
>>
>>
>>>You maybe get the english only but at least we will progress.
>>>
>>>Bruno.
>>>
>>>Le ven 19/12/2003 à 20:35, Rob van Dam a écrit :
>>>
>>>
>>>
>>>
>>>>Bruno Coudoin wrote:
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>>Is there any trace when run in the console.
>>>>>Could you run it in gdb and send us the bt (backt trace). The gcompris
>>>>>version in src/gcompris/gcompris is compiled with debug in.
>>>>>
>>>>>Bruno.
>>>>>
>>>>>Le ven 19/12/2003 à 13:26, Rob van Dam a écrit :
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>>Hello,
>>>>>>
>>>>>>I have compiled v 4.2 with no errors. On startup Gcompris exits with a
>>>>>>segfault. (for user and root). A previous version 3.2 worked fine.
>>>>>>
>>>>>>Any idea what can be wrong?
>>>>>>
>>>>>>I have Gnome 2.2 libraries installed.
>>>>>>
>>>>>>I ran strace, but the output didn't help me (I can send this if you wish).
>>>>>>
>>>>>>Rob
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
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>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
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>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>When I run Gcompris from console the only message I see is a harmless
>>>>warning:
>>>>(gcompris:20389): WARNING **: Owner of /tmp/orbit-root is not the
>>>>current user.
>>>>
>>>>I attached a gdb and a strace output. If a need to run gdb with other
>>>>options please let me know.
>>>>
>>>>
>>>>Rob
>>>>
>>>>______________________________________________________________________
>>>>
>>>>(gdb) run
>>>>Starting program: /opt/kde-3.1/bin/gcompris gcompris
>>>>[New Thread 16384 (LWP 20389)]
>>>>
>>>>** (gcompris:20389): WARNING **: Owner of /tmp/orbit-root is not the current user
>>>>
>>>>Detaching after fork from child process 20392.
>>>>
>>>>Program received signal SIGSEGV, Segmentation fault.
>>>>[Switching to Thread 16384 (LWP 20389)]
>>>>0x080503da in gcompris_properties_new () at properties.c:64
>>>>64 if (!strcmp(locale, "C"))
>>>>(gdb) bt
>>>>#0 0x080503da in gcompris_properties_new () at properties.c:64
>>>>#1 0x0804e2ab in load_properties () at gcompris.c:471
>>>>#2 0x0804e5f5 in gcompris_init (argc=76, argv=0x4c) at gcompris.c:583
>>>>#3 0x0804d4cb in main (argc=0, argv=0x0) at main.c:32
>>>>(gdb)
>>>>
>>>>
>>>>
>>>>
>>>
>>>
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>>>
>>>
>>>
>>>
>
>
>
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