[sword-devel] osis2mod segfault

[Manfred Bergmann]

Sure, you should have the OSIS XML in you mail.


Thanks,
Manfred


Am 05.07.2009 um 21:01 schrieb Troy A. Griffitts:

> Manfred,
>
> Is there a snippet of the input file that always causes the crash  
> that you could send so I could try to debug?
>
> Thanks for looking into this.
>
> 	-Troy.
>
>
>
> Manfred Bergmann wrote:
>> I've tried to debug it so here comes some more information.
>> The function stacktrace is like this:
>> main()
>> processOSIS()
>> handleToken()
>> sword::ListKey::increment()
>> sword::SWKey::operator++
>> sword::VerseKey::increment()
>> sword::VerseKey::Index()
>> [snip...]
>> around 130000 of those recursive calls in:
>> ----
>> initBounds();
>> if (i > upperBound) {
>> =>    i = Index(upperBound);
>>    error = KEYERR_OUTOFBOUNDS;
>> ----
>> looks like upperBound doesn't get initialized correctly so that  
>> another call to Index() happens.
>> [snap...]
>> sword::VerseKey::initBounds()
>> sword::SWKey::setLocale()
>> sword::stdstr()
>> in stdstr() a EXC_BAD_ACCESS signal is raised here:
>> delete [] *ipstr;
>> I believe this problem is because the stack is full due to the  
>> depth of the recursion.
>> The question is why is this recursion happening and why is  
>> upperBound not initialized correctly.
>> The program runs fine until book Joel. Those are the last lines  
>> console lines with debug flag 1|256:
>> -----------
>> DEBUG(WRITE): Joel.3.2:Joel.3.2: Sogar über die Sklaven und  
>> Sklavinnen werde ich dann meinen Geist ausgießen.
>> DEBUG(WRITE): Joel.3.3:Joel.3.3: Am Himmel und auf der Erde werde  
>> ich wunderbare Zeichen wirken: Blut, Feuer und Rauchwolken.
>> DEBUG(STACK): Joel.3.5: push (4) note
>> DEBUG(STACK): Joel.3.5: pop(4) note
>> DEBUG(WRITE): Joel.3.4:Joel.3.4: Die Sonne wird sich in Finsternis  
>> verwandeln und der Mond in Blut, bevor der große und furchtbare Tag  
>> Jahwes kommt.
>> DEBUG(WRITE): Joel.3.5:Joel.3.5: Dann wird jeder, der den Namen  
>> Jahwes anruft, gerettet werden <note n="1" osisID="Joel.3.5!1"  
>> osisRef="Joel.3.5">Die Verse 1-5 werden von Petrus während seiner  
>> Pfingstpredigt zitiert (). Vers 5 wird außerdem von Pauluszitiert.</ 
>> note>, denn auf dem Berg Zion und in Jerusalem wird es Rettung  
>> geben, wie Jahwe angekündigt hat. Bewahrt wird jeder, den Jahwe  
>> beruft.  <chapter eID="gen23315" osisID="Joel.3"/>
>> -----------
>> Any ideas?
>> Manfred
>> Am 04.07.2009 um 19:52 schrieb Manfred Bergmann:
>>> Hi.
>>>
>>> While creating an update of a module I encountered a segmentation  
>>> fault of osis2mod build of the latest svn HEAD.
>>> What do I need to do to help fix it?
>>>
>>> That's the backtrace of gdb:
>>> (gdb) bt
>>> #0  0x946bb42c in szone_free ()
>>> #1  0x946bb38d in free ()
>>> #2  0x00206a0d in sword::stdstr ()
>>> #3  0x001f9c4f in sword::SWKey::setLocale ()
>>> #4  0x001ffd04 in sword::VerseKey::initBounds ()
>>> #5  0x00203f25 in sword::VerseKey::Index ()
>>>
>>> sword::VerseKey::Index() is repeated until you press CTRL-C.
>>> The seg fault might be because of a recursion problem which makes  
>>> the stack full?
>>>
>>>
>>> Manfred
>>>
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>
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