[rkward-devel] Rkward crashes on Fedora

[stfs]

Hi
I'm seeing a crash in ubuntu 8.10 now after updating to R2.9 with rkward 
0.5c (the deb package I built locally) after a svn-source install 
(/usr/local/bin) it works fine again.

I have done the tests suggested by Thomas on the good and the bad 
version and can send the output it they are still needed.

Regards
Finn

On 2009-04-20 12:57, Pierre-Yves wrote:
> On Fri, 2009-04-17 at 23:15 +0200, Thomas Friedrichsmeier wrote:
>   
>> Hi Pierre,
>>
>> On Wednesday 15 April 2009, Pierre-Yves wrote:
>>     
>>> Do you have by any change an idea to solve it ?
>>>       
>> I have no good idea on why this is happening. Perhaps one of these pointers 
>> will provide a useful cue to work with:
>>
>> 1. The symbol "_ZNK7QString11lastIndexOfER7QRegExpi" should be in Qt. More 
>> precisely in libQtCore.so . You can run something like
>> 	strings /usr/lib/libQtCore.so | grep "lastIndexOf"
>> to verify it really exists (with that precise name).
>>
>> Interestingly, here (on Debian), the symbol is 
>> called "_ZNK7QString11lastIndexOfERK7QRegExpi". That's real close, but note 
>> the missing "K".
>>
>>     
> @pingouLab ~]$ strings /usr/lib64/libQtCore.so | grep "lastIndexOf"
> _ZNK10QByteArray11lastIndexOfEci
> _ZNK10QByteArray11lastIndexOfERKS_i
> _ZNK7QString11lastIndexOfE5QChariN2Qt15CaseSensitivityE
> _ZNK7QString11lastIndexOfERK7QRegExpi
> _ZNK7QString11lastIndexOfERKS_iN2Qt15CaseSensitivityE
> _ZN9QtPrivate23QStringList_lastIndexOfEPK11QStringListRK7QRegExpi
>
> On the computer where rkward crashes (after installing qt-devel)
> @pingouRed ~]$ strings /usr/lib/libQtCore.so | grep "lastIndexOf"
> _ZNK10QByteArray11lastIndexOfEci
> _ZNK10QByteArray11lastIndexOfERKS_i
> _ZNK7QString11lastIndexOfE5QChariN2Qt15CaseSensitivityE
> _ZNK7QString11lastIndexOfERK7QRegExpi
> _ZNK7QString11lastIndexOfERKS_iN2Qt15CaseSensitivityE
> _ZN9QtPrivate23QStringList_lastIndexOfEPK11QStringListRK7QRegExpi
>
>
>   
>> 1b. Running
>> 	strings /path/to/rkward.bin | grep "lastIndexOf"
>> should contain that precise string as well.
>>
>>     
>
> I have some weird results here:
> @pingouRed ~]$ strings /usr/bin/rkward.bin | grep "lastIndexOf"
> _ZNK7QString11lastIndexOfE5QChariN2Qt15CaseSensitivityE
> _ZNK7QString11lastIndexOfERKS_iN2Qt15CaseSensitivityE
> _ZNK7QString11lastIndexOfER7QRegExpi
> ----- From the computer on which rkward crashes
> @pingouLab ~]$ strings /usr/bin/rkward.bin | grep "lastIndexOf"
> _ZNK7QString11lastIndexOfE5QChariN2Qt15CaseSensitivityE
> _ZNK7QString11lastIndexOfERKS_iN2Qt15CaseSensitivityE
> _ZNK7QString11lastIndexOfERK7QRegExpi
> ----- From the computer on which rkward does *not* crash
>
>   
>> 2. If you manage to have one version of rkward with that crash and one 
>> without, running
>> 	ldd /path/to/rkward.bin
>> on both binaries could possibly show a relevant difference.
>>
>>     
> Where it crashes:
> http://fpaste.org/paste/9599
> Where is does not crash:
> http://fpaste.org/paste/9600
>
>   
>> 3. Assuming something is going wrong inside rkward code, perhaps trashing some 
>> memory locations in a strange way, it would be helpful to have the precise 
>> context. Try running
>> 	rkward --debug-level 5
>> produce the crash and post the last ~20 lines just before the "undefined 
>> symbol" message. Please do this several times to make sure the context stays 
>> the same. If it does not, post several versions.
>>     
> First trial:
> http://fpaste.org/paste/9596
> Second:
> http://fpaste.org/paste/9597
> Third:
> http://fpaste.org/paste/9598
>
> I am wondering if I don't miss the requirement on qt-devel when I build
> the package, I will do some test in this direction.
>
> Thanks for your help,
> Best regards,
> Pierre
>
>
>
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