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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