Re: [kphone-devel] Debug-Segmentation fault

[Yong S. C. <ys_...@ho...>]

Hi,Klaus
Thanks for your advice.

I knew that you have a KphoneSI-ipv6. May I know when is this KphoneSi-ipv6 
will be published?
If published, can you please send me the URL to let me have a look? Thanks!

Regards,
Siang





From:  kgf...@t-... (Klaus Fleischmann)
To:  Yong Seong Cheong <ys_...@ho...>
CC:  kph...@li...
Subject:  Re: [kphone-devel] Debug-Segmentation fault
Date:  Sun, 25 Mar 2007 15:04:59 +0200
>It seems you either use inet_pton for a wrong purpose or supply it with 
>wrong formats. You possibly should have a look into kphone's CVS, module 
>kphoneSI!
>Yong Seong Cheong wrote:
>>Hi all,
>>
>>I'm doing VoIPv6 research. I've implement the Kphone-4.2 to IPv6 capable 
>>which refered to the coding of Kphone-3.11-ipv6 by Pekka Raisio, Jouni 
>>Vuorela and Juha Heinanen.
>>
>>The initial application of this Kphone-4.2 was working fine. After I added 
>>those IPv6 functions into it, Kphone-4.2-ipv6 still able to run. 
>>Kphone-4.2-ipv6 was working fine with IPv4 address. But, once I press 
>>"dial" (to call out with IPv6 address), an error "Segmentation Fault" was 
>>occured.
>>
>>Specifications of my system are shown as below:
>>1. Linux Fedora Core 5 Kernel 2.6
>>2. KDE 3.3
>>3. qt library and qt-devel  library version 3.3
>>
>>I used GDB debugger to trace back the error part. Here is the backtrace:
>>
>>Program received signal SIGSEGV, Segmentation fault.
>>[Switching to Thread -1208215888 (LWP 4501)]
>>0x005cb605 in inet_pton () from /lib/libc.so.6
>>(gdb) backtrace
>>#0  0x005cb605 in inet_pton () from /lib/libc.so.6
>>#1  0x080ec75c in SdpMessage::setIpAddress ()
>>#2  0x08092b10 in CallAudio::audioOut ()
>>#3  0x0808483d in KCallWidget::dialClicked ()
>>#4  0x0808f13d in KCallWidget::qt_invoke ()
>>#5  0x0123ecaa in QObject::activate_signal ()
>>    from /usr/lib/qt-3.3/lib/libqt-mt.so.3
>>#6  0x0123f63d in QObject::activate_signal ()
>>    from /usr/lib/qt-3.3/lib/libqt-mt.so.3
>>#7  0x015d01cc in QButton::clicked () from 
>>/usr/lib/qt-3.3/lib/libqt-mt.so.3
>>#8  0x012e15d3 in QButton::mouseReleaseEvent ()
>>    from /usr/lib/qt-3.3/lib/libqt-mt.so.3
>>#9  0x0127b065 in QWidget::event () from /usr/lib/qt-3.3/lib/libqt-mt.so.3
>>#10 0x011d641b in QApplication::internalNotify ()
>>    from /usr/lib/qt-3.3/lib/libqt-mt.so.3
>>#11 0x011d7c1a in QApplication::notify ()
>>    from /usr/lib/qt-3.3/lib/libqt-mt.so.3
>>#12 0x0116e044 in QETWidget::translateMouseEvent ()
>>    from /usr/lib/qt-3.3/lib/libqt-mt.so.3
>>#13 0x0116cb4f in QApplication::x11ProcessEvent ()
>>    from /usr/lib/qt-3.3/lib/libqt-mt.so.3
>>#14 0x0117ea7b in QEventLoop::processEvents ()
>>    from /usr/lib/qt-3.3/lib/libqt-mt.so.3
>>#15 0x011efb35 in QEventLoop::enterLoop ()
>>    from /usr/lib/qt-3.3/lib/libqt-mt.so.3
>>#16 0x011ef9de in QEventLoop::exec () from 
>>/usr/lib/qt-3.3/lib/libqt-mt.so.3
>>#17 0x011d605f in QApplication::exec () from 
>>/usr/lib/qt-3.3/lib/libqt-mt.so.3
>>#18 0x080598be in main ()
>>
>>To be honest, I'm new in debugging. After backtrace, I've tried to set a 
>>breakpoint to audioOut().
>>Here is the main problem that I'm facing now, I don't know what's the next 
>>steps after setting a breakpoint. Can some one please guide me? Which 
>>function is most probabily my problem come from? Thanks!
>>
>>Regards,
>>Siang
>>
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>>
>>

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