http://techbase.kde.org/Development/Tutorials/Debugging/How_to_create_useful_crash_reports

Backtraces that contain many lines of "(no debugging symbols found)" are not 
very useful to the devs. ;)

On Tuesday, October 23, 2007 10:49:06 am zwa wrote:
> ubuntu 7.10
> 2.6.22-14-generic
>
>
> kopete crash log:
>
> (no debugging symbols found)
> Using host libthread_db library "/lib/tls/i686/cmov/libthread_db.so.1".
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> [Thread debugging using libthread_db enabled]
> [New Thread -1241552400 (LWP 6482)]
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> [KCrash handler]
> #6  0xb59a511a in MSNAccount::slotNotifySocketClosed ()
>    from /usr/lib/libkopete_msn_shared.so.0
> #7  0xb59ad668 in MSNAccount::qt_invoke ()
>    from /usr/lib/libkopete_msn_shared.so.0
> #8  0xb6896893 in QObject::activate_signal () from /usr/lib/libqt-mt.so.3
> #9  0xb6897338 in QObject::activate_signal () from /usr/lib/libqt-mt.so.3
> #10 0xb59b68dc in MSNSocket::socketClosed ()
>    from /usr/lib/libkopete_msn_shared.so.0
> #11 0xb59ca4cd in MSNNotifySocket::disconnect ()
>    from /usr/lib/libkopete_msn_shared.so.0
> #12 0xb59c6f3b in MSNNotifySocket::sslLoginFailed ()
>    from /usr/lib/libkopete_msn_shared.so.0
> #13 0xb59cd0f5 in MSNNotifySocket::qt_invoke ()
>    from /usr/lib/libkopete_msn_shared.so.0
> #14 0xb6896893 in QObject::activate_signal () from /usr/lib/libqt-mt.so.3
> #15 0xb6897338 in QObject::activate_signal () from /usr/lib/libqt-mt.so.3
> #16 0xb59e716c in MSNSecureLoginHandler::loginFailed ()
>    from /usr/lib/libkopete_msn_shared.so.0
> #17 0xb59e740f in MSNSecureLoginHandler::slotTweenerReceived ()
>    from /usr/lib/libkopete_msn_shared.so.0
> #18 0xb59e85a6 in MSNSecureLoginHandler::qt_invoke ()
>    from /usr/lib/libkopete_msn_shared.so.0
> #19 0xb6896893 in QObject::activate_signal () from /usr/lib/libqt-mt.so.3
> #20 0xb74d1021 in KIO::Job::result () from /usr/lib/libkio.so.4
> #21 0xb75298cd in KIO::Job::emitResult () from /usr/lib/libkio.so.4
> #22 0xb7529d2e in KIO::SimpleJob::slotFinished () from /usr/lib/libkio.so.4
> #23 0xb752a43d in KIO::TransferJob::slotFinished () from
> /usr/lib/libkio.so.4 #24 0xb7529301 in KIO::SimpleJob::qt_invoke () from
> /usr/lib/libkio.so.4 #25 0xb7529363 in KIO::TransferJob::qt_invoke () from
> /usr/lib/libkio.so.4 #26 0xb6896893 in QObject::activate_signal () from
> /usr/lib/libqt-mt.so.3 #27 0xb6c228ec in QSignal::signal () from
> /usr/lib/libqt-mt.so.3
> #28 0xb68b6842 in QSignal::activate () from /usr/lib/libqt-mt.so.3
> #29 0xb68be258 in QSingleShotTimer::event () from /usr/lib/libqt-mt.so.3
> #30 0xb682daf0 in QApplication::internalNotify () from
> /usr/lib/libqt-mt.so.3 #31 0xb682f91f in QApplication::notify () from
> /usr/lib/libqt-mt.so.3 #32 0xb6ff3ca2 in KApplication::notify () from
> /usr/lib/libkdecore.so.4 #33 0xb67c0209 in QApplication::sendEvent () from
> /usr/lib/libqt-mt.so.3 #34 0xb682053b in QEventLoop::activateTimers () from
> /usr/lib/libqt-mt.so.3 #35 0xb67d4d49 in QEventLoop::processEvents () from
> /usr/lib/libqt-mt.so.3 #36 0xb68481ce in QEventLoop::enterLoop () from
> /usr/lib/libqt-mt.so.3 #37 0xb6847fde in QEventLoop::exec () from
> /usr/lib/libqt-mt.so.3
> #38 0xb682f699 in QApplication::exec () from /usr/lib/libqt-mt.so.3
> #39 0x0807f95c in ?? ()
> #40 0xbffafb34 in ?? ()
> #41 0xbffafb2c in ?? ()
> #42 0xbffafb24 in ?? ()
> #43 0x00000000 in ?? ()
>
>
> Terminal messages:
>
> # kopete
> X Error: BadDevice, invalid or uninitialized input device 171
>   Major opcode:  149
>   Minor opcode:  3
>   Resource id:  0x0
> Failed to open device
> X Error: BadDevice, invalid or uninitialized input device 171
>   Major opcode:  149
>   Minor opcode:  3
>   Resource id:  0x0
> Failed to open device
> asdx@jokel8:~$ VIDIOC_STREAMOFF error 22, Argumento inválido
> MNG error 1029: Chunk out of sequence; chunk TERM; subcode 0:0
> MNG error 1029: Chunk out of sequence; chunk TERM; subcode 0:0
> MNG error 1029: Chunk out of sequence; chunk TERM; subcode 0:0
> MNG error 1029: Chunk out of sequence; chunk TERM; subcode 0:0
> MNG error 1029: Chunk out of sequence; chunk TERM; subcode 0:0
> MNG error 1029: Chunk out of sequence; chunk TERM; subcode 0:0
> MNG error 1029: Chunk out of sequence; chunk TERM; subcode 0:0
> MNG error 1029: Chunk out of sequence; chunk TERM; subcode 0:0
> MNG error 1029: Chunk out of sequence; chunk TERM; subcode 0:0
> MNG error 1029: Chunk out of sequence; chunk TERM; subcode 0:0
> MNG error 1029: Chunk out of sequence; chunk TERM; subcode 0:0
> MNG error 1029: Chunk out of sequence; chunk TERM; subcode 0:0
> MNG error 1029: Chunk out of sequence; chunk TERM; subcode 0:0
> MNG error 1029: Chunk out of sequence; chunk TERM; subcode 0:0
> MNG error 1029: Chunk out of sequence; chunk TERM; subcode 0:0
> MNG error 1029: Chunk out of sequence; chunk TERM; subcode 0:0
> MNG error 1029: Chunk out of sequence; chunk TERM; subcode 0:0
> MNG error 1029: Chunk out of sequence; chunk TERM; subcode 0:0
> MNG error 1029: Chunk out of sequence; chunk TERM; subcode 0:0
> MNG error 1029: Chunk out of sequence; chunk TERM; subcode 0:0
> QGDict::hashKeyString: Invalid null key
> QGDict::hashKeyString: Invalid null key
> kopete: ERROR: : couldn't create slave : Imposible crear slave de E/S:
> Klauncher devolvió: Protocolo desconocido ''.
> kopete:
> KCrash: Application 'kopete' crashing...