Qt Application crashing with IBM rational purify.
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Hi,
I think that no one can help without any source code.
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hi,
I m getting memeory leaks in Qt Dll's.
following in UMC log.[W] UMC: Uninitialized memory copy in QMutexData::QMutexData(RecursionMode::QMutex) {1 occurrence}
Copying 4 bytes from 0x049aaadc (4 bytes at 0x049aaadc uninitialized)
Address 0x049aaadc is 4 bytes into a 40 byte block at 0x049aaad8
Address 0x049aaadc points to a C++ new block in heap 0x049a0000
Thread ID: 0x15f0
Error location
QMutexData::QMutexData(RecursionMode::QMutex) [c:\QT\4.8.1\BIN\QTCORED4.DLL:95]
QMutexPrivate::QMutexPrivate(RecursionMode::QMutex) [c:\iwmake\build_vs2010_opensource_________________PADDING_________________\src\corelib\tmp\obj\debug_shared\qmutex_win.obj:52]
QMutex::QMutex(RecursionMode::QMutex) [c:\iwmake\build_vs2010_opensource_________________PADDING_________________\src\corelib\tmp\obj\debug_shared\qmutex.obj:126]
dynamic initializer for 'qt_adopted_thread_watcher_mutex'' [C:\QT\4.8.1\BIN\QTCORED4.DLL:159] CRT_INIT [C:\QT\4.8.1\BIN\QTCORED4.DLL:284] _DllMainCRTStartup [C:\QT\4.8.1\BIN\QTCORED4.DLL:506] DllMainCRTStartup [C:\QT\4.8.1\BIN\QTCORED4.DLL:476] Allocation location new(UINT) [C:\QT\4.8.1\BIN\QTCORED4.DLL] QMutex::QMutex(RecursionMode::QMutex) [c:\iwmake\build_vs2010_opensource_________________PADDING_________________\src\corelib\tmp\obj\debug_shared\qmutex.obj:126]dynamic initializer for 'qt_adopted_thread_watcher_mutex'' [C:\QT\4.8.1\BIN\QTCORED4.DLL:159]
CRT_INIT [C:\QT\4.8.1\BIN\QTCORED4.DLL:284]
_DllMainCRTStartup [C:\QT\4.8.1\BIN\QTCORED4.DLL:506]
DllMainCRTStartup [C:\QT\4.8.1\BIN\QTCORED4.DLL:476]
[W] UMC: Uninitialized memory copy in QMutexData::QMutexData(RecursionMode::QMutex) {1 occurrence}
Regards,
prem -
Hi,
Can you reproduce this problem using a very simply Qt application or using one of the examples provided by Qt?
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Hi,
I tried with one of the Qt example , i used configdialog.exe from dialog example.
Below is the UMC log for the same.[I] Starting Purify'd C:\Documents and Settings\user\Desktop\dialogs\configdialog\debug\configdialog.exe at 7/12/2013 11:16:30
[I] Starting main
[O] Pure: Purify requires that a module from the Microsoft DIA SDK be installed in order to provide details about symbolic data in the code being analyzed.
[W] UMR: Uninitialized memory read in QString::QString(int,Initialization::Qt) {1 occurrence}
Reading 2 bytes from 0x0494bef0 (2 bytes at 0x0494bef0 uninitialized)
Address 0x0494bef0 is 16 bytes into a 652 byte block at 0x0494bee0
Address 0x0494bef0 points to a malloc'd block in heap 0x04940000
Thread ID: 0x1614
Error location
QString::QString(int,Initialization::Qt) [c:\iwmake\build_vs2010_opensource_________________PADDING_________________\src\corelib\tmp\obj\debug_shared\qstring.obj:1145]
QUtf16::convertToUnicode(char const*,int,ConverterState::QTextCodec ,DataEndianness) [c:\iwmake\build_vs2010_opensource_________________PADDING_________________\src\corelib\tmp\obj\debug_shared\qutfcodec.obj:331]
QString::fromUtf16(WORD const,int) [c:\iwmake\build_vs2010_opensource_________________PADDING_________________\src\corelib\tmp\obj\debug_shared\qstring.obj:4049]
QString::fromWCharArray(WORD const*,int) [c:\iwmake\build_vs2010_opensource_________________PADDING_________________\src\corelib\tmp\obj\debug_shared\qstring.obj:964]
WinMain [.\tmp\obj\debug_shared\qtmain_win.obj:93]
tmainCRTStartup [C:\Documents and Settings\pkbalakrishnan\Desktop\dialogs\configdialog\debug\configdialog.exe:547]
WinMainCRTStartup [C:\Documents and Settings\pkbalakrishnan\Desktop\dialogs\configdialog\debug\configdialog.exe:370]
Allocation location
malloc [C:\WINDOWS\SYSTEM32\MSVCR100D.DLL]
qMalloc(UINT) [c:\iwmake\build_vs2010_opensource_________________PADDING________________\src\corelib\tmp\obj\debug_shared\qmalloc.obj:55]
QString::QString(int,Initialization::Qt) [c:\iwmake\build_vs2010_opensource_________________PADDING_________________\src\corelib\tmp\obj\debug_shared\qstring.obj:1141]
QUtf16::convertToUnicode(char const*,int,ConverterState::QTextCodec ,DataEndianness) [c:\iwmake\build_vs2010_opensource_________________PADDING_________________\src\corelib\tmp\obj\debug_shared\qutfcodec.obj:331]
QString::fromUtf16(WORD const,int) [c:\iwmake\build_vs2010_opensource_________________PADDING_________________\src\corelib\tmp\obj\debug_shared\qstring.obj:4049]
QString::fromWCharArray(WORD const*,int) [c:\iwmake\build_vs2010_opensource_________________PADDING_________________\src\corelib\tmp\obj\debug_shared\qstring.obj:964]
WinMain [.\tmp\obj\debug_shared\qtmain_win.obj:93]
_tmainCRTStartup [C:\Documents and Settings\pkbalakrishnan\Desktop\dialogs\configdialog\debug\configdialog.exe:547]
WinMainCRTStartup [C:\Documents and Settings\pkbalakrishnan\Desktop\dialogs\configdialog\debug\configdialog.exe:370]
[I] Program terminated at 7/12/2013 11:16:35Regards,
Prem