Application: kcachegrind (0.7.4kde)
KDE Platform Version: 4.11.5
Qt Version: 4.8.4
Operating System: Linux 3.11.0-12-generic x86_64
Distribution: Linux Mint 16 Petra

-- Information about the crash:
- What I was doing when the application crashed:

-Start the Kcachegrind with saved profile from pervious runinng
-Choose menuitem File->Forced unload (Ctrl+Shift+Z)
-Segmentation fault

I also try to find the issue

-- Backtrace:
Application: KCachegrind (kcachegrind), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f980cc617c0 (LWP 4493))]

Thread 2 (Thread 0x7f97f97cf700 (LWP 4494)):
#0  __pthread_mutex_unlock_usercnt (mutex=0x7f97f4000a60, decr=1) at pthread_mutex_unlock.c:37
#1  0x00007f9806f593d1 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9806f1955d in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9806f197ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f980a86ea76 in QEventDispatcherGlib::processEvents (this=0x7f97f40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#5  0x00007f980a8405ef in QEventLoop::processEvents (this=this@entry=0x7f97f97ced70, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007f980a8408e5 in QEventLoop::exec (this=this@entry=0x7f97f97ced70, flags=...) at kernel/qeventloop.cpp:204
#7  0x00007f980a73f88f in QThread::exec (this=this@entry=0x9387080) at thread/qthread.cpp:542
#8  0x00007f980a821d13 in QInotifyFileSystemWatcherEngine::run (this=0x9387080) at io/qfilesystemwatcher_inotify.cpp:265
#9  0x00007f980a741f2f in QThreadPrivate::start (arg=0x9387080) at thread/qthread_unix.cpp:338
#10 0x00007f98073f1f6e in start_thread (arg=0x7f97f97cf700) at pthread_create.c:311
#11 0x00007f9809df19cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 1 (Thread 0x7f980cc617c0 (LWP 4493)):
[KCrash Handler]
#6  0x0000000000433ecb in EventType::histCost (this=this@entry=0xd365e0, c=c@entry=0xfe253a0, total=29981288144, hist=hist@entry=0x7fff84a21370) at ../../libcore/eventtype.cpp:222
#7  0x0000000000481634 in costPixmap (ct=ct@entry=0xd365e0, cost=0xfe253a0, total=<optimized out>, framed=framed@entry=false) at ../../libviews/listutils.cpp:230
#8  0x000000000047bf98 in PartItem::pixmap (this=0x1a52980, i=<optimized out>) at ../../libviews/partgraph.cpp:287
#9  0x000000000046259c in RectDrawing::drawField (this=this@entry=0x7fff84a21ba0, p=p@entry=0x7fff84a21e00, f=f@entry=1, dp=dp@entry=0x1a52980) at ../../libviews/treemap.cpp:619
#10 0x0000000000463871 in TreeMapWidget::drawItems (this=this@entry=0xaba930, p=p@entry=0x7fff84a21e00, item=item@entry=0x1a52980) at ../../libviews/treemap.cpp:2373
#11 0x00000000004647ac in TreeMapWidget::drawItemArray (this=0xaba930, p=0x7fff84a21e00, item=0xab72f0, r=..., user_sum=<optimized out>, list=0xd7caf50, idx=<optimized out>, len=3, goBack=false) at ../../libviews/treemap.cpp:2785
#12 0x000000000046447b in TreeMapWidget::drawItems (this=this@entry=0xaba930, p=p@entry=0x7fff84a21e00, item=0xab72f0) at ../../libviews/treemap.cpp:2606
#13 0x0000000000464fd6 in TreeMapWidget::drawTreeMap (this=0xaba930) at ../../libviews/treemap.cpp:2211
#14 0x00007f980b4fd104 in QWidget::event (this=this@entry=0xaba930, event=event@entry=0x7fff84a222d0) at kernel/qwidget.cpp:8532
#15 0x0000000000466426 in TreeMapWidget::event (this=0xaba930, event=0x7fff84a222d0) at ../../libviews/treemap.cpp:2168
#16 0x00007f980b4addfc in QApplicationPrivate::notify_helper (this=this@entry=0x91a960, receiver=receiver@entry=0xaba930, e=e@entry=0x7fff84a222d0) at kernel/qapplication.cpp:4567
#17 0x00007f980b4b4470 in QApplication::notify (this=this@entry=0x7fff84a24190, receiver=receiver@entry=0xaba930, e=e@entry=0x7fff84a222d0) at kernel/qapplication.cpp:4353
#18 0x00007f980c1b7a6a in KApplication::notify (this=0x7fff84a24190, receiver=0xaba930, event=0x7fff84a222d0) at ../../kdeui/kernel/kapplication.cpp:311
#19 0x00007f980a8418bd in QCoreApplication::notifyInternal (this=0x7fff84a24190, receiver=receiver@entry=0xaba930, event=event@entry=0x7fff84a222d0) at kernel/qcoreapplication.cpp:946
#20 0x00007f980b4f7811 in sendSpontaneousEvent (event=0x7fff84a222d0, receiver=0xaba930) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:234
#21 QWidgetPrivate::drawWidget (this=this@entry=0xad3930, pdev=pdev@entry=0xd0bf00, rgn=..., offset=..., flags=flags@entry=4, sharedPainter=sharedPainter@entry=0x0, backingStore=backingStore@entry=0xcbcea0) at kernel/qwidget.cpp:5598
#22 0x00007f980b4f8240 in QWidgetPrivate::paintSiblingsRecursive (this=this@entry=0xb0d5d0, pdev=pdev@entry=0xd0bf00, siblings=..., index=<optimized out>, rgn=..., offset=..., flags=flags@entry=4, sharedPainter=sharedPainter@entry=0x0, backingStore=backingStore@entry=0xcbcea0) at kernel/qwidget.cpp:5807
#23 0x00007f980b4f73cc in QWidgetPrivate::drawWidget (this=this@entry=0xb0d5d0, pdev=pdev@entry=0xd0bf00, rgn=..., offset=..., flags=flags@entry=4, sharedPainter=sharedPainter@entry=0x0, backingStore=backingStore@entry=0xcbcea0) at kernel/qwidget.cpp:5651
#24 0x00007f980b4f8240 in QWidgetPrivate::paintSiblingsRecursive (this=this@entry=0xb3c530, pdev=pdev@entry=0xd0bf00, siblings=..., index=<optimized out>, rgn=..., offset=..., flags=flags@entry=4, sharedPainter=sharedPainter@entry=0x0, backingStore=backingStore@entry=0xcbcea0) at kernel/qwidget.cpp:5807
#25 0x00007f980b4f73cc in QWidgetPrivate::drawWidget (this=this@entry=0xb3c530, pdev=pdev@entry=0xd0bf00, rgn=..., offset=..., flags=flags@entry=4, sharedPainter=sharedPainter@entry=0x0, backingStore=backingStore@entry=0xcbcea0) at kernel/qwidget.cpp:5651
#26 0x00007f980b4f8240 in QWidgetPrivate::paintSiblingsRecursive (this=this@entry=0xabea80, pdev=pdev@entry=0xd0bf00, siblings=..., index=<optimized out>, index@entry=7, rgn=..., offset=..., flags=flags@entry=4, sharedPainter=sharedPainter@entry=0x0, backingStore=backingStore@entry=0xcbcea0) at kernel/qwidget.cpp:5807
#27 0x00007f980b4f80af in QWidgetPrivate::paintSiblingsRecursive (this=this@entry=0xabea80, pdev=pdev@entry=0xd0bf00, siblings=..., index=7, index@entry=8, rgn=..., offset=..., flags=flags@entry=4, sharedPainter=sharedPainter@entry=0x0, backingStore=backingStore@entry=0xcbcea0) at kernel/qwidget.cpp:5794
#28 0x00007f980b4f80af in QWidgetPrivate::paintSiblingsRecursive (this=this@entry=0xabea80, pdev=pdev@entry=0xd0bf00, siblings=..., index=8, index@entry=24, rgn=..., offset=..., flags=flags@entry=4, sharedPainter=sharedPainter@entry=0x0, backingStore=backingStore@entry=0xcbcea0) at kernel/qwidget.cpp:5794
#29 0x00007f980b4f80af in QWidgetPrivate::paintSiblingsRecursive (this=this@entry=0xabea80, pdev=pdev@entry=0xd0bf00, siblings=..., index=24, index@entry=25, rgn=..., offset=..., flags=flags@entry=4, sharedPainter=sharedPainter@entry=0x0, backingStore=backingStore@entry=0xcbcea0) at kernel/qwidget.cpp:5794
#30 0x00007f980b4f80af in QWidgetPrivate::paintSiblingsRecursive (this=this@entry=0xabea80, pdev=pdev@entry=0xd0bf00, siblings=..., index=25, rgn=..., offset=..., flags=flags@entry=4, sharedPainter=sharedPainter@entry=0x0, backingStore=backingStore@entry=0xcbcea0) at kernel/qwidget.cpp:5794
#31 0x00007f980b4f73cc in QWidgetPrivate::drawWidget (this=0xabea80, pdev=0xd0bf00, rgn=..., offset=..., flags=flags@entry=5, sharedPainter=sharedPainter@entry=0x0, backingStore=backingStore@entry=0xcbcea0) at kernel/qwidget.cpp:5651
#32 0x00007f980b6b9f9e in QWidgetBackingStore::sync (this=0xcbcea0) at painting/qbackingstore.cpp:1373
#33 0x00007f980b4ecfc0 in QWidgetPrivate::syncBackingStore (this=this@entry=0xabea80) at kernel/qwidget.cpp:1896
#34 0x00007f980b4fcc82 in QWidget::event (this=this@entry=0xabe830, event=event@entry=0x7fff84a23630) at kernel/qwidget.cpp:8679
#35 0x00007f980b8b6db3 in QMainWindow::event (this=this@entry=0xabe830, event=event@entry=0x7fff84a23630) at widgets/qmainwindow.cpp:1478
#36 0x00007f980c26bf81 in KMainWindow::event (this=this@entry=0xabe830, ev=ev@entry=0x7fff84a23630) at ../../kdeui/widgets/kmainwindow.cpp:1084
#37 0x00007f980c2a3a29 in KXmlGuiWindow::event (this=0xabe830, ev=0x7fff84a23630) at ../../kdeui/xmlgui/kxmlguiwindow.cpp:126
#38 0x00007f980b4addfc in QApplicationPrivate::notify_helper (this=this@entry=0x91a960, receiver=receiver@entry=0xabe830, e=e@entry=0x7fff84a23630) at kernel/qapplication.cpp:4567
#39 0x00007f980b4b4470 in QApplication::notify (this=this@entry=0x7fff84a24190, receiver=receiver@entry=0xabe830, e=e@entry=0x7fff84a23630) at kernel/qapplication.cpp:4353
#40 0x00007f980c1b7a6a in KApplication::notify (this=0x7fff84a24190, receiver=0xabe830, event=0x7fff84a23630) at ../../kdeui/kernel/kapplication.cpp:311
#41 0x00007f980a8418bd in QCoreApplication::notifyInternal (this=0x7fff84a24190, receiver=receiver@entry=0xabe830, event=event@entry=0x7fff84a23630) at kernel/qcoreapplication.cpp:946
#42 0x00007f980b6bb970 in sendEvent (event=0x7fff84a23630, receiver=0xabe830) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#43 sendUpdateRequest (updateImmediately=true, widget=0xabe830) at painting/qbackingstore.cpp:534
#44 QWidgetBackingStore::markDirty (this=0xcbcea0, rect=..., widget=widget@entry=0x9f0b30, updateImmediately=updateImmediately@entry=true, invalidateBuffer=invalidateBuffer@entry=false) at painting/qbackingstore.cpp:722
#45 0x00007f980b4ed2d5 in QWidget::repaint (this=this@entry=0x9f0b30, rect=...) at kernel/qwidget.cpp:10481
#46 0x00007f980b8f6613 in QStatusBar::hideOrShow (this=0x9f0b30) at widgets/qstatusbar.cpp:703
#47 0x00007f980b8f668b in QStatusBar::showMessage (this=<optimized out>, message=..., timeout=timeout@entry=1000) at widgets/qstatusbar.cpp:616
#48 0x0000000000420ec0 in TopLevel::updateLayoutActions (this=this@entry=0xabe830) at ../../kcachegrind/toplevel.cpp:1826
#49 0x00000000004280fb in TopLevel::restoreTraceTypes (this=this@entry=0xabe830) at ../../kcachegrind/toplevel.cpp:1679
#50 0x00000000004287d2 in TopLevel::setData (this=this@entry=0xabe830, data=data@entry=0xfdfbab0) at ../../kcachegrind/toplevel.cpp:1495
#51 0x0000000000428b8e in setData (data=0xfdfbab0, this=0xabe830) at ../../kcachegrind/toplevel.cpp:1437
#52 TopLevel::openDataFile (this=this@entry=0xabe830, file=...) at ../../kcachegrind/toplevel.cpp:2378
#53 0x0000000000428fc6 in TopLevel::reload (this=0xabe830) at ../../kcachegrind/toplevel.cpp:1063
#54 0x000000000042ace5 in TopLevel::qt_static_metacall (_o=0xabe830, _id=266490784, _a=0x7fff84a21370, _c=<optimized out>) at ./toplevel.moc:210
#55 0x00007f980a855a58 in QMetaObject::activate (sender=sender@entry=0xfe24a50, m=m@entry=0x7f980aba1e40 <QSingleShotTimer::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x0) at kernel/qobject.cpp:3539
#56 0x00007f980a85e88a in timeout (this=0xfe24a50) at .moc/release-shared/qtimer.moc:97
#57 QSingleShotTimer::timerEvent (this=0xfe24a50) at kernel/qtimer.cpp:317
#58 0x00007f980a859be1 in QObject::event (this=0xfe24a50, e=<optimized out>) at kernel/qobject.cpp:1156
#59 0x00007f980b4addfc in QApplicationPrivate::notify_helper (this=this@entry=0x91a960, receiver=receiver@entry=0xfe24a50, e=e@entry=0x7fff84a23e10) at kernel/qapplication.cpp:4567
#60 0x00007f980b4b4470 in QApplication::notify (this=this@entry=0x7fff84a24190, receiver=receiver@entry=0xfe24a50, e=e@entry=0x7fff84a23e10) at kernel/qapplication.cpp:4353
#61 0x00007f980c1b7a6a in KApplication::notify (this=0x7fff84a24190, receiver=0xfe24a50, event=0x7fff84a23e10) at ../../kdeui/kernel/kapplication.cpp:311
#62 0x00007f980a8418bd in QCoreApplication::notifyInternal (this=0x7fff84a24190, receiver=0xfe24a50, event=0x7fff84a23e10) at kernel/qcoreapplication.cpp:946
#63 0x00007f980a871403 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#64 QTimerInfoList::activateTimers (this=0x91af10) at kernel/qeventdispatcher_unix.cpp:622
#65 0x00007f980a86e7d9 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:186
#66 idleTimerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:233
#67 0x00007f9806f193b6 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#68 0x00007f9806f19708 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#69 0x00007f9806f197ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#70 0x00007f980a86ea55 in QEventDispatcherGlib::processEvents (this=0x8f1830, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#71 0x00007f980b54f9d6 in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#72 0x00007f980a8405ef in QEventLoop::processEvents (this=this@entry=0x7fff84a24090, flags=...) at kernel/qeventloop.cpp:149
#73 0x00007f980a8408e5 in QEventLoop::exec (this=this@entry=0x7fff84a24090, flags=...) at kernel/qeventloop.cpp:204
#74 0x00007f980a845e5b in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#75 0x00007f980b4ac34c in QApplication::exec () at kernel/qapplication.cpp:3828
#76 0x000000000041d6c4 in main (argc=3, argv=0x7fff84a242c8) at ../../kcachegrind/main.cpp:91

Reported using DrKonqi