Bug 300831

Application: kmail (4.8.2)
KDE Platform Version: 4.8.2 (4.8.2)
Qt Version: 4.8.1
Operating System: Linux 3.2.0-24-generic-pae i686
Distribution: Ubuntu 12.04 LTS

-- Information about the crash:
- What I was doing when the application crashed:
I opened KMail. I had 2 skype chat windows open. KMail crashed upon opening.

-- Backtrace:
Application: KMail (kmail), signal: Segmentation fault
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0xb1436740 (LWP 2132))]

Thread 7 (Thread 0xaf25eb40 (LWP 2135)):
#0  0xb5802dc8 in pthread_mutex_lock () from /lib/i386-linux-gnu/libpthread.so.0
#1  0xb5e6c5f4 in pthread_mutex_lock () from /lib/i386-linux-gnu/libc.so.6
#2  0xb44b3390 in g_mutex_lock () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb44735b6 in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb4473f6f in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb447452b in g_main_loop_run () from /lib/i386-linux-gnu/libglib-2.0.so.0
#6  0xaf5d90ea in ?? () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0
#7  0xb4497673 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#8  0xb5800d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#9  0xb5e5eace in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 6 (Thread 0xac363b40 (LWP 2147)):
#0  0xb76fc424 in __kernel_vsyscall ()
#1  0xb580496b in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0xb5e6c3dc in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0xb3818263 in ?? () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#4  0xb381837f in ?? () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#5  0xb5800d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#6  0xb5e5eace in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 5 (Thread 0xaba3ab40 (LWP 2148)):
#0  0xb6064287 in __i686.get_pc_thunk.bx () from /usr/lib/i386-linux-gnu/libQtCore.so.4
#1  0xb60e3226 in unixCheckClockType () at tools/qelapsedtimer_unix.cpp:74
#2  0xb60e32f7 in do_gettime (frac=0xaba3a040, sec=0xaba3a038) at tools/qelapsedtimer_unix.cpp:120
#3  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#4  0xb61cd226 in QTimerInfoList::updateCurrentTime (this=0xac6029cc) at kernel/qeventdispatcher_unix.cpp:343
#5  0xb61cce16 in timerSourceCheckHelper (src=0xac602998) at kernel/qeventdispatcher_glib.cpp:150
#6  timerSourceCheckHelper (src=0xac602998) at kernel/qeventdispatcher_glib.cpp:144
#7  0xb4473a6b in g_main_context_check () from /lib/i386-linux-gnu/libglib-2.0.so.0
#8  0xb4474002 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#9  0xb44741c1 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#10 0xb61cc8e7 in QEventDispatcherGlib::processEvents (this=0xac600df0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#11 0xb619850d in QEventLoop::processEvents (this=0xaba3a270, flags=...) at kernel/qeventloop.cpp:149
#12 0xb61987a9 in QEventLoop::exec (this=0xaba3a270, flags=...) at kernel/qeventloop.cpp:204
#13 0xb608194c in QThread::exec (this=0x8fcff28) at thread/qthread.cpp:501
#14 0xb6081a3b in QThread::run (this=0x8fcff28) at thread/qthread.cpp:568
#15 0xb6084de0 in QThreadPrivate::start (arg=0x8fcff28) at thread/qthread_unix.cpp:298
#16 0xb5800d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#17 0xb5e5eace in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 4 (Thread 0xaad08b40 (LWP 2159)):
[KCrash Handler]
#7  isEmpty (this=0x0) at ../../include/QtCore/../../src/corelib/tools/qhash.h:297
#8  QHash<void*, QByteArray>::remove (this=0x0, akey=@0xaad07d8c: 0xadf15558) at ../../include/QtCore/../../src/corelib/tools/qhash.h:786
#9  0xb60d61ce in QString::free (d=0xadf15558) at tools/qstring.cpp:1232
#10 0xb614a900 in ~QString (this=<optimized out>, __in_chrg=<optimized out>) at ../../include/QtCore/../../src/corelib/tools/qstring.h:880
#11 QUrlPrivate::toEncoded (this=0xaad07e90, options=...) at io/qurl.cpp:4041
#12 0xb614b0cb in QUrlPrivate::normalized (this=0x8ee5ef0) at io/qurl.cpp:4122
#13 0xb614baba in QUrl::operator== (this=0xaad080b0, url=...) at io/qurl.cpp:6040
#14 0xb468accd in ?? () from /usr/lib/libnepomuk.so.4
#15 0xb468bec4 in ?? () from /usr/lib/libnepomuk.so.4
#16 0xb468c780 in ?? () from /usr/lib/libnepomuk.so.4
#17 0xb46a5c41 in Nepomuk::Resource::property(QUrl const&) const () from /usr/lib/libnepomuk.so.4
#18 0xb51b2a11 in ?? () from /usr/lib/libmessagecore.so.4
#19 0xb607739b in QThreadPoolThread::run (this=0x9047808) at concurrent/qthreadpool.cpp:107
#20 0xb6084de0 in QThreadPrivate::start (arg=0x9047808) at thread/qthread_unix.cpp:298
#21 0xb5800d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#22 0xb5e5eace in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 3 (Thread 0xa9f6eb40 (LWP 2163)):
#0  0xb5802dc8 in pthread_mutex_lock () from /lib/i386-linux-gnu/libpthread.so.0
#1  0xb5e6c5f4 in pthread_mutex_lock () from /lib/i386-linux-gnu/libc.so.6
#2  0xb44b3390 in g_mutex_lock () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb4473262 in g_main_context_release () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb4474018 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb44741c1 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#6  0xb61cc8e7 in QEventDispatcherGlib::processEvents (this=0xae902c78, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#7  0xb619850d in QEventLoop::processEvents (this=0xa9f6e240, flags=...) at kernel/qeventloop.cpp:149
#8  0xb61987a9 in QEventLoop::exec (this=0xa9f6e240, flags=...) at kernel/qeventloop.cpp:204
#9  0xb608194c in QThread::exec (this=0x931eea8) at thread/qthread.cpp:501
#10 0xb6175b5d in QInotifyFileSystemWatcherEngine::run (this=0x931eea8) at io/qfilesystemwatcher_inotify.cpp:248
#11 0xb6084de0 in QThreadPrivate::start (arg=0x931eea8) at thread/qthread_unix.cpp:298
#12 0xb5800d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#13 0xb5e5eace in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 2 (Thread 0xa96a8b40 (LWP 2264)):
#0  0xb76fc424 in __kernel_vsyscall ()
#1  0xb5e57af1 in select () from /lib/i386-linux-gnu/libc.so.6
#2  0xb61c930a in qt_safe_select (nfds=5, fdread=0xa96a7b38, fdwrite=0xa96a7bb8, fdexcept=0x0, orig_timeout=0xa96a7c38) at kernel/qcore_unix.cpp:93
#3  0xb5a78f74 in QNativeSocketEnginePrivate::nativeSelect (this=0x95bf828, timeout=30000, checkRead=true, checkWrite=false, selectForRead=0xa96a7cfe, selectForWrite=0xa96a7cff) at socket/qnativesocketengine_unix.cpp:1115
#4  0xb5a76a5d in QNativeSocketEngine::waitForReadOrWrite (this=0x96a0300, readyToRead=0xa96a7cfe, readyToWrite=0xa96a7cff, checkRead=true, checkWrite=false, msecs=30000, timedOut=0x0) at socket/qnativesocketengine.cpp:1000
#5  0xb5a6d2c6 in QAbstractSocket::waitForReadyRead (this=0x9a2c3bc, msecs=30000) at socket/qabstractsocket.cpp:1891
#6  0xb5a7b421 in QLocalSocket::waitForReadyRead (this=0x95da438, msecs=30000) at socket/qlocalsocket_unix.cpp:576
#7  0xb24a68c3 in ?? () from /usr/lib/libsopranoclient.so.1
#8  0xb24a716f in ?? () from /usr/lib/libsopranoclient.so.1
#9  0xb24a72ae in ?? () from /usr/lib/libsopranoclient.so.1
#10 0xb24a76e0 in ?? () from /usr/lib/libsopranoclient.so.1
#11 0xb24abea0 in ?? () from /usr/lib/libsopranoclient.so.1
#12 0xb24b09cf in ?? () from /usr/lib/libsopranoclient.so.1
#13 0xb4691c28 in ?? () from /usr/lib/libnepomuk.so.4
#14 0xb468bd6f in ?? () from /usr/lib/libnepomuk.so.4
#15 0xb468c780 in ?? () from /usr/lib/libnepomuk.so.4
#16 0xb46a5c41 in Nepomuk::Resource::property(QUrl const&) const () from /usr/lib/libnepomuk.so.4
#17 0xb51b2a11 in ?? () from /usr/lib/libmessagecore.so.4
#18 0xb607739b in QThreadPoolThread::run (this=0x9618b00) at concurrent/qthreadpool.cpp:107
#19 0xb6084de0 in QThreadPrivate::start (arg=0x9618b00) at thread/qthread_unix.cpp:298
#20 0xb5800d4c in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#21 0xb5e5eace in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 1 (Thread 0xb1436740 (LWP 2132)):
#0  0xb76fc424 in __kernel_vsyscall ()
#1  0xb580496b in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i386-linux-gnu/libpthread.so.0
#2  0xb5e6c3dc in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0xb6085350 in wait (time=4294967295, this=0x9617c50) at thread/qwaitcondition_unix.cpp:86
#4  QWaitCondition::wait (this=0x9617bd8, mutex=0x9617bc4, time=4294967295) at thread/qwaitcondition_unix.cpp:158
#5  0xb6076b81 in QThreadPoolPrivate::waitForDone (this=0x9617b78, msecs=-1) at concurrent/qthreadpool.cpp:298
#6  0xb6078598 in QThreadPool::~QThreadPool (this=0x9619c04, __in_chrg=<optimized out>) at concurrent/qthreadpool.cpp:440
#7  0xb51b11f5 in MessageCore::AsyncNepomukResourceRetriever::~AsyncNepomukResourceRetriever() () from /usr/lib/libmessagecore.so.4
#8  0xb501bb8d in ?? () from /usr/lib/libmessagelist.so.4
#9  0xb5029712 in ?? () from /usr/lib/libmessagelist.so.4
#10 0xb502d3f9 in ?? () from /usr/lib/libmessagelist.so.4
#11 0xb5da6f61 in ?? () from /lib/i386-linux-gnu/libc.so.6
#12 0xb5da6fed in exit () from /lib/i386-linux-gnu/libc.so.6
#13 0xaf7daabf in ?? () from /usr/lib/i386-linux-gnu/libgdk-x11-2.0.so.0
#14 0xb748fbe9 in KApplication::xioErrhandler(_XDisplay*) () from /usr/lib/libkdeui.so.5
#15 0xb748fc24 in ?? () from /usr/lib/libkdeui.so.5
#16 0xb5c56b74 in _XIOError () from /usr/lib/i386-linux-gnu/libX11.so.6
#17 0xb5c5440f in _XEventsQueued () from /usr/lib/i386-linux-gnu/libX11.so.6
#18 0xb5c45118 in XEventsQueued () from /usr/lib/i386-linux-gnu/libX11.so.6
#19 0xb64ed8f3 in x11EventSourcePrepare (s=0x8b1c6d0, timeout=0xbfda704c) at kernel/qguieventdispatcher_glib.cpp:77
#20 0xb4473762 in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#21 0xb4473f6f in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#22 0xb44741c1 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#23 0xb61cc887 in QEventDispatcherGlib::processEvents (this=0x8ad8ed8, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#24 0xb64edaaa in QGuiEventDispatcherGlib::processEvents (this=0x8ad8ed8, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#25 0xb619850d in QEventLoop::processEvents (this=0xbfda7214, flags=...) at kernel/qeventloop.cpp:149
#26 0xb61987a9 in QEventLoop::exec (this=0xbfda7214, flags=...) at kernel/qeventloop.cpp:204
#27 0xb619deba in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#28 0xb6432a74 in QApplication::exec () at kernel/qapplication.cpp:3820
#29 0x0804a266 in ?? ()
#30 0xb5d8d4d3 in __libc_start_main () from /lib/i386-linux-gnu/libc.so.6
#31 0x0804a6e9 in _start ()

Possible duplicates by query: bug 238851.

Reported using DrKonqi