Bug 370931

Application: dolphin (4.14.2)
KDE Platform Version: 4.14.2
Qt Version: 4.8.6
Operating System: Linux 3.19.0-32-generic x86_64
Distribution: Linux Mint 17.3 Rosa

-- Information about the crash:
- What I was doing when the application crashed: using firefox and Chrome and Thunderbird and openoffice writer.

The crash can be reproduced sometimes.

-- Backtrace:
Application: Dolphin (dolphin), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f6191f807c0 (LWP 30331))]

Thread 4 (Thread 0x7f6174cd4700 (LWP 30332)):
#0  0x00007f6188ad461d in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f6188ad4979 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6188a92bc6 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6188a93048 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f6188a930ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f618d8aa7be in QEventDispatcherGlib::processEvents (this=0x7f61700008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#6  0x00007f618d87c0af in QEventLoop::processEvents (this=this@entry=0x7f6174cd3de0, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f618d87c3a5 in QEventLoop::exec (this=this@entry=0x7f6174cd3de0, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f618d778c5f in QThread::exec (this=this@entry=0x24b7c50) at thread/qthread.cpp:537
#9  0x00007f618d85d823 in QInotifyFileSystemWatcherEngine::run (this=0x24b7c50) at io/qfilesystemwatcher_inotify.cpp:265
#10 0x00007f618d77b32f in QThreadPrivate::start (arg=0x24b7c50) at thread/qthread_unix.cpp:349
#11 0x00007f6188f72184 in start_thread (arg=0x7f6174cd4700) at pthread_create.c:312
#12 0x00007f619184937d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 3 (Thread 0x7f616ffff700 (LWP 30333)):
#0  0x00007ffeae2f7ae3 in ?? ()
#1  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f616f5ac700 (LWP 30334)):
#0  0x00007f618d8aa9c7 in timerSourceCheckHelper (src=0x7f6160002cd0) at kernel/qeventdispatcher_glib.cpp:152
#1  0x00007f6188a92a61 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6188a92f7b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6188a930ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f618d8aa7be in QEventDispatcherGlib::processEvents (this=0x7f61600008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#5  0x00007f618d87c0af in QEventLoop::processEvents (this=this@entry=0x7f616f5abde0, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007f618d87c3a5 in QEventLoop::exec (this=this@entry=0x7f616f5abde0, flags=...) at kernel/qeventloop.cpp:204
#7  0x00007f618d778c5f in QThread::exec (this=this@entry=0x26d17b0) at thread/qthread.cpp:537
#8  0x00007f618d85d823 in QInotifyFileSystemWatcherEngine::run (this=0x26d17b0) at io/qfilesystemwatcher_inotify.cpp:265
#9  0x00007f618d77b32f in QThreadPrivate::start (arg=0x26d17b0) at thread/qthread_unix.cpp:349
#10 0x00007f6188f72184 in start_thread (arg=0x7f616f5ac700) at pthread_create.c:312
#11 0x00007f619184937d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 1 (Thread 0x7f6191f807c0 (LWP 30331)):
[KCrash Handler]
#6  __GI___libc_free (mem=0x100000000) at malloc.c:2929
#7  0x00007f618d896393 in QObject::~QObject (this=0x2d9bba0, __in_chrg=<optimized out>) at kernel/qobject.cpp:890
#8  0x00007f618e2bbddc in QWidget::~QWidget (this=0x2d9bba0, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1554
#9  0x00007f618fcc211e in ~ValueWidget (this=0x2d9bba0, __in_chrg=<optimized out>) at ../../src/widgetfactory.cpp:190
#10 ValueWidget::~ValueWidget (this=0x2d9bba0, __in_chrg=<optimized out>) at ../../src/widgetfactory.cpp:190
#11 0x00007f618d894168 in QObjectPrivate::deleteChildren (this=this@entry=0x2b5bdb0) at kernel/qobject.cpp:1907
#12 0x00007f618e2bbd47 in QWidget::~QWidget (this=0x2d69d00, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1679
#13 0x00007f618fcb74a9 in Baloo::FileMetaDataWidget::~FileMetaDataWidget (this=0x2d69d00, __in_chrg=<optimized out>) at ../../src/filemetadatawidget.cpp:231
#14 0x00007f618d894168 in QObjectPrivate::deleteChildren (this=this@entry=0x2c11700) at kernel/qobject.cpp:1907
#15 0x00007f618e2bbd47 in QWidget::~QWidget (this=0x2d8b7c0, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1679
#16 0x00007f6190ba35de in ~FileMetaDataToolTip (this=0x2d8b7c0, __in_chrg=<optimized out>) at ../../../dolphin/src/views/tooltips/filemetadatatooltip.cpp:101
#17 FileMetaDataToolTip::~FileMetaDataToolTip (this=0x2d8b7c0, __in_chrg=<optimized out>) at ../../../dolphin/src/views/tooltips/filemetadatatooltip.cpp:103
#18 0x00007f618d895c58 in QObject::event (this=this@entry=0x2d8b7c0, e=e@entry=0x2c768c0) at kernel/qobject.cpp:1175
#19 0x00007f618e2bf56b in QWidget::event (this=0x2d8b7c0, event=0x2c768c0) at kernel/qwidget.cpp:8846
#20 0x00007f618e26fe2c in QApplicationPrivate::notify_helper (this=this@entry=0x21c93e0, receiver=receiver@entry=0x2d8b7c0, e=e@entry=0x2c768c0) at kernel/qapplication.cpp:4567
#21 0x00007f618e2764a0 in QApplication::notify (this=this@entry=0x7ffeae2a62d0, receiver=receiver@entry=0x2d8b7c0, e=e@entry=0x2c768c0) at kernel/qapplication.cpp:4353
#22 0x00007f618ef7acca in KApplication::notify (this=0x7ffeae2a62d0, receiver=0x2d8b7c0, event=0x2c768c0) at ../../kdeui/kernel/kapplication.cpp:311
#23 0x00007f618d87d4dd in QCoreApplication::notifyInternal (this=0x7ffeae2a62d0, receiver=receiver@entry=0x2d8b7c0, event=event@entry=0x2c768c0) at kernel/qcoreapplication.cpp:953
#24 0x00007f618d880b3d in sendEvent (event=0x2c768c0, receiver=0x2d8b7c0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#25 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x218b120) at kernel/qcoreapplication.cpp:1577
#26 0x00007f618d880fe3 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1470
#27 0x00007f618d8aaf83 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#28 postEventSourceDispatch (s=0x21be3f0) at kernel/qeventdispatcher_glib.cpp:287
#29 0x00007f6188a92e04 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#30 0x00007f6188a93048 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#31 0x00007f6188a930ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#32 0x00007f618d8aa7a1 in QEventDispatcherGlib::processEvents (this=0x218ca00, flags=...) at kernel/qeventdispatcher_glib.cpp:434
#33 0x00007f618e311be6 in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#34 0x00007f618d87c0af in QEventLoop::processEvents (this=this@entry=0x7ffeae2a61a0, flags=...) at kernel/qeventloop.cpp:149
#35 0x00007f618d87c3a5 in QEventLoop::exec (this=this@entry=0x7ffeae2a61a0, flags=...) at kernel/qeventloop.cpp:204
#36 0x00007f618d881b79 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1225
#37 0x00007f618e26e37c in QApplication::exec () at kernel/qapplication.cpp:3828
#38 0x00007f6191b643e7 in kdemain (argc=5, argv=0x7ffeae2a6408) at ../../../dolphin/src/main.cpp:93
#39 0x00007f6191770f45 in __libc_start_main (main=0x4006d0 <main(int, char**)>, argc=5, argv=0x7ffeae2a6408, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffeae2a63f8) at libc-start.c:287
#40 0x00000000004006fe in _start ()

Possible duplicates by query: bug 367876, bug 362260.

Reported using DrKonqi