Application: amarok (2.8.0)
KDE Platform Version: 4.13.0
Qt Version: 4.8.6
Operating System: Linux 3.13.0-24-generic x86_64
Distribution: Ubuntu 14.04 LTS

-- Information about the crash:
- What I was doing when the application crashed:
Each time I close Amarok (not minimise to tray, full exit) it shows some crash report.

The crash can be reproduced every time.

-- Backtrace:
Application: Amarok (amarok), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f443e38d7c0 (LWP 29444))]

Thread 13 (Thread 0x7f440df68700 (LWP 29449)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f443b742816 in wait (time=18446744073709551615, this=0xec7950) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0xec7828, mutex=0xe3cff0, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f443895fe6c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0xec7800, th=0xec7e10) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007f4438962903 in ThreadWeaver::WorkingHardState::applyForWork (this=0xea5ca0, th=0xec7e10, previous=0xe73640) at ../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007f443896161f in ThreadWeaver::Thread::run (this=0xec7e10) at ../../../threadweaver/Weaver/Thread.cpp:98
#6  0x00007f443b74232f in QThreadPrivate::start (arg=0xec7e10) at thread/qthread_unix.cpp:349
#7  0x00007f44373d9182 in start_thread (arg=0x7f440df68700) at pthread_create.c:312
#8  0x00007f443b0f830d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 12 (Thread 0x7f4407fff700 (LWP 29450)):
#0  0x00007f4435d7bac0 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f4435d7bf7b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f4435d7c0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f443b8717be in QEventDispatcherGlib::processEvents (this=0x7f44000008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#4  0x00007f443b8430af in QEventLoop::processEvents (this=this@entry=0x7f4407ffede0, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f443b8433a5 in QEventLoop::exec (this=this@entry=0x7f4407ffede0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f443b73fc5f in QThread::exec (this=this@entry=0xecaa40) at thread/qthread.cpp:537
#7  0x00007f443b824823 in QInotifyFileSystemWatcherEngine::run (this=0xecaa40) at io/qfilesystemwatcher_inotify.cpp:265
#8  0x00007f443b74232f in QThreadPrivate::start (arg=0xecaa40) at thread/qthread_unix.cpp:349
#9  0x00007f44373d9182 in start_thread (arg=0x7f4407fff700) at pthread_create.c:312
#10 0x00007f443b0f830d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 11 (Thread 0x7f44068af700 (LWP 29451)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f443b742816 in wait (time=18446744073709551615, this=0xec7950) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0xec7828, mutex=0xe3cff0, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f443895fe6c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0xec7800, th=0x10b4ba0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007f4438962903 in ThreadWeaver::WorkingHardState::applyForWork (this=0xea5ca0, th=0x10b4ba0, previous=0x7f43fc04c160) at ../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007f443896161f in ThreadWeaver::Thread::run (this=0x10b4ba0) at ../../../threadweaver/Weaver/Thread.cpp:98
#6  0x00007f443b74232f in QThreadPrivate::start (arg=0x10b4ba0) at thread/qthread_unix.cpp:349
#7  0x00007f44373d9182 in start_thread (arg=0x7f44068af700) at pthread_create.c:312
#8  0x00007f443b0f830d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 10 (Thread 0x7f4405a76700 (LWP 29452)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f443b742816 in wait (time=18446744073709551615, this=0xec7950) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0xec7828, mutex=0xe3cff0, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f443895fe6c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0xec7800, th=0x117fd60) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007f4438962903 in ThreadWeaver::WorkingHardState::applyForWork (this=0xea5ca0, th=0x117fd60, previous=0x7f43fc0ab570) at ../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007f443896161f in ThreadWeaver::Thread::run (this=0x117fd60) at ../../../threadweaver/Weaver/Thread.cpp:98
#6  0x00007f443b74232f in QThreadPrivate::start (arg=0x117fd60) at thread/qthread_unix.cpp:349
#7  0x00007f44373d9182 in start_thread (arg=0x7f4405a76700) at pthread_create.c:312
#8  0x00007f443b0f830d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 9 (Thread 0x7f4405275700 (LWP 29453)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f443b742816 in wait (time=18446744073709551615, this=0xec7950) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0xec7828, mutex=0xe3cff0, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f443895fe6c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0xec7800, th=0x1184ec0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007f4438962903 in ThreadWeaver::WorkingHardState::applyForWork (this=0xea5ca0, th=0x1184ec0, previous=0x7f43fc054c70) at ../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007f443896161f in ThreadWeaver::Thread::run (this=0x1184ec0) at ../../../threadweaver/Weaver/Thread.cpp:98
#6  0x00007f443b74232f in QThreadPrivate::start (arg=0x1184ec0) at thread/qthread_unix.cpp:349
#7  0x00007f44373d9182 in start_thread (arg=0x7f4405275700) at pthread_create.c:312
#8  0x00007f443b0f830d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 8 (Thread 0x7f4404a74700 (LWP 29455)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f443b742816 in wait (time=18446744073709551615, this=0xec7950) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0xec7828, mutex=0xe3cff0, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f443895fe6c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0xec7800, th=0x11c2240) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007f4438962903 in ThreadWeaver::WorkingHardState::applyForWork (this=0xea5ca0, th=0x11c2240, previous=0x11133f0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007f443896161f in ThreadWeaver::Thread::run (this=0x11c2240) at ../../../threadweaver/Weaver/Thread.cpp:98
#6  0x00007f443b74232f in QThreadPrivate::start (arg=0x11c2240) at thread/qthread_unix.cpp:349
#7  0x00007f44373d9182 in start_thread (arg=0x7f4404a74700) at pthread_create.c:312
#8  0x00007f443b0f830d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 7 (Thread 0x7f43effff700 (LWP 29456)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f443b742816 in wait (time=18446744073709551615, this=0xec7950) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0xec7828, mutex=0xe3cff0, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f443895fe6c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0xec7800, th=0x7f43f80045f0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007f4438962903 in ThreadWeaver::WorkingHardState::applyForWork (this=0xea5ca0, th=0x7f43f80045f0, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007f443896291c in ThreadWeaver::WorkingHardState::applyForWork (this=0xea5ca0, th=0x7f43f80045f0, previous=0x1125320) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#6  0x00007f443896161f in ThreadWeaver::Thread::run (this=0x7f43f80045f0) at ../../../threadweaver/Weaver/Thread.cpp:98
#7  0x00007f443b74232f in QThreadPrivate::start (arg=0x7f43f80045f0) at thread/qthread_unix.cpp:349
#8  0x00007f44373d9182 in start_thread (arg=0x7f43effff700) at pthread_create.c:312
#9  0x00007f443b0f830d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 6 (Thread 0x7f43ef1c3700 (LWP 29469)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f443b742816 in wait (time=18446744073709551615, this=0xec7950) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0xec7828, mutex=0xe3cff0, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f443895fe6c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0xec7800, th=0x160a1a0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007f4438962903 in ThreadWeaver::WorkingHardState::applyForWork (this=0xea5ca0, th=0x160a1a0, previous=0x7f43fc04d180) at ../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007f443896161f in ThreadWeaver::Thread::run (this=0x160a1a0) at ../../../threadweaver/Weaver/Thread.cpp:98
#6  0x00007f443b74232f in QThreadPrivate::start (arg=0x160a1a0) at thread/qthread_unix.cpp:349
#7  0x00007f44373d9182 in start_thread (arg=0x7f43ef1c3700) at pthread_create.c:312
#8  0x00007f443b0f830d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 5 (Thread 0x7f43ee9c2700 (LWP 29470)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f443b742816 in wait (time=18446744073709551615, this=0xec7950) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0xec7828, mutex=0xe3cff0, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007f443895fe6c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0xec7800, th=0x160aff0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007f4438962903 in ThreadWeaver::WorkingHardState::applyForWork (this=0xea5ca0, th=0x160aff0, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007f443896291c in ThreadWeaver::WorkingHardState::applyForWork (this=0xea5ca0, th=0x160aff0, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#6  0x00007f443896291c in ThreadWeaver::WorkingHardState::applyForWork (this=0xea5ca0, th=0x160aff0, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#7  0x00007f443896291c in ThreadWeaver::WorkingHardState::applyForWork (this=0xea5ca0, th=0x160aff0, previous=0x7f43f8006760) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#8  0x00007f443896161f in ThreadWeaver::Thread::run (this=0x160aff0) at ../../../threadweaver/Weaver/Thread.cpp:98
#9  0x00007f443b74232f in QThreadPrivate::start (arg=0x160aff0) at thread/qthread_unix.cpp:349
#10 0x00007f44373d9182 in start_thread (arg=0x7f43ee9c2700) at pthread_create.c:312
#11 0x00007f443b0f830d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 4 (Thread 0x7f43ec924700 (LWP 29471)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f44321b581d in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#2  0x00007f44321b5859 in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#3  0x00007f44373d9182 in start_thread (arg=0x7f43ec924700) at pthread_create.c:312
#4  0x00007f443b0f830d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 3 (Thread 0x7f438ee5f700 (LWP 29478)):
#0  0x00007f443b0bed7d in nanosleep () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f443b0bec14 in __sleep (seconds=0) at ../sysdeps/unix/sysv/linux/sleep.c:137
#2  0x00007f44379b3fb2 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007f44379b4039 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#4  0x00007f44373d9182 in start_thread (arg=0x7f438ee5f700) at pthread_create.c:312
#5  0x00007f443b0f830d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 2 (Thread 0x7f4304ebc700 (LWP 30823)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f4431ef620d in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#2  0x00007f44321e4fd6 in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#3  0x00007f44373d9182 in start_thread (arg=0x7f4304ebc700) at pthread_create.c:312
#4  0x00007f443b0f830d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 1 (Thread 0x7f443e38d7c0 (LWP 29444)):
[KCrash Handler]
#6  0x00007f443c4298c9 in QRasterWindowSurface::~QRasterWindowSurface (this=0xfeea20, __in_chrg=<optimized out>) at painting/qwindowsurface_raster.cpp:117
#7  0x00007f443c429949 in QRasterWindowSurface::~QRasterWindowSurface (this=0xfeea20, __in_chrg=<optimized out>) at painting/qwindowsurface_raster.cpp:121
#8  0x00007f443c441c5c in QWidgetBackingStore::~QWidgetBackingStore (this=0x15a39c0, __in_chrg=<optimized out>) at painting/qbackingstore.cpp:909
#9  0x00007f443c27a009 in QWidgetBackingStoreTracker::destroy (this=0x10f1210) at kernel/qwidget.cpp:225
#10 0x00007f443c27a1a9 in QWidgetPrivate::deleteExtra (this=this@entry=0x15bcc30) at kernel/qwidget.cpp:1833
#11 0x00007f443c27a3bd in QWidgetPrivate::~QWidgetPrivate (this=0x15bcc30, __in_chrg=<optimized out>) at kernel/qwidget.cpp:365
#12 0x00007f443c27a649 in QWidgetPrivate::~QWidgetPrivate (this=0x15bcc30, __in_chrg=<optimized out>) at kernel/qwidget.cpp:370
#13 0x00007f443b85d735 in cleanup (pointer=<optimized out>) at ../../include/QtCore/../../src/corelib/tools/qscopedpointer.h:62
#14 ~QScopedPointer (this=0x15bbb58, __in_chrg=<optimized out>) at ../../include/QtCore/../../src/corelib/tools/qscopedpointer.h:100
#15 QObject::~QObject (this=0x15bbb50, __in_chrg=<optimized out>) at kernel/qobject.cpp:816
#16 0x00007f443c282dcc in QWidget::~QWidget (this=0x15bbb50, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1554
#17 0x00007f443c283049 in QWidget::~QWidget (this=0x15bbb50, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1703
#18 0x00007f443c7d2995 in QGlobalStaticDeleter<QWidget>::~QGlobalStaticDeleter (this=0x7f443cd1f140 <globalStyleInfoWidget()::cleanup>, __in_chrg=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qglobal.h:1960
#19 0x00007f443b039509 in __run_exit_handlers (status=0, listp=0x7f443b3bc6c8 <__exit_funcs>, run_list_atexit=run_list_atexit@entry=true) at exit.c:82
#20 0x00007f443b039555 in __GI_exit (status=<optimized out>) at exit.c:104
#21 0x00007f443b01eecc in __libc_start_main (main=0x4018e0 <main(int, char**)>, argc=1, argv=0x7ffffe35c548, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffffe35c538) at libc-start.c:321
#22 0x00000000004084b2 in _start ()

Possible duplicates by query: bug 331437, bug 330038, bug 327798, bug 320766.

Reported using DrKonqi