'[amarok] [Bug 348919] New: Amarok crashes sometimes without apparently reasons'

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List:       amarok-bugs-dist
Subject:    [amarok] [Bug 348919] New: Amarok crashes sometimes without apparently reasons
From:       Armando Soriano <arm4design () gmail ! com>
Date:       2015-06-09 8:29:15
Message-ID: bug-348919-71684 () http ! bugs ! kde ! org/
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https://bugs.kde.org/show_bug.cgi?id=348919

            Bug ID: 348919
           Summary: Amarok crashes sometimes without apparently reasons
           Product: amarok
           Version: 2.8.0
          Platform: Mint (Ubuntu based)
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: amarok-bugs-dist@kde.org
          Reporter: arm4design@gmail.com

Application: amarok (2.8.0)
KDE Platform Version: 4.14.2
Qt Version: 4.8.6
Operating System: Linux 3.13.0-37-generic x86_64
Distribution: Linux Mint 17.1 Rebecca

-- Information about the crash:
- What I was doing when the application crashed:
I was running VM through virtualbox, anyway more than 10Gb free RAM when Amarok
crashes.

The crash can be reproduced sometimes.

-- 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 0x7fa7cfdd7800 (LWP 6807))]

Thread 16 (Thread 0x7fa7a8138700 (LWP 6809)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
#1  0x00007fa7cd1837f4 in wait (time=60000, this=0x27f2320) at
thread/qwaitcondition_unix.cpp:84
#2  QWaitCondition::wait (this=this@entry=0x27e3da0,
mutex=mutex@entry=0x27e3d98, time=time@entry=60000) at
thread/qwaitcondition_unix.cpp:158
#3  0x00007fa7cee1612e in AbstractDirectoryWatcher::run (this=0x27e3d70) at
../../src/scanner/AbstractDirectoryWatcher.cpp:65
#4  0x00007fa7ca3aecb2 in ThreadWeaver::JobRunHelper::runTheJob
(this=this@entry=0x7fa7a8137da0, th=th@entry=0x2838030,
job=job@entry=0x27e3d70) at ../../../threadweaver/Weaver/Job.cpp:106
#5  0x00007fa7ca3aee6e in ThreadWeaver::Job::execute (this=0x27e3d70,
th=0x2838030) at ../../../threadweaver/Weaver/Job.cpp:135
#6  0x00007fa7ca3ae6bb in ThreadWeaver::Thread::run (this=0x2838030) at
../../../threadweaver/Weaver/Thread.cpp:108
#7  0x00007fa7cd18332f in QThreadPrivate::start (arg=0x2838030) at
thread/qthread_unix.cpp:349
#8  0x00007fa7c8e25182 in start_thread (arg=0x7fa7a8138700) at
pthread_create.c:312
#9  0x00007fa7ccb3947d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 15 (Thread 0x7fa7a65d9700 (LWP 6810)):
#0  0x00007fa7c77c79cd in g_main_context_check () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fa7c77c7f7b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa7c77c80ec in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa7cd2b27be in QEventDispatcherGlib::processEvents
(this=0x7fa7980008e0, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#4  0x00007fa7cd2840af in QEventLoop::processEvents
(this=this@entry=0x7fa7a65d8da0, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fa7cd2843a5 in QEventLoop::exec (this=this@entry=0x7fa7a65d8da0,
flags=...) at kernel/qeventloop.cpp:204
#6  0x00007fa7cd180c5f in QThread::exec (this=this@entry=0x283b150) at
thread/qthread.cpp:537
#7  0x00007fa7cd265823 in QInotifyFileSystemWatcherEngine::run (this=0x283b150)
at io/qfilesystemwatcher_inotify.cpp:265
#8  0x00007fa7cd18332f in QThreadPrivate::start (arg=0x283b150) at
thread/qthread_unix.cpp:349
#9  0x00007fa7c8e25182 in start_thread (arg=0x7fa7a65d9700) at
pthread_create.c:312
#10 0x00007fa7ccb3947d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 14 (Thread 0x7fa7a5289700 (LWP 6811)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fa7cd183816 in wait (time=18446744073709551615, this=0x2837b70) at
thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x2837a78, mutex=0x22f8560,
time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007fa7ca3ace6c in
ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x2837a50,
th=0x2a69e80) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007fa7ca3af903 in ThreadWeaver::WorkingHardState::applyForWork
(this=0x24ba6f0, th=0x2a69e80, previous=0x0) at
../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007fa7ca3af91c in ThreadWeaver::WorkingHardState::applyForWork
(this=0x24ba6f0, th=0x2a69e80, previous=0x0) at
../../../threadweaver/Weaver/WorkingHardState.cpp:71
#6  0x00007fa7ca3af91c in ThreadWeaver::WorkingHardState::applyForWork
(this=0x24ba6f0, th=0x2a69e80, previous=0x46da700) at
../../../threadweaver/Weaver/WorkingHardState.cpp:71
#7  0x00007fa7ca3ae61f in ThreadWeaver::Thread::run (this=0x2a69e80) at
../../../threadweaver/Weaver/Thread.cpp:98
#8  0x00007fa7cd18332f in QThreadPrivate::start (arg=0x2a69e80) at
thread/qthread_unix.cpp:349
#9  0x00007fa7c8e25182 in start_thread (arg=0x7fa7a5289700) at
pthread_create.c:312
#10 0x00007fa7ccb3947d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 13 (Thread 0x7fa797fff700 (LWP 6812)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fa7cd183816 in wait (time=18446744073709551615, this=0x2837b70) at
thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x2837a78, mutex=0x22f8560,
time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007fa7ca3ace6c in
ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x2837a50,
th=0x2b2af40) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007fa7ca3af903 in ThreadWeaver::WorkingHardState::applyForWork
(this=0x24ba6f0, th=0x2b2af40, previous=0x0) at
../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007fa7ca3af91c in ThreadWeaver::WorkingHardState::applyForWork
(this=0x24ba6f0, th=0x2b2af40, previous=0x0) at
../../../threadweaver/Weaver/WorkingHardState.cpp:71
#6  0x00007fa7ca3af91c in ThreadWeaver::WorkingHardState::applyForWork
(this=0x24ba6f0, th=0x2b2af40, previous=0x0) at
../../../threadweaver/Weaver/WorkingHardState.cpp:71
#7  0x00007fa7ca3af91c in ThreadWeaver::WorkingHardState::applyForWork
(this=0x24ba6f0, th=0x2b2af40, previous=0x222a520) at
../../../threadweaver/Weaver/WorkingHardState.cpp:71
#8  0x00007fa7ca3ae61f in ThreadWeaver::Thread::run (this=0x2b2af40) at
../../../threadweaver/Weaver/Thread.cpp:98
#9  0x00007fa7cd18332f in QThreadPrivate::start (arg=0x2b2af40) at
thread/qthread_unix.cpp:349
#10 0x00007fa7c8e25182 in start_thread (arg=0x7fa797fff700) at
pthread_create.c:312
#11 0x00007fa7ccb3947d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 12 (Thread 0x7fa7977fe700 (LWP 6813)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fa7cd183816 in wait (time=18446744073709551615, this=0x2837b70) at
thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x2837a78, mutex=0x22f8560,
time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007fa7ca3ace6c in
ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x2837a50,
th=0x2b30310) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007fa7ca3af903 in ThreadWeaver::WorkingHardState::applyForWork
(this=0x24ba6f0, th=0x2b30310, previous=0x0) at
../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007fa7ca3af91c in ThreadWeaver::WorkingHardState::applyForWork
(this=0x24ba6f0, th=0x2b30310, previous=0x0) at
../../../threadweaver/Weaver/WorkingHardState.cpp:71
#6  0x00007fa7ca3af91c in ThreadWeaver::WorkingHardState::applyForWork
(this=0x24ba6f0, th=0x2b30310, previous=0x0) at
../../../threadweaver/Weaver/WorkingHardState.cpp:71
#7  0x00007fa7ca3af91c in ThreadWeaver::WorkingHardState::applyForWork
(this=0x24ba6f0, th=0x2b30310, previous=0x0) at
../../../threadweaver/Weaver/WorkingHardState.cpp:71
#8  0x00007fa7ca3af91c in ThreadWeaver::WorkingHardState::applyForWork
(this=0x24ba6f0, th=0x2b30310, previous=0x7fa790008c90) at
../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0x00007fa7ca3ae61f in ThreadWeaver::Thread::run (this=0x2b30310) at
../../../threadweaver/Weaver/Thread.cpp:98
#10 0x00007fa7cd18332f in QThreadPrivate::start (arg=0x2b30310) at
thread/qthread_unix.cpp:349
#11 0x00007fa7c8e25182 in start_thread (arg=0x7fa7977fe700) at
pthread_create.c:312
#12 0x00007fa7ccb3947d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 11 (Thread 0x7fa796ffd700 (LWP 6814)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fa7cd183816 in wait (time=18446744073709551615, this=0x2837b70) at
thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x2837a78, mutex=0x22f8560,
time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007fa7ca3ace6c in
ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x2837a50,
th=0x2b4f260) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007fa7ca3af903 in ThreadWeaver::WorkingHardState::applyForWork
(this=0x24ba6f0, th=0x2b4f260, previous=0x201d250) at
../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007fa7ca3ae61f in ThreadWeaver::Thread::run (this=0x2b4f260) at
../../../threadweaver/Weaver/Thread.cpp:98
#6  0x00007fa7cd18332f in QThreadPrivate::start (arg=0x2b4f260) at
thread/qthread_unix.cpp:349
#7  0x00007fa7c8e25182 in start_thread (arg=0x7fa796ffd700) at
pthread_create.c:312
#8  0x00007fa7ccb3947d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 10 (Thread 0x7fa7967fc700 (LWP 6815)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fa7cd183816 in wait (time=18446744073709551615, this=0x2837b70) at
thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x2837a78, mutex=0x22f8560,
time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007fa7ca3ace6c in
ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x2837a50,
th=0x7fa79c020090) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007fa7ca3af903 in ThreadWeaver::WorkingHardState::applyForWork
(this=0x24ba6f0, th=0x7fa79c020090, previous=0x0) at
../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007fa7ca3af91c in ThreadWeaver::WorkingHardState::applyForWork
(this=0x24ba6f0, th=0x7fa79c020090, previous=0x0) at
../../../threadweaver/Weaver/WorkingHardState.cpp:71
#6  0x00007fa7ca3af91c in ThreadWeaver::WorkingHardState::applyForWork
(this=0x24ba6f0, th=0x7fa79c020090, previous=0x0) at
../../../threadweaver/Weaver/WorkingHardState.cpp:71
#7  0x00007fa7ca3af91c in ThreadWeaver::WorkingHardState::applyForWork
(this=0x24ba6f0, th=0x7fa79c020090, previous=0x0) at
../../../threadweaver/Weaver/WorkingHardState.cpp:71
#8  0x00007fa7ca3af91c in ThreadWeaver::WorkingHardState::applyForWork
(this=0x24ba6f0, th=0x7fa79c020090, previous=0x46a50e0) at
../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0x00007fa7ca3ae61f in ThreadWeaver::Thread::run (this=0x7fa79c020090) at
../../../threadweaver/Weaver/Thread.cpp:98
#10 0x00007fa7cd18332f in QThreadPrivate::start (arg=0x7fa79c020090) at
thread/qthread_unix.cpp:349
#11 0x00007fa7c8e25182 in start_thread (arg=0x7fa7967fc700) at
pthread_create.c:312
#12 0x00007fa7ccb3947d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 9 (Thread 0x7fa795ffb700 (LWP 6816)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fa7cd183816 in wait (time=18446744073709551615, this=0x2837b70) at
thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x2837a78, mutex=0x22f8560,
time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007fa7ca3ace6c in
ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x2837a50,
th=0x7fa79c02d4b0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007fa7ca3af903 in ThreadWeaver::WorkingHardState::applyForWork
(this=0x24ba6f0, th=0x7fa79c02d4b0, previous=0x0) at
../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007fa7ca3af91c in ThreadWeaver::WorkingHardState::applyForWork
(this=0x24ba6f0, th=0x7fa79c02d4b0, previous=0x0) at
../../../threadweaver/Weaver/WorkingHardState.cpp:71
#6  0x00007fa7ca3af91c in ThreadWeaver::WorkingHardState::applyForWork
(this=0x24ba6f0, th=0x7fa79c02d4b0, previous=0x0) at
../../../threadweaver/Weaver/WorkingHardState.cpp:71
#7  0x00007fa7ca3af91c in ThreadWeaver::WorkingHardState::applyForWork
(this=0x24ba6f0, th=0x7fa79c02d4b0, previous=0x0) at
../../../threadweaver/Weaver/WorkingHardState.cpp:71
#8  0x00007fa7ca3af91c in ThreadWeaver::WorkingHardState::applyForWork
(this=0x24ba6f0, th=0x7fa79c02d4b0, previous=0x2faab40) at
../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0x00007fa7ca3ae61f in ThreadWeaver::Thread::run (this=0x7fa79c02d4b0) at
../../../threadweaver/Weaver/Thread.cpp:98
#10 0x00007fa7cd18332f in QThreadPrivate::start (arg=0x7fa79c02d4b0) at
thread/qthread_unix.cpp:349
#11 0x00007fa7c8e25182 in start_thread (arg=0x7fa795ffb700) at
pthread_create.c:312
#12 0x00007fa7ccb3947d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 8 (Thread 0x7fa7957fa700 (LWP 6817)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fa7cd183816 in wait (time=18446744073709551615, this=0x2837b70) at
thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x2837a78, mutex=0x22f8560,
time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007fa7ca3ace6c in
ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x2837a50,
th=0x7fa79c03da00) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007fa7ca3af903 in ThreadWeaver::WorkingHardState::applyForWork
(this=0x24ba6f0, th=0x7fa79c03da00, previous=0x0) at
../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007fa7ca3af91c in ThreadWeaver::WorkingHardState::applyForWork
(this=0x24ba6f0, th=0x7fa79c03da00, previous=0x46f45e0) at
../../../threadweaver/Weaver/WorkingHardState.cpp:71
#6  0x00007fa7ca3ae61f in ThreadWeaver::Thread::run (this=0x7fa79c03da00) at
../../../threadweaver/Weaver/Thread.cpp:98
#7  0x00007fa7cd18332f in QThreadPrivate::start (arg=0x7fa79c03da00) at
thread/qthread_unix.cpp:349
#8  0x00007fa7c8e25182 in start_thread (arg=0x7fa7957fa700) at
pthread_create.c:312
#9  0x00007fa7ccb3947d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 7 (Thread 0x7fa794981700 (LWP 6818)):
#0  __pthread_mutex_unlock_usercnt (decr=1, mutex=0x7fa76c000a80) at
pthread_mutex_unlock.c:57
#1  __GI___pthread_mutex_unlock (mutex=0x7fa76c000a80) at
pthread_mutex_unlock.c:310
#2  0x00007fa7c78099b1 in g_mutex_unlock () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa7c77c7fd9 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fa7c77c80ec in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fa7cd2b27be in QEventDispatcherGlib::processEvents
(this=0x7fa76c0008e0, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#6  0x00007fa7cd2840af in QEventLoop::processEvents
(this=this@entry=0x7fa794980da0, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007fa7cd2843a5 in QEventLoop::exec (this=this@entry=0x7fa794980da0,
flags=...) at kernel/qeventloop.cpp:204
#8  0x00007fa7cd180c5f in QThread::exec (this=this@entry=0x2fa4d00) at
thread/qthread.cpp:537
#9  0x00007fa7cd265823 in QInotifyFileSystemWatcherEngine::run (this=0x2fa4d00)
at io/qfilesystemwatcher_inotify.cpp:265
#10 0x00007fa7cd18332f in QThreadPrivate::start (arg=0x2fa4d00) at
thread/qthread_unix.cpp:349
#11 0x00007fa7c8e25182 in start_thread (arg=0x7fa794981700) at
pthread_create.c:312
#12 0x00007fa7ccb3947d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 6 (Thread 0x7fa7716ae700 (LWP 6819)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fa7c3ecc81d in WTF::TCMalloc_PageHeap::scavengerThread() () from
/usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#2  0x00007fa7c3ecc859 in WTF::TCMalloc_PageHeap::runScavengerThread(void*) ()
from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#3  0x00007fa7c8e25182 in start_thread (arg=0x7fa7716ae700) at
pthread_create.c:312
#4  0x00007fa7ccb3947d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 5 (Thread 0x7fa72b7fc700 (LWP 6822)):
#0  0x00007fa7ccb2c12d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fa7c77c7fe4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa7c77c80ec in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa7cd2b27be in QEventDispatcherGlib::processEvents
(this=0x7fa71c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:436
#4  0x00007fa7cd2840af in QEventLoop::processEvents
(this=this@entry=0x7fa72b7fbde0, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fa7cd2843a5 in QEventLoop::exec (this=this@entry=0x7fa72b7fbde0,
flags=...) at kernel/qeventloop.cpp:204
#6  0x00007fa7cd180c5f in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:537
#7  0x00007fa7cd18332f in QThreadPrivate::start (arg=0x292eba0) at
thread/qthread_unix.cpp:349
#8  0x00007fa7c8e25182 in start_thread (arg=0x7fa72b7fc700) at
pthread_create.c:312
#9  0x00007fa7ccb3947d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 4 (Thread 0x7fa72affb700 (LWP 6823)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fa7c93ffffb in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007fa7c9400039 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007fa7c8e25182 in start_thread (arg=0x7fa72affb700) at
pthread_create.c:312
#4  0x00007fa7ccb3947d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 3 (Thread 0x7fa695c4e700 (LWP 6854)):
#0  0x00007fa7ccb2c12d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fa7c4bf3031 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#2  0x00007fa7c4be483c in pa_mainloop_poll () from
/usr/lib/x86_64-linux-gnu/libpulse.so.0
#3  0x00007fa7c4be4ece in pa_mainloop_iterate () from
/usr/lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007fa7c4be4f80 in pa_mainloop_run () from
/usr/lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007fa7c4bf2fe3 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#6  0x00007fa7bf954f08 in ?? () from
/usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-4.0.so
#7  0x00007fa7c8e25182 in start_thread (arg=0x7fa695c4e700) at
pthread_create.c:312
#8  0x00007fa7ccb3947d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 2 (Thread 0x7fa682e79700 (LWP 6855)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fa7c3c0d20d in JSC::BlockAllocator::blockFreeingThreadMain() () from
/usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#2  0x00007fa7c3efbfd6 in WTF::wtfThreadEntryPoint(void*) () from
/usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#3  0x00007fa7c8e25182 in start_thread (arg=0x7fa682e79700) at
pthread_create.c:312
#4  0x00007fa7ccb3947d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 1 (Thread 0x7fa7cfdd7800 (LWP 6807)):
[KCrash Handler]
#6  0x00007fa7aaefcad8 in KSharedPtr (o=..., this=0x7fff966eba20) at
/usr/include/KDE/../ksharedptr.h:84
#7  SqlRegistry::emptyCache (this=0x27e5170) at
../../../../../../src/core-impl/collections/db/sql/SqlRegistry.cpp:933
#8  0x00007fa7cd29987a in QMetaObject::activate (sender=0x28051f0, m=<optimized
out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3539
#9  0x00007fa7cd29da31 in QObject::event (this=0x28051f0, e=<optimized out>) at
kernel/qobject.cpp:1156
#10 0x00007fa7cdc77e2c in QApplicationPrivate::notify_helper
(this=this@entry=0x21093c0, receiver=receiver@entry=0x28051f0,
e=e@entry=0x7fff966ebf00) at kernel/qapplication.cpp:4567
#11 0x00007fa7cdc7e4a0 in QApplication::notify (this=this@entry=0x7fff966ec2a0,
receiver=receiver@entry=0x28051f0, e=e@entry=0x7fff966ebf00) at
kernel/qapplication.cpp:4353
#12 0x00007fa7cf7e8cca in KApplication::notify (this=0x7fff966ec2a0,
receiver=0x28051f0, event=0x7fff966ebf00) at
../../kdeui/kernel/kapplication.cpp:311
#13 0x00007fa7cd2854dd in QCoreApplication::notifyInternal
(this=0x7fff966ec2a0, receiver=0x28051f0, event=0x7fff966ebf00) at
kernel/qcoreapplication.cpp:953
#14 0x00007fa7cd2b5323 in sendEvent (event=<optimized out>, receiver=<optimized
out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#15 QTimerInfoList::activateTimers (this=0x2101580) at
kernel/qeventdispatcher_unix.cpp:621
#16 0x00007fa7cd2b2629 in timerSourceDispatch (source=<optimized out>) at
kernel/qeventdispatcher_glib.cpp:193
#17 idleTimerSourceDispatch (source=<optimized out>) at
kernel/qeventdispatcher_glib.cpp:240
#18 0x00007fa7c77c7e04 in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#19 0x00007fa7c77c8048 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007fa7c77c80ec in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007fa7cd2b27a1 in QEventDispatcherGlib::processEvents (this=0x1fc9630,
flags=...) at kernel/qeventdispatcher_glib.cpp:434
#22 0x00007fa7cdd19be6 in QGuiEventDispatcherGlib::processEvents
(this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#23 0x00007fa7cd2840af in QEventLoop::processEvents
(this=this@entry=0x7fff966ec170, flags=...) at kernel/qeventloop.cpp:149
#24 0x00007fa7cd2843a5 in QEventLoop::exec (this=this@entry=0x7fff966ec170,
flags=...) at kernel/qeventloop.cpp:204
#25 0x00007fa7cd289b79 in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1225
#26 0x00007fa7cdc7637c in QApplication::exec () at kernel/qapplication.cpp:3828
#27 0x0000000000408393 in main (argc=<optimized out>, argv=0x7fff966ec408) at
../../src/main.cpp:329

Possible duplicates by query: bug 346241, bug 343167, bug 337714.

Reported using DrKonqi

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