Bug 353541

Summary: Segfault during musicbrainz tag search
Product: [Applications] amarok Reporter: Kurt Jensen <kurt>
Component: generalAssignee: Amarok Developers <amarok-bugs-dist>
Status: RESOLVED DUPLICATE    
Severity: crash Keywords: drkonqi
Priority: NOR    
Version: 2.8.0   
Target Milestone: 2.9   
Platform: Ubuntu   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:

Description Kurt Jensen 2015-10-04 22:09:30 UTC 
Application: amarok (2.8.0)
KDE Platform Version: 4.14.6
Qt Version: 4.8.6
Operating System: Linux 3.19.0-28-generic x86_64
Distribution: Ubuntu 15.04

-- Information about the crash:
During a musicbrains tag search, Amarok segfaulted.  This happened repetedly for the same song being searched.

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 0x7ff123c3f800 (LWP 3614))]

Thread 16 (Thread 0x7ff1023a0700 (LWP 3617)):
#0  0x00007ff1208de49d in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007ff113b97b51 in pa_read () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-6.0.so
#2  0x00007ff1188e075e in pa_mainloop_prepare () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#3  0x00007ff1188e11d0 in pa_mainloop_iterate () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007ff1188e1290 in pa_mainloop_run () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007ff1188ef596 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#6  0x00007ff113bc46c8 in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-6.0.so
#7  0x00007ff11cb436aa in start_thread (arg=0x7ff1023a0700) at pthread_create.c:333
#8  0x00007ff1208edeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 15 (Thread 0x7ff0f4035700 (LWP 3619)):
#0  0x00007ff1208de017 in statfs64 () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007ff1221bd0c6 in determineFileSystemTypeImpl (path=...) at ../../kdecore/io/kfilesystemtype_p.cpp:93
#2  0x00007ff1221bd18d in KFileSystemType::fileSystemType (path=...) at ../../kdecore/io/kfilesystemtype_p.cpp:140
#3  0x00007ff1221baf1f in KDirWatchPrivate::addWatch (this=0x1424c00, e=0x7ff0ec03ec18) at ../../kdecore/io/kdirwatch.cpp:932
#4  0x00007ff1221b884b in KDirWatchPrivate::addEntry (this=this@entry=0x1424c00, instance=instance@entry=0x138b0c0, _path=..., sub_entry=sub_entry@entry=0x0, isDir=isDir@entry=true, watchModes=...) at ../../kdecore/io/kdirwatch.cpp:917
#5  0x00007ff1221b8fde in KDirWatchPrivate::addEntry (this=this@entry=0x1424c00, instance=instance@entry=0x138b0c0, _path=..., sub_entry=sub_entry@entry=0x0, isDir=isDir@entry=true, watchModes=...) at ../../kdecore/io/kdirwatch.cpp:913
#6  0x00007ff1221b8fde in KDirWatchPrivate::addEntry (this=this@entry=0x1424c00, instance=instance@entry=0x138b0c0, _path=..., sub_entry=sub_entry@entry=0x0, isDir=isDir@entry=true, watchModes=...) at ../../kdecore/io/kdirwatch.cpp:913
#7  0x00007ff1221b8fde in KDirWatchPrivate::addEntry (this=<optimized out>, instance=0x138b0c0, _path=..., sub_entry=sub_entry@entry=0x0, isDir=isDir@entry=true, watchModes=...) at ../../kdecore/io/kdirwatch.cpp:913
#8  0x00007ff1221bb89b in KDirWatch::addDir (this=<optimized out>, _path=..., watchModes=...) at ../../kdecore/io/kdirwatch.cpp:1798
#9  0x00007ff122c40925 in AbstractDirectoryWatcher::run (this=0x13ec370) at ../../src/scanner/AbstractDirectoryWatcher.cpp:95
#10 0x00007ff11e120f42 in ThreadWeaver::JobRunHelper::runTheJob (this=this@entry=0x7ff0f4034d90, th=th@entry=0x138c330, job=job@entry=0x13ec370) at ../../../threadweaver/Weaver/Job.cpp:106
#11 0x00007ff11e121158 in ThreadWeaver::Job::execute (this=0x13ec370, th=0x138c330) at ../../../threadweaver/Weaver/Job.cpp:135
#12 0x00007ff11e1208fb in ThreadWeaver::Thread::run (this=0x138c330) at ../../../threadweaver/Weaver/Thread.cpp:108
#13 0x00007ff120f3c6ff in QThreadPrivate::start (arg=0x138c330) at thread/qthread_unix.cpp:349
#14 0x00007ff11cb436aa in start_thread (arg=0x7ff0f4035700) at pthread_create.c:333
#15 0x00007ff1208edeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 14 (Thread 0x7ff0f2211700 (LWP 3620)):
#0  0x00007ff1208e28dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007ff11aa71ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ff11aa71fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff12107687e in QEventDispatcherGlib::processEvents (this=0x7ff0e40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:452
#4  0x00007ff121045d21 in QEventLoop::processEvents (this=this@entry=0x7ff0f2210d80, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007ff121046085 in QEventLoop::exec (this=this@entry=0x7ff0f2210d80, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007ff120f39e89 in QThread::exec (this=this@entry=0x142e850) at thread/qthread.cpp:538
#7  0x00007ff121026493 in QInotifyFileSystemWatcherEngine::run (this=0x142e850) at io/qfilesystemwatcher_inotify.cpp:265
#8  0x00007ff120f3c6ff in QThreadPrivate::start (arg=0x142e850) at thread/qthread_unix.cpp:349
#9  0x00007ff11cb436aa in start_thread (arg=0x7ff0f2211700) at pthread_create.c:333
#10 0x00007ff1208edeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 13 (Thread 0x7ff0f0ac3700 (LWP 3621)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ff120f3cc56 in wait (time=18446744073709551615, this=0x142bc00) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x142bad8, mutex=0x138b6a0, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007ff11e11ee9c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x142bab0, th=0x1563230) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007ff11e121d73 in ThreadWeaver::WorkingHardState::applyForWork (this=0x138b930, th=0x1563230, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007ff11e121d8c in ThreadWeaver::WorkingHardState::applyForWork (this=0x138b930, th=0x1563230, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#6  0x00007ff11e121d8c in ThreadWeaver::WorkingHardState::applyForWork (this=0x138b930, th=0x1563230, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#7  0x00007ff11e121d8c in ThreadWeaver::WorkingHardState::applyForWork (this=0x138b930, th=0x1563230, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#8  0x00007ff11e121d8c in ThreadWeaver::WorkingHardState::applyForWork (this=0x138b930, th=0x1563230, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0x00007ff11e121d8c in ThreadWeaver::WorkingHardState::applyForWork (this=0x138b930, th=0x1563230, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#10 0x00007ff11e121d8c in ThreadWeaver::WorkingHardState::applyForWork (this=0x138b930, th=0x1563230, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#11 0x00007ff11e121d8c in ThreadWeaver::WorkingHardState::applyForWork (this=0x138b930, th=0x1563230, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#12 0x00007ff11e121d8c in ThreadWeaver::WorkingHardState::applyForWork (this=0x138b930, th=0x1563230, previous=0x1ed3780) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#13 0x00007ff11e12085f in ThreadWeaver::Thread::run (this=0x1563230) at ../../../threadweaver/Weaver/Thread.cpp:98
#14 0x00007ff120f3c6ff in QThreadPrivate::start (arg=0x1563230) at thread/qthread_unix.cpp:349
#15 0x00007ff11cb436aa in start_thread (arg=0x7ff0f0ac3700) at pthread_create.c:333
#16 0x00007ff1208edeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 12 (Thread 0x7ff0e3c1b700 (LWP 3622)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ff120f3cc56 in wait (time=18446744073709551615, this=0x142bc00) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x142bad8, mutex=0x138b6a0, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007ff11e11ee9c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x142bab0, th=0x16af0b0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007ff11e121d73 in ThreadWeaver::WorkingHardState::applyForWork (this=0x138b930, th=0x16af0b0, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007ff11e121d8c in ThreadWeaver::WorkingHardState::applyForWork (this=0x138b930, th=0x16af0b0, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#6  0x00007ff11e121d8c in ThreadWeaver::WorkingHardState::applyForWork (this=0x138b930, th=0x16af0b0, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#7  0x00007ff11e121d8c in ThreadWeaver::WorkingHardState::applyForWork (this=0x138b930, th=0x16af0b0, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#8  0x00007ff11e121d8c in ThreadWeaver::WorkingHardState::applyForWork (this=0x138b930, th=0x16af0b0, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0x00007ff11e121d8c in ThreadWeaver::WorkingHardState::applyForWork (this=0x138b930, th=0x16af0b0, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#10 0x00007ff11e121d8c in ThreadWeaver::WorkingHardState::applyForWork (this=0x138b930, th=0x16af0b0, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#11 0x00007ff11e121d8c in ThreadWeaver::WorkingHardState::applyForWork (this=0x138b930, th=0x16af0b0, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#12 0x00007ff11e121d8c in ThreadWeaver::WorkingHardState::applyForWork (this=0x138b930, th=0x16af0b0, previous=0x29ad2c0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#13 0x00007ff11e12085f in ThreadWeaver::Thread::run (this=0x16af0b0) at ../../../threadweaver/Weaver/Thread.cpp:98
#14 0x00007ff120f3c6ff in QThreadPrivate::start (arg=0x16af0b0) at thread/qthread_unix.cpp:349
#15 0x00007ff11cb436aa in start_thread (arg=0x7ff0e3c1b700) at pthread_create.c:333
#16 0x00007ff1208edeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 11 (Thread 0x7ff0e341a700 (LWP 3623)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ff120f3cc56 in wait (time=18446744073709551615, this=0x142bc00) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x142bad8, mutex=0x138b6a0, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007ff11e11ee9c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x142bab0, th=0x16b4420) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007ff11e121d73 in ThreadWeaver::WorkingHardState::applyForWork (this=0x138b930, th=0x16b4420, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007ff11e121d8c in ThreadWeaver::WorkingHardState::applyForWork (this=0x138b930, th=0x16b4420, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#6  0x00007ff11e121d8c in ThreadWeaver::WorkingHardState::applyForWork (this=0x138b930, th=0x16b4420, previous=0x1b70ce0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#7  0x00007ff11e12085f in ThreadWeaver::Thread::run (this=0x16b4420) at ../../../threadweaver/Weaver/Thread.cpp:98
#8  0x00007ff120f3c6ff in QThreadPrivate::start (arg=0x16b4420) at thread/qthread_unix.cpp:349
#9  0x00007ff11cb436aa in start_thread (arg=0x7ff0e341a700) at pthread_create.c:333
#10 0x00007ff1208edeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 10 (Thread 0x7ff0e2c19700 (LWP 3624)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ff120f3cc56 in wait (time=18446744073709551615, this=0x142bc00) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x142bad8, mutex=0x138b6a0, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007ff11e11ee9c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x142bab0, th=0x16ebfa0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007ff11e121d73 in ThreadWeaver::WorkingHardState::applyForWork (this=0x138b930, th=0x16ebfa0, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007ff11e121d8c in ThreadWeaver::WorkingHardState::applyForWork (this=0x138b930, th=0x16ebfa0, previous=0x1fb3250) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#6  0x00007ff11e12085f in ThreadWeaver::Thread::run (this=0x16ebfa0) at ../../../threadweaver/Weaver/Thread.cpp:98
#7  0x00007ff120f3c6ff in QThreadPrivate::start (arg=0x16ebfa0) at thread/qthread_unix.cpp:349
#8  0x00007ff11cb436aa in start_thread (arg=0x7ff0e2c19700) at pthread_create.c:333
#9  0x00007ff1208edeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 9 (Thread 0x7ff0e2418700 (LWP 3625)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ff120f3cc56 in wait (time=18446744073709551615, this=0x142bc00) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x142bad8, mutex=0x138b6a0, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007ff11e11ee9c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x142bab0, th=0x7ff0d4009610) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007ff11e121d73 in ThreadWeaver::WorkingHardState::applyForWork (this=0x138b930, th=0x7ff0d4009610, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007ff11e121d8c in ThreadWeaver::WorkingHardState::applyForWork (this=0x138b930, th=0x7ff0d4009610, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#6  0x00007ff11e121d8c in ThreadWeaver::WorkingHardState::applyForWork (this=0x138b930, th=0x7ff0d4009610, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#7  0x00007ff11e121d8c in ThreadWeaver::WorkingHardState::applyForWork (this=0x138b930, th=0x7ff0d4009610, previous=0x2a68bc0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#8  0x00007ff11e12085f in ThreadWeaver::Thread::run (this=0x7ff0d4009610) at ../../../threadweaver/Weaver/Thread.cpp:98
#9  0x00007ff120f3c6ff in QThreadPrivate::start (arg=0x7ff0d4009610) at thread/qthread_unix.cpp:349
#10 0x00007ff11cb436aa in start_thread (arg=0x7ff0e2418700) at pthread_create.c:333
#11 0x00007ff1208edeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 8 (Thread 0x7ff0e1c17700 (LWP 3626)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ff120f3cc56 in wait (time=18446744073709551615, this=0x142bc00) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x142bad8, mutex=0x138b6a0, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007ff11e11ee9c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x142bab0, th=0x7ff0d401fcb0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007ff11e121d73 in ThreadWeaver::WorkingHardState::applyForWork (this=0x138b930, th=0x7ff0d401fcb0, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007ff11e121d8c in ThreadWeaver::WorkingHardState::applyForWork (this=0x138b930, th=0x7ff0d401fcb0, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#6  0x00007ff11e121d8c in ThreadWeaver::WorkingHardState::applyForWork (this=0x138b930, th=0x7ff0d401fcb0, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#7  0x00007ff11e121d8c in ThreadWeaver::WorkingHardState::applyForWork (this=0x138b930, th=0x7ff0d401fcb0, previous=0x0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#8  0x00007ff11e121d8c in ThreadWeaver::WorkingHardState::applyForWork (this=0x138b930, th=0x7ff0d401fcb0, previous=0x2ab7fd0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0x00007ff11e12085f in ThreadWeaver::Thread::run (this=0x7ff0d401fcb0) at ../../../threadweaver/Weaver/Thread.cpp:98
#10 0x00007ff120f3c6ff in QThreadPrivate::start (arg=0x7ff0d401fcb0) at thread/qthread_unix.cpp:349
#11 0x00007ff11cb436aa in start_thread (arg=0x7ff0e1c17700) at pthread_create.c:333
#12 0x00007ff1208edeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7ff0e1416700 (LWP 3627)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ff120f3cc56 in wait (time=18446744073709551615, this=0x142bc00) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=this@entry=0x142bad8, mutex=0x138b6a0, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007ff11e11ee9c in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x142bab0, th=0x7ff0d4020ea0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:370
#4  0x00007ff11e121d73 in ThreadWeaver::WorkingHardState::applyForWork (this=0x138b930, th=0x7ff0d4020ea0, previous=0x2ba7e10) at ../../../threadweaver/Weaver/WorkingHardState.cpp:68
#5  0x00007ff11e12085f in ThreadWeaver::Thread::run (this=0x7ff0d4020ea0) at ../../../threadweaver/Weaver/Thread.cpp:98
#6  0x00007ff120f3c6ff in QThreadPrivate::start (arg=0x7ff0d4020ea0) at thread/qthread_unix.cpp:349
#7  0x00007ff11cb436aa in start_thread (arg=0x7ff0e1416700) at pthread_create.c:333
#8  0x00007ff1208edeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7ff0cbfff700 (LWP 3628)):
#0  0x00007ff1208de49d in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007ff11aab52f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ff11aa7196c in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff11aa71e60 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ff11aa71fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ff12107687e in QEventDispatcherGlib::processEvents (this=0x7ff0b40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:452
#6  0x00007ff121045d21 in QEventLoop::processEvents (this=this@entry=0x7ff0cbffed80, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007ff121046085 in QEventLoop::exec (this=this@entry=0x7ff0cbffed80, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007ff120f39e89 in QThread::exec (this=this@entry=0x1b10b70) at thread/qthread.cpp:538
#9  0x00007ff121026493 in QInotifyFileSystemWatcherEngine::run (this=0x1b10b70) at io/qfilesystemwatcher_inotify.cpp:265
#10 0x00007ff120f3c6ff in QThreadPrivate::start (arg=0x1b10b70) at thread/qthread_unix.cpp:349
#11 0x00007ff11cb436aa in start_thread (arg=0x7ff0cbfff700) at pthread_create.c:333
#12 0x00007ff1208edeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7ff0cb3d7700 (LWP 3629)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ff117bc681d in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#2  0x00007ff117bc6859 in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#3  0x00007ff11cb436aa in start_thread (arg=0x7ff0cb3d7700) at pthread_create.c:333
#4  0x00007ff1208edeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7ff0c9c9c700 (LWP 3632)):
#0  postEventSourcePrepare (s=0x7ff0640012e0, timeout=0x7ff0c9c9bc04) at kernel/qeventdispatcher_glib.cpp:278
#1  0x00007ff11aa713fd in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ff11aa71de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff11aa71fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ff12107687e in QEventDispatcherGlib::processEvents (this=0x7ff0640008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:452
#5  0x00007ff121045d21 in QEventLoop::processEvents (this=this@entry=0x7ff0c9c9bdd0, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007ff121046085 in QEventLoop::exec (this=this@entry=0x7ff0c9c9bdd0, flags=...) at kernel/qeventloop.cpp:204
#7  0x00007ff120f39e89 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:538
#8  0x00007ff120f3c6ff in QThreadPrivate::start (arg=0x1bba760) at thread/qthread_unix.cpp:349
#9  0x00007ff11cb436aa in start_thread (arg=0x7ff0c9c9c700) at pthread_create.c:333
#10 0x00007ff1208edeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7ff0c8e12700 (LWP 3633)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ff11d135a7a in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007ff11d135aa9 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007ff11cb436aa in start_thread (arg=0x7ff0c8e12700) at pthread_create.c:333
#4  0x00007ff1208edeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7ff0ca49d700 (LWP 3655)):
#0  0x00007ff1208e28dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007ff11aa71ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ff11aa71fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ff12107687e in QEventDispatcherGlib::processEvents (this=0x7ff06c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:452
#4  0x00007ff121045d21 in QEventLoop::processEvents (this=this@entry=0x7ff0ca49cd80, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007ff121046085 in QEventLoop::exec (this=this@entry=0x7ff0ca49cd80, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007ff120f39e89 in QThread::exec (this=this@entry=0x7ff0ec040a10) at thread/qthread.cpp:538
#7  0x00007ff121026493 in QInotifyFileSystemWatcherEngine::run (this=0x7ff0ec040a10) at io/qfilesystemwatcher_inotify.cpp:265
#8  0x00007ff120f3c6ff in QThreadPrivate::start (arg=0x7ff0ec040a10) at thread/qthread_unix.cpp:349
#9  0x00007ff11cb436aa in start_thread (arg=0x7ff0ca49d700) at pthread_create.c:333
#10 0x00007ff1208edeed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7ff123c3f800 (LWP 3614)):
[KCrash Handler]
#6  QReadWriteLock::lockForRead (this=this@entry=0x38) at thread/qreadwritelock.cpp:149
#7  0x00007ff122db7990 in relock (this=<synthetic pointer>) at /usr/include/qt4/QtCore/qreadwritelock.h:111
#8  QReadLocker (areadWriteLock=0x38, this=<synthetic pointer>) at /usr/include/qt4/QtCore/qreadwritelock.h:130
#9  MusicBrainzTagsItem::childCount (this=0x0) at ../../src/musicbrainz/MusicBrainzTagsItem.cpp:216
#10 0x00007ff122dbda3c in MusicBrainzTagsModel::flags (this=0x2d47320, index=...) at ../../src/musicbrainz/MusicBrainzTagsModel.cpp:210
#11 0x00007ff121b30b0b in QSortFilterProxyModel::flags (this=<optimized out>, index=...) at itemviews/qsortfilterproxymodel.cpp:2003
#12 0x00007ff121ae8237 in QTreeView::drawRow (this=0x2d464a0, painter=0x7ffeec4f50f0, option=..., index=...) at itemviews/qtreeview.cpp:1631
#13 0x00007ff121aeb6c1 in QTreeView::drawTree (this=this@entry=0x2d464a0, painter=painter@entry=0x7ffeec4f50f0, region=...) at itemviews/qtreeview.cpp:1438
#14 0x00007ff121aef6b6 in QTreeView::paintEvent (this=0x2d464a0, event=0x7ffeec4f57f0) at itemviews/qtreeview.cpp:1270
#15 0x00007ff1215ccdc8 in QWidget::event (this=0x2d464a0, event=0x7ffeec4f57f0) at kernel/qwidget.cpp:8775
#16 0x00007ff12199364e in QFrame::event (this=0x2d464a0, e=0x7ffeec4f57f0) at widgets/qframe.cpp:557
#17 0x00007ff121ab11a3 in QAbstractItemView::viewportEvent (this=this@entry=0x2d464a0, event=event@entry=0x7ffeec4f57f0) at itemviews/qabstractitemview.cpp:1644
#18 0x00007ff121af3990 in QTreeView::viewportEvent (this=0x2d464a0, event=0x7ffeec4f57f0) at itemviews/qtreeview.cpp:1252
#19 0x00007ff121047336 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=this@entry=0xf81cb0, receiver=receiver@entry=0x2d46500, event=event@entry=0x7ffeec4f57f0) at kernel/qcoreapplication.cpp:1065
#20 0x00007ff12157999c in QApplicationPrivate::notify_helper (this=this@entry=0xf81cb0, receiver=receiver@entry=0x2d46500, e=e@entry=0x7ffeec4f57f0) at kernel/qapplication.cpp:4566
#21 0x00007ff1215804d8 in QApplication::notify (this=this@entry=0x7ffeec4f7120, receiver=receiver@entry=0x2d46500, e=e@entry=0x7ffeec4f57f0) at kernel/qapplication.cpp:4356
#22 0x00007ff123632b4a in KApplication::notify (this=0x7ffeec4f7120, receiver=0x2d46500, event=0x7ffeec4f57f0) at ../../kdeui/kernel/kapplication.cpp:311
#23 0x00007ff1210471cd in QCoreApplication::notifyInternal (this=0x7ffeec4f7120, receiver=receiver@entry=0x2d46500, event=event@entry=0x7ffeec4f57f0) at kernel/qcoreapplication.cpp:955
#24 0x00007ff1215c749d in sendSpontaneousEvent (event=0x7ffeec4f57f0, receiver=0x2d46500) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:234
#25 QWidgetPrivate::drawWidget (this=this@entry=0x2d8a170, pdev=pdev@entry=0x2e54af0, rgn=..., offset=..., flags=flags@entry=4, sharedPainter=sharedPainter@entry=0x0, backingStore=0x2bde2f0) at kernel/qwidget.cpp:5599
#26 0x00007ff1215c7f65 in QWidgetPrivate::paintSiblingsRecursive (this=this@entry=0x2d2ed20, pdev=pdev@entry=0x2e54af0, siblings=..., index=<optimized out>, index@entry=3, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x2bde2f0) at kernel/qwidget.cpp:5808
#27 0x00007ff1215c7ddd in QWidgetPrivate::paintSiblingsRecursive (this=this@entry=0x2d2ed20, pdev=pdev@entry=0x2e54af0, siblings=..., index=3, index@entry=4, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x2bde2f0) at kernel/qwidget.cpp:5795
#28 0x00007ff1215c7ddd in QWidgetPrivate::paintSiblingsRecursive (this=this@entry=0x2d2ed20, pdev=pdev@entry=0x2e54af0, siblings=..., index=4, index@entry=5, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x2bde2f0) at kernel/qwidget.cpp:5795
#29 0x00007ff1215c7ddd in QWidgetPrivate::paintSiblingsRecursive (this=this@entry=0x2d2ed20, pdev=pdev@entry=0x2e54af0, siblings=..., index=5, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x2bde2f0) at kernel/qwidget.cpp:5795
#30 0x00007ff1215c700a in QWidgetPrivate::drawWidget (this=this@entry=0x2d2ed20, pdev=pdev@entry=0x2e54af0, rgn=..., offset=..., flags=flags@entry=4, sharedPainter=sharedPainter@entry=0x0, backingStore=0x2bde2f0) at kernel/qwidget.cpp:5652
#31 0x00007ff1215c7f65 in QWidgetPrivate::paintSiblingsRecursive (this=this@entry=0x2d46100, pdev=pdev@entry=0x2e54af0, siblings=..., index=<optimized out>, index@entry=2, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x2bde2f0) at kernel/qwidget.cpp:5808
#32 0x00007ff1215c7ddd in QWidgetPrivate::paintSiblingsRecursive (this=this@entry=0x2d46100, pdev=pdev@entry=0x2e54af0, siblings=..., index=2, index@entry=3, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x2bde2f0) at kernel/qwidget.cpp:5795
#33 0x00007ff1215c7ddd in QWidgetPrivate::paintSiblingsRecursive (this=this@entry=0x2d46100, pdev=pdev@entry=0x2e54af0, siblings=..., index=3, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x2bde2f0) at kernel/qwidget.cpp:5795
#34 0x00007ff1215c700a in QWidgetPrivate::drawWidget (this=this@entry=0x2d46100, pdev=pdev@entry=0x2e54af0, rgn=..., offset=..., flags=flags@entry=4, sharedPainter=sharedPainter@entry=0x0, backingStore=0x2bde2f0) at kernel/qwidget.cpp:5652
#35 0x00007ff1215c7f65 in QWidgetPrivate::paintSiblingsRecursive (this=this@entry=0x2d871c0, pdev=pdev@entry=0x2e54af0, siblings=..., index=<optimized out>, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x2bde2f0) at kernel/qwidget.cpp:5808
#36 0x00007ff1215c700a in QWidgetPrivate::drawWidget (this=0x2d871c0, pdev=0x2e54af0, rgn=..., offset=..., flags=flags@entry=5, sharedPainter=sharedPainter@entry=0x0, backingStore=0x2bde2f0) at kernel/qwidget.cpp:5652
#37 0x00007ff12179d115 in QWidgetBackingStore::sync (this=0x2bde2f0) at painting/qbackingstore.cpp:1373
#38 0x00007ff1215bbbc0 in QWidgetPrivate::syncBackingStore (this=0x2d871c0) at kernel/qwidget.cpp:1894
#39 0x00007ff1215cce98 in QWidget::event (this=0x2c6e0d0, event=0x2417f00) at kernel/qwidget.cpp:8693
#40 0x00007ff1215799bc in QApplicationPrivate::notify_helper (this=this@entry=0xf81cb0, receiver=receiver@entry=0x2c6e0d0, e=e@entry=0x2417f00) at kernel/qapplication.cpp:4570
#41 0x00007ff1215804d8 in QApplication::notify (this=this@entry=0x7ffeec4f7120, receiver=receiver@entry=0x2c6e0d0, e=e@entry=0x2417f00) at kernel/qapplication.cpp:4356
#42 0x00007ff123632b4a in KApplication::notify (this=0x7ffeec4f7120, receiver=0x2c6e0d0, event=0x2417f00) at ../../kdeui/kernel/kapplication.cpp:311
#43 0x00007ff1210471cd in QCoreApplication::notifyInternal (this=0x7ffeec4f7120, receiver=receiver@entry=0x2c6e0d0, event=event@entry=0x2417f00) at kernel/qcoreapplication.cpp:955
#44 0x00007ff12104aa71 in sendEvent (event=0x2417f00, receiver=0x2c6e0d0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#45 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0xe8ff30) at kernel/qcoreapplication.cpp:1579
#46 0x00007ff12104af03 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1472
#47 0x00007ff1210766ee in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#48 postEventSourceDispatch (s=0xf74570) at kernel/qeventdispatcher_glib.cpp:300
#49 0x00007ff11aa71c3d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#50 0x00007ff11aa71f20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#51 0x00007ff11aa71fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#52 0x00007ff12107685e in QEventDispatcherGlib::processEvents (this=0xe91830, flags=...) at kernel/qeventdispatcher_glib.cpp:450
#53 0x00007ff121621c66 in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#54 0x00007ff121045d21 in QEventLoop::processEvents (this=this@entry=0x7ffeec4f7010, flags=...) at kernel/qeventloop.cpp:149
#55 0x00007ff121046085 in QEventLoop::exec (this=this@entry=0x7ffeec4f7010, flags=...) at kernel/qeventloop.cpp:204
#56 0x00007ff12104bb09 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1227
#57 0x00007ff121577c1c in QApplication::exec () at kernel/qapplication.cpp:3828
#58 0x0000000000407e04 in main (argc=<optimized out>, argv=0x7ffeec4f7288) at ../../src/main.cpp:329

The reporter indicates this bug may be a duplicate of or related to bug 328359.

Possible duplicates by query: bug 353179, bug 353092, bug 352590, bug 352072, bug 351636.

Reported using DrKonqi
Comment 1 Myriam Schweingruber 2015-10-05 12:32:52 UTC 
Please always check for duplicates before reporting, this bugs is known already.

*** This bug has been marked as a duplicate of bug 328359 ***