209640 2009-10-06 16:23:05 +0000 dragging root "Local Collection" around 2009-11-21 09:29:17 +0000 1 1 2 Applications amarok Collection Browser 2.3-GIT Unlisted Binaries Linux RESOLVED INVALID NOR crash 2.3.1 1 simonrijk amarok-bugs-null andreas-stangl kdebugreport maximilian.kossick 0 oldest_to_newest 841010 0 simonrijk 2009-10-06 16:23:05 +0000 Application that crashed: amarok Version of the application: 2.2.0 KDE Version: 4.3.1 (KDE 4.3.1) Qt Version: 4.5.2 Operating System: Linux 2.6.30-1-686 i686 Distribution: Debian GNU/Linux testing (squeeze) What I was doing when the application crashed: Dragging the root of the Local Collection ends up in a crash. -- Backtrace: Application: Amarok (amarok), signal: Segmentation fault [Current thread is 1 (Thread 0xb2e4a730 (LWP 16078))] Thread 15 (Thread 0xb052bb90 (LWP 16082)): #0 0xb807b424 in __kernel_vsyscall () #1 0xb4954292 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/i686/cmov/libpthread.so.0 #2 0xb67998b4 in pthread_cond_timedwait () from /lib/i686/cmov/libc.so.6 #3 0xb12378c3 in ?? () from /usr/lib/libxine.so.1 Thread 14 (Thread 0xafbc4b90 (LWP 16083)): #0 0xb67999f1 in pthread_mutex_lock () from /lib/i686/cmov/libc.so.6 #1 0xb44cd59a in ?? () from /lib/libglib-2.0.so.0 #2 0xb44cd7a8 in g_main_context_iteration () from /lib/libglib-2.0.so.0 #3 0xb7428877 in QEventDispatcherGlib::processEvents (this=0x8f3e760, flags=...) at kernel/qeventdispatcher_glib.cpp:329 #4 0xb73fc01a in QEventLoop::processEvents (this=0xafbc42c0, flags=...) at kernel/qeventloop.cpp:149 #5 0xb73fc462 in QEventLoop::exec (this=0xafbc42c0, flags=...) at kernel/qeventloop.cpp:201 #6 0xb73092c9 in QThread::exec (this=0x903a378) at thread/qthread.cpp:487 #7 0xb12852ba in ?? () from /usr/lib/qt4/plugins/phonon_backend/phonon_xine.so #8 0xb730c582 in QThreadPrivate::start (arg=0x903a378) at thread/qthread_unix.cpp:188 #9 0xb49504b5 in start_thread () from /lib/i686/cmov/libpthread.so.0 #10 0xb678aa5e in clone () from /lib/i686/cmov/libc.so.6 Thread 13 (Thread 0xaf3c3b90 (LWP 16086)): #0 0xb807b424 in __kernel_vsyscall () #1 0xb677aebb in read () from /lib/i686/cmov/libc.so.6 #2 0xb14b3c12 in ?? () from /usr/lib/libasound.so.2 #3 0xb14b068d in snd_ctl_read () from /usr/lib/libasound.so.2 #4 0xb14acaef in snd_hctl_handle_events () from /usr/lib/libasound.so.2 #5 0xb14b89a1 in snd_mixer_handle_events () from /usr/lib/libasound.so.2 #6 0xafd25aa1 in ?? () from /usr/lib/xine/plugins/1.26/xineplug_ao_out_alsa.so Backtrace stopped: previous frame inner to this frame (corrupt stack?) Thread 12 (Thread 0xaebc2b90 (LWP 16087)): #0 0xb807b424 in __kernel_vsyscall () #1 0xb4953f65 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i686/cmov/libpthread.so.0 #2 0xb679985d in pthread_cond_wait () from /lib/i686/cmov/libc.so.6 #3 0xb1248a22 in ?? () from /usr/lib/libxine.so.1 Backtrace stopped: previous frame inner to this frame (corrupt stack?) Thread 11 (Thread 0xae3c1b90 (LWP 16088)): #0 0xb807b424 in __kernel_vsyscall () #1 0xb4953f65 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i686/cmov/libpthread.so.0 #2 0xb679985d in pthread_cond_wait () from /lib/i686/cmov/libc.so.6 #3 0xb1248a22 in ?? () from /usr/lib/libxine.so.1 Backtrace stopped: previous frame inner to this frame (corrupt stack?) Thread 10 (Thread 0xad9ffb90 (LWP 16089)): #0 0xb807b424 in __kernel_vsyscall () #1 0xb4953f65 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i686/cmov/libpthread.so.0 #2 0xb679985d in pthread_cond_wait () from /lib/i686/cmov/libc.so.6 #3 0xb1248a22 in ?? () from /usr/lib/libxine.so.1 Backtrace stopped: previous frame inner to this frame (corrupt stack?) Thread 9 (Thread 0xacac0b90 (LWP 16091)): [KCrash Handler] #6 0xacccb5e0 in SqlQueryMaker::handleResult (this=0xcb1bcf8, result=...) at ../../../../src/collection/sqlcollection/SqlQueryMaker.cpp:666 #7 0xacccd4ab in SqlWorkerThread::run (this=0xcb1c7d0) at ../../../../src/collection/sqlcollection/SqlQueryMaker.cpp:56 #8 0xb5cd64f4 in ThreadWeaver::JobRunHelper::runTheJob (this=0xacac02a8, th=0x9979910, job=0xcb1c7d0) at ../../../threadweaver/Weaver/Job.cpp:106 #9 0xb5cd6871 in ThreadWeaver::Job::execute (this=0xcb1c7d0, th=0x9979910) at ../../../threadweaver/Weaver/Job.cpp:135 #10 0xb5cd548a in ThreadWeaver::ThreadRunHelper::run (this=0xacac0310, parent=0x961ce10, th=0x9979910) at ../../../threadweaver/Weaver/Thread.cpp:95 #11 0xb5cd5afb in ThreadWeaver::Thread::run (this=0x9979910) at ../../../threadweaver/Weaver/Thread.cpp:142 #12 0xb730c582 in QThreadPrivate::start (arg=0x9979910) at thread/qthread_unix.cpp:188 #13 0xb49504b5 in start_thread () from /lib/i686/cmov/libpthread.so.0 #14 0xb678aa5e in clone () from /lib/i686/cmov/libc.so.6 Thread 8 (Thread 0xaaf19b90 (LWP 16092)): #0 0xb807b424 in __kernel_vsyscall () #1 0xb4953f65 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i686/cmov/libpthread.so.0 #2 0xb679985d in pthread_cond_wait () from /lib/i686/cmov/libc.so.6 #3 0xb730d562 in QWaitConditionPrivate::wait (this=0x961ce28, mutex=0x9622d48, time=4294967295) at thread/qwaitcondition_unix.cpp:87 #4 QWaitCondition::wait (this=0x961ce28, mutex=0x9622d48, time=4294967295) at thread/qwaitcondition_unix.cpp:159 #5 0xb5cd4648 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x961ce10, th=0x9a7cb88) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365 #6 0xb5cd73ac in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x980b688, th=0x9a7cb88) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80 #7 0xb5cd323b in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x961ce10, th=0x9a7cb88) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356 #8 0xb5cd74a2 in ThreadWeaver::WorkingHardState::applyForWork (this=0x980b688, th=0x9a7cb88) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71 #9 0xb5cd4bd3 in ThreadWeaver::WeaverImpl::applyForWork (this=0x961ce10, th=0x9a7cb88, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351 #10 0xb5cd74c1 in ThreadWeaver::WorkingHardState::applyForWork (this=0x980b688, th=0x9a7cb88) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74 #11 0xb5cd4bd3 in ThreadWeaver::WeaverImpl::applyForWork (this=0x961ce10, th=0x9a7cb88, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351 #12 0xb5cd74c1 in ThreadWeaver::WorkingHardState::applyForWork (this=0x980b688, th=0x9a7cb88) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74 #13 0xb5cd4bd3 in ThreadWeaver::WeaverImpl::applyForWork (this=0x961ce10, th=0x9a7cb88, previous=0xc5e7b78) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351 #14 0xb5cd54be in ThreadWeaver::ThreadRunHelper::run (this=0xaaf19310, parent=0x961ce10, th=0x9a7cb88) at ../../../threadweaver/Weaver/Thread.cpp:87 #15 0xb5cd5afb in ThreadWeaver::Thread::run (this=0x9a7cb88) at ../../../threadweaver/Weaver/Thread.cpp:142 #16 0xb730c582 in QThreadPrivate::start (arg=0x9a7cb88) at thread/qthread_unix.cpp:188 #17 0xb49504b5 in start_thread () from /lib/i686/cmov/libpthread.so.0 #18 0xb678aa5e in clone () from /lib/i686/cmov/libc.so.6 Thread 7 (Thread 0xaa503b90 (LWP 16093)): #0 0xb807b424 in __kernel_vsyscall () #1 0xb4953f65 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i686/cmov/libpthread.so.0 #2 0xb679985d in pthread_cond_wait () from /lib/i686/cmov/libc.so.6 #3 0xb730d562 in QWaitConditionPrivate::wait (this=0x961ce28, mutex=0x9622d48, time=4294967295) at thread/qwaitcondition_unix.cpp:87 #4 QWaitCondition::wait (this=0x961ce28, mutex=0x9622d48, time=4294967295) at thread/qwaitcondition_unix.cpp:159 #5 0xb5cd4648 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x961ce10, th=0x96377d0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365 #6 0xb5cd73ac in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x980b688, th=0x96377d0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80 #7 0xb5cd323b in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x961ce10, th=0x96377d0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356 #8 0xb5cd74a2 in ThreadWeaver::WorkingHardState::applyForWork (this=0x980b688, th=0x96377d0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71 #9 0xb5cd4bd3 in ThreadWeaver::WeaverImpl::applyForWork (this=0x961ce10, th=0x96377d0, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351 #10 0xb5cd74c1 in ThreadWeaver::WorkingHardState::applyForWork (this=0x980b688, th=0x96377d0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74 #11 0xb5cd4bd3 in ThreadWeaver::WeaverImpl::applyForWork (this=0x961ce10, th=0x96377d0, previous=0xcbb4418) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351 #12 0xb5cd54be in ThreadWeaver::ThreadRunHelper::run (this=0xaa503310, parent=0x961ce10, th=0x96377d0) at ../../../threadweaver/Weaver/Thread.cpp:87 #13 0xb5cd5afb in ThreadWeaver::Thread::run (this=0x96377d0) at ../../../threadweaver/Weaver/Thread.cpp:142 #14 0xb730c582 in QThreadPrivate::start (arg=0x96377d0) at thread/qthread_unix.cpp:188 #15 0xb49504b5 in start_thread () from /lib/i686/cmov/libpthread.so.0 #16 0xb678aa5e in clone () from /lib/i686/cmov/libc.so.6 Thread 6 (Thread 0xa51fdb90 (LWP 16094)): #0 0xb807b424 in __kernel_vsyscall () #1 0xb6782fe1 in select () from /lib/i686/cmov/libc.so.6 #2 0xb126130a in xine_usec_sleep () from /usr/lib/libxine.so.1 #3 0x00000000 in ?? () Thread 5 (Thread 0xa4613b90 (LWP 16095)): #0 0xb807b424 in __kernel_vsyscall () #1 0xb4953f65 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i686/cmov/libpthread.so.0 #2 0xb679985d in pthread_cond_wait () from /lib/i686/cmov/libc.so.6 #3 0xb123afc2 in ?? () from /usr/lib/libxine.so.1 Backtrace stopped: previous frame inner to this frame (corrupt stack?) Thread 4 (Thread 0xa3c45b90 (LWP 16096)): #0 0xb807b424 in __kernel_vsyscall () #1 0xb4953f65 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i686/cmov/libpthread.so.0 #2 0xb679985d in pthread_cond_wait () from /lib/i686/cmov/libc.so.6 #3 0xb123afc2 in ?? () from /usr/lib/libxine.so.1 Backtrace stopped: previous frame inner to this frame (corrupt stack?) Thread 3 (Thread 0xa3444b90 (LWP 16097)): #0 0xb807b424 in __kernel_vsyscall () #1 0xb4953f65 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i686/cmov/libpthread.so.0 #2 0xb679985d in pthread_cond_wait () from /lib/i686/cmov/libc.so.6 #3 0xb124b84a in ?? () from /usr/lib/libxine.so.1 Backtrace stopped: previous frame inner to this frame (corrupt stack?) Thread 2 (Thread 0x9a07eb90 (LWP 16377)): #0 0xb807b424 in __kernel_vsyscall () #1 0xb4953f65 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i686/cmov/libpthread.so.0 #2 0xb679985d in pthread_cond_wait () from /lib/i686/cmov/libc.so.6 #3 0xb730d562 in QWaitConditionPrivate::wait (this=0x961ce28, mutex=0x9622d48, time=4294967295) at thread/qwaitcondition_unix.cpp:87 #4 QWaitCondition::wait (this=0x961ce28, mutex=0x9622d48, time=4294967295) at thread/qwaitcondition_unix.cpp:159 #5 0xb5cd4648 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x961ce10, th=0xc5fd160) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365 #6 0xb5cd73ac in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x980b688, th=0xc5fd160) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80 #7 0xb5cd323b in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x961ce10, th=0xc5fd160) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356 #8 0xb5cd74a2 in ThreadWeaver::WorkingHardState::applyForWork (this=0x980b688, th=0xc5fd160) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71 #9 0xb5cd4bd3 in ThreadWeaver::WeaverImpl::applyForWork (this=0x961ce10, th=0xc5fd160, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351 #10 0xb5cd74c1 in ThreadWeaver::WorkingHardState::applyForWork (this=0x980b688, th=0xc5fd160) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74 #11 0xb5cd4bd3 in ThreadWeaver::WeaverImpl::applyForWork (this=0x961ce10, th=0xc5fd160, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351 #12 0xb5cd74c1 in ThreadWeaver::WorkingHardState::applyForWork (this=0x980b688, th=0xc5fd160) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74 #13 0xb5cd4bd3 in ThreadWeaver::WeaverImpl::applyForWork (this=0x961ce10, th=0xc5fd160, previous=0xc3cd5f8) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351 #14 0xb5cd54be in ThreadWeaver::ThreadRunHelper::run (this=0x9a07e310, parent=0x961ce10, th=0xc5fd160) at ../../../threadweaver/Weaver/Thread.cpp:87 #15 0xb5cd5afb in ThreadWeaver::Thread::run (this=0xc5fd160) at ../../../threadweaver/Weaver/Thread.cpp:142 #16 0xb730c582 in QThreadPrivate::start (arg=0xc5fd160) at thread/qthread_unix.cpp:188 #17 0xb49504b5 in start_thread () from /lib/i686/cmov/libpthread.so.0 #18 0xb678aa5e in clone () from /lib/i686/cmov/libc.so.6 Thread 1 (Thread 0xb2e4a730 (LWP 16078)): #0 0xb807b424 in __kernel_vsyscall () #1 0xb4953f65 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i686/cmov/libpthread.so.0 #2 0xb679985d in pthread_cond_wait () from /lib/i686/cmov/libc.so.6 #3 0xb730d562 in QWaitConditionPrivate::wait (this=0x90d38bc, mutex=0x90d38ac, time=4294967295) at thread/qwaitcondition_unix.cpp:87 #4 QWaitCondition::wait (this=0x90d38bc, mutex=0x90d38ac, time=4294967295) at thread/qwaitcondition_unix.cpp:159 #5 0xb128a427 in ?? () from /usr/lib/qt4/plugins/phonon_backend/phonon_xine.so #6 0xb129fba2 in ?? () from /usr/lib/qt4/plugins/phonon_backend/phonon_xine.so #7 0xb5c3d00c in Phonon::MediaNodePrivate::deleteBackendObject() () from /usr/lib/libphonon.so.4 #8 0xb5c4c517 in ?? () from /usr/lib/libphonon.so.4 #9 0xb5c4b1f5 in ?? () from /usr/lib/libphonon.so.4 #10 0xb5c4875b in ?? () from /usr/lib/libphonon.so.4 #11 0xb66d9589 in exit () from /lib/i686/cmov/libc.so.6 #12 0xb6aa0dab in qt_xio_errhandler () at kernel/qapplication_x11.cpp:707 #13 0xb7eaae5a in KApplication::xioErrhandler (this=0xbfa35334, dpy=0x8f5d178) at ../../kdeui/kernel/kapplication.cpp:408 #14 0xb7eaae96 in kde_xio_errhandler (dpy=0x8f5d178) at ../../kdeui/kernel/kapplication.cpp:125 #15 0xb65562b6 in _XIOError () from /usr/lib/libX11.so.6 #16 0xb655d711 in ?? () from /usr/lib/libX11.so.6 #17 0xb655e0d6 in _XEventsQueued () from /usr/lib/libX11.so.6 #18 0xb654711f in XEventsQueued () from /usr/lib/libX11.so.6 #19 0xb6add19d in x11EventSourceCheck (s=0x8f44978) at kernel/qguieventdispatcher_glib.cpp:87 #20 0xb44ccc6e in g_main_context_check () from /lib/libglib-2.0.so.0 #21 0xb44cd555 in ?? () from /lib/libglib-2.0.so.0 #22 0xb44cd7a8 in g_main_context_iteration () from /lib/libglib-2.0.so.0 #23 0xb7428877 in QEventDispatcherGlib::processEvents (this=0x8e8ec58, flags=...) at kernel/qeventdispatcher_glib.cpp:329 #24 0xb6adcfd5 in QGuiEventDispatcherGlib::processEvents (this=0x8e8ec58, flags=...) at kernel/qguieventdispatcher_glib.cpp:202 #25 0xb73fc01a in QEventLoop::processEvents (this=0xbfa34fc0, flags=...) at kernel/qeventloop.cpp:149 #26 0xb73fc462 in QEventLoop::exec (this=0xbfa34fc0, flags=...) at kernel/qeventloop.cpp:201 #27 0xb73fe8b9 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888 #28 0xb6a3d697 in QApplication::exec () at kernel/qapplication.cpp:3525 #29 0x08051f9d in main (argc=1, argv=0xbfa35b14) at ../../src/main.cpp:225 Reported using DrKonqi 841018 1 myriam 2009-10-06 16:36:36 +0000 You mean trying to move the whole collection? 841021 2 mikko.cal 2009-10-06 16:42:15 +0000 confirmed here with git master. But the backtrace looks different, I guess because there have been line changes: Thread 3 (Thread 0x7fd601a2b950 (LWP 3595)): [KCrash Handler] #5 0x00007fd615a51c11 in QBasicAtomicInt::operator!= (this=0x6e006500430020, value=1) at /usr/include/qt4/QtCore/qbasicatomic.h:69 #6 0x00007fd615a7eecc in QList<KSharedPtr<Meta::MetaBase> >::detach (this=0x7229cc8) at /usr/include/qt4/QtCore/qlist.h:119 #7 0x00007fd615a7e2b0 in QList<KSharedPtr<Meta::MetaBase> >::append (this=0x7229cc8, t=@0x7fd601a2acd0) at /usr/include/qt4/QtCore/qlist.h:424 #8 0x00007fd615a7cf53 in QList<KSharedPtr<Meta::MetaBase> >::operator<< (this=0x7229cc8, t=@0x7fd601a2acd0) at /usr/include/qt4/QtCore/qlist.h:304 #9 0x00007fd615a7a112 in SqlQueryMaker::handleTracks (this=0x5c00920, result=@0x7fd601a2aed0) at /home/mikko/amarok/src/collection/sqlcollection/SqlQueryMaker.cpp:1043 #10 0x00007fd615a78490 in SqlQueryMaker::handleResult (this=0x5c00920, result=@0x7fd601a2aed0) at /home/mikko/amarok/src/collection/sqlcollection/SqlQueryMaker.cpp:736 #11 0x00007fd615a7bc9e in SqlWorkerThread::run (this=0x54cef10) at /home/mikko/amarok/src/collection/sqlcollection/SqlQueryMaker.cpp:56 #12 0x00007fd627bd6123 in ThreadWeaver::JobRunHelper::runTheJob (this=0x7fd601a2af50, th=0x2bf4970, job=0x54cef10) at /var/tmp/paludis/kde-base-kdelibs-9999/work/kdelibs-9999/threadweaver/Weaver/Job.cpp:106 #13 0x00007fd627bd62e2 in ThreadWeaver::Job::execute (this=0x54cef10, th=0x2bf4970) at /var/tmp/paludis/kde-base-kdelibs-9999/work/kdelibs-9999/threadweaver/Weaver/Job.cpp:135 #14 0x00007fd627bd573f in ThreadWeaver::ThreadRunHelper::run (this=0x7fd601a2aff0, parent=0x2f37090, th=0x2bf4970) at /var/tmp/paludis/kde-base-kdelibs-9999/work/kdelibs-9999/threadweaver/Weaver/Thread.cpp:95 #15 0x00007fd627bd5894 in ThreadWeaver::Thread::run (this=0x2bf4970) at /var/tmp/paludis/kde-base-kdelibs-9999/work/kdelibs-9999/threadweaver/Weaver/Thread.cpp:142 #16 0x00007fd62c9a84c3 in QThreadPrivate::start (arg=<value optimized out>) at thread/qthread_unix.cpp:188 #17 0x00007fd62b34a414 in start_thread () from /lib/libpthread.so.0 #18 0x00007fd62b879abd in clone () from /lib/libc.so.6 #19 0x0000000000000000 in ?? () 841894 3 kretschmann 2009-10-08 12:47:17 +0000 I cannot reproduce this crash with Amarok from git master. 841902 4 mikko.cal 2009-10-08 13:09:45 +0000 can't reproduce it anymore either, Simon do you have a way to reproduce it? 841937 5 kretschmann 2009-10-08 14:20:29 +0000 I was just able to reproduce the crash, by moving the root item only a few pixels. Debug and backtrace: amarok: BEGIN: PopupDropper* PopupDropperFactory::createPopupDropper(QWidget*) amarok: END__: PopupDropper* PopupDropperFactory::createPopupDropper(QWidget*) - Took 0.00095s amarok: Initialized thread, count== 4 amarok: After the drag! amarok: clearing PUD amarok: END__: virtual void CollectionTreeView::startDrag(Qt::DropActions) - Took 0.2s KCrash: Application 'amarok' crashing... Thread 6 (Thread 0x7f810d5ed910 (LWP 19504)): [KCrash Handler] #5 0x00007f8115f45f9e in SqlQueryMaker::handleTracks (this=0x4ef3bd0, result=...) at /home/mark/kde/src/amarok/src/collection/sqlcollection/SqlQueryMaker.cpp:1043 #6 0x00007f8115f443c8 in SqlQueryMaker::handleResult (this=0x4ef3bd0, result=...) at /home/mark/kde/src/amarok/src/collection/sqlcollection/SqlQueryMaker.cpp:736 #7 0x00007f8115f47b96 in SqlWorkerThread::run (this=0x4c97c10) at /home/mark/kde/src/amarok/src/collection/sqlcollection/SqlQueryMaker.cpp:56 #8 0x00007f8137ac375d in ?? () from /usr/lib/libthreadweaver.so.4 #9 0x00007f8137ac3a5e in ThreadWeaver::Job::execute(ThreadWeaver::Thread*) () from /usr/lib/libthreadweaver.so.4 #10 0x00007f8137ac2a2f in ?? () from /usr/lib/libthreadweaver.so.4 #11 0x00007f8137ac2eb8 in ThreadWeaver::Thread::run() () from /usr/lib/libthreadweaver.so.4 #12 0x00007f813ab5c445 in ?? () from /usr/lib/libQtCore.so.4 #13 0x00007f813530fa04 in start_thread (arg=<value optimized out>) at pthread_create.c:300 #14 0x00007f813a0c37bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112 #15 0x0000000000000000 in ?? () 842136 6 maximilian.kossick 2009-10-08 22:07:01 +0000 I'm not able to reproduce this issue at all. Mark, the backtrace is quite useless as it points to a macro in SqlQueryMaker. Can you replace the macro with actual code and get a proper backtrace? 842618 7 kretschmann 2009-10-09 20:44:07 +0000 Max has just committed a possible fix for this problem. Please test. commit bb2ddbf56acd7623f49154f456c158546bf246e3 Author: Maximilian Kossick <maximilian.kossick@googlemail.com> Date: Fri Oct 9 18:43:40 2009 +0200 attempt at fixing crashes in CollectionTreeItem (not reproducable by me unfortunately) by removing a potential race condition 842647 8 maximilian.kossick 2009-10-09 22:39:54 +0000 that would be unexpectd to say the least. The backtrace shows a crash in sqlquerymaker, not in collectiontreeitem 860252 9 myriam 2009-11-11 21:53:36 +0000 *** Bug 214159 has been marked as a duplicate of this bug. *** 860254 10 myriam 2009-11-11 21:54:05 +0000 *** Bug 209918 has been marked as a duplicate of this bug. *** 863255 11 myriam 2009-11-16 23:09:42 +0000 Any news on this? 865833 12 myriam 2009-11-21 09:29:17 +0000 OK, closing for now as nobody can reproduce this with current Amarok 2.2-git. Make sure you have a patched GLIB version, see also here: http://www.purinchu.net/wp/2009/11/16/malloc_check_-crashes/