Comment 3 for bug 986179

Application: amarok (2.5.0)
KDE Platform Version: 4.8.2 (4.8.2)
Qt Version: 4.8.1
Operating System: Linux 3.2.0-23-generic x86_64
Distribution: Ubuntu 12.04 LTS

-- Information about the crash:
- What I was doing when the application crashed:
Reinstall Linux, saving old /home partition
- Custom settings of the application:
Amarok was configured to use external MySQL db

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 0x7f2842abf7c0 (LWP 6114))]

Thread 3 (Thread 0x7f281f397700 (LWP 6209)):
#0 0x00007f283f3aeb03 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1 0x00007f283781135f in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#2 0x00007f283780276c in pa_mainloop_poll () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#3 0x00007f2837802dd9 in pa_mainloop_iterate () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#4 0x00007f2837802e90 in pa_mainloop_run () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#5 0x00007f283781130f in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#6 0x00007f2832c56d18 in ?? () from /usr/lib/x86_64-linux-gnu/libpulsecommon-1.1.so
#7 0x00007f28310cfb74 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#8 0x00007f283bad1e9a in start_thread (arg=0x7f281f397700) at pthread_create.c:308
#9 0x00007f283f3ba4bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f28120cb700 (LWP 6487)):
[KCrash Handler]
#6 0x00007f281331463b in DirWatchJob::run (this=0x2323cf0) at ../../../../../../src/core-impl/collections/db/ScanManager.cpp:372
#7 0x00007f283d06705b in ThreadWeaver::JobRunHelper::runTheJob (this=0x7f28120caca0, th=0x24db5a0, job=0x2323cf0) at ../../../threadweaver/Weaver/Job.cpp:106
#8 0x00007f283d0671cc in ThreadWeaver::Job::execute (this=0x2323cf0, th=0x24db5a0) at ../../../threadweaver/Weaver/Job.cpp:135
#9 0x00007f283d06681f in ThreadWeaver::ThreadRunHelper::run (this=0x7f28120cad20, parent=0x24cf6d0, th=0x24db5a0) at ../../../threadweaver/Weaver/Thread.cpp:95
#10 0x00007f283d0668db in ThreadWeaver::Thread::run (this=0x24db5a0) at ../../../threadweaver/Weaver/Thread.cpp:142
#11 0x00007f283fc16fcb in QThreadPrivate::start (arg=0x24db5a0) at thread/qthread_unix.cpp:298
#12 0x00007f28310cfb74 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#13 0x00007f283bad1e9a in start_thread (arg=0x7f28120cb700) at pthread_create.c:308
#14 0x00007f283f3ba4bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#15 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f2842abf7c0 (LWP 6114)):
#0 0x00007f283f3ad0bd in read () at ../sysdeps/unix/syscall-template.S:82
#1 0x00007f28310ce0bc in ?? () from /usr/lib/nvidia-current/libGL.so.1
#2 0x00007f28300f6b27 in ?? () from /usr/lib/nvidia-current/tls/libnvidia-tls.so.295.40
#3 0x00007f2839fee88f in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4 0x00007f2839fb3abd in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5 0x00007f2839fb3f96 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6 0x00007f2839fb4124 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7 0x00007f283fd453bf in QEventDispatcherGlib::processEvents (this=0x1ab5ad0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#8 0x00007f28407b2d6e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#9 0x00007f283fd14c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#10 0x00007f283fd14ed7 in QEventLoop::exec (this=0x7fff1bbb5930, flags=...) at kernel/qeventloop.cpp:204
#11 0x00007f2840bda946 in QDialog::exec (this=0x2319bd0) at dialogs/qdialog.cpp:554
#12 0x00007f284241468a in KMessageBox::createKMessageBox (dialog=<optimized out>, icon=..., text=..., strlist=..., ask=..., checkboxReturn=0x0, options=..., details=..., notifyType=QMessageBox::Critical) at ../../kdeui/dialogs/kmessagebox.cpp:344
#13 0x00007f2842414e64 in KMessageBox::createKMessageBox (dialog=0x2319bd0, icon=QMessageBox::Critical, text=..., strlist=..., ask=..., checkboxReturn=0x0, options=..., details=...) at ../../kdeui/dialogs/kmessagebox.cpp:159
#14 0x00007f2842415b5b in KMessageBox::errorListWId (parent_id=0, text=..., strlist=..., caption=..., options=...) at ../../kdeui/dialogs/kmessagebox.cpp:854
#15 0x00007f2842415d7b in KMessageBox::error (parent=<optimized out>, text=..., caption=..., options=...) at ../../kdeui/dialogs/kmessagebox.cpp:821
#16 0x00007f281331a74a in Collections::SqlCollection::SqlCollection (this=<optimized out>, id=..., prettyName=..., storage=0x1dda380) at ../../../../../../src/core-impl/collections/db/sql/SqlCollection.cpp:176
#17 0x00007f281331c42f in Collections::SqlCollectionFactory::createSqlCollection (this=<optimized out>, id=..., prettyName=..., storage=0x1dda380) at ../../../../../../src/core-impl/collections/db/sql/SqlCollectionFactory.cpp:31
#18 0x00007f281357c46b in Collections::MySqlServerCollectionFactory::init (this=0x2308250) at ../../../../../../../src/core-impl/collections/db/sql/mysqlservercollection/MySqlServerCollection.cpp:41
#19 0x00007f284195c5e9 in CollectionManager::loadPlugins (this=0x1ad3590, factories=...) at ../../src/core-impl/collections/support/CollectionManager.cpp:207
#20 0x00007f284195fb84 in CollectionManager::init (this=0x1ad3590, factories=...) at ../../src/core-impl/collections/support/CollectionManager.cpp:175
#21 0x00007f2841ad5b4a in Plugins::PluginManager::init (this=0x22d3a80) at ../../src/PluginManager.cpp:82
#22 0x00007f2841ad6d69 in Plugins::PluginManager::PluginManager (this=0x22d3a80, parent=<optimized out>) at ../../src/PluginManager.cpp:64
#23 0x00007f2841ad6f37 in Plugins::PluginManager::instance () at ../../src/PluginManager.cpp:43
#24 0x00007f2841ab8b7d in pluginManager () at ../../src/PluginManager.h:76
#25 MainWindow::MainWindow (this=0x22b5d10) at ../../src/MainWindow.cpp:139
#26 0x00007f2841a90e6f in App::continueInit (this=0x7fff1bbb6da0) at ../../src/App.cpp:545
#27 0x00007f2841a9255c in App::App (this=0x7fff1bbb6da0) at ../../src/App.cpp:185
#28 0x0000000000408e45 in main (argc=3, argv=0x7fff1bbb9228) at ../../src/main.cpp:301

Possible duplicates by query: bug 295607, bug 294699, bug 289891, bug 281312.

Reported using DrKonqi