Found another way which seems to work: 1. I insert the USB bluetooth adapter. 2. kbluetooth4 is started. 3. I attach gdb to it and continue the running inside gdb. 4. I detach the adapter and kbluetooth4 crashes. 5. I abacktrace in gdb and get the following result: #0 0x095b75c6 in ?? () #1 0xb74f7c43 in ?? () from /usr/lib/libQtDBus.so.4 #2 0xb74f8501 in ?? () from /usr/lib/libQtDBus.so.4 #3 0xb74f89fa in ?? () from /usr/lib/libQtDBus.so.4 #4 0xb73ee3a0 in QObject::event () from /usr/lib/libQtCore.so.4 #5 0xb73dd3db in QCoreApplication::event () from /usr/lib/libQtCore.so.4 #6 0xb69e9379 in QApplication::event () from /usr/lib/libQtGui.so.4 #7 0xb69e5e9c in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4 #8 0xb69ee19e in QApplication::notify () from /usr/lib/libQtGui.so.4 #9 0xb7c0494d in KApplication::notify () from /usr/lib/libkdeui.so.5 #10 0xb73dda3b in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4 #11 0xb73de695 in QCoreApplicationPrivate::sendPostedEvents () from /usr/lib/libQtCore.so.4 #12 0xb73de88d in QCoreApplication::sendPostedEvents () from /usr/lib/libQtCore.so.4 #13 0xb74097ef in ?? () from /usr/lib/libQtCore.so.4 #14 0xb6310b88 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0 #15 0xb63140eb in ?? () from /usr/lib/libglib-2.0.so.0 #16 0xb6314268 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0 #17 0xb7409438 in QEventDispatcherGlib::processEvents () from /usr/lib/libQtCore.so.4 #18 0xb6a87365 in ?? () from /usr/lib/libQtGui.so.4 #19 0xb73dc06a in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4 #20 0xb73dc4aa in QEventLoop::exec () from /usr/lib/libQtCore.so.4 #21 0xb74fb99c in ?? () from /usr/lib/libQtDBus.so.4 #22 0xb74e5551 in QDBusConnection::call () from /usr/lib/libQtDBus.so.4 #23 0xb7503f3b in QDBusAbstractInterface::callWithArgumentList () from /usr/lib/libQtDBus.so.4 #24 0xb7507e8d in QDBusAbstractInterface::call () from /usr/lib/libQtDBus.so.4 #25 0x08066ce3 in ObexServer::stop (this=0x969f7a8) at /build/buildd/kdebluetooth-0.3/src/obexserver/obexserver.cpp:100 #26 0x080556f8 in KBlueTray::offlineMode (this=0xbfa5a9f4) at /build/buildd/kdebluetooth-0.3/src/trayicon.cpp:239 #27 0x08058e61 in KBlueTray::adapterRemoved (this=0xbfa5a9f4, u...@0xbfa5a130) at /build/buildd/kdebluetooth-0.3/src/trayicon.cpp:294 #28 0x080515d0 in KBlueTray::qt_metacall (this=0xbfa5a9f4, _c=QMetaObject::InvokeMetaMethod, _id=10, _a=0xbfa59fbc) at /build/buildd/kdebluetooth-0.3/obj-i486-linux-gnu/src/moc_trayicon.cpp:142 #29 0xb73f3ca8 in QMetaObject::activate () from /usr/lib/libQtCore.so.4 #30 0xb73f4932 in QMetaObject::activate () from /usr/lib/libQtCore.so.4 #31 0xb7944ff3 in Solid::Control::BluetoothManager::interfaceRemoved () from /usr/lib/libsolidcontrol.so.4 #32 0xb7945302 in ?? () from /usr/lib/libsolidcontrol.so.4 #33 0xb7946c15 in Solid::Control::BluetoothManager::qt_metacall () from /usr/lib/libsolidcontrol.so.4 #34 0xb73f3ca8 in QMetaObject::activate () from /usr/lib/libQtCore.so.4 #35 0xb73f4932 in QMetaObject::activate () from /usr/lib/libQtCore.so.4 #36 0xb63ee1c3 in Solid::Control::Ifaces::BluetoothManager::interfaceRemoved () from /usr/lib/libsolidcontrolifaces.so.4 #37 0xb486e86b in BluezBluetoothManager::slotDeviceRemoved () from /usr/lib/kde4/solid_bluez.so #38 0xb486f115 in BluezBluetoothManager::qt_metacall () from /usr/lib/kde4/solid_bluez.so #39 0xb74f6d7a in ?? () from /usr/lib/libQtDBus.so.4 #40 0xb74ff187 in ?? () from /usr/lib/libQtDBus.so.4 #41 0xb73ee3a0 in QObject::event () from /usr/lib/libQtCore.so.4 #42 0xb69e5e9c in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4 #43 0xb69ee19e in QApplication::notify () from /usr/lib/libQtGui.so.4 #44 0xb7c0494d in KApplication::notify () from /usr/lib/libkdeui.so.5 #45 0xb73dda3b in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4 #46 0xb73de695 in QCoreApplicationPrivate::sendPostedEvents () from /usr/lib/libQtCore.so.4 #47 0xb73de88d in QCoreApplication::sendPostedEvents () from /usr/lib/libQtCore.so.4 #48 0xb74097ef in ?? () from /usr/lib/libQtCore.so.4 #49 0xb6310b88 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0 #50 0xb63140eb in ?? () from /usr/lib/libglib-2.0.so.0 #51 0xb6314268 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0 #52 0xb7409438 in QEventDispatcherGlib::processEvents () from /usr/lib/libQtCore.so.4 #53 0xb6a87365 in ?? () from /usr/lib/libQtGui.so.4 #54 0xb73dc06a in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4 #55 0xb73dc4aa in QEventLoop::exec () from /usr/lib/libQtCore.so.4 #56 0xb73de959 in QCoreApplication::exec () from /usr/lib/libQtCore.so.4 #57 0xb69e5d17 in QApplication::exec () from /usr/lib/libQtGui.so.4 #58 0x08051a5e in main (argc=1, argv=0xbfa5ab94) at /build/buildd/kdebluetooth-0.3/src/main.cpp:77
Please tell me if there are other dbgsym packages I should install to get more information about the crash in QtDBus. -- removing bluetooth USB adapter crashes kbluetooth4 https://bugs.launchpad.net/bugs/364713 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs