Comment 4 for bug 1019542

Same issue here with OSX 10.6.8 and Mixxx 1.11beta1.
Just got a new graphic tablet cause my old one died, and if it is connected Mixxx crashes on startup.
.....
Debug [Main]: Displaying mixxx
Debug [Controller]: ControllerManager: Setting up devices
Debug [Controller]: Scanning PortMIDI devices:
Debug [Controller]: Scanning HSS1394 devices:
Reading symbols for shared libraries + done
Debug [Controller]: Nodes detected: 0
Debug [Controller]: Scanning HID devices:
Reading symbols for shared libraries + done

Program received signal EXC_BAD_ACCESS, Could not access memory.
Reason: KERN_INVALID_ADDRESS at address: 0x0000000000000010
[Switching to process 64868 thread 0x8703]
0x00007fff81f0202a in IOHIDManagerCopyDevices ()
Crashed Thread: 9

Thread 9 Crashed:
0 com.apple.framework.IOKit 0x982d85d5 IOHIDManagerCopyDevices + 16
1 org.mixxx.mixxx 0x00455eb3 hid_enumerate + 83
2 org.mixxx.mixxx 0x0015d1cc ControllerManager::slotSetUpDevices() + 252
3 org.mixxx.mixxx 0x004e865a ControllerManager::qt_metacall(QMetaObject::Call, int, void**) + 762
4 QtCore 0x00bdb12a QMetaCallEvent::placeMetaCall(QObject*) + 42
5 QtCore 0x00bdbbda QObject::event(QEvent*) + 1018
6 QtGui 0x00ee70bc QApplicationPrivate::notify_helper(QObject*, QEvent*) + 188
7 QtGui 0x00eed6f9 QApplication::notify(QObject*, QEvent*) + 2041
8 QtCore 0x00ade36c QCoreApplication::notifyInternal(QObject*, QEvent*) + 108
9 QtCore 0x00bcf2fe QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) + 734
10 QtCore 0x00bf515f QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) + 63
11 QtCore 0x00bcdbd1 QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) + 65
12 QtCore 0x00bcdf1a QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) + 170
13 QtCore 0x00b1176d QThread::exec() + 157
14 QtCore 0x00b126b6 QThreadPrivate::start(void*) + 150
15 libSystem.B.dylib 0x90182259 _pthread_start + 345
16 libSystem.B.dylib 0x901820de thread_start + 34