Occational crashes in NetworkDeviceDiscovery

[mzanetti]

I don't see this often, but it happens. Seems something is still going on:

(gdb) bt
#0  0xb6c1dc50 in QHash<MacAddress, NetworkDeviceInfo>::findNode(MacAddress const&, unsigned int*) const ()
   from /usr/lib/arm-linux-gnueabihf/libnymea-core.so.1
#1  0xb6c204d0 in nymeaserver::NetworkDeviceDiscoveryReplyImpl::processMacManufacturer(MacAddress const&, QString const&) ()
   from /usr/lib/arm-linux-gnueabihf/libnymea-core.so.1
#2  0xb6c121a4 in ?? () from /usr/lib/arm-linux-gnueabihf/libnymea-core.so.1
#3  0xb65d2044 in ?? () from /usr/lib/arm-linux-gnueabihf/libQt5Core.so.5
#4  0xb6c0f4e4 in nymeaserver::MacAddressDatabase::onLookupFinished() () from /usr/lib/arm-linux-gnueabihf/libnymea-core.so.1
#5  0xb65d2044 in ?? () from /usr/lib/arm-linux-gnueabihf/libQt5Core.so.5
#6  0xb63a31e8 in QFutureWatcherBase::event(QEvent*) () from /usr/lib/arm-linux-gnueabihf/libQt5Core.so.5
#7  0xb6592c2c in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/arm-linux-gnueabihf/libQt5Core.so.5
#8  0xb65960f0 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/arm-linux-gnueabihf/libQt5Core.so.5
#9  0xb65fa554 in ?? () from /usr/lib/arm-linux-gnueabihf/libQt5Core.so.5
#10 0xb42a972c in g_main_context_dispatch () from /usr/lib/arm-linux-gnueabihf/libglib-2.0.so.0
#11 0x00000000 in ?? ()