diff --git a/src/qt/bitcoin.cpp b/src/qt/bitcoin.cpp index 0f06bbaaa6a..85d79ee26c3 100644 --- a/src/qt/bitcoin.cpp +++ b/src/qt/bitcoin.cpp @@ -309,14 +309,20 @@ void BitcoinApplication::requestShutdown() qDebug() << __func__ << ": Requesting shutdown"; startThread(); window->hide(); + // Must disconnect node signals otherwise current thread can deadlock since + // no event loop is running. + window->unsubscribeFromCoreSignals(); + // Request node shutdown, which can interrupt long operations, like + // rescanning a wallet. + m_node.startShutdown(); + // Unsetting the client model can cause the current thread to wait for node + // to complete an operation, like wait for a RPC execution to complate. window->setClientModel(nullptr); pollShutdownTimer->stop(); delete clientModel; clientModel = nullptr; - m_node.startShutdown(); - // Request shutdown from core thread Q_EMIT requestedShutdown(); }