Thread 21 (Thread 0xad2ff450 (LWP 12217)):
#0  0xb626ed44 in __libc_do_syscall () from /lib/arm-linux-gnueabihf/libpthread.so.0
#1  0xb626a7b8 in pthread_cond_wait@@GLIBC_2.4 () from /lib/arm-linux-gnueabihf/libpthread.so.0
#2  0xafc164f6 in pa_threaded_mainloop_wait () from /usr/lib/arm-linux-gnueabihf/libpulse.so.0
#3  0xadc6b480 in pa_simple_new () from /usr/lib/arm-linux-gnueabihf/libpulse-simple.so.0
#4  0xadce64b6 in AudioCapture::setupMicrophoneStream() () from /usr/lib/arm-linux-gnueabihf/qt5/plugins/mediaservice/libaalcamera.so
#5  0xadce6be4 in AudioCapture::run() () from /usr/lib/arm-linux-gnueabihf/qt5/plugins/mediaservice/libaalcamera.so
#6  0xb6dfa764 in QObject::event(QEvent*) () from /usr/lib/arm-linux-gnueabihf/libQt5Core.so.5
#7  0xb6dd99c2 in QCoreApplication::notify(QObject*, QEvent*) () from /usr/lib/arm-linux-gnueabihf/libQt5Core.so.5
#8  0xb6dd9a88 in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/arm-linux-gnueabihf/libQt5Core.so.5
#9  0xb6ddb294 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/arm-linux-gnueabihf/libQt5Core.so.5
#10 0xb6e14660 in ?? () from /usr/lib/arm-linux-gnueabihf/libQt5Core.so.5
#11 0xb5f1af68 in g_main_context_dispatch () from /lib/arm-linux-gnueabihf/libglib-2.0.so.0
#12 0xb5f1b114 in ?? () from /lib/arm-linux-gnueabihf/libglib-2.0.so.0