when it happens:
(gdb) bt
#0 0xb6406fe4 in __libc_do_syscall () from /lib/arm-linux-gnueabihf/libpthread.so.0
#1 0xb6402d72 in pthread_cond_wait@@GLIBC_2.4 () from /lib/arm-linux-gnueabihf/libpthread.so.0
#2 0xb68494ba in pthread_cond_wait () from /lib/arm-linux-gnueabihf/libc.so.6
#3 0xb69c8d14 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/arm-linux-gnueabihf/libQt5Core.so.5
#4 0xb6652fbe in ?? () from /usr/lib/arm-linux-gnueabihf/libQt5Quick.so.5
#5 0xb6652fbe in ?? () from /usr/lib/arm-linux-gnueabihf/libQt5Quick.so.5
Backtrace stopped: previous frame identical to this frame (corrupt stack?)
when it happens: linux-gnueabihf /libpthread. so.0 cond_wait@ @GLIBC_ 2.4 () from /lib/arm- linux-gnueabihf /libpthread. so.0 linux-gnueabihf /libc.so. 6 :wait(QMutex* , unsigned long) () from /usr/lib/ arm-linux- gnueabihf/ libQt5Core. so.5 arm-linux- gnueabihf/ libQt5Quick. so.5 arm-linux- gnueabihf/ libQt5Quick. so.5
(gdb) bt
#0 0xb6406fe4 in __libc_do_syscall () from /lib/arm-
#1 0xb6402d72 in pthread_
#2 0xb68494ba in pthread_cond_wait () from /lib/arm-
#3 0xb69c8d14 in QWaitCondition:
#4 0xb6652fbe in ?? () from /usr/lib/
#5 0xb6652fbe in ?? () from /usr/lib/
Backtrace stopped: previous frame identical to this frame (corrupt stack?)