# gdb ./webenginetest GNU gdb (GDB) 7.5.1 Copyright (C) 2012 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "arm-buildroot-linux-gnueabihf". For bug reporting instructions, please see: ... Reading symbols from /opt/webenginetest...done. (gdb) run Starting program: /opt/webenginetest [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/libthread_db.so.1". [New Thread 0xb2348450 (LWP 8191)] [New Thread 0xb19ff450 (LWP 8192)] [New Thread 0xb11ff450 (LWP 8193)] [New Thread 0xb09ff450 (LWP 8194)] Unable to query physical screen size, defaulting to 100 dpi. To override, set QT_QPA_EGLFS_PHYSICAL_WIDTH and QT_QPA_EGLFS_PHYSICAL_HEIGHT (in millimeters). [New Thread 0xb01ff450 (LWP 8195)] [New Thread 0xaf7ff450 (LWP 8196)] [New Thread 0xae29e450 (LWP 8197)] [New Thread 0xad8ff450 (LWP 8199)] [New Thread 0xaceff450 (LWP 8200)] [New Thread 0xada9e450 (LWP 8201)] [New Thread 0xada7e450 (LWP 8202)] [New Thread 0xac4ff450 (LWP 8203)] [New Thread 0xabcff450 (LWP 8204)] [New Thread 0xab4ff450 (LWP 8205)] [New Thread 0xaacff450 (LWP 8206)] [New Thread 0xaa4ff450 (LWP 8207)] [New Thread 0xa9cff450 (LWP 8208)] [New Thread 0xa94ff450 (LWP 8209)] [New Thread 0xa8cff450 (LWP 8210)] [New Thread 0xa84ff450 (LWP 8211)] [New Thread 0xa7cff450 (LWP 8212)] [New Thread 0xa74ff450 (LWP 8213)] [New Thread 0xa6cff450 (LWP 8214)] [New Thread 0xa64ff450 (LWP 8217)] qml: starting qml: timer interrupt qml: trigger image with /tmp/coffee.jpg qml: timer interrupt qml: trigger web with http://home.fonline.de/fo0240/qtwebengine1/ [New Thread 0xa509c450 (LWP 8226)] qml: timer interrupt qml: trigger image with /tmp/coffee.jpg qml: timer interrupt qml: trigger web with http://home.fonline.de/fo0240/qtwebengine1/ [New Thread 0xa5cff450 (LWP 8243)] qml: timer interrupt qml: trigger image with /tmp/coffee.jpg qml: timer interrupt qml: trigger web with http://home.fonline.de/fo0240/qtwebengine1/ qml: timer interrupt qml: trigger image with /tmp/coffee.jpg qml: timer interrupt qml: trigger web with http://home.fonline.de/fo0240/qtwebengine1/ Program received signal SIGPIPE, Broken pipe. [Switching to Thread 0xa94ff450 (LWP 8209)] 0xb5f40864 in sendmsg () from /lib/libpthread.so.0 (gdb) bt #0 0xb5f40864 in sendmsg () from /lib/libpthread.so.0 #1 0xb5592b4e in IPC::ChannelPosix::ProcessOutgoingMessages() () from /usr/lib/libQt5WebEngineCore.so.5 #2 0xb5594214 in IPC::ChannelPosix::Send(IPC::Message*) () from /usr/lib/libQt5WebEngineCore.so.5 #3 0xb4d67998 in content::BrowserMessageFilter::Send(IPC::Message*) () from /usr/lib/libQt5WebEngineCore.so.5 #4 0xb4e8af2c in content::RenderMessageFilter::OnMessageReceived(IPC::Message const&) () from /usr/lib/libQt5WebEngineCore.so.5 #5 0xb4d67e12 in content::BrowserMessageFilter::Internal::OnMessageReceived(IPC::Message const&) () from /usr/lib/libQt5WebEngineCore.so.5 #6 0xb559973c in IPC::(anonymous namespace)::TryFiltersImpl(std::vector >&, IPC::Message const&) () from /usr/lib/libQt5WebEngineCore.so.5 #7 0xb5594e6c in IPC::ChannelProxy::Context::TryFilters(IPC::Message const&) () from /usr/lib/libQt5WebEngineCore.so.5 #8 0xb5594f46 in IPC::ChannelProxy::Context::OnMessageReceived(IPC::Message const&) () from /usr/lib/libQt5WebEngineCore.so.5 #9 0xb5595816 in IPC::internal::ChannelReader::DispatchInputData(char const*, int) () from /usr/lib/libQt5WebEngineCore.so.5 #10 0xb5595a96 in IPC::internal::ChannelReader::ProcessIncomingMessages() () from /usr/lib/libQt5WebEngineCore.so.5 #11 0xb5594122 in IPC::ChannelPosix::OnFileCanReadWithoutBlocking(int) () from /usr/lib/libQt5WebEngineCore.so.5 #12 0xb554a628 in base::MessagePumpLibevent::FileDescriptorWatcher::OnFileCanReadWithoutBlocking(int, base::MessagePumpLibevent*) () from /usr/lib/libQt5WebEngineCore.so.5 #13 0xb554a6f8 in base::MessagePumpLibevent::OnLibeventNotification(int, short, void*) () from /usr/lib/libQt5WebEngineCore.so.5 #14 0xb4f9ff16 in event_base_loop () from /usr/lib/libQt5WebEngineCore.so.5 #15 0xb5549f56 in base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) () from /usr/lib/libQt5WebEngineCore.so.5 #16 0xb5570b9a in base::MessageLoop::RunHandler() () from /usr/lib/libQt5WebEngineCore.so.5 #17 0xb558002a in base::RunLoop::Run() () from /usr/lib/libQt5WebEngineCore.so.5 #18 0xb55708ec in base::MessageLoop::Run() () from /usr/lib/libQt5WebEngineCore.so.5 #19 0xb4d803fc in content::BrowserThreadImpl::IOThreadRun(base::MessageLoop*) () from /usr/lib/libQt5WebEngineCore.so.5 #20 0xb4d804dc in content::BrowserThreadImpl::Run(base::MessageLoop*) () from /usr/lib/libQt5WebEngineCore.so.5 #21 0xb558ae92 in base::Thread::ThreadMain() () from /usr/lib/libQt5WebEngineCore.so.5 #22 0xb55885dc in base::(anonymous namespace)::ThreadFunc(void*) () from /usr/lib/libQt5WebEngineCore.so.5 #23 0xb5f37fe0 in start_thread () from /lib/libpthread.so.0 #24 0xb5d8c930 in ?? () from /lib/libc.so.6 Cannot access memory at address 0xdf2898