, argc=argc@entry=1, argv=argv@entry=0x7ffc277974a8) at ../sysdeps/nptl/libc_start_call_main.h:74 result = unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140720970757288, -295248038620372420, 0, 140720970757304, 94653725010728, 139868786413568, 297061154359140924, 399812638389625404}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x7ffc277974a8, 0x1}, data = {prev = 0x0, cleanup = 0x0, canceltype = 662271144}}} not_first_call = #4 0x00007f35bd00684a in __libc_start_main_impl (main=0x561649a7b110

, argc=1, argv=0x7ffc277974a8, init=, fini=, rtld_fini=, stack_end=0x7ffc27797498) at ../csu/libc-start.c:360 #5 0x0000561649a7b5f5 in _start () Thread 1 (Thread 0x7f35b88ec6c0 (LWP 943)): #0 std::operator<< , std::allocator >(std::basic_ostream >&, std::__cxx11::basic_string, std::allocator > const&) (__str=, __os=..., __os=, __str=) at /usr/include/c++/12.2.1/bits/basic_string.h:233 factory = 0x56132b10688e __for_range = o = 0x56164a753980 factories = #1 libcamera::CameraManager::Private::createPipelineHandlers() (this=0x56164a7da910) at ../libcamera/src/libcamera/camera_manager.cpp:153 factory = 0x56132b10688e __for_range = o = 0x56164a753980 factories = #2 0x00007f35b976ae7c in libcamera::Signal<>::emit() (this=) at ../libcamera/include/libcamera/base/signal.h:153 slot = __for_range = Python Exception : 'NoneType' object has no attribute 'pointer' @0x7f35b88ead90: std::__cxx11::list #3 libcamera::DeviceEnumerator::addDevice(std::unique_ptr >) (this=, media=std::unique_ptr = {...}) at ../libcamera/src/libcamera/device_enumerator.cpp:258 #4 0x00007f35b97c4ada in libcamera::DeviceEnumeratorUdev::addV4L2Device(unsigned long) (this=this@entry=0x7f35a8000e10, devnum=) at ../libcamera/src/libcamera/device_enumerator_udev.cpp:323 it = Python Exception : value has been optimized out deviceNode = "/dev/video1" deps = 0x7f35a8001530 #5 0x00007f35b97c4e58 in libcamera::DeviceEnumeratorUdev::addUdevDevice(udev_device*) (this=this@entry=0x7f35a8000e10, dev=dev@entry=0x7f35a8002cc0) at ../libcamera/src/libcamera/device_enumerator_udev.cpp:113 subsystem = 0x7f358600e780 "video4linux" #6 0x00007f35b97c5cb1 in libcamera::DeviceEnumeratorUdev::udevNotify() (this=0x7f35a8000e10) at ../libcamera/src/libcamera/device_enumerator_udev.cpp:340 dev = 0x7f35a8002cc0 action = "add" deviceNode = "/dev/video1" #7 0x00007f35b96e57cf in libcamera::Signal<>::emit() (this=) at ../libcamera/include/libcamera/base/signal.h:153 slot = 0x7f35a80011d0 __for_range = Python Exception : 'NoneType' object has no attribute 'pointer' @0x7f35b88eb7e0: std::__cxx11::list notifier = event = @0x7f35b96eb560: {type = libcamera::EventNotifier::Read, events = 1} __for_begin = 0x7f35b96eb560 > const&)::events> iter = Python Exception : value has been optimized out pfd = @0x7f35a800df90: {fd = 35, events = 1, revents = 1} __for_range = Python Exception : Cannot access memory at address 0x6e6f637400000001 #8 libcamera::EventDispatcherPoll::processNotifiers(std::vector > const&) (this=this@entry=0x7f35a80012f0, pollfds=std::vector of length 1, capacity 2 = {...}) at ../libcamera/src/libcamera/base/event_dispatcher_poll.cpp:281 notifier = event = @0x7f35b96eb560: {type = libcamera::EventNotifier::Read, events = 1} __for_begin = 0x7f35b96eb560 > const&)::events> iter = Python Exception : value has been optimized out pfd = @0x7f35a800df90: {fd = 35, events = 1, revents = 1} __for_range = std::vector of length 1, capacity 2 = {{fd = 35, events = 1, revents = 1}} events = {{type = libcamera::EventNotifier::Read, events = 1}, {type = libcamera::EventNotifier::Write, events = 4}, {type = libcamera::EventNotifier::Exception, events = 2}} #9 0x00007f35b96e5dbc in libcamera::EventDispatcherPoll::processEvents() (this=0x7f35a80012f0) at ../libcamera/src/libcamera/base/event_dispatcher_poll.cpp:169 ret = pollfds = std::vector of length 1, capacity 2 = {{fd = 35, events = 1, revents = 1}} #10 0x00007f35b96e39ff in libcamera::Thread::exec() (this=this@entry=0x56164a7da920) at ../libcamera/src/libcamera/base/thread.cpp:341 locker = {lock_ = {_M_device = 0x56164a79ded0, _M_owns = false}} dispatcher = 0x7f35a80012f0 #11 0x00007f35b975a334 in libcamera::CameraManager::Private::run() (this=0x56164a7da910) at ../libcamera/src/libcamera/camera_manager.cpp:122 ret = 0 #12 0x00007f35b94d72c3 in std::execute_native_thread_routine(void*) (__p=0x56164a7e5e30) at /usr/src/debug/gcc/gcc/libstdc++-v3/src/c++11/thread.cc:82 #13 0x00007f35bd068bb5 in start_thread (arg=) at pthread_create.c:444 ret = pd = unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139868781316336, -295248038620503492, -120, 61, 140720970754992, 139868697968640, 399800451096437308, 399812613728690748}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}} not_first_call = #14 0x00007f35bd0eacb4 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:100