Application: KStars (kstars), signal: Segmentation fault Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". [Current thread is 1 (Thread 0x7feb17b288c0 (LWP 2001))] Thread 9 (Thread 0x7feab5330700 (LWP 2213)): #0 0x00007feb11ba010f in QMutex::unlock() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #1 0x00007feb11dd506d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #2 0x00007feb0a997b28 in g_main_context_prepare () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007feb0a9984fb in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #4 0x00007feb0a9986dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007feb11dd515b in QEventDispatcherGlib::processEvents(QFlags) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007feb11d7664a in QEventLoop::exec(QFlags) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007feb11b9e41a in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007feb15c1d2e5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 #9 0x00007feb11b9fbc2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #10 0x00007feb10e706db in start_thread (arg=0x7feab5330700) at pthread_create.c:463 #11 0x00007feb0fc3688f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 8 (Thread 0x7feae0d91700 (LWP 2100)): #0 0x00007feb03cdb5d6 in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so #1 0x00007feb03cdc798 in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so #2 0x00007feb03cdcab9 in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so #3 0x00007feb03cdd33f in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so #4 0x00007feb08abf108 in pa_mainloop_dispatch () from /usr/lib/x86_64-linux-gnu/libpulse.so.0 #5 0x00007feb08abf4de in pa_mainloop_iterate () from /usr/lib/x86_64-linux-gnu/libpulse.so.0 #6 0x00007feb08abf560 in pa_mainloop_run () from /usr/lib/x86_64-linux-gnu/libpulse.so.0 #7 0x00007feb08acd3c9 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0 #8 0x00007feb03ced318 in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so #9 0x00007feb10e706db in start_thread (arg=0x7feae0d91700) at pthread_create.c:463 #10 0x00007feb0fc3688f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 7 (Thread 0x7feac9431700 (LWP 2064)): #0 0x00007feb11ba0112 in QMutex::unlock() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #1 0x00007feb11dd506d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #2 0x00007feb0a997b28 in g_main_context_prepare () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007feb0a9984fb in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #4 0x00007feb0a9986dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007feb11dd515b in QEventDispatcherGlib::processEvents(QFlags) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007feb11d7664a in QEventLoop::exec(QFlags) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007feb11b9e41a in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007feb15c1d2e5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 #9 0x00007feb11b9fbc2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #10 0x00007feb10e706db in start_thread (arg=0x7feac9431700) at pthread_create.c:463 #11 0x00007feb0fc3688f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 6 (Thread 0x7feacbc9e700 (LWP 2012)): #0 0x00007feb0a9de664 in g_mutex_unlock () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #1 0x00007feb0a997b18 in g_main_context_prepare () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007feb0a9984fb in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007feb0a9986dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #4 0x00007feb11dd515b in QEventDispatcherGlib::processEvents(QFlags) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007feb11d7664a in QEventLoop::exec(QFlags) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007feb11b9e41a in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007feb11b9fbc2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007feb10e706db in start_thread (arg=0x7feacbc9e700) at pthread_create.c:463 #9 0x00007feb0fc3688f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 5 (Thread 0x7feae2ffd700 (LWP 2009)): #0 0x00007feb10e7a384 in __libc_read (fd=14, buf=0x7feae2ffcad0, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27 #1 0x00007feb0a9dd2d0 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007feb0a9980b7 in g_main_context_check () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007feb0a998570 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #4 0x00007feb0a9986dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007feb11dd515b in QEventDispatcherGlib::processEvents(QFlags) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007feb11d7664a in QEventLoop::exec(QFlags) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007feb11b9e41a in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007feb11b9fbc2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #9 0x00007feb10e706db in start_thread (arg=0x7feae2ffd700) at pthread_create.c:463 #10 0x00007feb0fc3688f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 4 (Thread 0x7feae9869700 (LWP 2004)): #0 0x00007feb10e769f3 in futex_wait_cancelable (private=, expected=0, futex_word=0x55ab04dc4a28) at ../sysdeps/unix/sysv/linux/futex-internal.h:88 #1 __pthread_cond_wait_common (abstime=0x0, mutex=0x55ab04dc49d8, cond=0x55ab04dc4a00) at pthread_cond_wait.c:502 #2 __pthread_cond_wait (cond=0x55ab04dc4a00, mutex=0x55ab04dc49d8) at pthread_cond_wait.c:655 #3 0x00007feaeab2fdcb in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so #4 0x00007feaeab2faf7 in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so #5 0x00007feb10e706db in start_thread (arg=0x7feae9869700) at pthread_create.c:463 #6 0x00007feb0fc3688f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 3 (Thread 0x7feaf6276700 (LWP 2003)): #0 0x00007feb0fc29bf9 in __GI___poll (fds=0x7feaf0018fd0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007feb0a9985c9 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007feb0a9986dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007feb11dd515b in QEventDispatcherGlib::processEvents(QFlags) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007feb11d7664a in QEventLoop::exec(QFlags) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007feb11b9e41a in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007feb12243015 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5 #7 0x00007feb11b9fbc2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007feb10e706db in start_thread (arg=0x7feaf6276700) at pthread_create.c:463 #9 0x00007feb0fc3688f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 2 (Thread 0x7feafce69700 (LWP 2002)): #0 0x00007feb0fc29bf9 in __GI___poll (fds=0x7feafce68bf8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007feb09bb3747 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1 #2 0x00007feb09bb536a in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1 #3 0x00007feafe3e432a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5 #4 0x00007feb11b9fbc2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007feb10e706db in start_thread (arg=0x7feafce69700) at pthread_create.c:463 #6 0x00007feb0fc3688f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 1 (Thread 0x7feb17b288c0 (LWP 2001)): [KCrash Handler] #6 0x000055ab03524f70 in Ekos::Capture::processPreCaptureCalibrationStage (this=0x55ab09dc2210) at ./kstars/ekos/capture/capture.cpp:5662 #7 0x000055ab035250ad in Ekos::Capture::updatePreCaptureCalibrationStatus (this=0x55ab09dc2210) at ./kstars/ekos/capture/capture.cpp:3056 #8 0x00007feb11db4d04 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #9 0x00007feb11da894b in QObject::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #10 0x00007feb1327f8ac in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #11 0x00007feb13286e40 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #12 0x00007feb11d78328 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #13 0x00007feb11dd45a9 in QTimerInfoList::activateTimers() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #14 0x00007feb11dd4da9 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #15 0x00007feb0a998417 in g_main_context_dispatch () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #16 0x00007feb0a998650 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #17 0x00007feb0a9986dc in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #18 0x00007feb11dd513f in QEventDispatcherGlib::processEvents(QFlags) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #19 0x00007feb11d7664a in QEventLoop::exec(QFlags) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #20 0x00007feb11d7f800 in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #21 0x000055ab031d5f82 in main (argc=, argv=) at ./kstars/main.cpp:331