#0 octave_base_value::convert_to_str_internal (this=0x7ffff7935760 ) at ../../libinterp/octave-value/ov-base.cc:386 #1 0x00007ffff6d15648 in octave_base_value::convert_to_str (this=0x7ffff7935760 , pad=, force=, type=) at ../../libinterp/octave-value/ov-base.cc:375 #2 0x00007ffff6d1557c in octave_base_value::string_value[abi:cxx11](bool) const (this=, force=) at ../../libinterp/octave-value/ov-base.cc:908 #3 0x00007ffff706105f in octave_value::string_value[abi:cxx11](bool) const (force=false, this=0x7fffffffc360) at ../../libinterp/octave-value/ov.h:897 #4 opengl_renderer::set_font (this=0x7fffffffc830, props=...) at ../../libinterp/corefcn/gl-render.cc:2900 #5 0x00007ffff7067aa5 in opengl_renderer::draw_axes (this=0x7fffffffc830, props=...) at ../../libinterp/corefcn/gl-render.cc:1477 #6 0x00007ffff7061313 in opengl_renderer::draw (this=0x7fffffffc830, go=..., toplevel=) at ../../libinterp/corefcn/gl-render.cc:589 #7 0x00007ffff7b005e4 in opengl_renderer::draw (this=this@entry=0x7fffffffc830, hlist=..., toplevel=toplevel@entry=false) at ../../libinterp/corefcn/gl-render.h:81 #8 0x00007ffff7062ece in opengl_renderer::draw_figure (this=0x7fffffffc830, props=...) at ../../libinterp/corefcn/gl-render.cc:615 #9 0x00007ffff7061313 in opengl_renderer::draw (this=this@entry=0x7fffffffc830, go=..., toplevel=toplevel@entry=true) at ../../libinterp/corefcn/gl-render.cc:589 #10 0x00007ffff7ada83a in QtHandles::GLCanvas::draw (this=0x8e4680, gh=...) at ../../libgui/graphics/GLCanvas.cc:67 #11 0x00007ffff7ac59f6 in QtHandles::Canvas::canvasPaintEvent (this=0x8e46a8) at ../../libgui/graphics/Canvas.cc:319 #12 0x00007ffff6029915 in QGLWidget::glDraw (this=0x8e4680) at qgl.cpp:4626 #13 0x00007ffff60293cd in QGLWidget::paintEvent (this=0x8e4680) at qgl.cpp:4424 #14 0x00007ffff551a130 in QWidget::event (this=this@entry=0x8e4680, event=event@entry=0x7fffffffcf90) at kernel/qwidget.cpp:8775 #15 0x00007ffff6032e31 in QGLWidget::event (this=0x8e4680, e=0x7fffffffcf90) at qgl.cpp:4407 #16 0x00007ffff54c393c in QApplicationPrivate::notify_helper (this=this@entry=0x676a70, receiver=receiver@entry=0x8e4680, e=e@entry=0x7fffffffcf90) at kernel/qapplication.cpp:4565 #17 0x00007ffff54ca796 in QApplication::notify (this=0x7fffffffd810, receiver=0x8e4680, e=0x7fffffffcf90) at kernel/qapplication.cpp:4351 #18 0x00007ffff4f558bd in QCoreApplication::notifyInternal (this=0x7fffffffd810, receiver=receiver@entry=0x8e4680, event=event@entry=0x7fffffffcf90) at kernel/qcoreapplication.cpp:955 #19 0x00007ffff5514787 in QCoreApplication::sendSpontaneousEvent (event=0x7fffffffcf90, receiver=0x8e4680) at ../../src/corelib/kernel/qcoreapplication.h:234 #20 QWidgetPrivate::drawWidget (this=this@entry=0x8bd2f0, pdev=pdev@entry=0x8e4690, rgn=..., offset=..., flags=flags@entry=3, sharedPainter=sharedPainter@entry=0x0, backingStore=0x0) at kernel/qwidget.cpp:5599 #21 0x00007ffff56e29ed in QWidgetPrivate::repaint_sys (this=this@entry=0x8bd2f0, rgn=...) at painting/qbackingstore.cpp:1656 #22 0x00007ffff5507437 in QWidgetPrivate::syncBackingStore (this=0x8bd2f0) at kernel/qwidget.cpp:1891 #23 0x00007ffff551a218 in QWidget::event (this=this@entry=0x8e4680, event=event@entry=0xa59e10) at kernel/qwidget.cpp:8693 #24 0x00007ffff6032e31 in QGLWidget::event (this=0x8e4680, e=0xa59e10) at qgl.cpp:4407 #25 0x00007ffff54c393c in QApplicationPrivate::notify_helper (this=this@entry=0x676a70, receiver=receiver@entry=0x8e4680, e=e@entry=0xa59e10) at kernel/qapplication.cpp:4565 #26 0x00007ffff54ca796 in QApplication::notify (this=0x7fffffffd810, receiver=0x8e4680, e=0xa59e10) at kernel/qapplication.cpp:4351 #27 0x00007ffff4f558bd in QCoreApplication::notifyInternal (this=0x7fffffffd810, receiver=receiver@entry=0x8e4680, event=event@entry=0xa59e10) at kernel/qcoreapplication.cpp:955 #28 0x00007ffff4f58ed6 in QCoreApplication::sendEvent (event=0xa59e10, receiver=0x8e4680) at kernel/qcoreapplication.h:231 #29 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x66d530) at kernel/qcoreapplication.cpp:1579 #30 0x00007ffff4f591b3 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1472 #31 0x00007ffff4f85cee in QCoreApplication::sendPostedEvents () at kernel/qcoreapplication.h:236 #32 postEventSourceDispatch (s=0x677d80) at kernel/qeventdispatcher_glib.cpp:300 #33 0x00007fffeb6bae3a in g_main_dispatch (context=0x677c00) at gmain.c:3154 #34 g_main_context_dispatch (context=context@entry=0x677c00) at gmain.c:3769 #35 0x00007fffeb6bb1d0 in g_main_context_iterate (context=context@entry=0x677c00, block=block@entry=1, dispatch=dispatch@entry=1, self=) at gmain.c:3840 #36 0x00007fffeb6bb27c in g_main_context_iteration (context=0x677c00, may_block=may_block@entry=1) at gmain.c:3901 #37 0x00007ffff4f85e5e in QEventDispatcherGlib::processEvents (this=0x677ac0, flags=...) at kernel/qeventdispatcher_glib.cpp:450 #38 0x00007ffff556c436 in QGuiEventDispatcherGlib::processEvents (this=, flags=...) at kernel/qguieventdispatcher_glib.cpp:207 #39 0x00007ffff4f54131 in QEventLoop::processEvents (this=this@entry=0x7fffffffd750, flags=...) at kernel/qeventloop.cpp:149 #40 0x00007ffff4f544a5 in QEventLoop::exec (this=this@entry=0x7fffffffd750, flags=...) at kernel/qeventloop.cpp:204 #41 0x00007ffff4f5a039 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1227 #42 0x00007ffff54c20cc in QApplication::exec () at kernel/qapplication.cpp:3823 #43 0x00007ffff7a4aaee in octave_start_gui (argc=3, argv=0x7fffffffdd18, start_gui=) at ../../libgui/src/octave-gui.cc:201 #44 0x00007fffed300580 in __libc_start_main (main=0x400b00 , argc=3, argv=0x7fffffffdd18, init=, fini=, rtld_fini=, stack_end=0x7fffffffdd08) at libc-start.c:289 #45 0x0000000000400b99 in _start () Thread 15 (Thread 0x7fffab2f2700 (LWP 31237)): #0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225 #1 0x00007fffce5a3186 in os::Linux::safe_cond_timedwait (_abstime=0x7fffab2f1af0, _mutex=0x7fffc89a8228, _cond=0x7fffc89a8250) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/os/linux/vm/os_linux.cpp:4996 #2 os::PlatformEvent::park (this=this@entry=0x7fffc89a8200, millis=) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/os/linux/vm/os_linux.cpp:5660 #3 0x00007fffce5acf27 in os::PlatformEvent::park (this=this@entry=0x7fffc89a8200, millis=) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/os/linux/vm/os_linux.cpp:5684 #4 0x00007fffce566d21 in ParkCommon (timo=, ev=0x7fffc89a8200) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/share/vm/runtime/mutex.cpp:426 #5 Monitor::IWait (this=this@entry=0x7fffc8781530, Self=Self@entry=0x7fffc89a7800, timo=timo@entry=50) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/share/vm/runtime/mutex.cpp:802 #6 0x00007fffce567c52 in Monitor::wait (this=0x7fffc8781530, no_safepoint_check=no_safepoint_check@entry=true, timeout=timeout@entry=50, as_suspend_equivalent=as_suspend_equivalent@entry=false) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/share/vm/runtime/mutex.cpp:1111 #7 0x00007fffce6f5cf3 in WatcherThread::sleep (this=this@entry=0x7fffc89a7800) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/share/vm/runtime/thread.cpp:1275 #8 0x00007fffce6f5f2f in WatcherThread::run (this=0x7fffc89a7800) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/share/vm/runtime/thread.cpp:1320 #9 0x00007fffce5a4d92 in java_start (thread=0x7fffc89a7800) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/os/linux/vm/os_linux.cpp:782 #10 0x00007fffed6a860a in start_thread (arg=0x7fffab2f2700) at pthread_create.c:334 #11 0x00007fffed3e259d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 14 (Thread 0x7fffab3f3700 (LWP 31236)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007fffce5acdeb in os::PlatformEvent::park (this=this@entry=0x7fffc898f900) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/os/linux/vm/os_linux.cpp:5604 #2 0x00007fffce5669ef in ParkCommon (timo=0, ev=0x7fffc898f900) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/share/vm/runtime/mutex.cpp:424 #3 Monitor::IWait (this=this@entry=0x7fffc87c7850, Self=Self@entry=0x7fffc898e800, timo=timo@entry=0) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/share/vm/runtime/mutex.cpp:802 #4 0x00007fffce567c52 in Monitor::wait (this=0x7fffc87c7850, no_safepoint_check=no_safepoint_check@entry=true, timeout=timeout@entry=0, as_suspend_equivalent=as_suspend_equivalent@entry=false) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/share/vm/runtime/mutex.cpp:1111 #5 0x00007fffce64a6b2 in ServiceThread::service_thread_entry (jt=0x7fffc898e800, __the_thread__=0x7fffc898e800) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/share/vm/runtime/serviceThread.cpp:111 #6 0x00007fffce6fbaf3 in JavaThread::thread_main_inner (this=this@entry=0x7fffc898e800) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/share/vm/runtime/thread.cpp:1699 #7 0x00007fffce6fbfc4 in JavaThread::run (this=0x7fffc898e800) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/share/vm/runtime/thread.cpp:1679 #8 0x00007fffce5a4d92 in java_start (thread=0x7fffc898e800) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/os/linux/vm/os_linux.cpp:782 #9 0x00007fffed6a860a in start_thread (arg=0x7fffab3f3700) at pthread_create.c:334 #10 0x00007fffed3e259d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 13 (Thread 0x7fffab4f4700 (LWP 31235)): #0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225 #1 0x00007fffce5a3186 in os::Linux::safe_cond_timedwait (_abstime=0x7fffab4f3970, _mutex=0x7fffc897cc28, _cond=0x7fffc897cc50) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/os/linux/vm/os_linux.cpp:4996 #2 os::PlatformEvent::park (this=this@entry=0x7fffc897cc00, millis=) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/os/linux/vm/os_linux.cpp:5660 #3 0x00007fffce5acf27 in os::PlatformEvent::park (this=this@entry=0x7fffc897cc00, millis=) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/os/linux/vm/os_linux.cpp:5684 #4 0x00007fffce566d21 in ParkCommon (timo=, ev=0x7fffc897cc00) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/share/vm/runtime/mutex.cpp:426 #5 Monitor::IWait (this=this@entry=0x7fffc87812b0, Self=Self@entry=0x7fffc897b800, timo=timo@entry=5000) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/share/vm/runtime/mutex.cpp:802 #6 0x00007fffce567c7e in Monitor::wait (this=0x7fffc87812b0, no_safepoint_check=no_safepoint_check@entry=false, timeout=timeout@entry=5000, as_suspend_equivalent=as_suspend_equivalent@entry=false) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/share/vm/runtime/mutex.cpp:1126 #7 0x00007fffce164822 in CompileQueue::get (this=0x7fffc895c990) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/share/vm/compiler/compileBroker.cpp:741 #8 0x00007fffce16d2c3 in CompileBroker::compiler_thread_loop () at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/share/vm/compiler/compileBroker.cpp:1790 #9 0x00007fffce6fbaf3 in JavaThread::thread_main_inner (this=this@entry=0x7fffc897b800) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/share/vm/runtime/thread.cpp:1699 #10 0x00007fffce6fbfc4 in JavaThread::run (this=0x7fffc897b800) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/share/vm/runtime/thread.cpp:1679 #11 0x00007fffce5a4d92 in java_start (thread=0x7fffc897b800) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/os/linux/vm/os_linux.cpp:782 #12 0x00007fffed6a860a in start_thread (arg=0x7fffab4f4700) at pthread_create.c:334 #13 0x00007fffed3e259d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 12 (Thread 0x7fffab5f5700 (LWP 31234)): #0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225 #1 0x00007fffce5a3186 in os::Linux::safe_cond_timedwait (_abstime=0x7fffab5f4970, _mutex=0x7fffc897a928, _cond=0x7fffc897a950) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/os/linux/vm/os_linux.cpp:4996 #2 os::PlatformEvent::park (this=this@entry=0x7fffc897a900, millis=) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/os/linux/vm/os_linux.cpp:5660 #3 0x00007fffce5acf27 in os::PlatformEvent::park (this=this@entry=0x7fffc897a900, millis=) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/os/linux/vm/os_linux.cpp:5684 #4 0x00007fffce566d21 in ParkCommon (timo=, ev=0x7fffc897a900) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/share/vm/runtime/mutex.cpp:426 #5 Monitor::IWait (this=this@entry=0x7fffc87812b0, Self=Self@entry=0x7fffc8979800, timo=timo@entry=5000) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/share/vm/runtime/mutex.cpp:802 #6 0x00007fffce567c7e in Monitor::wait (this=0x7fffc87812b0, no_safepoint_check=no_safepoint_check@entry=false, timeout=timeout@entry=5000, as_suspend_equivalent=as_suspend_equivalent@entry=false) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/share/vm/runtime/mutex.cpp:1126 #7 0x00007fffce164822 in CompileQueue::get (this=0x7fffc895c920) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/share/vm/compiler/compileBroker.cpp:741 #8 0x00007fffce16d2c3 in CompileBroker::compiler_thread_loop () at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/share/vm/compiler/compileBroker.cpp:1790 #9 0x00007fffce6fbaf3 in JavaThread::thread_main_inner (this=this@entry=0x7fffc8979800) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/share/vm/runtime/thread.cpp:1699 #10 0x00007fffce6fbfc4 in JavaThread::run (this=0x7fffc8979800) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/share/vm/runtime/thread.cpp:1679 #11 0x00007fffce5a4d92 in java_start (thread=0x7fffc8979800) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/os/linux/vm/os_linux.cpp:782 #12 0x00007fffed6a860a in start_thread (arg=0x7fffab5f5700) at pthread_create.c:334 #13 0x00007fffed3e259d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 11 (Thread 0x7fffab6f6700 (LWP 31233)): #0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225 #1 0x00007fffce5a3186 in os::Linux::safe_cond_timedwait (_abstime=0x7fffab6f5970, _mutex=0x7fffc8978628, _cond=0x7fffc8978650) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/os/linux/vm/os_linux.cpp:4996 #2 os::PlatformEvent::park (this=this@entry=0x7fffc8978600, millis=) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/os/linux/vm/os_linux.cpp:5660 #3 0x00007fffce5acf27 in os::PlatformEvent::park (this=this@entry=0x7fffc8978600, millis=) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/os/linux/vm/os_linux.cpp:5684 #4 0x00007fffce566d21 in ParkCommon (timo=, ev=0x7fffc8978600) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/share/vm/runtime/mutex.cpp:426 #5 Monitor::IWait (this=this@entry=0x7fffc87812b0, Self=Self@entry=0x7fffc8977800, timo=timo@entry=5000) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/share/vm/runtime/mutex.cpp:802 #6 0x00007fffce567c7e in Monitor::wait (this=0x7fffc87812b0, no_safepoint_check=no_safepoint_check@entry=false, timeout=timeout@entry=5000, as_suspend_equivalent=as_suspend_equivalent@entry=false) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/share/vm/runtime/mutex.cpp:1126 #7 0x00007fffce164822 in CompileQueue::get (this=0x7fffc895c920) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/share/vm/compiler/compileBroker.cpp:741 #8 0x00007fffce16d2c3 in CompileBroker::compiler_thread_loop () at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/share/vm/compiler/compileBroker.cpp:1790 #9 0x00007fffce6fbaf3 in JavaThread::thread_main_inner (this=this@entry=0x7fffc8977800) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/share/vm/runtime/thread.cpp:1699 #10 0x00007fffce6fbfc4 in JavaThread::run (this=0x7fffc8977800) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/share/vm/runtime/thread.cpp:1679 #11 0x00007fffce5a4d92 in java_start (thread=0x7fffc8977800) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/os/linux/vm/os_linux.cpp:782 #12 0x00007fffed6a860a in start_thread (arg=0x7fffab6f6700) at pthread_create.c:334 #13 0x00007fffed3e259d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 10 (Thread 0x7fffab7f7700 (LWP 31232)): #0 0x00007fffed6b0d9d in accept () at ../sysdeps/unix/syscall-template.S:84 #1 0x00007fffcdfdf053 in LinuxAttachListener::dequeue () at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/os/linux/vm/attachListener_linux.cpp:333 #2 0x00007fffcdfdf17a in AttachListener::dequeue () at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/os/linux/vm/attachListener_linux.cpp:427 #3 0x00007fffcdfdde4f in attach_listener_thread_entry (thread=0x7fffc8975000, __the_thread__=) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/share/vm/services/attachListener.cpp:422 #4 0x00007fffce6fbaf3 in JavaThread::thread_main_inner (this=this@entry=0x7fffc8975000) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/share/vm/runtime/thread.cpp:1699 #5 0x00007fffce6fbfc4 in JavaThread::run (this=0x7fffc8975000) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/share/vm/runtime/thread.cpp:1679 #6 0x00007fffce5a4d92 in java_start (thread=0x7fffc8975000) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/os/linux/vm/os_linux.cpp:782 #7 0x00007fffed6a860a in start_thread (arg=0x7fffab7f7700) at pthread_create.c:334 #8 0x00007fffed3e259d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 9 (Thread 0x7fffab8f8700 (LWP 31231)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007fffce5acdeb in os::PlatformEvent::park (this=0x7fffc891c800) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/os/linux/vm/os_linux.cpp:5604 #2 0x00007fffce5946b5 in ObjectMonitor::wait (this=this@entry=0x7fff940036c8, millis=millis@entry=0, interruptible=interruptible@entry=true, __the_thread__=__the_thread__@entry=0x7fffc891b800) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/share/vm/runtime/objectMonitor.cpp:1555 #3 0x00007fffce6c256f in ObjectSynchronizer::wait (obj=obj@entry=..., millis=millis@entry=0, __the_thread__=__the_thread__@entry=0x7fffc891b800) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/share/vm/runtime/synchronizer.cpp:389 #4 0x00007fffce39a403 in JVM_MonitorWait (env=, handle=, ms=0) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/share/vm/prims/jvm.cpp:562 #5 0x00007fffb9017754 in ?? () #6 0x00007fffb8800a80 in ?? () #7 0x00007fffc891b800 in ?? () #8 0xfffffffe00000000 in ?? () #9 0x00007fffab8f7688 in ?? () #10 0x0000000000000000 in ?? () Thread 8 (Thread 0x7fffab9f9700 (LWP 31230)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007fffce5acdeb in os::PlatformEvent::park (this=0x7fffc8917f00) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/os/linux/vm/os_linux.cpp:5604 #2 0x00007fffce5946b5 in ObjectMonitor::wait (this=this@entry=0x7fff940020c8, millis=millis@entry=0, interruptible=interruptible@entry=true, __the_thread__=__the_thread__@entry=0x7fffc8917000) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/share/vm/runtime/objectMonitor.cpp:1555 #3 0x00007fffce6c256f in ObjectSynchronizer::wait (obj=obj@entry=..., millis=millis@entry=0, __the_thread__=__the_thread__@entry=0x7fffc8917000) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/share/vm/runtime/synchronizer.cpp:389 #4 0x00007fffce39a403 in JVM_MonitorWait (env=, handle=, ms=0) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/share/vm/prims/jvm.cpp:562 #5 0x00007fffb9017754 in ?? () #6 0x00007fffab9f8700 in ?? () #7 0x00007fffb90174d9 in ?? () #8 0xfffffffe00000000 in ?? () #9 0x00007fffb90174a2 in ?? () #10 0x00007fffab9f86c0 in ?? () #11 0x00007fffb8800a78 in ?? () #12 0x00007fffab9f8730 in ?? () #13 0x00007fffb88c2438 in ?? () #14 0x0000000000000000 in ?? () Thread 7 (Thread 0x7fffabafa700 (LWP 31229)): #0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225 #1 0x00007fffce5a3186 in os::Linux::safe_cond_timedwait (_abstime=0x7fffabaf99f0, _mutex=0x7fffc890e228, _cond=0x7fffc890e250) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/os/linux/vm/os_linux.cpp:4996 #2 os::PlatformEvent::park (this=this@entry=0x7fffc890e200, millis=) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/os/linux/vm/os_linux.cpp:5660 #3 0x00007fffce5acf27 in os::PlatformEvent::park (this=this@entry=0x7fffc890e200, millis=) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/os/linux/vm/os_linux.cpp:5684 #4 0x00007fffce566d21 in ParkCommon (timo=, ev=0x7fffc890e200) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/share/vm/runtime/mutex.cpp:426 #5 Monitor::IWait (this=this@entry=0x7fffc87d9950, Self=Self@entry=0x7fffc890d800, timo=timo@entry=1000) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/share/vm/runtime/mutex.cpp:802 #6 0x00007fffce567c52 in Monitor::wait (this=0x7fffc87d9950, no_safepoint_check=no_safepoint_check@entry=true, timeout=1000, as_suspend_equivalent=as_suspend_equivalent@entry=false) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/share/vm/runtime/mutex.cpp:1111 #7 0x00007fffce75c43a in VMThread::loop (this=this@entry=0x7fffc890d800) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/share/vm/runtime/vmThread.cpp:444 #8 0x00007fffce75c7c1 in VMThread::run (this=0x7fffc890d800) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/share/vm/runtime/vmThread.cpp:276 #9 0x00007fffce5a4d92 in java_start (thread=0x7fffc890d800) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/os/linux/vm/os_linux.cpp:782 #10 0x00007fffed6a860a in start_thread (arg=0x7fffabafa700) at pthread_create.c:334 #11 0x00007fffed3e259d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 6 (Thread 0x7fffcc977700 (LWP 31228)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007fffce5acdeb in os::PlatformEvent::park (this=this@entry=0x7fffc87e6200) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/os/linux/vm/os_linux.cpp:5604 #2 0x00007fffce5669ef in ParkCommon (timo=0, ev=0x7fffc87e6200) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/share/vm/runtime/mutex.cpp:424 #3 Monitor::IWait (this=this@entry=0x7fffc87df2c0, Self=Self@entry=0x7fffc87e5000, timo=timo@entry=0) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/share/vm/runtime/mutex.cpp:802 #4 0x00007fffce567c52 in Monitor::wait (this=0x7fffc87df2c0, no_safepoint_check=no_safepoint_check@entry=true, timeout=timeout@entry=0, as_suspend_equivalent=as_suspend_equivalent@entry=false) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/share/vm/runtime/mutex.cpp:1111 #5 0x00007fffce29a97a in GCTaskManager::get_task (this=0x7fffc87df240, which=3) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/share/vm/gc_implementation/parallelScavenge/gcTaskManager.cpp:655 #6 0x00007fffce29c7ce in GCTaskThread::run (this=0x7fffc87e5000) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/share/vm/gc_implementation/parallelScavenge/gcTaskThread.cpp:133 #7 0x00007fffce5a4d92 in java_start (thread=0x7fffc87e5000) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/os/linux/vm/os_linux.cpp:782 #8 0x00007fffed6a860a in start_thread (arg=0x7fffcc977700) at pthread_create.c:334 #9 0x00007fffed3e259d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 5 (Thread 0x7fffcca78700 (LWP 31227)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007fffce5acdeb in os::PlatformEvent::park (this=this@entry=0x7fffc87e4500) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/os/linux/vm/os_linux.cpp:5604 #2 0x00007fffce5669ef in ParkCommon (timo=0, ev=0x7fffc87e4500) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/share/vm/runtime/mutex.cpp:424 #3 Monitor::IWait (this=this@entry=0x7fffc87df2c0, Self=Self@entry=0x7fffc87e3000, timo=timo@entry=0) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/share/vm/runtime/mutex.cpp:802 #4 0x00007fffce567c52 in Monitor::wait (this=0x7fffc87df2c0, no_safepoint_check=no_safepoint_check@entry=true, timeout=timeout@entry=0, as_suspend_equivalent=as_suspend_equivalent@entry=false) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/share/vm/runtime/mutex.cpp:1111 #5 0x00007fffce29a97a in GCTaskManager::get_task (this=0x7fffc87df240, which=2) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/share/vm/gc_implementation/parallelScavenge/gcTaskManager.cpp:655 #6 0x00007fffce29c7ce in GCTaskThread::run (this=0x7fffc87e3000) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/share/vm/gc_implementation/parallelScavenge/gcTaskThread.cpp:133 #7 0x00007fffce5a4d92 in java_start (thread=0x7fffc87e3000) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/os/linux/vm/os_linux.cpp:782 #8 0x00007fffed6a860a in start_thread (arg=0x7fffcca78700) at pthread_create.c:334 #9 0x00007fffed3e259d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 4 (Thread 0x7fffccb79700 (LWP 31226)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007fffce5acdeb in os::PlatformEvent::park (this=this@entry=0x7fffc87e2800) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/os/linux/vm/os_linux.cpp:5604 #2 0x00007fffce5669ef in ParkCommon (timo=0, ev=0x7fffc87e2800) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/share/vm/runtime/mutex.cpp:424 #3 Monitor::IWait (this=this@entry=0x7fffc87df2c0, Self=Self@entry=0x7fffc87e1800, timo=timo@entry=0) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/share/vm/runtime/mutex.cpp:802 #4 0x00007fffce567c52 in Monitor::wait (this=0x7fffc87df2c0, no_safepoint_check=no_safepoint_check@entry=true, timeout=timeout@entry=0, as_suspend_equivalent=as_suspend_equivalent@entry=false) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/share/vm/runtime/mutex.cpp:1111 #5 0x00007fffce29a97a in GCTaskManager::get_task (this=0x7fffc87df240, which=1) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/share/vm/gc_implementation/parallelScavenge/gcTaskManager.cpp:655 #6 0x00007fffce29c7ce in GCTaskThread::run (this=0x7fffc87e1800) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/share/vm/gc_implementation/parallelScavenge/gcTaskThread.cpp:133 #7 0x00007fffce5a4d92 in java_start (thread=0x7fffc87e1800) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/os/linux/vm/os_linux.cpp:782 #8 0x00007fffed6a860a in start_thread (arg=0x7fffccb79700) at pthread_create.c:334 #9 0x00007fffed3e259d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 3 (Thread 0x7fffccc7a700 (LWP 31225)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007fffce5acdeb in os::PlatformEvent::park (this=this@entry=0x7fffc87e0b00) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/os/linux/vm/os_linux.cpp:5604 #2 0x00007fffce5669ef in ParkCommon (timo=0, ev=0x7fffc87e0b00) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/share/vm/runtime/mutex.cpp:424 #3 Monitor::IWait (this=this@entry=0x7fffc87df2c0, Self=Self@entry=0x7fffc87df800, timo=timo@entry=0) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/share/vm/runtime/mutex.cpp:802 #4 0x00007fffce567c52 in Monitor::wait (this=0x7fffc87df2c0, no_safepoint_check=no_safepoint_check@entry=true, timeout=timeout@entry=0, as_suspend_equivalent=as_suspend_equivalent@entry=false) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/share/vm/runtime/mutex.cpp:1111 #5 0x00007fffce29a97a in GCTaskManager::get_task (this=0x7fffc87df240, which=0) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/share/vm/gc_implementation/parallelScavenge/gcTaskManager.cpp:655 #6 0x00007fffce29c7ce in GCTaskThread::run (this=0x7fffc87df800) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/share/vm/gc_implementation/parallelScavenge/gcTaskThread.cpp:133 #7 0x00007fffce5a4d92 in java_start (thread=0x7fffc87df800) at /usr/src/debug/java-1.8.0-openjdk-1.8.0.91-6.b14.fc23.x86_64/openjdk/hotspot/src/os/linux/vm/os_linux.cpp:782 #8 0x00007fffed6a860a in start_thread (arg=0x7fffccc7a700) at pthread_create.c:334 #9 0x00007fffed3e259d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 2 (Thread 0x7fffd016f700 (LWP 31224)): #0 __lll_lock_wait () at ../sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135 #1 0x00007fffed6aaa36 in __GI___pthread_mutex_lock (mutex=0x670200) at ../nptl/pthread_mutex_lock.c:116 #2 0x00007ffff7aadeca in octave_mutex::lock (this=0x7fffd016de00) at ../../liboctave/util/oct-mutex.h:85 #3 octave_autolock::octave_autolock (block=true, m=..., this=0x7fffd016de00) at ../../liboctave/util/oct-mutex.h:111 #4 gh_manager::auto_lock::auto_lock (wait=true, this=0x7fffd016de00) at ../libinterp/corefcn/graphics.h:13395 #5 QtHandles::__shutdown__ () at ../../libgui/graphics/__init_qt__.cc:103 #6 0x00007ffff7aae126 in F__shutdown_qt__ () at ../../libgui/graphics/__init_qt__.cc:130 #7 0x00007ffff6d275cb in octave_builtin::do_multi_index_op (this=0x6735e0, nargout=0, args=..., lvalue_list=lvalue_list@entry= 0x0) at ../../libinterp/octave-value/ov-builtin.cc:131 #8 0x00007ffff6d27edc in octave_builtin::do_multi_index_op (this=, nargout=, args=...) at ../../libinterp/octave-value/ov-builtin.cc:99 #9 0x00007ffff6e1f5c1 in octave_value::do_multi_index_op (this=this@entry=0x7fffd016e0e0, nargout=nargout@entry=0, idx=...) at ../../libinterp/octave-value/ov.cc:1391 #10 0x00007ffff6edb5bb in feval (name="__shutdown_qt__", args=..., nargout=nargout@entry=0) at parse-tree/oct-parse.yy:4663 #11 0x00007ffff737a6f2 in do_octave_atexit () at ../../libinterp/corefcn/toplev.cc:688 #12 0x00007ffff737d94f in clean_up_and_exit (status=1, safe_to_return=) at ../../libinterp/corefcn/toplev.cc:762 #13 0x00007ffff6953652 in octave_execute_interpreter () at ../../libinterp/octave.cc:889 #14 0x00007ffff4f6f7f1 in QObject::event (this=0x886020, e=) at kernel/qobject.cpp:1222 #15 0x00007ffff54c393c in QApplicationPrivate::notify_helper (this=this@entry=0x676a70, receiver=receiver@entry=0x886020, e=e@entry=0x88e3b0) at kernel/qapplication.cpp:4565 #16 0x00007ffff54ca796 in QApplication::notify (this=0x7fffffffd810, receiver=0x886020, e=0x88e3b0) at kernel/qapplication.cpp:4351 #17 0x00007ffff4f558bd in QCoreApplication::notifyInternal (this=0x7fffffffd810, receiver=receiver@entry=0x886020, event=event@entry=0x88e3b0) at kernel/qcoreapplication.cpp:955 #18 0x00007ffff4f58ed6 in QCoreApplication::sendEvent (event=0x88e3b0, receiver=0x886020) at kernel/qcoreapplication.h:231 #19 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x885f60) at kernel/qcoreapplication.cpp:1579 #20 0x00007ffff4f591b3 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1472 #21 0x00007ffff4f85cee in QCoreApplication::sendPostedEvents () at kernel/qcoreapplication.h:236 #22 postEventSourceDispatch (s=0x7fffc80012e0) at kernel/qeventdispatcher_glib.cpp:300 #23 0x00007fffeb6bae3a in g_main_dispatch (context=0x7fffc80009a0) at gmain.c:3154 #24 g_main_context_dispatch (context=context@entry=0x7fffc80009a0) at gmain.c:3769 #25 0x00007fffeb6bb1d0 in g_main_context_iterate (context=context@entry=0x7fffc80009a0, block=block@entry=1, dispatch=dispatch@entry=1, self=) at gmain.c:3840 #26 0x00007fffeb6bb27c in g_main_context_iteration (context=0x7fffc80009a0, may_block=may_block@entry=1) at gmain.c:3901 #27 0x00007ffff4f85e7e in QEventDispatcherGlib::processEvents (this=0x7fffc80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:452 #28 0x00007ffff4f54131 in QEventLoop::processEvents (this=this@entry=0x7fffd016ecd0, flags=...) at kernel/qeventloop.cpp:149 #29 0x00007ffff4f544a5 in QEventLoop::exec (this=this@entry=0x7fffd016ecd0, flags=...) at kernel/qeventloop.cpp:204 #30 0x00007ffff4e43a99 in QThread::exec (this=) at thread/qthread.cpp:538 #31 0x00007ffff4e4638c in QThreadPrivate::start (arg=0x885180) at thread/qthread_unix.cpp:352 #32 0x00007fffed6a860a in start_thread (arg=0x7fffd016f700) at pthread_create.c:334 #33 0x00007fffed3e259d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 1 (Thread 0x7ffff7f9d900 (LWP 31219)): #0 octave_base_value::convert_to_str_internal (this=0x7ffff7935760 ) at ../../libinterp/octave-value/ov-base.cc:386 #1 0x00007ffff6d15648 in octave_base_value::convert_to_str (this=0x7ffff7935760 , pad=, force=, type=) at ../../libinterp/octave-value/ov-base.cc:375 #2 0x00007ffff6d1557c in octave_base_value::string_value[abi:cxx11](bool) const (this=, force=) at ../../libinterp/octave-value/ov-base.cc:908 #3 0x00007ffff706105f in octave_value::string_value[abi:cxx11](bool) const (force=false, this=0x7fffffffc360) at ../../libinterp/octave-value/ov.h:897 #4 opengl_renderer::set_font (this=0x7fffffffc830, props=...) at ../../libinterp/corefcn/gl-render.cc:2900 #5 0x00007ffff7067aa5 in opengl_renderer::draw_axes (this=0x7fffffffc830, props=...) at ../../libinterp/corefcn/gl-render.cc:1477 #6 0x00007ffff7061313 in opengl_renderer::draw (this=0x7fffffffc830, go=..., toplevel=) at ../../libinterp/corefcn/gl-render.cc:589 #7 0x00007ffff7b005e4 in opengl_renderer::draw (this=this@entry=0x7fffffffc830, hlist=..., toplevel=toplevel@entry=false) at ../../libinterp/corefcn/gl-render.h:81 #8 0x00007ffff7062ece in opengl_renderer::draw_figure (this=0x7fffffffc830, props=...) at ../../libinterp/corefcn/gl-render.cc:615 #9 0x00007ffff7061313 in opengl_renderer::draw (this=this@entry=0x7fffffffc830, go=..., toplevel=toplevel@entry=true) at ../../libinterp/corefcn/gl-render.cc:589 #10 0x00007ffff7ada83a in QtHandles::GLCanvas::draw (this=0x8e4680, gh=...) at ../../libgui/graphics/GLCanvas.cc:67 #11 0x00007ffff7ac59f6 in QtHandles::Canvas::canvasPaintEvent (this=0x8e46a8) at ../../libgui/graphics/Canvas.cc:319 #12 0x00007ffff6029915 in QGLWidget::glDraw (this=0x8e4680) at qgl.cpp:4626 #13 0x00007ffff60293cd in QGLWidget::paintEvent (this=0x8e4680) at qgl.cpp:4424 #14 0x00007ffff551a130 in QWidget::event (this=this@entry=0x8e4680, event=event@entry=0x7fffffffcf90) at kernel/qwidget.cpp:8775 #15 0x00007ffff6032e31 in QGLWidget::event (this=0x8e4680, e=0x7fffffffcf90) at qgl.cpp:4407 #16 0x00007ffff54c393c in QApplicationPrivate::notify_helper (this=this@entry=0x676a70, receiver=receiver@entry=0x8e4680, e=e@entry=0x7fffffffcf90) at kernel/qapplication.cpp:4565 #17 0x00007ffff54ca796 in QApplication::notify (this=0x7fffffffd810, receiver=0x8e4680, e=0x7fffffffcf90) at kernel/qapplication.cpp:4351 #18 0x00007ffff4f558bd in QCoreApplication::notifyInternal (this=0x7fffffffd810, receiver=receiver@entry=0x8e4680, event=event@entry=0x7fffffffcf90) at kernel/qcoreapplication.cpp:955 #19 0x00007ffff5514787 in QCoreApplication::sendSpontaneousEvent (event=0x7fffffffcf90, receiver=0x8e4680) at ../../src/corelib/kernel/qcoreapplication.h:234 #20 QWidgetPrivate::drawWidget (this=this@entry=0x8bd2f0, pdev=pdev@entry=0x8e4690, rgn=..., offset=..., flags=flags@entry=3, sharedPainter=sharedPainter@entry=0x0, backingStore=0x0) at kernel/qwidget.cpp:5599 #21 0x00007ffff56e29ed in QWidgetPrivate::repaint_sys (this=this@entry=0x8bd2f0, rgn=...) at painting/qbackingstore.cpp:1656 #22 0x00007ffff5507437 in QWidgetPrivate::syncBackingStore (this=0x8bd2f0) at kernel/qwidget.cpp:1891 #23 0x00007ffff551a218 in QWidget::event (this=this@entry=0x8e4680, event=event@entry=0xa59e10) at kernel/qwidget.cpp:8693 #24 0x00007ffff6032e31 in QGLWidget::event (this=0x8e4680, e=0xa59e10) at qgl.cpp:4407 #25 0x00007ffff54c393c in QApplicationPrivate::notify_helper (this=this@entry=0x676a70, receiver=receiver@entry=0x8e4680, e=e@entry=0xa59e10) at kernel/qapplication.cpp:4565 #26 0x00007ffff54ca796 in QApplication::notify (this=0x7fffffffd810, receiver=0x8e4680, e=0xa59e10) at kernel/qapplication.cpp:4351 #27 0x00007ffff4f558bd in QCoreApplication::notifyInternal (this=0x7fffffffd810, receiver=receiver@entry=0x8e4680, event=event@entry=0xa59e10) at kernel/qcoreapplication.cpp:955 #28 0x00007ffff4f58ed6 in QCoreApplication::sendEvent (event=0xa59e10, receiver=0x8e4680) at kernel/qcoreapplication.h:231 #29 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x66d530) at kernel/qcoreapplication.cpp:1579 #30 0x00007ffff4f591b3 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1472 #31 0x00007ffff4f85cee in QCoreApplication::sendPostedEvents () at kernel/qcoreapplication.h:236 #32 postEventSourceDispatch (s=0x677d80) at kernel/qeventdispatcher_glib.cpp:300 #33 0x00007fffeb6bae3a in g_main_dispatch (context=0x677c00) at gmain.c:3154 #34 g_main_context_dispatch (context=context@entry=0x677c00) at gmain.c:3769 #35 0x00007fffeb6bb1d0 in g_main_context_iterate (context=context@entry=0x677c00, block=block@entry=1, dispatch=dispatch@entry=1, self=) at gmain.c:3840 #36 0x00007fffeb6bb27c in g_main_context_iteration (context=0x677c00, may_block=may_block@entry=1) at gmain.c:3901 #37 0x00007ffff4f85e5e in QEventDispatcherGlib::processEvents (this=0x677ac0, flags=...) at kernel/qeventdispatcher_glib.cpp:450 #38 0x00007ffff556c436 in QGuiEventDispatcherGlib::processEvents (this=, flags=...) at kernel/qguieventdispatcher_glib.cpp:207 #39 0x00007ffff4f54131 in QEventLoop::processEvents (this=this@entry=0x7fffffffd750, flags=...) at kernel/qeventloop.cpp:149 #40 0x00007ffff4f544a5 in QEventLoop::exec (this=this@entry=0x7fffffffd750, flags=...) at kernel/qeventloop.cpp:204 #41 0x00007ffff4f5a039 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1227 #42 0x00007ffff54c20cc in QApplication::exec () at kernel/qapplication.cpp:3823 #43 0x00007ffff7a4aaee in octave_start_gui (argc=3, argv=0x7fffffffdd18, start_gui=) at ../../libgui/src/octave-gui.cc:201 #44 0x00007fffed300580 in __libc_start_main (main=0x400b00 , argc=3, argv=0x7fffffffdd18, init=, fini=, rtld_fini=, stack_end=0x7fffffffdd08) at libc-start.c:289 #45 0x0000000000400b99 in _start ()