Program received signal SIGSEGV, Segmentation fault. OcioDisplayFilter::updateShader (this=0xb3ef470) at /home/krita/kde/src/krita/plugins/dockers/lut/ocio_display_filter.cpp:255 255 glFuncs3->glGenTextures(1, &m_lut3dTexID); (gdb) thread apply all bt Thread 11 (Thread 0x7fffa6b9e700 (LWP 26102)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007ffff56dd7eb in QWaitCondition::wait(QMutex*, unsigned long) () from /home/krita/Qt/5.6/gcc_64/lib/libQt5Core.so.5 #2 0x00007ffff68b3aa2 in ?? () from /home/krita/Qt/5.6/gcc_64/lib/libQt5Widgets.so.5 #3 0x00007ffff56dcc89 in ?? () from /home/krita/Qt/5.6/gcc_64/lib/libQt5Core.so.5 #4 0x00007fffef4496aa in start_thread (arg=0x7fffa6b9e700) at pthread_create.c:333 #5 0x00007ffff4dd6e9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 10 (Thread 0x7fffa739f700 (LWP 26101)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007ffff56dd7eb in QWaitCondition::wait(QMutex*, unsigned long) () from /home/krita/Qt/5.6/gcc_64/lib/libQt5Core.so.5 #2 0x00007ffff56d7116 in QSemaphore::tryAcquire(int, int) () from /home/krita/Qt/5.6/gcc_64/lib/libQt5Core.so.5 #3 0x00007ffff3278bb3 in KisTileDataSwapper::waitForWork ( ---Type to continue, or q to quit--- this=) at /home/krita/kde/src/krita/libs/image/tiles3/swap/kis_tile_data_swapper.cpp:86 #4 0x00007ffff3278daa in KisTileDataSwapper::run ( this=0x7ffff36e8560 <(anonymous namespace)::Q_QGS_s_instance::innerFunction()::holder+64>) at /home/krita/kde/src/krita/libs/image/tiles3/swap/kis_tile_data_swapper.cpp:92 #5 0x00007ffff56dcc89 in ?? () from /home/krita/Qt/5.6/gcc_64/lib/libQt5Core.so.5 #6 0x00007fffef4496aa in start_thread (arg=0x7fffa739f700) at pthread_create.c:333 #7 0x00007ffff4dd6e9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 9 (Thread 0x7fffc11f5700 (LWP 26100)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007ffff56dd7eb in QWaitCondition::wait(QMutex*, unsigned long) () from /home/krita/Qt/5.6/gcc_64/lib/libQt5Core.so.5 #2 0x00007ffff56d6e8b in QSemaphore::acquire(int) () from /home/krita/Qt/5.6/gcc_64/lib/libQt5Core.so.5 #3 0x00007ffff325eb8e in KisTileDataPooler::waitForWork ( ---Type to continue, or q to quit--- this=0x7ffff36e8520 <(anonymous namespace)::Q_QGS_s_instance::innerFunction()::holder>) at /home/krita/kde/src/krita/libs/image/tiles3/kis_tile_data_pooler.cc:165 #4 0x00007ffff325f34a in KisTileDataPooler::run ( this=0x7ffff36e8520 <(anonymous namespace)::Q_QGS_s_instance::innerFunction()::holder>) at /home/krita/kde/src/krita/libs/image/tiles3/kis_tile_data_pooler.cc:187 #5 0x00007ffff56dcc89 in ?? () from /home/krita/Qt/5.6/gcc_64/lib/libQt5Core.so.5 #6 0x00007fffef4496aa in start_thread (arg=0x7fffc11f5700) at pthread_create.c:333 #7 0x00007ffff4dd6e9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 6 (Thread 0x7fffd90bf700 (LWP 26096)): #0 0x00007ffff4dcb88d in poll () at ../sysdeps/unix/syscall-template.S:81 #1 0x00007fffeeb201ec in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007fffeeb202fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007ffff58ee4e7 in QEventDispatcherGlib::processEvents(QFlags) () from /home/krita/Qt/5.6/gcc_64/lib/libQt5Core.so.5 #4 0x00007ffff589cefa in QEventLoop::exec(QFlags) () from /home/krita/Qt/5.6/gcc_64/lib/libQt5Core.so.5 ---Type to continue, or q to quit--- #5 0x00007ffff56d838c in QThread::exec() () from /home/krita/Qt/5.6/gcc_64/lib/libQt5Core.so.5 #6 0x00007fffeb01ecd5 in ?? () from /home/krita/Qt/5.6/gcc_64/lib/libQt5DBus.so.5 #7 0x00007ffff56dcc89 in ?? () from /home/krita/Qt/5.6/gcc_64/lib/libQt5Core.so.5 #8 0x00007fffef4496aa in start_thread (arg=0x7fffd90bf700) at pthread_create.c:333 #9 0x00007ffff4dd6e9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 5 (Thread 0x7fffd98c0700 (LWP 26095)): #0 0x00007ffff4dcb88d in poll () at ../sysdeps/unix/syscall-template.S:81 #1 0x00007fffeeb201ec in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007fffeeb20572 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007fffde6a64a6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 #4 0x00007fffeeb46965 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007fffef4496aa in start_thread (arg=0x7fffd98c0700) at pthread_create.c:333 #6 0x00007ffff4dd6e9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 ---Type to continue, or q to quit--- Thread 4 (Thread 0x7fffda0c1700 (LWP 26094)): #0 0x00007ffff4dcb88d in poll () at ../sysdeps/unix/syscall-template.S:81 #1 0x00007fffeeb201ec in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007fffeeb202fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007fffeeb20339 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #4 0x00007fffeeb46965 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007fffef4496aa in start_thread (arg=0x7fffda0c1700) at pthread_create.c:333 #6 0x00007ffff4dd6e9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 3 (Thread 0x7fffdaadc700 (LWP 26093)): #0 0x00007ffff4dcb88d in poll () at ../sysdeps/unix/syscall-template.S:81 #1 0x00007fffeeb201ec in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007fffeeb202fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007fffdaae428d in ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so #4 0x00007fffeeb46965 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007fffef4496aa in start_thread (arg=0x7fffdaadc700) at pthread_create.c:333 #6 0x00007ffff4dd6e9d in clone () ---Type to continue, or q to quit--- at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 2 (Thread 0x7fffe4afc700 (LWP 26092)): #0 0x00007ffff4dcb88d in poll () at ../sysdeps/unix/syscall-template.S:81 #1 0x00007ffff3701bd2 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1 #2 0x00007ffff370374f in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1 #3 0x00007fffe59abdc9 in ?? () from /home/krita/Qt/5.6/gcc_64/lib/libQt5XcbQpa.so.5 #4 0x00007ffff56dcc89 in ?? () from /home/krita/Qt/5.6/gcc_64/lib/libQt5Core.so.5 #5 0x00007fffef4496aa in start_thread (arg=0x7fffe4afc700) at pthread_create.c:333 #6 0x00007ffff4dd6e9d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 1 (Thread 0x7ffff7f18800 (LWP 26086)): #0 OcioDisplayFilter::updateShader (this=0xb3ef470) at /home/krita/kde/src/krita/plugins/dockers/lut/ocio_display_filter.cpp:255 #1 0x00007ffff77cc2a8 in KisOpenGLCanvas2::renderCanvasGL ( this=this@entry=0xa078100) at /home/krita/kde/src/krita/libs/ui/opengl/kis_opengl_canvas2.cpp:747 ---Type to continue, or q to quit--- #2 0x00007ffff77cc397 in KisOpenGLCanvas2::paintGL (this=0xa078100) at /home/krita/kde/src/krita/libs/ui/opengl/kis_opengl_canvas2.cpp:271 #3 0x00007ffff66f433b in QOpenGLWidget::resizeEvent(QResizeEvent*) () from /home/krita/Qt/5.6/gcc_64/lib/libQt5Widgets.so.5 #4 0x00007ffff66d478e in QWidget::event(QEvent*) () from /home/krita/Qt/5.6/gcc_64/lib/libQt5Widgets.so.5 #5 0x00007ffff669204c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /home/krita/Qt/5.6/gcc_64/lib/libQt5Widgets.so.5 #6 0x00007ffff6696488 in QApplication::notify(QObject*, QEvent*) () from /home/krita/Qt/5.6/gcc_64/lib/libQt5Widgets.so.5 #7 0x00007ffff78d9197 in KisApplication::notify (this=, receiver=0xa078100, event=0x7fffffffa6e0) at /home/krita/kde/src/krita/libs/ui/KisApplication.cpp:525 #8 0x00007ffff589ee80 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /home/krita/Qt/5.6/gcc_64/lib/libQt5Core.so.5 #9 0x00007ffff66cd6a2 in QWidgetPrivate::sendPendingMoveAndResizeEvents(bool, bool) () from /home/krita/Qt/5.6/gcc_64/lib/libQt5Widgets.so.5 #10 0x00007ffff66d1216 in QWidgetPrivate::show_helper() () from /home/krita/Qt/5.6/gcc_64/lib/libQt5Widgets.so.5 #11 0x00007ffff66d1160 in QWidgetPrivate::showChildren(bool) () from /home/krita/Qt/5.6/gcc_64/lib/libQt5Widgets.so.5 #12 0x00007ffff66d1232 in QWidgetPrivate::show_helper() () from /home/krita/Qt/5.6/gcc_64/lib/libQt5Widgets.so.5 ---Type to continue, or q to quit---q Quit (gdb) q A debugging session is active. Inferior 1 [process 26086] will be killed. Quit anyway? (y or n) y