Bug 376704

Summary: 2017-02-20 - User interface crashes on startup
Product: [Applications] kdenlive Reporter: Evert Vorster <evorster>
Component: User Interface & MiscellaneousAssignee: Jean-Baptiste Mardelle <jb>
Status: RESOLVED NOT A BUG    
Severity: normal    
Priority: NOR    
Version First Reported In: git-master   
Target Milestone: ---   
Platform: Other   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:

Description Evert Vorster 2017-02-20 10:16:13 UTC 
Hi there, 

Here is a backtrace of the issue. The user interface momentarily pops up, then disappears.

[evert@Vorster ~]$ gdb kdenlive
GNU gdb (GDB) 7.12.1
Copyright (C) 2017 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
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 "x86_64-pc-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
<http://www.gnu.org/software/gdb/documentation/>.
For help, type "help".
Type "apropos word" to search for commands related to "word"...
Reading symbols from kdenlive...(no debugging symbols found)...done.
(gdb) run
Starting program: /usr/bin/kdenlive 
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[New Thread 0x7fffdc5d0700 (LWP 28316)]
[New Thread 0x7fffd8930700 (LWP 28317)]
[Thread 0x7fffd8930700 (LWP 28317) exited]
[New Thread 0x7fffd8930700 (LWP 28318)]
[New Thread 0x7fffd3b61700 (LWP 28319)]
[New Thread 0x7fffad5b7700 (LWP 28320)]
QGLXContext: Failed to create dummy context
[New Thread 0x7fffa4771700 (LWP 28321)]
[New Thread 0x7fffa3770700 (LWP 28322)]
[New Thread 0x7fffa2a8d700 (LWP 28323)]
[New Thread 0x7fffa1052700 (LWP 28324)]
[New Thread 0x7fff8bfff700 (LWP 28325)]
[Thread 0x7fff8bfff700 (LWP 28325) exited]
[New Thread 0x7fff8bfff700 (LWP 28326)]
[Thread 0x7fff8bfff700 (LWP 28326) exited]
[New Thread 0x7fff8bfff700 (LWP 28327)]
[New Thread 0x7fff8a6b8700 (LWP 28328)]
[New Thread 0x7fff88ebe700 (LWP 28330)]
[New Thread 0x7fff67fff700 (LWP 28331)]
[New Thread 0x7fff677fe700 (LWP 28332)]
[Thread 0x7fff67fff700 (LWP 28331) exited]
[New Thread 0x7fff67fff700 (LWP 28333)]
[New Thread 0x7fff6bfff700 (LWP 28334)]
[New Thread 0x7fff6b7fe700 (LWP 28335)]
[New Thread 0x7fff6affd700 (LWP 28336)]
[New Thread 0x7fff6a7fc700 (LWP 28337)]
Failed to create OpenGL context for format QSurfaceFormat(version 2.0, options QFlags<QSurfaceFormat::FormatOption>(), depthBufferSize 24, redBufferSize -1, greenBufferSize -1, blueBufferSize -1, alphaBufferSize -1, stencilBufferSize 8, samples -1, swapBehavior QSurfaceFormat::SwapBehavior(DoubleBuffer), swapInterval 1, profile  QSurfaceFormat::OpenGLContextProfile(NoProfile)) 

Thread 1 "kdenlive" received signal SIGABRT, Aborted.
0x00007fffefd6904f in raise () from /usr/lib/libc.so.6
(gdb) thread apply all bt

Thread 22 (Thread 0x7fff6a7fc700 (LWP 28337)):
#0  0x00007fffefe19f19 in syscall () at /usr/lib/libc.so.6
#1  0x00007fffe7c810ca in g_cond_wait_until () at /usr/lib/libglib-2.0.so.0
#2  0x00007fffe7c0fe89 in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007fffe7c63b46 in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007fffe7c63175 in  () at /usr/lib/libglib-2.0.so.0
#5  0x00007fffede50454 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007fffefe1e7df in clone () at /usr/lib/libc.so.6

Thread 21 (Thread 0x7fff6affd700 (LWP 28336)):
#0  0x00007fffefe19f19 in syscall () at /usr/lib/libc.so.6
#1  0x00007fffe7c80faf in g_cond_wait () at /usr/lib/libglib-2.0.so.0
#2  0x00007fffe5bebd4d in  () at /usr/lib/libgstreamer-1.0.so.0
#3  0x00007fffe7c63b6e in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007fffe7c63175 in  () at /usr/lib/libglib-2.0.so.0
#5  0x00007fffede50454 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007fffefe1e7df in clone () at /usr/lib/libc.so.6

Thread 20 (Thread 0x7fff6b7fe700 (LWP 28335)):
#0  0x00007fffefe19f19 in syscall () at /usr/lib/libc.so.6
#1  0x00007fffe7c80faf in g_cond_wait () at /usr/lib/libglib-2.0.so.0
#2  0x00007fff8ab77206 in  () at /usr/lib/gstreamer-1.0/libgstcoreelements.so
#3  0x00007fffe5bb7c07 in  () at /usr/lib/libgstreamer-1.0.so.0
#4  0x00007fffe5bbfdb2 in gst_pad_push () at /usr/lib/libgstreamer-1.0.so.0
#5  0x00007fffe5ba73ab in gst_proxy_pad_chain_default () at /usr/lib/libgstreamer-1.0.so.0
#6  0x00007fffe5bb7c07 in  () at /usr/lib/libgstreamer-1.0.so.0
#7  0x00007fffe5bbfdb2 in gst_pad_push () at /usr/lib/libgstreamer-1.0.so.0
#8  0x00007fff8ab854fa in  () at /usr/lib/gstreamer-1.0/libgstcoreelements.so
#9  0x00007fff8ab859e9 in  () at /usr/lib/gstreamer-1.0/libgstcoreelements.so
#10 0x00007fffe5bb7c07 in  () at /usr/lib/libgstreamer-1.0.so.0
#11 0x00007fffe5bbfdb2 in gst_pad_push () at /usr/lib/libgstreamer-1.0.so.0
#12 0x00007fff8ab76bae in  () at /usr/lib/gstreamer-1.0/libgstcoreelements.so
#13 0x00007fffe5bebb61 in  () at /usr/lib/libgstreamer-1.0.so.0
#14 0x00007fffe7c63b6e in  () at /usr/lib/libglib-2.0.so.0
#15 0x00007fffe7c63175 in  () at /usr/lib/libglib-2.0.so.0
#16 0x00007fffede50454 in start_thread () at /usr/lib/libpthread.so.0
#17 0x00007fffefe1e7df in clone () at /usr/lib/libc.so.6

Thread 19 (Thread 0x7fff6bfff700 (LWP 28334)):
#0  0x00007fffede560f7 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fffe79d44c8 in pa_threaded_mainloop_wait () at /usr/lib/libpulse.so.0
#2  0x00007fffa01ccaa2 in  () at /usr/lib/gstreamer-1.0/libgstpulse.so
#3  0x00007fffe4fe275d in  () at /usr/lib/libgstaudio-1.0.so.0
#4  0x00007fffe56fd83e in  () at /usr/lib/libgstbase-1.0.so.0
#5  0x00007fffe56fe9e0 in  () at /usr/lib/libgstbase-1.0.so.0
#6  0x00007fffe5bb7c07 in  () at /usr/lib/libgstreamer-1.0.so.0
#7  0x00007fffe5bbfdb2 in gst_pad_push () at /usr/lib/libgstreamer-1.0.so.0
#8  0x00007fffe5708970 in  () at /usr/lib/libgstbase-1.0.so.0
#9  0x00007fffe5bb7c07 in  () at /usr/lib/libgstreamer-1.0.so.0
#10 0x00007fffe5bbfdb2 in gst_pad_push () at /usr/lib/libgstreamer-1.0.so.0
#11 0x00007fffe5708970 in  () at /usr/lib/libgstbase-1.0.so.0
#12 0x00007fffe5bb7c07 in  () at /usr/lib/libgstreamer-1.0.so.0
#13 0x00007fffe5bbfdb2 in gst_pad_push () at /usr/lib/libgstreamer-1.0.so.0
#14 0x00007fffe5708970 in  () at /usr/lib/libgstbase-1.0.so.0
#15 0x00007fffe5bb7c07 in  () at /usr/lib/libgstreamer-1.0.so.0
#16 0x00007fffe5bbfdb2 in gst_pad_push () at /usr/lib/libgstreamer-1.0.so.0
#17 0x00007fff8ab76bae in  () at /usr/lib/gstreamer-1.0/libgstcoreelements.so
#18 0x00007fffe5bebb61 in  () at /usr/lib/libgstreamer-1.0.so.0
#19 0x00007fffe7c63b6e in  () at /usr/lib/libglib-2.0.so.0
#20 0x00007fffe7c63175 in  () at /usr/lib/libglib-2.0.so.0
#21 0x00007fffede50454 in start_thread () at /usr/lib/libpthread.so.0
#22 0x00007fffefe1e7df in clone () at /usr/lib/libc.so.6

Thread 18 (Thread 0x7fff67fff700 (LWP 28333)):
#0  0x00007fffede5610f in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007ffff080e58b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007ffff08074d3 in QSemaphore::acquire(int) () at /usr/lib/libQt5Core.so.5
#3  0x0000000000759a74 in  ()
#4  0x00007ffff6fee253 in mlt_events_fire () at /usr/lib/libmlt.so.6
#5  0x00007ffff6ff7a1b in mlt_consumer_rt_frame () at /usr/lib/libmlt.so.6
#6  0x00007fffbb9bbb10 in  () at /usr/lib/mlt/libmltsdl.so
#7  0x00007fffede50454 in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007fffefe1e7df in clone () at /usr/lib/libc.so.6

Thread 17 (Thread 0x7fff677fe700 (LWP 28332)):
#0  0x00007fffefe19f19 in syscall () at /usr/lib/libc.so.6
#1  0x00007fffe7c80faf in g_cond_wait () at /usr/lib/libglib-2.0.so.0
#2  0x00007fffe5718372 in  () at /usr/lib/libgstbase-1.0.so.0
#3  0x00007fffe5719690 in gst_data_queue_pop () at /usr/lib/libgstbase-1.0.so.0
#4  0x00007fff8ab718df in  () at /usr/lib/gstreamer-1.0/libgstcoreelements.so
#5  0x00007fffe5bebb61 in  () at /usr/lib/libgstreamer-1.0.so.0
#6  0x00007fffe7c63b6e in  () at /usr/lib/libglib-2.0.so.0
#7  0x00007fffe7c63175 in  () at /usr/lib/libglib-2.0.so.0
---Type <return> to continue, or q <return> to quit---
#8  0x00007fffede50454 in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007fffefe1e7df in clone () at /usr/lib/libc.so.6

Thread 15 (Thread 0x7fff88ebe700 (LWP 28330)):
#0  0x00007fffefe19f19 in syscall () at /usr/lib/libc.so.6
#1  0x00007fffe7c80faf in g_cond_wait () at /usr/lib/libglib-2.0.so.0
#2  0x00007fffe5bebd4d in  () at /usr/lib/libgstreamer-1.0.so.0
#3  0x00007fffe7c63b6e in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007fffe7c63175 in  () at /usr/lib/libglib-2.0.so.0
#5  0x00007fffede50454 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007fffefe1e7df in clone () at /usr/lib/libc.so.6

Thread 14 (Thread 0x7fff8a6b8700 (LWP 28328)):
#0  0x00007fffefe19f19 in syscall () at /usr/lib/libc.so.6
#1  0x00007fffe7c80faf in g_cond_wait () at /usr/lib/libglib-2.0.so.0
#2  0x00007fffe5bebd4d in  () at /usr/lib/libgstreamer-1.0.so.0
#3  0x00007fffe7c63b6e in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007fffe7c63175 in  () at /usr/lib/libglib-2.0.so.0
#5  0x00007fffede50454 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007fffefe1e7df in clone () at /usr/lib/libc.so.6

Thread 13 (Thread 0x7fff8bfff700 (LWP 28327)):
#0  0x00007fffefe1548d in poll () at /usr/lib/libc.so.6
#1  0x00007fffe79d3ee1 in  () at /usr/lib/libpulse.so.0
#2  0x00007fffe79c56f1 in pa_mainloop_poll () at /usr/lib/libpulse.so.0
#3  0x00007fffe79c5d8e in pa_mainloop_iterate () at /usr/lib/libpulse.so.0
#4  0x00007fffe79c5e40 in pa_mainloop_run () at /usr/lib/libpulse.so.0
#5  0x00007fffe79d3e29 in  () at /usr/lib/libpulse.so.0
#6  0x00007fffe1107fe8 in  () at /usr/lib/pulseaudio/libpulsecommon-10.0.so
#7  0x00007fffede50454 in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007fffefe1e7df in clone () at /usr/lib/libc.so.6

Thread 10 (Thread 0x7fffa1052700 (LWP 28324)):
#0  0x00007fffefe114ed in read () at /usr/lib/libc.so.6
#1  0x00007fffefda9a90 in __GI__IO_file_underflow () at /usr/lib/libc.so.6
#2  0x00007fffefd9e448 in getdelim () at /usr/lib/libc.so.6
#3  0x00007fffa167c104 in  () at /usr/lib/libspeechd.so.2
#4  0x00007fffa167c350 in  () at /usr/lib/libspeechd.so.2
#5  0x00007fffede50454 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007fffefe1e7df in clone () at /usr/lib/libc.so.6

Thread 9 (Thread 0x7fffa2a8d700 (LWP 28323)):
#0  0x00007fffefe1548d in poll () at /usr/lib/libc.so.6
#1  0x00007fffe7c3b7a6 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fffe7c3b8bc in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007ffff0a3d04f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007ffff09e689a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007ffff0808a73 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007ffff2439025 in  () at /usr/lib/libQt5Qml.so.5
#7  0x00007ffff080d6d8 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007fffede50454 in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007fffefe1e7df in clone () at /usr/lib/libc.so.6

Thread 8 (Thread 0x7fffa3770700 (LWP 28322)):
#0  0x00007fffede564b8 in pthread_cond_timedwait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007ffff080e4c6 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5
#2  0x00007ffff0809bc4 in  () at /usr/lib/libQt5Core.so.5
#3  0x00007ffff080d6d8 in  () at /usr/lib/libQt5Core.so.5
#4  0x00007fffede50454 in start_thread () at /usr/lib/libpthread.so.0
#5  0x00007fffefe1e7df in clone () at /usr/lib/libc.so.6

Thread 7 (Thread 0x7fffa4771700 (LWP 28321)):
#0  0x00007fffefe1548d in poll () at /usr/lib/libc.so.6
#1  0x00007fffe7c3b7a6 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fffe7c3b8bc in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007ffff0a3d04f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007ffff09e689a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007ffff0808a73 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007ffff2439025 in  () at /usr/lib/libQt5Qml.so.5
#7  0x00007ffff080d6d8 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007fffede50454 in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007fffefe1e7df in clone () at /usr/lib/libc.so.6

Thread 6 (Thread 0x7fffad5b7700 (LWP 28320)):
#0  0x00007fffefe1548d in poll () at /usr/lib/libc.so.6
#1  0x00007fffb364ed51 in  () at /usr/lib/libusb-1.0.so.0
#2  0x00007fffede50454 in start_thread () at /usr/lib/libpthread.so.0
#3  0x00007fffefe1e7df in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7fffd3b61700 (LWP 28319)):
#0  0x00007fffefe1548d in poll () at /usr/lib/libc.so.6
#1  0x00007fffe7c3b7a6 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fffe7c3b8bc in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007ffff0a3d04f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
---Type <return> to continue, or q <return> to quit---
#4  0x00007ffff09e689a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007ffff0808a73 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007ffff2ecb125 in  () at /usr/lib/libQt5DBus.so.5
#7  0x00007ffff080d6d8 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007fffede50454 in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007fffefe1e7df in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7fffd8930700 (LWP 28318)):
#0  0x00007fffede564b8 in pthread_cond_timedwait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fffda9dee44 in  () at /usr/lib/libGLX_nvidia.so.0
#2  0x00007fffd96fc394 in  () at /usr/lib/libnvidia-glcore.so.378.13
#3  0x00007fffda9de12c in  () at /usr/lib/libGLX_nvidia.so.0
#4  0x00007fffede50454 in start_thread () at /usr/lib/libpthread.so.0
#5  0x00007fffefe1e7df in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7fffdc5d0700 (LWP 28316)):
#0  0x00007fffefe1548d in poll () at /usr/lib/libc.so.6
#1  0x00007fffe757e8e0 in  () at /usr/lib/libxcb.so.1
#2  0x00007fffe7580679 in xcb_wait_for_event () at /usr/lib/libxcb.so.1
#3  0x00007fffdef56239 in  () at /usr/lib/libQt5XcbQpa.so.5
#4  0x00007ffff080d6d8 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007fffede50454 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007fffefe1e7df in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7ffff7ea6800 (LWP 28312)):
#0  0x00007fffefd6904f in raise () at /usr/lib/libc.so.6
#1  0x00007fffefd6a47a in abort () at /usr/lib/libc.so.6
#2  0x00007ffff07f3e21 in  () at /usr/lib/libQt5Core.so.5
#3  0x00007ffff6234083 in QSGRenderLoop::handleContextCreationFailure(QQuickWindow*, bool) () at /usr/lib/libQt5Quick.so.5
#4  0x00007ffff62352a6 in  () at /usr/lib/libQt5Quick.so.5
#5  0x00007ffff6235b25 in  () at /usr/lib/libQt5Quick.so.5
#6  0x00007ffff0f41d05 in QWindow::event(QEvent*) () at /usr/lib/libQt5Gui.so.5
#7  0x00007ffff62a24a5 in QQuickWindow::event(QEvent*) () at /usr/lib/libQt5Quick.so.5
#8  0x00007ffff1a5534c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#9  0x00007ffff1a5cb61 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#10 0x00007ffff09e8440 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#11 0x00007ffff0f36d2d in QGuiApplicationPrivate::processExposeEvent(QWindowSystemInterfacePrivate::ExposeEvent*) ()
    at /usr/lib/libQt5Gui.so.5
#12 0x00007ffff0f3793d in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) ()
    at /usr/lib/libQt5Gui.so.5
#13 0x00007ffff0f1344b in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
    at /usr/lib/libQt5Gui.so.5
#14 0x00007fffdefb69e0 in  () at /usr/lib/libQt5XcbQpa.so.5
#15 0x00007fffe7c3b5a7 in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#16 0x00007fffe7c3b810 in  () at /usr/lib/libglib-2.0.so.0
#17 0x00007fffe7c3b8bc in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#18 0x00007ffff0a3d04f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#19 0x00007ffff09e689a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#20 0x00007ffff09eede4 in QCoreApplication::exec() () at /usr/lib/libQt5Core.so.5
#21 0x000000000048fc66 in  ()
#22 0x00007fffefd56291 in __libc_start_main () at /usr/lib/libc.so.6
#23 0x000000000049038a in _start ()
Comment 1 Evert Vorster 2017-02-20 10:59:35 UTC 
Found the issue, it's not with kdenlive. 
Bug closed