[kde] [Bug 376466] New: Movit: crashed on Nvidia at preview

Aleksey Samoilov bugzilla_noreply at kde.org
Tue Feb 14 04:31:57 GMT 2017 

https://bugs.kde.org/show_bug.cgi?id=376466

            Bug ID: 376466
           Summary: Movit: crashed on Nvidia at preview
           Product: kde
           Version: unspecified
          Platform: unspecified
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: samoilov.lex at gmail.com
  Target Milestone: ---

Application: kdenlive (17.03.70)

Qt Version: 5.7.1
Frameworks Version: 5.30.0
Operating System: Linux 4.4.0-62-lowlatency x86_64
Distribution: KDE neon User Edition 5.9

-- Information about the crash:
A continuation of the bug #376433 . After enable Movit's GPU accelerated
effects, Kdenlive crashed with "Aborted" error at preview. I'm using Nvidia
GeForce 760 with 378.09 driver.

The crash can be reproduced every time.

-- Backtrace:
Application: Kdenlive (kdenlive), signal: Aborted
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
[Current thread is 1 (Thread 0x7f0bc92328c0 (LWP 7385))]

Thread 23 (Thread 0x7f0b1e199700 (LWP 7489)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x00007f0bafb6adc4 in ?? () from /usr/lib/nvidia-378/libGLX_nvidia.so.0
#2  0x00007f0bae888cd4 in ?? () from
/usr/lib/nvidia-378/libnvidia-glcore.so.378.09
#3  0x00007f0bafb6a0ac in ?? () from /usr/lib/nvidia-378/libGLX_nvidia.so.0
#4  0x00007f0bc11bf6ba in start_thread (arg=0x7f0b1e199700) at
pthread_create.c:333
#5  0x00007f0bc2b3882d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 22 (Thread 0x7f0b557fa700 (LWP 7488)):
[KCrash Handler]
#6  0x00007f0bc2a67428 in __GI_raise (sig=sig at entry=6) at
../sysdeps/unix/sysv/linux/raise.c:54
#7  0x00007f0bc2a6902a in __GI_abort () at abort.c:89
#8  0x00007f0b8b0948ad in movit::YCbCrInput::set_gl_state (this=0x7f0b58dc2ce0,
glsl_program_num=<optimized out>, prefix=..., sampler_num=0x7f0b557f9630) at
ycbcr_input.cpp:78
#9  0x00007f0b8b086838 in movit::EffectChain::execute_phase
(this=this at entry=0x7f0b58e76360, phase=phase at entry=0x7f0b58e78d00,
last_phase=<optimized out>,
bound_attribute_indices=bound_attribute_indices at entry=0x7f0b557f9740,
output_textures=output_textures at entry=0x7f0b557f97a0,
generated_mipmaps=generated_mipmaps at entry=0x7f0b557f9770) at
effect_chain.cpp:1876
#10 0x00007f0b8b086f70 in movit::EffectChain::render_to_fbo
(this=this at entry=0x7f0b58e76360, dest_fbo=2, width=width at entry=1280,
height=height at entry=720) at effect_chain.cpp:1753
#11 0x00007f0b8b2f3a12 in GlslManager::render_frame_rgba (this=<optimized out>,
chain=chain at entry=0x7f0b58e76360, frame=frame at entry=0x7f0b50c99dd0,
width=width at entry=1280, height=height at entry=720,
image=image at entry=0x7f0b557f9af8) at filter_glsl_manager.cpp:451
#12 0x00007f0b8b2f4a49 in movit_render (chain=0x7f0b58e76360,
frame=0x7f0b50c99dd0, format=0x49cf74c, output_format=mlt_image_rgb24a,
width=1280, height=720, image=0x7f0b557f9af8) at filter_movit_convert.cpp:454
#13 0x00007f0b8b2f6802 in convert_image (frame=0x7f0b50c99dd0,
image=0x7f0b557f9af8, format=0x49cf74c, output_format=mlt_image_rgb24a) at
filter_movit_convert.cpp:573
#14 0x00007f0bc8439ad8 in mlt_frame_get_image (self=0x7f0b50c99dd0,
buffer=0x7f0b557f9af8, format=0x49cf74c, width=0x7f0b557f9cc4,
height=0x7f0b557f9cc8, writable=0) at mlt_frame.c:591
#15 0x00007f0bc8439a87 in mlt_frame_get_image (self=self at entry=0x7f0b50c99dd0,
buffer=buffer at entry=0x7f0b557f9af8, format=format at entry=0x49cf74c,
width=width at entry=0x7f0b557f9cc4, height=height at entry=0x7f0b557f9cc8,
writable=writable at entry=0) at mlt_frame.c:585
#16 0x00007f0b8a950b97 in transition_get_image
(a_frame=a_frame at entry=0x7f0b50c94a00, image=image at entry=0x7f0b557f9cd8,
format=format at entry=0x49cf74c, width=width at entry=0x7f0b557f9cc4,
height=height at entry=0x7f0b557f9cc8, writable=writable at entry=0) at
transition_frei0r.c:47
#17 0x00007f0bc8439a87 in mlt_frame_get_image (self=self at entry=0x7f0b50c94a00,
buffer=buffer at entry=0x7f0b557f9cd8, format=format at entry=0x49cf74c,
width=width at entry=0x7f0b557f9cc4, height=height at entry=0x7f0b557f9cc8,
writable=writable at entry=0) at mlt_frame.c:585
#18 0x00007f0bc844fbc9 in producer_get_image (self=self at entry=0x7f0b5001f4f0,
buffer=buffer at entry=0x7f0b557f9cd8, format=format at entry=0x49cf74c,
width=width at entry=0x7f0b557f9cc4, height=height at entry=0x7f0b557f9cc8,
writable=writable at entry=0) at mlt_tractor.c:370
#19 0x00007f0bc8439a87 in mlt_frame_get_image (self=self at entry=0x7f0b5001f4f0,
buffer=buffer at entry=0x7f0b557f9cd8, format=format at entry=0x49cf74c,
width=width at entry=0x7f0b557f9cc4, height=height at entry=0x7f0b557f9cc8,
writable=writable at entry=0) at mlt_frame.c:585
#20 0x00007f0bc844d354 in consumer_read_ahead_thread (arg=0x52d2790) at
mlt_consumer.c:825
#21 0x000000000074305d in RenderThread::run (this=0x7f0afcc60230) at
/build/kdenlive-dzB926/kdenlive-17.03+git201702090011~ubuntu16.04.1/src/monitor/glwidget.cpp:1291
#22 0x00007f0bc3534b48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#23 0x00007f0bc11bf6ba in start_thread (arg=0x7f0b557fa700) at
pthread_create.c:333
#24 0x00007f0bc2b3882d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 21 (Thread 0x7f0b567fc700 (LWP 7487)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x00007f0bafb6adc4 in ?? () from /usr/lib/nvidia-378/libGLX_nvidia.so.0
#2  0x00007f0bae888cd4 in ?? () from
/usr/lib/nvidia-378/libnvidia-glcore.so.378.09
#3  0x00007f0bafb6a0ac in ?? () from /usr/lib/nvidia-378/libGLX_nvidia.so.0
#4  0x00007f0bc11bf6ba in start_thread (arg=0x7f0b567fc700) at
pthread_create.c:333
#5  0x00007f0bc2b3882d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 20 (Thread 0x7f0b3cafa700 (LWP 7486)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f0bc844d5db in mlt_consumer_rt_frame (self=self at entry=0x52d2790) at
mlt_consumer.c:1576
#2  0x00007f0b8b508d90 in consumer_thread (arg=0x52d2790) at
consumer_sdl_audio.c:531
#3  0x00007f0bc11bf6ba in start_thread (arg=0x7f0b3cafa700) at
pthread_create.c:333
#4  0x00007f0bc2b3882d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 19 (Thread 0x7f0ae985a700 (LWP 7481)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f0b9f0cf68e in ?? () from
/usr/lib/x86_64-linux-gnu/libavcodec-ffmpeg.so.56
#2  0x00007f0bc11bf6ba in start_thread (arg=0x7f0ae985a700) at
pthread_create.c:333
#3  0x00007f0bc2b3882d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 18 (Thread 0x7f0aea05b700 (LWP 7480)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f0b9f0cf68e in ?? () from
/usr/lib/x86_64-linux-gnu/libavcodec-ffmpeg.so.56
#2  0x00007f0bc11bf6ba in start_thread (arg=0x7f0aea05b700) at
pthread_create.c:333
#3  0x00007f0bc2b3882d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 17 (Thread 0x7f0b04e11700 (LWP 7479)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f0b9f0cf68e in ?? () from
/usr/lib/x86_64-linux-gnu/libavcodec-ffmpeg.so.56
#2  0x00007f0bc11bf6ba in start_thread (arg=0x7f0b04e11700) at
pthread_create.c:333
#3  0x00007f0bc2b3882d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 16 (Thread 0x7f0b14b50700 (LWP 7478)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f0b9f0cf68e in ?? () from
/usr/lib/x86_64-linux-gnu/libavcodec-ffmpeg.so.56
#2  0x00007f0bc11bf6ba in start_thread (arg=0x7f0b14b50700) at
pthread_create.c:333
#3  0x00007f0bc2b3882d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 15 (Thread 0x7f0b257fa700 (LWP 7477)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f0b9f0cf68e in ?? () from
/usr/lib/x86_64-linux-gnu/libavcodec-ffmpeg.so.56
#2  0x00007f0bc11bf6ba in start_thread (arg=0x7f0b257fa700) at
pthread_create.c:333
#3  0x00007f0bc2b3882d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 14 (Thread 0x7f0b25ffb700 (LWP 7468)):
#0  0x00007f0bc2b2cb5d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f0bbdffe38c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f0bbdffe49c in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f0bc375575b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f0bc37000ba in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f0bc352ff64 in QThread::exec() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f0bc3534b48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f0bc11bf6ba in start_thread (arg=0x7f0b25ffb700) at
pthread_create.c:333
#8  0x00007f0bc2b3882d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 13 (Thread 0x7f0b3effd700 (LWP 7440)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x00007f0bafb6adc4 in ?? () from /usr/lib/nvidia-378/libGLX_nvidia.so.0
#2  0x00007f0bae888cd4 in ?? () from
/usr/lib/nvidia-378/libnvidia-glcore.so.378.09
#3  0x00007f0bafb6a0ac in ?? () from /usr/lib/nvidia-378/libGLX_nvidia.so.0
#4  0x00007f0bc11bf6ba in start_thread (arg=0x7f0b3effd700) at
pthread_create.c:333
#5  0x00007f0bc2b3882d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 12 (Thread 0x7f0b56ffd700 (LWP 7406)):
#0  0x00007f0bc35da23a in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#1  0x00007f0bc37533d9 in QTimerInfoList::updateCurrentTime() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f0bc3753945 in QTimerInfoList::timerWait(timespec&) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007f0bc3754d0e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f0bbdffd91d in g_main_context_prepare () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f0bbdffe2bb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f0bbdffe49c in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f0bc375575b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f0bc37000ba in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f0bc352ff64 in QThread::exec() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f0bc3534b48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f0bc11bf6ba in start_thread (arg=0x7f0b56ffd700) at
pthread_create.c:333
#12 0x00007f0bc2b3882d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 11 (Thread 0x7f0b577fe700 (LWP 7405)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x00007f0bafb6adc4 in ?? () from /usr/lib/nvidia-378/libGLX_nvidia.so.0
#2  0x00007f0bae888cd4 in ?? () from
/usr/lib/nvidia-378/libnvidia-glcore.so.378.09
#3  0x00007f0bafb6a0ac in ?? () from /usr/lib/nvidia-378/libGLX_nvidia.so.0
#4  0x00007f0bc11bf6ba in start_thread (arg=0x7f0b577fe700) at
pthread_create.c:333
#5  0x00007f0bc2b3882d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 10 (Thread 0x7f0b57fff700 (LWP 7404)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f0bc35359fb in QWaitCondition::wait(QMutex*, unsigned long) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f0bc7af147d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#3  0x00007f0bc7af1d55 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007f0bc3534b48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f0bc11bf6ba in start_thread (arg=0x7f0b57fff700) at
pthread_create.c:333
#6  0x00007f0bc2b3882d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 9 (Thread 0x7f0b6f2c2700 (LWP 7400)):
#0  0x00007f0bba9215b5 in pa_fdsem_before_poll () from
/usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-8.0.so
#1  0x00007f0bba938027 in ?? () from
/usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-8.0.so
#2  0x00007f0bbdb600b7 in pa_mainloop_dispatch () from
/usr/lib/x86_64-linux-gnu/libpulse.so.0
#3  0x00007f0bbdb604bc in pa_mainloop_iterate () from
/usr/lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007f0bbdb60560 in pa_mainloop_run () from
/usr/lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007f0bbdb6e7a9 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#6  0x00007f0bba948078 in ?? () from
/usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-8.0.so
#7  0x00007f0bc11bf6ba in start_thread (arg=0x7f0b6f2c2700) at
pthread_create.c:333
#8  0x00007f0bc2b3882d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 8 (Thread 0x7f0b816db700 (LWP 7398)):
#0  0x00007f0bc2b2cb5d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f0bbdffe38c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f0bbdffe49c in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f0bc375575b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f0bc37000ba in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f0bc352ff64 in QThread::exec() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f0bc42babf5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f0bc3534b48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f0bc11bf6ba in start_thread (arg=0x7f0b816db700) at
pthread_create.c:333
#9  0x00007f0bc2b3882d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7f0b81efc700 (LWP 7397)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x00007f0bc3535936 in QWaitCondition::wait(QMutex*, unsigned long) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f0bc35311ea in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007f0bc3534b48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f0bc11bf6ba in start_thread (arg=0x7f0b81efc700) at
pthread_create.c:333
#5  0x00007f0bc2b3882d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7f0b82efd700 (LWP 7396)):
#0  0x00007f0bc3754c80 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#1  0x00007f0bbdffd91d in g_main_context_prepare () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f0bbdffe2bb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f0bbdffe49c in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f0bc375575b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f0bc37000ba in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f0bc352ff64 in QThread::exec() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f0bc42babf5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f0bc3534b48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f0bc11bf6ba in start_thread (arg=0x7f0b82efd700) at
pthread_create.c:333
#10 0x00007f0bc2b3882d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7f0b883b1700 (LWP 7394)):
#0  0x00007f0bc2b2cb5d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f0b9184364c in ?? () from /lib/x86_64-linux-gnu/libusb-1.0.so.0
#2  0x00007f0bc11bf6ba in start_thread (arg=0x7f0b883b1700) at
pthread_create.c:333
#3  0x00007f0bc2b3882d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7f0baca58700 (LWP 7390)):
#0  0x00007f0bc2b2cb5d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f0bbdffe38c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f0bbdffe49c in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f0bc375575b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f0bc37000ba in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f0bc352ff64 in QThread::exec() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f0bc92e7735 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f0bc3534b48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f0bc11bf6ba in start_thread (arg=0x7f0baca58700) at
pthread_create.c:333
#9  0x00007f0bc2b3882d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f0badabd700 (LWP 7389)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x00007f0bafb6adc4 in ?? () from /usr/lib/nvidia-378/libGLX_nvidia.so.0
#2  0x00007f0bae888cd4 in ?? () from
/usr/lib/nvidia-378/libnvidia-glcore.so.378.09
#3  0x00007f0bafb6a0ac in ?? () from /usr/lib/nvidia-378/libGLX_nvidia.so.0
#4  0x00007f0bc11bf6ba in start_thread (arg=0x7f0badabd700) at
pthread_create.c:333
#5  0x00007f0bc2b3882d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f0bb5874700 (LWP 7387)):
#0  0x00007f0bc2b2cb5d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f0bbd71ec62 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f0bbd7208d7 in xcb_wait_for_event () from
/usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f0bb83fed79 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f0bc3534b48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f0bc11bf6ba in start_thread (arg=0x7f0bb5874700) at
pthread_create.c:333
#6  0x00007f0bc2b3882d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f0bc92328c0 (LWP 7385)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f0bbd71eeb9 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f0bbd720617 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f0bbd720721 in xcb_wait_for_reply () from
/usr/lib/x86_64-linux-gnu/libxcb.so.1
#4  0x00007f0bb83fde6a in QXcbConnection::sync() () from
/usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#5  0x00007f0bb841cbc0 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#6  0x00007f0bb841cc9a in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#7  0x00007f0bc3bd8769 in QBackingStore::beginPaint(QRegion const&) () from
/usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#8  0x00007f0bc4c91e08 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#9  0x00007f0bc4c921dd in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#10 0x00007f0bc4cb0ebf in QWidgetPrivate::syncBackingStore() () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#11 0x00007f0bc4cc9008 in QWidget::event(QEvent*) () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#12 0x00007f0bc4dc6e3b in QMainWindow::event(QEvent*) () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#13 0x00007f0bc698ff57 in KMainWindow::event(QEvent*) () from
/usr/lib/x86_64-linux-gnu/libKF5XmlGui.so.5
#14 0x00007f0bc69d5085 in KXmlGuiWindow::event(QEvent*) () from
/usr/lib/x86_64-linux-gnu/libKF5XmlGui.so.5
#15 0x00007f0bc4c81ecc in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#16 0x00007f0bc4c898c6 in QApplication::notify(QObject*, QEvent*) () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#17 0x00007f0bc37020c8 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x00007f0bc370478b in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x00007f0bc3755333 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#20 0x00007f0bbdffe197 in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007f0bbdffe3f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007f0bbdffe49c in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007f0bc375573f in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#24 0x00007f0bc37000ba in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#25 0x00007f0bc37086cc in QCoreApplication::exec() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#26 0x000000000048ee9a in main (argc=1, argv=<optimized out>) at
/build/kdenlive-dzB926/kdenlive-17.03+git201702090011~ubuntu16.04.1/src/main.cpp:160

Reported using DrKonqi

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