https://bugs.kde.org/show_bug.cgi?id=375713

Premik <dospa...@centrum.cz> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |dospa...@centrum.cz

--- Comment #2 from Premik <dospa...@centrum.cz> ---
I'm getting very similar error on Arch Linux. Simply navigating on the timeline
back and forth involves a crash usualy in less than one minute giving: 
> GL error 0x502 (GL_INVALID_OPERATION) at effect_chain.cpp:1987


Application: 17.11.70 (kdenlive-git 17.11.70.r8553.fdbbf2127-1)
MLT version 6.5.0 (mlt-git r4507.1504542481.ecb09b14-1)
KDE Frameworks 5.36.0
Qt 5.9.1 (built against 5.9.1)
movit-git r815.6538edf-1

Althought the stacktrace is slightly different in my case:

#0  0x00007ff7bdb288c0 in raise () at /usr/lib/libc.so.6
#1  0x00007ff7bdb29f72 in abort () at /usr/lib/libc.so.6
#2  0x00007ff791eef54b in movit::abort_gl_error(unsigned int, char const*, int)
(err=<optimized out>, filename=filename@entry=0x7ff791f5700b
"effect_chain.cpp", line=line@entry=1987) at util.cpp:336
#3  0x00007ff791efec83 in movit::EffectChain::execute_phase(movit::Phase*,
bool, std::map<movit::Phase*, unsigned int, std::less<movit::Phase*>,
std::allocator<std::pair<movit::Phase* const, unsigned int> > >*,
std::set<movit::Phase*, std::less<movit::Phase*>, std::allocator<movit::Phase*>
>*) (this=this@entry=0x7ff71015a440, phase=<optimized out>, 
    phase@entry=0x7ff71015c0b0, last_phase=last_phase@entry=true,
output_textures=output_textures@entry=0x7ff764eae5a0,
generated_mipmaps=generated_mipmaps@entry=0x7ff764eae570) at
effect_chain.cpp:1987
#4  0x00007ff791efef6f in movit::EffectChain::render_to_fbo(unsigned int,
unsigned int, unsigned int) (this=this@entry=0x7ff71015a440, dest_fbo=2,
width=width@entry=1920, height=height@entry=1080) at effect_chain.cpp:1839
#5  0x00007ff792180cd5 in GlslManager::render_frame_rgba(movit::EffectChain*,
mlt_frame_s*, int, int, unsigned char**) (this=<optimized out>,
chain=chain@entry=0x7ff71015a440, frame=frame@entry=0x7ff69d73e110,
width=width@entry=1920, height=height@entry=1080,
image=image@entry=0x7ff764eae8c8) at filter_glsl_manager.cpp:473
#6  0x00007ff792183ba6 in movit_render (image=0x7ff764eae8c8, height=1080,
width=1920, output_format=mlt_image_rgb24a, format=0x101b5e26c,
frame=0x7ff69d73e110, chain=0x7ff71015a440) at filter_movit_convert.cpp:454
#7  0x00007ff792183ba6 in convert_image(mlt_frame, uint8_t**,
mlt_image_format*, mlt_image_format) (frame=0x7ff69d73e110,
image=0x7ff764eae8c8, format=0x101b5e26c, output_format=mlt_image_rgb24a) at
filter_movit_convert.cpp:573
#8  0x00007ff7c473f1e3 in mlt_frame_get_image (self=0x7ff69d73e110,
buffer=0x7ff764eae8c8, format=0x101b5e26c, width=0x7ff764eaecf4,
height=0x7ff764eaecf8, writable=1) at mlt_frame.c:623
#9  0x00007ff7c473f182 in mlt_frame_get_image (self=self@entry=0x7ff69d73e110,
buffer=buffer@entry=0x7ff764eae8c8, format=format@entry=0x101b5e26c,
width=width@entry=0x7ff764eaecf4, height=height@entry=0x7ff764eaecf8,
writable=writable@entry=1)
    at mlt_frame.c:617
#10 0x00007ff77c065a1d in get_image(mlt_frame, uint8_t**, mlt_image_format*,
int*, int*, int) (a_frame=a_frame@entry=0x7ff712fe91c0,
image=image@entry=0x7ff764eaed08, format=format@entry=0x101b5e26c,
width=width@entry=0x7ff764eaecf4, height=height@entry=0x7ff764eaecf8,
writable=writable@entry=0) at transition_qtblend.cpp:141
#11 0x00007ff7c473f182 in mlt_frame_get_image (self=self@entry=0x7ff712fe91c0,
buffer=buffer@entry=0x7ff764eaed08, format=format@entry=0x101b5e26c,
width=width@entry=0x7ff764eaecf4, height=height@entry=0x7ff764eaecf8,
writable=writable@entry=0)
    at mlt_frame.c:617
#12 0x00007ff7c4754e4b in producer_get_image (self=self@entry=0x7ff6cde2d790,
buffer=buffer@entry=0x7ff764eaed08, format=format@entry=0x101b5e26c,
width=width@entry=0x7ff764eaecf4, height=height@entry=0x7ff764eaecf8,
writable=writable@entry=0)
    at mlt_tractor.c:370
#13 0x00007ff7c473f182 in mlt_frame_get_image (self=self@entry=0x7ff6cde2d790,
buffer=buffer@entry=0x7ff764eaed08, format=format@entry=0x101b5e26c,
width=width@entry=0x7ff764eaecf4, height=height@entry=0x7ff764eaecf8,
writable=writable@entry=0)
    at mlt_frame.c:617
#14 0x00007ff77c058be6 in filter_get_image(mlt_frame, uint8_t**,
mlt_image_format*, int*, int*, int) (frame=frame@entry=0x7ff6cde2d790,
image=image@entry=0x7ff764eaed08, image_format=image_format@entry=0x101b5e26c,
width=width@entry=0x7ff764eaecf4, height=height@entry=0x7ff764eaecf8,
writable=writable@entry=0) at filter_audiowaveform.cpp:191
#15 0x00007ff7c473f182 in mlt_frame_get_image (self=self@entry=0x7ff6cde2d790,
buffer=buffer@entry=0x7ff764eaed08, format=format@entry=0x101b5e26c,
width=width@entry=0x7ff764eaecf4, height=height@entry=0x7ff764eaecf8,
writable=writable@entry=0)
    at mlt_frame.c:617
#16 0x00007ff7c4752308 in consumer_read_ahead_thread (arg=0x10293ff80) at
mlt_consumer.c:821
#17 0x000000010037c50e in RenderThread::run() (this=0x7ff7280008e0) at
/tmp/makepkg/kdenlive-git/src/kdenlive/src/monitor/glwidget.cpp:1282
#18 0x00007ff7be5e115b in  () at /usr/lib/libQt5Core.so.5
#19 0x00007ff7bbbf9049 in start_thread () at /usr/lib/libpthread.so.0
#20 0x00007ff7bdbe2f0f in clone () at /usr/lib/libc.so.6

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