Package: kdenlive Version: 15.08.2-1 Severity: normal Tags: upstream Dear Maintainer,
*** Reporter, please consider answering these questions, where appropriate *** * What led up to the situation? Playback in Project Monitor - project was migrated from kdenlive-0.9.x - during playback of effect "fade to black" * What exactly did you do (or not do) that was effective (or ineffective)? just watching... * What was the outcome of this action? Segmentation fault * What outcome did you expect instead? No Segmentation fault Backtrace: GNU gdb (Debian 7.10-1) 7.10 Copyright (C) 2015 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-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...Reading symbols from /usr/lib/debug/.build- id/d9/58a95ce49b75e8a932b078005bc99937f602e5.debug...done. done. (gdb) run Starting program: /usr/bin/kdenlive [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". [New Thread 0x7fffe0e0a700 (LWP 2784)] [New Thread 0x7fffc072f700 (LWP 2785)] [New Thread 0x7fffbcc0d700 (LWP 2786)] [New Thread 0x7fffb77ff700 (LWP 2787)] Invalid playlist Removing cache at "/home/florian/.cache/kdenlive-thumbs.kcache" Invalid playlist QCursor: Cannot create bitmap cursor; invalid bitmap(s) [New Thread 0x7fffb5e65700 (LWP 2788)] [Thread 0x7fffb5e65700 (LWP 2788) exited] [New Thread 0x7fffb5e65700 (LWP 2789)] [New Thread 0x7fffb48d4700 (LWP 2790)] [New Thread 0x7fffafeff700 (LWP 2791)] [New Thread 0x7fffaf6fe700 (LWP 2792)] [New Thread 0x7fffaedfd700 (LWP 2793)] [New Thread 0x7fffae5fc700 (LWP 2794)] [New Thread 0x7fffaddfb700 (LWP 2795)] [New Thread 0x7fffad179700 (LWP 2796)] [Thread 0x7fffad179700 (LWP 2796) exited] [Thread 0x7fffb5e65700 (LWP 2789) exited] [Thread 0x7fffaddfb700 (LWP 2795) exited] Invalid playlist [Thread 0x7fffae5fc700 (LWP 2794) exited] Removing cache at "/home/florian/.cache/kdenlive-thumbs.kcache" // / processing file open // / processing file open: validate Opening a document with version 0.91 / 0.91 // / processing file validate ok Invalid playlist QCursor: Cannot create bitmap cursor; invalid bitmap(s) [New Thread 0x7fffae5fc700 (LWP 2797)] [New Thread 0x7fffaddfb700 (LWP 2798)] [New Thread 0x7fffb5e65700 (LWP 2799)] [New Thread 0x7fffad179700 (LWP 2800)] *********** FOUND GUIDES: 0 ********** [New Thread 0x7fff8bffe700 (LWP 2801)] [Thread 0x7fff8bffe700 (LWP 2801) exited] [New Thread 0x7fff8bffe700 (LWP 2802)] [New Thread 0x7fff8ffff700 (LWP 2803)] [New Thread 0x7fff8f7fe700 (LWP 2804)] [New Thread 0x7fff8edfd700 (LWP 2805)] [New Thread 0x7fff8e5fc700 (LWP 2806)] [New Thread 0x7fff8ddfb700 (LWP 2807)] [New Thread 0x7fff8d5fa700 (LWP 2808)] [New Thread 0x7fff8cdf9700 (LWP 2809)] [New Thread 0x7fff877fc700 (LWP 2810)] [Thread 0x7fffad179700 (LWP 2800) exited] [Thread 0x7fffb5e65700 (LWP 2799) exited] [Thread 0x7fffaddfb700 (LWP 2798) exited] [Thread 0x7fffae5fc700 (LWP 2797) exited] [New Thread 0x7fffaddfb700 (LWP 2814)] [New Thread 0x7fffae5fc700 (LWP 2815)] [New Thread 0x7fffb5e65700 (LWP 2816)] [New Thread 0x7fffad179700 (LWP 2817)] [New Thread 0x7fff86bfb700 (LWP 2818)] Program received signal SIGSEGV, Segmentation fault. [Switching to Thread 0x7fff8ffff700 (LWP 2803)] 0x00007fffe31c91dc in QFontEngineFT::shouldUseDesignMetrics(QFlags<QFontEngine::ShaperFlag>) const () from /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqxcb.so (gdb) thread apply all bt Thread 33 (Thread 0x7fff86bfb700 (LWP 2818)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at .../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007fffd6fac1ae in ?? () from /usr/lib/x86_64-linux-gnu/libavcodec- ffmpeg.so.56 #2 0x00007fffec2b10a4 in start_thread (arg=0x7fff86bfb700) at pthread_create.c:309 #3 0x00007ffff001006d in clone () at .../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 32 (Thread 0x7fffad179700 (LWP 2817)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at .../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007fffd6fac1ae in ?? () from /usr/lib/x86_64-linux-gnu/libavcodec- ffmpeg.so.56 #2 0x00007fffec2b10a4 in start_thread (arg=0x7fffad179700) at pthread_create.c:309 #3 0x00007ffff001006d in clone () at .../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 31 (Thread 0x7fffb5e65700 (LWP 2816)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at .../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007fffd6fac1ae in ?? () from /usr/lib/x86_64-linux-gnu/libavcodec- ffmpeg.so.56 #2 0x00007fffec2b10a4 in start_thread (arg=0x7fffb5e65700) at pthread_create.c:309 #3 0x00007ffff001006d in clone () at .../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 30 (Thread 0x7fffae5fc700 (LWP 2815)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at .../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007fffd6fac1ae in ?? () from /usr/lib/x86_64-linux-gnu/libavcodec- ffmpeg.so.56 #2 0x00007fffec2b10a4 in start_thread (arg=0x7fffae5fc700) at pthread_create.c:309 #3 0x00007ffff001006d in clone () at .../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 29 (Thread 0x7fffaddfb700 (LWP 2814)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at .../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007fffd6fac1ae in ?? () from /usr/lib/x86_64-linux-gnu/libavcodec- ffmpeg.so.56 #2 0x00007fffec2b10a4 in start_thread (arg=0x7fffaddfb700) at pthread_create.c:309 #3 0x00007ffff001006d in clone () at .../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 28 (Thread 0x7fff877fc700 (LWP 2810)): #0 0x00007fffeffe170d in nanosleep () at ../sysdeps/unix/syscall-template.S:81 #1 0x00007fffc362cd91 in video_thread (arg=0x252a820) at consumer_sdl_audio.c:446 #2 0x00007fffec2b10a4 in start_thread (arg=0x7fff877fc700) at pthread_create.c:309 #3 0x00007ffff001006d in clone () at .../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 27 (Thread 0x7fff8cdf9700 (LWP 2809)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at .../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007fffd6fac1ae in ?? () from /usr/lib/x86_64-linux-gnu/libavcodec- ffmpeg.so.56 #2 0x00007fffec2b10a4 in start_thread (arg=0x7fff8cdf9700) at pthread_create.c:309 #3 0x00007ffff001006d in clone () at .../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 26 (Thread 0x7fff8d5fa700 (LWP 2808)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at .../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007fffd6fac1ae in ?? () from /usr/lib/x86_64-linux-gnu/libavcodec- ffmpeg.so.56 #2 0x00007fffec2b10a4 in start_thread (arg=0x7fff8d5fa700) at pthread_create.c:309 #3 0x00007ffff001006d in clone () at .../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 25 (Thread 0x7fff8ddfb700 (LWP 2807)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at .../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007fffd6fac1ae in ?? () from /usr/lib/x86_64-linux-gnu/libavcodec- ffmpeg.so.56 #2 0x00007fffec2b10a4 in start_thread (arg=0x7fff8ddfb700) at pthread_create.c:309 ---Type <return> to continue, or q <return> to quit--- #3 0x00007ffff001006d in clone () at .../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 24 (Thread 0x7fff8e5fc700 (LWP 2806)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at .../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007fffd6fac1ae in ?? () from /usr/lib/x86_64-linux-gnu/libavcodec- ffmpeg.so.56 #2 0x00007fffec2b10a4 in start_thread (arg=0x7fff8e5fc700) at pthread_create.c:309 #3 0x00007ffff001006d in clone () at .../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 23 (Thread 0x7fff8edfd700 (LWP 2805)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at .../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007fffd6fac1ae in ?? () from /usr/lib/x86_64-linux-gnu/libavcodec- ffmpeg.so.56 #2 0x00007fffec2b10a4 in start_thread (arg=0x7fff8edfd700) at pthread_create.c:309 #3 0x00007ffff001006d in clone () at .../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 22 (Thread 0x7fff8f7fe700 (LWP 2804)): #0 0x00007ffff00075ef in __GI_ppoll (fds=0x7fff700074b0, nfds=3, timeout=<optimized out>, sigmask=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:56 #1 0x00007fffe92afefd in pa_mainloop_poll () from /usr/lib/x86_64-linux- gnu/libpulse.so.0 #2 0x00007fffe92b04ee in pa_mainloop_iterate () from /usr/lib/x86_64-linux- gnu/libpulse.so.0 #3 0x00007fffd06a25ab in ?? () from /usr/lib/x86_64-linux-gnu/libSDL-1.2.so.0 #4 0x00007fffd0675a20 in ?? () from /usr/lib/x86_64-linux-gnu/libSDL-1.2.so.0 #5 0x00007fffd067e2f8 in ?? () from /usr/lib/x86_64-linux-gnu/libSDL-1.2.so.0 #6 0x00007fffd06c0e99 in ?? () from /usr/lib/x86_64-linux-gnu/libSDL-1.2.so.0 #7 0x00007fffec2b10a4 in start_thread (arg=0x7fff8f7fe700) at pthread_create.c:309 #8 0x00007ffff001006d in clone () at .../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 21 (Thread 0x7fff8ffff700 (LWP 2803)): #0 0x00007fffe31c91dc in QFontEngineFT::shouldUseDesignMetrics(QFlags<QFontEngine::ShaperFlag>) const () from /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqxcb.so #1 0x00007fffe31cc35b in QFontEngineFT::recalcAdvances(QGlyphLayout*, QFlags<QFontEngine::ShaperFlag>) const () from /usr/lib/x86_64-linux- gnu/qt5/plugins/platforms/libqxcb.so #2 0x00007ffff1297419 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5 #3 0x00007fffe9f64097 in ?? () from /usr/lib/x86_64-linux-gnu/libharfbuzz.so.0 #4 0x00007fffe9f4730a in hb_shape_plan_execute () from /usr/lib/x86_64-linux- gnu/libharfbuzz.so.0 #5 0x00007fffe9f46831 in hb_shape_full () from /usr/lib/x86_64-linux- gnu/libharfbuzz.so.0 #6 0x00007ffff11d8286 in QTextEngine::shapeTextWithHarfbuzzNG(QScriptItem const&, unsigned short const*, int, QFontEngine*, QVector<unsigned int> const&, bool) const () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5 #7 0x00007ffff11db4c0 in QTextEngine::shapeText(int) const () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5 #8 0x00007ffff11dc04f in QTextEngine::shape(int) const () from /usr/lib/x86_64 -linux-gnu/libQt5Gui.so.5 #9 0x00007ffff11e1864 in QTextEngine::shapeLine(QScriptLine const&) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5 #10 0x00007ffff11e401f in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5 #11 0x00007ffff11e9982 in QTextLine::draw(QPainter*, QPointF const&, QTextLayout::FormatRange const*) const () from /usr/lib/x86_64-linux- gnu/libQt5Gui.so.5 #12 0x00007ffff11eadfd in QTextLayout::draw(QPainter*, QPointF const&, QVector<QTextLayout::FormatRange> const&, QRectF const&) const () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5 #13 0x00007ffff122dd09 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5 #14 0x00007ffff1236413 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5 #15 0x00007ffff1235e3e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5 #16 0x00007ffff1238992 in QTextDocumentLayout::draw(QPainter*, QAbstractTextDocumentLayout::PaintContext const&) () from /usr/lib/x86_64 -linux-gnu/libQt5Gui.so.5 #17 0x00007ffff2279c5c in QWidgetTextControl::drawContents(QPainter*, QRectF const&, QWidget*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #18 0x00007ffff2395f0a in QGraphicsTextItem::paint(QPainter*, QStyleOptionGraphicsItem const*, QWidget*) () from /usr/lib/x86_64-linux- gnu/libQt5Widgets.so.5 #19 0x00007ffff23d0e30 in ?? () from /usr/lib/x86_64-linux- gnu/libQt5Widgets.so.5 #20 0x00007ffff23d1f03 in ?? () from /usr/lib/x86_64-linux- gnu/libQt5Widgets.so.5 #21 0x00007ffff23d268a in QGraphicsScene::drawItems(QPainter*, int, QGraphicsItem**, QStyleOptionGraphicsItem const*, QWidget*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #22 0x00007ffff23c06f3 in QGraphicsScene::render(QPainter*, QRectF const&, QRectF const&, Qt::AspectRatioMode) () from /usr/lib/x86_64-linux- gnu/libQt5Widgets.so.5 #23 0x00007fffc78bdd85 in drawKdenliveTitle (self=self@entry=0x2f1c360, frame=frame@entry=0x7fff76856360, width=1280, height=720, position=0, force_refresh=<optimized out>) at kdenlivetitle_wrapper.cpp:459 #24 0x00007fffc78b33a8 in producer_get_image (frame=frame@entry=0x7fff76856360, buffer=buffer@entry=0x7fff8fffec58, format=format@entry=0x253992c, width=width@entry=0x7fff8fffe98c, height=height@entry=0x7fff8fffe990, writable=writable@entry=0) at producer_kdenlivetitle.c:91 ---Type <return> to continue, or q <return> to quit--- #25 0x00007ffff681a747 in mlt_frame_get_image (self=self@entry=0x7fff76856360, buffer=buffer@entry=0x7fff8fffec58, format=format@entry=0x253992c, width=width@entry=0x7fff8fffe98c, height=height@entry=0x7fff8fffe990, writable=writable@entry=0) at mlt_frame.c:585 #26 0x00007fffc6e58f71 in filter_get_image (frame=frame@entry=0x7fff76856360, image=image@entry=0x7fff8fffec58, format=format@entry=0x253992c, width=width@entry=0x7fff8fffe98c, height=height@entry=0x7fff8fffe990, writable=writable@entry=0) at filter_deinterlace.c:245 #27 0x00007ffff681a747 in mlt_frame_get_image (self=self@entry=0x7fff76856360, buffer=buffer@entry=0x7fff8fffec58, format=format@entry=0x253992c, width=width@entry=0x7fff8fffe98c, height=height@entry=0x7fff8fffe990, writable=writable@entry=0) at mlt_frame.c:585 #28 0x00007fffc7487aa7 in get_image (frame=frame@entry=0x7fff76856360, image=image@entry=0x7fff8fffec58, format=format@entry=0x253992c, width=width@entry=0x7fff8fffe98c, height=height@entry=0x7fff8fffe990, writable=writable@entry=0) at filter_fieldorder.c:33 #29 0x00007ffff681a747 in mlt_frame_get_image (self=self@entry=0x7fff76856360, buffer=buffer@entry=0x7fff8fffec58, format=format@entry=0x253992c, width=width@entry=0x7fff8fffe98c, height=height@entry=0x7fff8fffe990, writable=writable@entry=0) at mlt_frame.c:585 #30 0x00007fffc748666e in filter_get_image (frame=frame@entry=0x7fff76856360, image=image@entry=0x7fff8fffec58, format=format@entry=0x253992c, width=width@entry=0x7fff8fffe98c, height=height@entry=0x7fff8fffe990, writable=writable@entry=0) at filter_crop.c:76 #31 0x00007ffff681a747 in mlt_frame_get_image (self=self@entry=0x7fff76856360, buffer=buffer@entry=0x7fff8fffec58, format=format@entry=0x253992c, width=width@entry=0x7fff8fffe98c, height=height@entry=0x7fff8fffe990, writable=writable@entry=0) at mlt_frame.c:585 #32 0x00007fffc748bd02 in filter_get_image (frame=frame@entry=0x7fff76856360, image=image@entry=0x7fff8fffec58, format=format@entry=0x253992c, width=width@entry=0x7fff8fffea78, height=height@entry=0x7fff8fffea7c, writable=writable@entry=0) at filter_rescale.c:216 #33 0x00007ffff681a747 in mlt_frame_get_image (self=self@entry=0x7fff76856360, buffer=buffer@entry=0x7fff8fffec58, format=format@entry=0x253992c, width=width@entry=0x7fff8fffea78, height=height@entry=0x7fff8fffea7c, writable=writable@entry=0) at mlt_frame.c:585 #34 0x00007fffc748c24a in filter_get_image (frame=frame@entry=0x7fff76856360, image=image@entry=0x7fff8fffec58, format=format@entry=0x253992c, width=width@entry=0x7fff8fffec44, height=height@entry=0x7fff8fffec48, writable=writable@entry=0) at filter_resize.c:270 #35 0x00007ffff681a747 in mlt_frame_get_image (self=self@entry=0x7fff76856360, buffer=buffer@entry=0x7fff8fffec58, format=format@entry=0x253992c, width=width@entry=0x7fff8fffec44, height=height@entry=0x7fff8fffec48, writable=writable@entry=0) at mlt_frame.c:585 #36 0x00007ffff6830569 in producer_get_image (self=self@entry=0x7fff7684b000, buffer=buffer@entry=0x7fff8fffec58, format=format@entry=0x253992c, width=width@entry=0x7fff8fffec44, height=height@entry=0x7fff8fffec48, writable=writable@entry=0) at mlt_tractor.c:370 #37 0x00007ffff681a747 in mlt_frame_get_image (self=self@entry=0x7fff7684b000, buffer=buffer@entry=0x7fff8fffec58, format=format@entry=0x253992c, width=width@entry=0x7fff8fffec44, height=height@entry=0x7fff8fffec48, writable=writable@entry=0) at mlt_frame.c:585 #38 0x00007ffff682dcc0 in consumer_read_ahead_thread (arg=0x252a820) at mlt_consumer.c:896 #39 0x000000000073a9dd in RenderThread::run (this=0x7fff70000c30) at /tmp/buildd/kdenlive-15.08.2/src/monitor/glwidget.cpp:1121 #40 0x00007ffff0c0725e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #41 0x00007fffec2b10a4 in start_thread (arg=0x7fff8ffff700) at pthread_create.c:309 #42 0x00007ffff001006d in clone () at .../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 20 (Thread 0x7fff8bffe700 (LWP 2802)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at .../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007fffc362d508 in consumer_play_audio (duration=<synthetic pointer>, init_audio=<optimized out>, frame=0x7fff766c6500, self=0x252a820) at consumer_sdl_audio.c:355 #2 consumer_thread (arg=0x252a820) at consumer_sdl_audio.c:538 #3 0x00007fffec2b10a4 in start_thread (arg=0x7fff8bffe700) at pthread_create.c:309 #4 0x00007ffff001006d in clone () at .../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 11 (Thread 0x7fffaedfd700 (LWP 2793)): #0 0x00007ffff000752d in poll () at ../sysdeps/unix/syscall-template.S:81 #1 0x00007fffea8671dc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007fffea8672ec in g_main_context_iteration () from /lib/x86_64-linux- gnu/libglib-2.0.so.0 #3 0x00007ffff0e3de2f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007ffff0de42ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64 -linux-gnu/libQt5Core.so.5 #5 0x00007ffff0c02374 in QThread::exec() () from /usr/lib/x86_64-linux- gnu/libQt5Core.so.5 #6 0x00007ffff0c0725e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007fffec2b10a4 in start_thread (arg=0x7fffaedfd700) at pthread_create.c:309 #8 0x00007ffff001006d in clone () at .../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 10 (Thread 0x7fffaf6fe700 (LWP 2792)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at .../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007ffff0c084fb in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 ---Type <return> to continue, or q <return> to quit--- #2 0x00007ffff5efa50e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #3 0x00007ffff5efad93 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #4 0x00007ffff0c0725e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007fffec2b10a4 in start_thread (arg=0x7fffaf6fe700) at pthread_create.c:309 #6 0x00007ffff001006d in clone () at .../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 9 (Thread 0x7fffafeff700 (LWP 2791)): #0 0x00007fffd61eeace in ?? () from /usr/lib/x86_64-linux-gnu/libswscale- ffmpeg.so.3 #1 0x00007fffd62208bb in ?? () from /usr/lib/x86_64-linux-gnu/libswscale- ffmpeg.so.3 #2 0x00007fffd620f360 in ?? () from /usr/lib/x86_64-linux-gnu/libswscale- ffmpeg.so.3 #3 0x00007fffd621062c in sws_scale () from /usr/lib/x86_64-linux-gnu /libswscale-ffmpeg.so.3 #4 0x00007fffd6210a5a in sws_scale () from /usr/lib/x86_64-linux-gnu /libswscale-ffmpeg.so.3 #5 0x00007fffd7eb15f5 in av_convert_image (use_full_range=0, dst_colorspace=<optimized out>, src_colorspace=<optimized out>, height=720, width=1280, in_fmt=<optimized out>, out_fmt=<optimized out>, in=<optimized out>, out=0x7fffa00031d0 "JJJJJJJJ\001") at filter_avcolour_space.c:147 #6 convert_image (frame=0x7fff768663e0, image=0x7fffafefe610, format=0x7fffafefe694, output_format=mlt_image_yuv420p) at filter_avcolour_space.c:212 #7 0x00007ffff681a798 in mlt_frame_get_image (self=0x7fff768663e0, buffer=buffer@entry=0x7fffafefe610, format=format@entry=0x7fffafefe694, width=width@entry=0x7fffafefe68c, height=height@entry=0x7fffafefe690, writable=writable@entry=0) at mlt_frame.c:591 #8 0x00007ffff660038d in Mlt::Frame::get_image (this=this@entry=0x7fffafefe730, format=@0x7fffafefe694: mlt_image_yuv422, format@entry=@0x7fffafefe694: mlt_image_yuv420p, w=@0x7fffafefe68c: 1280, w@entry=@0x7fffafefe68c: 0, h=@0x7fffafefe690: 720, h@entry=@0x7fffafefe690: 0, writable=writable@entry=0) at MltFrame.cpp:83 #9 0x000000000073b2e6 in FrameRenderer::showFrame (this=this@entry=0x7fffa80f1fd0, frame=...) at /tmp/buildd/kdenlive-15.08.2/src/monitor/glwidget.cpp:1162 #10 0x000000000085c607 in FrameRenderer::qt_static_metacall (_o=0x7fffa80f1fd0, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at /tmp/buildd/kdenlive-15.08.2/obj-x86_64-linux- gnu/src/moc_glwidget.cpp:709 #11 0x00007ffff0e181c1 in QObject::event(QEvent*) () from /usr/lib/x86_64 -linux-gnu/libQt5Core.so.5 #12 0x00007ffff20a9b8c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #13 0x00007ffff20af230 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #14 0x00007ffff0de6a8b in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #15 0x00007ffff0de8bc7 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #16 0x00007ffff0e3da23 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #17 0x00007fffea866fe7 in g_main_context_dispatch () from /lib/x86_64-linux- gnu/libglib-2.0.so.0 #18 0x00007fffea867240 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #19 0x00007fffea8672ec in g_main_context_iteration () from /lib/x86_64-linux- gnu/libglib-2.0.so.0 #20 0x00007ffff0e3de2f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #21 0x00007ffff0de42ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64 -linux-gnu/libQt5Core.so.5 #22 0x00007ffff0c02374 in QThread::exec() () from /usr/lib/x86_64-linux- gnu/libQt5Core.so.5 #23 0x00007ffff0c0725e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #24 0x00007fffec2b10a4 in start_thread (arg=0x7fffafeff700) at pthread_create.c:309 #25 0x00007ffff001006d in clone () at .../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 8 (Thread 0x7fffb48d4700 (LWP 2790)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at .../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007ffff0c084fb in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #2 0x00007ffff5efa50e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #3 0x00007ffff5efad93 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #4 0x00007ffff0c0725e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007fffec2b10a4 in start_thread (arg=0x7fffb48d4700) at pthread_create.c:309 #6 0x00007ffff001006d in clone () at .../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 5 (Thread 0x7fffb77ff700 (LWP 2787)): #0 0x00007ffff000752d in poll () at ../sysdeps/unix/syscall-template.S:81 #1 0x00007fffea8671dc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007fffea8672ec in g_main_context_iteration () from /lib/x86_64-linux- gnu/libglib-2.0.so.0 #3 0x00007ffff0e3de2f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007ffff0de42ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64 -linux-gnu/libQt5Core.so.5 ---Type <return> to continue, or q <return> to quit--- #5 0x00007ffff0c02374 in QThread::exec() () from /usr/lib/x86_64-linux- gnu/libQt5Core.so.5 #6 0x00007ffff196c055 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 #7 0x00007ffff0c0725e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007fffec2b10a4 in start_thread (arg=0x7fffb77ff700) at pthread_create.c:309 #9 0x00007ffff001006d in clone () at .../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 4 (Thread 0x7fffbcc0d700 (LWP 2786)): #0 0x00007ffff000752d in poll () at ../sysdeps/unix/syscall-template.S:81 #1 0x00007fffea8671dc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007fffea8672ec in g_main_context_iteration () from /lib/x86_64-linux- gnu/libglib-2.0.so.0 #3 0x00007ffff0e3de2f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007ffff0de42ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64 -linux-gnu/libQt5Core.so.5 #5 0x00007ffff0c02374 in QThread::exec() () from /usr/lib/x86_64-linux- gnu/libQt5Core.so.5 #6 0x00007ffff196c055 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 #7 0x00007ffff0c0725e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007fffec2b10a4 in start_thread (arg=0x7fffbcc0d700) at pthread_create.c:309 #9 0x00007ffff001006d in clone () at .../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 3 (Thread 0x7fffc072f700 (LWP 2785)): #0 0x00007ffff000752d in poll () at ../sysdeps/unix/syscall-template.S:81 #1 0x00007fffca3adb3c in ?? () from /lib/x86_64-linux-gnu/libusb-1.0.so.0 #2 0x00007fffec2b10a4 in start_thread (arg=0x7fffc072f700) at pthread_create.c:309 #3 0x00007ffff001006d in clone () at .../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 2 (Thread 0x7fffe0e0a700 (LWP 2784)): #0 0x00007ffff000752d in poll () at ../sysdeps/unix/syscall-template.S:81 #1 0x00007fffe8e6e252 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1 #2 0x00007fffe8e6fddf in xcb_wait_for_event () from /usr/lib/x86_64-linux- gnu/libxcb.so.1 #3 0x00007fffe316f2f9 in ?? () from /usr/lib/x86_64-linux- gnu/qt5/plugins/platforms/libqxcb.so #4 0x00007ffff0c0725e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007fffec2b10a4 in start_thread (arg=0x7fffe0e0a700) at pthread_create.c:309 #6 0x00007ffff001006d in clone () at .../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 1 (Thread 0x7fffe3388940 (LWP 2780)): #0 0x00007ffff000752d in poll () at ../sysdeps/unix/syscall-template.S:81 #1 0x00007fffea8671dc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007fffea8672ec in g_main_context_iteration () from /lib/x86_64-linux- gnu/libglib-2.0.so.0 #3 0x00007ffff0e3de4b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007ffff0de42ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64 -linux-gnu/libQt5Core.so.5 #5 0x00007ffff0debe3c in QCoreApplication::exec() () from /usr/lib/x86_64 -linux-gnu/libQt5Core.so.5 #6 0x0000000000518562 in main (argc=1, argv=<optimized out>) at /tmp/buildd/kdenlive-15.08.2/src/main.cpp:118 (gdb) -- System Information: Debian Release: stretch/sid APT prefers testing APT policy: (500, 'testing') Architecture: amd64 (x86_64) Foreign Architectures: i386 Kernel: Linux 4.2.0-1-amd64 (SMP w/4 CPU cores) Locale: LANG=de_DE.UTF-8, LC_CTYPE=de_DE.UTF-8 (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash Init: systemd (via /run/systemd/system) Versions of packages kdenlive depends on: ii ffmpeg 7:2.8.1-1 ii kded5 5.15.0-1 ii kdenlive-data 15.08.2-1 ii kinit 5.15.0-1 ii kio 5.15.0-1 ii libc6 2.19-22 ii libgcc1 1:5.2.1-22 ii libgl1-mesa-glx [libgl1] 10.6.8-1 ii libglu1-mesa [libglu1] 9.0.0-2.1 ii libkf5archive5 5.15.0-1 ii libkf5attica5 5.15.0-1 ii libkf5auth5 5.15.0-1 ii libkf5bookmarks5 5.15.0-1 ii libkf5codecs5 5.15.0-1 ii libkf5completion5 5.15.0-1 ii libkf5configcore5 5.15.0-1 ii libkf5configgui5 5.15.0-1 ii libkf5configwidgets5 5.15.0-1 ii libkf5coreaddons5 5.15.0-1 ii libkf5dbusaddons5 5.15.0-1 ii libkf5guiaddons5 5.15.0-1 ii libkf5i18n5 5.15.0-1 ii libkf5iconthemes5 5.15.0-1 ii libkf5itemviews5 5.15.0-1 ii libkf5jobwidgets5 5.15.0-1 ii libkf5kiocore5 5.15.0-1 ii libkf5kiofilewidgets5 5.15.0-1 ii libkf5kiontlm5 5.15.0-1 ii libkf5kiowidgets5 5.15.0-1 ii libkf5newstuff5 5.15.0-1 ii libkf5notifications5 5.15.0-1 ii libkf5notifyconfig5 5.15.0-1 ii libkf5plotting5 5.15.0-1 ii libkf5service-bin 5.15.0+-1 ii libkf5service5 5.15.0+-1 ii libkf5solid5 5.15.0-1 ii libkf5sonnetui5 5.15.0-1 ii libkf5textwidgets5 5.15.0-1 ii libkf5widgetsaddons5 5.15.0-1 ii libkf5xmlgui5 5.15.0-1 ii libmlt++3 0.9.8-2 ii libmlt6 0.9.8-2 ii libqt5concurrent5 5.4.2+dfsg-9 ii libqt5core5a 5.4.2+dfsg-9 ii libqt5dbus5 5.4.2+dfsg-9 ii libqt5gui5 5.4.2+dfsg-9 ii libqt5network5 5.4.2+dfsg-9 ii libqt5qml5 5.4.2-6 ii libqt5quick5 5.4.2-6 ii libqt5script5 5.4.2+dfsg-4 ii libqt5svg5 5.4.2-3 ii libqt5widgets5 5.4.2+dfsg-9 ii libqt5xml5 5.4.2+dfsg-9 ii libstdc++6 5.2.1-22 ii libv4l-0 1.8.0-1 ii melt 0.9.8-2 ii qml-module-qtquick2 5.4.2-6 Versions of packages kdenlive recommends: ii dvdauthor 0.7.0-1.3 ii dvgrab 3.5-2+b3 ii frei0r-plugins 1.4-3+b1 ii genisoimage 9:1.1.11-3 ii recordmydesktop 0.3.8.1+svn602-1+b1 ii swh-plugins 0.4.15+1-8 Versions of packages kdenlive suggests: pn khelpcenter <none> -- no debconf information