0002263: Segfault on opening kdenlive project

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0002263

Kdenlive

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public

2011-07-30 22:22

2011-07-30 22:44

Reporter

6triple8

Assigned To

j-b-m

Priority

high

Severity

crash

Reproducibility

always

Status

feedback

Resolution

open

Platform

64 bit

Ubuntu

OS Version

11.04

Product Version

0.8

Target Version

Fixed in Version

Summary

0002263: Segfault on opening kdenlive project

Description

Application: kdenlive (0.8)
KDE Platform Version: 4.7.00 (4.7.0)
Qt Version: 4.7.2
Operating System: Linux 2.6.38-11-generic x86_64
Distribution: Ubuntu 11.04

-- Information about the crash:
On opening a project kdenlive crashes. The crash can be reproduced every time either opening directly or via a file manager.

Opening other projects works. I will append the project file.

-- Backtrace:
Application: Kdenlive (kdenlive), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f5dbd1237a0 (LWP 8722))]

Thread 6 (Thread 0x7f5d94e23700 (LWP 8728)):
#0 0x00007f5db72fcf03 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=<value optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1 0x00007f5db6416104 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
0000002 0x00007f5db6416639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
0000003 0x00007f5dbc105446 in QEventDispatcherGlib::processEvents (this=0x17f1780, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:424
0000004 0x00007f5dbc0d9882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
0000005 0x00007f5dbc0d9abc in QEventLoop::exec (this=0x7f5d94e22db0, flags=...) at kernel/qeventloop.cpp:201
0000006 0x00007f5dbbff0924 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:492
0000007 0x00007f5dbc0bbc2f in QInotifyFileSystemWatcherEngine::run (this=0x2f573a0) at io/qfilesystemwatcher_inotify.cpp:248
0000008 0x00007f5dbbff3175 in QThreadPrivate::start (arg=0x2f573a0) at thread/qthread_unix.cpp:320
0000009 0x00007f5dba9c7d8c in start_thread (arg=0x7f5d94e23700) at pthread_create.c:304
0000010 0x00007f5db730a04d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
0000011 0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7f5d8efbf700 (LWP 8736)):
#0 ____strtod_l_internal (nptr=0x7f5d88b90170 "20dB", endptr=0x7f5d8efbea00, group=<value optimized out>, loc=0x7f5db75b16c0) at strtod_l.c:539
#1 0x00007f5da9b5c4ca in ?? () from /usr/lib/mlt/libmltnormalize.so
0000002 0x00007f5dbcd4947f in mlt_filter_process () from /usr/lib/libmlt.so.4
0000003 0x00007f5dbcd4182e in mlt_service_apply_filters () from /usr/lib/libmlt.so.4
0000004 0x00007f5dbcd419ae in mlt_service_get_frame () from /usr/lib/libmlt.so.4
0000005 0x00007f5dbcb29bd5 in Mlt::Service::get_frame(int) () from /usr/lib/libmlt++.so.3
0000006 0x000000000055b7ed in KThumb::slotCreateAudioThumbs (this=0x2ee0070) at /build/buildd/kdenlive-0.8.0/src/kthumb.cpp:399
0000007 0x000000000049b016 in QtConcurrent::RunFunctionTask<void>::run (this=0x296fcb0) at /usr/include/qt4/QtCore/qtconcurrentrunbase.h:120
0000008 0x00007f5dbbfe8188 in QThreadPoolThread::run (this=0x3731040) at concurrent/qthreadpool.cpp:106
0000009 0x00007f5dbbff3175 in QThreadPrivate::start (arg=0x3731040) at thread/qthread_unix.cpp:320
0000010 0x00007f5dba9c7d8c in start_thread (arg=0x7f5d8efbf700) at pthread_create.c:304
0000011 0x00007f5db730a04d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
0000012 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7f5d96ea3700 (LWP 8739)):
#0 0x00007f5db72fcf03 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=<value optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1 0x00007f5db4662512 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
0000002 0x00007f5db4662a5f in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
0000003 0x00007f5db4662ae4 in xcb_writev () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
0000004 0x00007f5dba6c72a7 in _XSend () from /usr/lib/x86_64-linux-gnu/libX11.so.6
0000005 0x00007f5dba6c7665 in _XFlush () from /usr/lib/x86_64-linux-gnu/libX11.so.6
0000006 0x00007f5dba6a6c2a in XFlush () from /usr/lib/x86_64-linux-gnu/libX11.so.6
0000007 0x00007f5d99e272f8 in ?? () from /usr/lib/libSDL-1.2.so.0
0000008 0x00007f5d99e1b38c in SDL_UpdateRect () from /usr/lib/libSDL-1.2.so.0
0000009 0x00007f5d99e1b5b3 in SDL_Flip () from /usr/lib/libSDL-1.2.so.0
0000010 0x00007f5d9a08957a in ?? () from /usr/lib/mlt/libmltsdl.so
0000011 0x00007f5dba9c7d8c in start_thread (arg=0x7f5d96ea3700) at pthread_create.c:304
0000012 0x00007f5db730a04d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
0000013 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f5d976a4700 (LWP 8740)):
#0 pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1 0x00007f5d9a0880e0 in ?? () from /usr/lib/mlt/libmltsdl.so
0000002 0x00007f5dba9c7d8c in start_thread (arg=0x7f5d976a4700) at pthread_create.c:304
0000003 0x00007f5db730a04d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
0000004 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f5d8e7be700 (LWP 8741)):
[KCrash Handler]
0000006 memcpy () at ../sysdeps/x86_64/memcpy.S:267
0000007 0x00007f5d9ae7e522 in ac3_decode_frame (avctx=0x7f5d04941500, data=0x7f5d05350f40, data_size=0x7f5d8e7bd77c, avpkt=<value optimized out>) at /usr/include/bits/string3.h:52
0000008 0x00007f5d9b172958 in avcodec_decode_audio3 (avctx=0x7f5d04941500, samples=<value optimized out>, frame_size_ptr=<value optimized out>, avpkt=<value optimized out>) at /build/buildd/libav-0.7.1/libavcodec/utils.c:726
0000009 0x00007f5d9be19e34 in ?? () from /usr/lib/mlt/libmltavformat.so
0000010 0x00007f5dbcd39f0d in mlt_frame_get_audio () from /usr/lib/libmlt.so.4
0000011 0x00007f5d999d16f2 in ?? () from /usr/lib/mlt/libmltcore.so
0000012 0x00007f5dbcd39f0d in mlt_frame_get_audio () from /usr/lib/libmlt.so.4
0000013 0x00007f5d997c7e83 in ?? () from /usr/lib/mlt/libmltresample.so
0000014 0x00007f5dbcd39f0d in mlt_frame_get_audio () from /usr/lib/libmlt.so.4
0000015 0x00007f5da9b5cb3f in ?? () from /usr/lib/mlt/libmltnormalize.so
0000016 0x00007f5dbcd39f0d in mlt_frame_get_audio () from /usr/lib/libmlt.so.4
0000017 0x00007f5dbcb25a7c in Mlt::Frame::get_audio(mlt_audio_format&, int&, int&, int&) () from /usr/lib/libmlt++.so.3
0000018 0x000000000055b885 in KThumb::slotCreateAudioThumbs (this=0x2ec4f20) at /build/buildd/kdenlive-0.8.0/src/kthumb.cpp:404
0000019 0x000000000049b016 in QtConcurrent::RunFunctionTask<void>::run (this=0x28ec870) at /usr/include/qt4/QtCore/qtconcurrentrunbase.h:120
0000020 0x00007f5dbbfe8188 in QThreadPoolThread::run (this=0x2f65b00) at concurrent/qthreadpool.cpp:106
0000021 0x00007f5dbbff3175 in QThreadPrivate::start (arg=0x2f65b00) at thread/qthread_unix.cpp:320
0000022 0x00007f5dba9c7d8c in start_thread (arg=0x7f5d8e7be700) at pthread_create.c:304
0000023 0x00007f5db730a04d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
0000024 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f5dbd1237a0 (LWP 8722)):
#0 0x00007f5db72fcf03 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=<value optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1 0x00007f5db4662512 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
0000002 0x00007f5db4662a5f in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
0000003 0x00007f5db4662ae4 in xcb_writev () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
0000004 0x00007f5dba6c72a7 in _XSend () from /usr/lib/x86_64-linux-gnu/libX11.so.6
0000005 0x00007f5dba6c77fb in _XReply () from /usr/lib/x86_64-linux-gnu/libX11.so.6
0000006 0x00007f5dba6bcc30 in XQueryPointer () from /usr/lib/x86_64-linux-gnu/libX11.so.6
0000007 0x00007f5db81f518f in QCursor::pos () at kernel/qcursor_x11.cpp:159
0000008 0x00007f5db816b20d in QApplicationPrivate::dispatchEnterLeave (enter=0x276ccd0, leave=<value optimized out>) at kernel/qapplication.cpp:2781
0000009 0x00007f5db81eba7d in QApplication::x11ProcessEvent (this=0x7fff942871e0, event=0x7fff94286e70) at kernel/qapplication_x11.cpp:3676
0000010 0x00007f5db8214842 in x11EventSourceDispatch (s=0x16b88d0, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
0000011 0x00007f5db6415bcd in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
0000012 0x00007f5db64163a8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
0000013 0x00007f5db6416639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
0000014 0x00007f5dbc1053ef in QEventDispatcherGlib::processEvents (this=0x16652e0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:422
0000015 0x00007f5db82144de in QGuiEventDispatcherGlib::processEvents (this=<value optimized out>, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
0000016 0x00007f5dbc0d9882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
0000017 0x00007f5dbc0d9abc in QEventLoop::exec (this=0x7fff94287170, flags=...) at kernel/qeventloop.cpp:201
0000018 0x00007f5dbc0ddecb in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1008
0000019 0x00000000004553ab in main (argc=6, argv=<value optimized out>) at /build/buildd/kdenlive-0.8.0/src/main.cpp:90

Notes
(0007104) j-b-m (administrator) 2011-07-30 22:44	The crash seems to happen when creating the audio thumbnail. You can try to disable audio thumbnails before opening the project to see if the project then opens correctly (Settings > Configure Kdenlive > Timeline > Thumbs). However, the crash does not seem to be caused by Kdenlive, it happens when libAV tries to decode your video file, so maybe you should also try to play the video clip: ffplay VTS_01_1.VOB If it crashes, then you should report the bug to libav.org

Issue History
Date Modified	Username	Field	Change
2011-07-30 22:22	6triple8	New Issue
2011-07-30 22:22	6triple8	File Added: vwm.kdenlive
2011-07-30 22:44	j-b-m	Note Added: 0007104
2011-07-30 22:44	j-b-m	Assigned To	=> j-b-m
2011-07-30 22:44	j-b-m	Status	new => feedback

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