Aie a segfault.

Could you use gdb for that :
http://openshotusers.com/forum/viewtopic.php?f=12&t=180

I am afraid that comes from MLT but we should be sure after using gdb.

2013/2/10 Colin Law <email address hidden>

> I have a similar crash when clicking on the timeline.  Running openshot
> from a terminal no diagnostic other than Segmentation Fault (Core
> dumped).  However it is repeatable and seems to be associated with
> moving one of the clips and then clicking on the timeline.  Is there a
> way to get a stack trace or other debug that would be useful?
>
> I am running on Ubuntu 12.10 with the openshot.developers and
> sunab/kdenlive-release ppa's
> openshot 1.4.3-1
> melt 0.8.8-0ubuntu0~sunab~quantal1
>
> --
> You received this bug notification because you are a member of OpenShot
> Bugs, which is subscribed to OpenShot Video Editor.
> https://bugs.launchpad.net/bugs/1100443
>
> Title:
>   openshot crash with backtrace
>
> Status in OpenShot Video Editor:
>   New
>
> Bug description:
>   I use openshot 1.4.3 from the bazaar repositories on Ubuntu 12.04. My
>   melt version is 0.8.2.
>
>   Openshot crashes quite a lot when I press the play button or click on
>   a timestamp in the timeline (in general when the preview window shall
>   show something). Usually there is no information but this time it
>   printed a backtrace:
>
>   *** glibc detected *** python: munmap_chunk(): invalid pointer:
> 0x00007f461c066960 ***
>   ======= Backtrace: =========
>   /lib/x86_64-linux-gnu/libc.so.6(+0x7eb96)[0x7f4668a89b96]
>   /usr/lib/libmlt.so.5(mlt_properties_close+0xb0)[0x7f465d9d71c0]
>   /usr/lib/libmlt.so.5(mlt_frame_close+0x5c)[0x7f465d9d26bc]
>   /usr/lib/libmlt.so.5(mlt_property_close+0x1a)[0x7f465d9d68ba]
>   /usr/lib/libmlt.so.5(mlt_properties_close+0xb0)[0x7f465d9d71c0]
>   /usr/lib/libmlt.so.5(mlt_frame_close+0x5c)[0x7f465d9d26bc]
>   /usr/lib/mlt/libmltsdl.so(+0x341e)[0x7f464b9e141e]
>   /lib/x86_64-linux-gnu/libpthread.so.0(+0x7e9a)[0x7f4669d0fe9a]
>   /lib/x86_64-linux-gnu/libc.so.6(clone+0x6d)[0x7f4668afecbd]
>   ======= Memory map: ========
>   00400000-00671000 r-xp 00000000 08:01 14157206
> /usr/bin/python2.7
>   00870000-00871000 r--p 00270000 08:01 14157206
> /usr/bin/python2.7
>   00871000-008da000 rw-p 00271000 08:01 14157206
> /usr/bin/python2.7
>   008da000-008ec000 rw-p 00000000 00:00 0
>   0097c000-18dce000 rw-p 00000000 00:00 0
>  [heap]
>   7f45db7ff000-7f45db800000 ---p 00000000 00:00 0
>   7f45db800000-7f45dc000000 rw-p 00000000 00:00 0
>   7f45dc000000-7f45dc336000 rw-p 00000000 00:00 0
>   7f45dc336000-7f45e0000000 ---p 00000000 00:00 0
>   7f45e0000000-7f45e0336000 rw-p 00000000 00:00 0
>   7f45e0336000-7f45e4000000 ---p 00000000 00:00 0
>   7f45e4000000-7f45e44a7000 rw-p 00000000 00:00 0
>   7f45e44a7000-7f45e8000000 ---p 00000000 00:00 0
>   7f45e8000000-7f45e84a7000 rw-p 00000000 00:00 0
>   7f45e84a7000-7f45ec000000 ---p 00000000 00:00 0
>   7f45ec000000-7f45ee2c6000 rw-p 00000000 00:00 0
>   7f45ee2c6000-7f45f0000000 ---p 00000000 00:00 0
>   7f45f0000000-7f45f04bf000 rw-p 00000000 00:00 0
>   7f45f04bf000-7f45f4000000 ---p 00000000 00:00 0
>   7f45f4000000-7f45f44a7000 rw-p 00000000 00:00 0
>   7f45f44a7000-7f45f8000000 ---p 00000000 00:00 0
>   7f45f8000000-7f45f84a7000 rw-p 00000000 00:00 0
>   7f45f84a7000-7f45fc000000 ---p 00000000 00:00 0
>   7f45fc000000-7f45fc4a7000 rw-p 00000000 00:00 0
>   7f45fc4a7000-7f4600000000 ---p 00000000 00:00 0
>   7f4600000000-7f46004a7000 rw-p 00000000 00:00 0
>   7f46004a7000-7f4604000000 ---p 00000000 00:00 0
>   7f4604000000-7f4604630000 rw-p 00000000 00:00 0
>   7f4604630000-7f4608000000 ---p 00000000 00:00 0
>   7f4608000000-7f4608021000 rw-p 00000000 00:00 0
>   7f4608021000-7f460c000000 ---p 00000000 00:00 0
>   7f460c468000-7f460c469000 ---p 00000000 00:00 0
>   7f460c469000-7f460cc69000 rw-p 00000000 00:00 0
>   7f460cc69000-7f460cc6a000 ---p 00000000 00:00 0
>   7f460cc6a000-7f460d46a000 rw-p 00000000 00:00 0
>   7f460d46a000-7f460d46b000 ---p 00000000 00:00 0
>   7f460d46b000-7f460dc6b000 rw-p 00000000 00:00 0
>   7f460dc6b000-7f460dc6c000 ---p 00000000 00:00 0
>   7f460dc6c000-7f460e46c000 rw-p 00000000 00:00 0
>   7f460ec6d000-7f460ec6e000 ---p 00000000 00:00 0
>   7f460ec6e000-7f460f56f000 rw-p 00000000 00:00 0
>   7f460f8f4000-7f460f8fa000 r-xp 00000000 08:01 14558952
> /usr/lib/x86_64-linux-gnu/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-gif.so
>   7f460f8fa000-7f460faf9000 ---p 00006000 08:01 14558952
> /usr/lib/x86_64-linux-gnu/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-gif.so
>   7f460faf9000-7f460fafa000 r--p 00005000 08:01 14558952
> /usr/lib/x86_64-linux-gnu/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-gif.so
>   7f460fafa000-7f460fafb000 rw-p 00006000 08:01 14558952
> /usr/lib/x86_64-linux-gnu/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-gif.so
>   7f460fafb000-7f4610000000 rw-p 00000000 00:00 0
>   7f4610000000-7f4610021000 rw-p 00000000 00:00 0
>   7f4610021000-7f4614000000 ---p 00000000 00:00 0
>   7f46140b4000-7f46147bb000 rw-p 00000000 00:00 0
>   7f4614dcc000-7f4614dcd000 ---p 00000000 00:00 0
>   7f4614dcd000-7f46159d1000 rw-p 00000000 00:00 0
>   7f4615fe2000-7f4615fe3000 ---p 00000000 00:00 0
>   7f4615fe3000-7f4616de9000 rw-p 00000000 00:00 0
>   7f46173fa000-7f46173fb000 ---p 00000000 00:00 0
>   7f46173fb000-7f4617fff000 rw-p 00000000 00:00 0
>   7f4617fff000-7f461c000000 rw-s 00000000 00:12 274629
> /run/shm/pulse-shm-1259901422
>   7f461c000000-7f461fe24000 rw-p 00000000 00:00 0
>   7f461fe24000-7f4620000000 ---p 00000000 00:00 0
>   7f4620013000-7f4620014000 ---p 00000000 00:00 0
>   7f4620014000-7f4620814000 rw-p 00000000 00:00 0
>   7f4620814000-7f4620816000 r-xp 00000000 08:01 14208047
> /usr/lib/frei0r-1/mask0mate.so
>   7f4620816000-7f4620a15000 ---p 00002000 08:01 14208047
> /usr/lib/frei0r-1/mask0mate.so
>   7f4620a15000-7f4620a16000 r--p 00001000 08:01 14208047
> /usr/lib/frei0r-1/mask0mate.so
>   7f4620a16000-7f4620a17000 rw-p 00002000 08:01 14208047
> /usr/lib/frei0r-1/mask0mate.so
>   7f4620a17000-7f4620a19000 r-xp 00000000 08:01 14208064
> /usr/lib/frei0r-1/sharpness.so
>   7f4620a19000-7f4620c18000 ---p 00002000 08:01 14208064
> /usr/lib/frei0r-1/sharpness.so
>   7f4620c18000-7f4620c19000 r--p 00001000 08:01 14208064
> /usr/lib/frei0r-1/sharpness.so
>   7f4620c19000-7f4620c1a000 rw-p 00002000 08:01 14208064
> /usr/lib/frei0r-1/sharpness.so
>   7f4620c1a000-7f4620c1b000 r-xp 00000000 08:01 14208061
> /usr/lib/frei0r-1/saturat0r.so
>   7f4620c1b000-7f4620e1b000 ---p 00001000 08:01 14208061
> /usr/lib/frei0r-1/saturat0r.so
>   7f4620e1b000-7f4620e1c000 r--p 00001000 08:01 14208061
> /usr/lib/frei0r-1/saturat0r.so
>   7f4620e1c000-7f4620e1d000 rw-p 00002000 08:01 14208061
> /usr/lib/frei0r-1/saturat0r.so
>   7f4620e1d000-7f4620e21000 r-xp 00000000 08:01 14558960
> /usr/lib/x86_64-linux-gnu/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-jpeg.so
>   7f4620e21000-7f4621021000 ---p 00004000 08:01 14558960
> /usr/lib/x86_64-linux-gnu/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-jpeg.so
>   7f4621021000-7f4621022000 r--p 00004000 08:01 14558960
> /usr/lib/x86_64-linux-gnu/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-jpeg.so
>   7f4621022000-7f4621023000 rw-p 00005000 08:01 14558960
> /usr/lib/x86_64-linux-gnu/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-jpeg.so
>   7f4621024000-7f4621f33000 rw-p 00000000 00:00 0
>   7f4621f33000-7f46220f5000 rw-s 00000000 00:04 17629197
> /SYSV00000000 (deleted)
>   7f46220f5000-7f4622ffe000 rw-p 00000000 00:00 0
>   7f4622ffe000-7f4622fff000 ---p 00000000 00:00 0
>   7f4622fff000-7f46237ff000 rw-p 00000000 00:00 0
>   7f46237ff000-7f4623800000 ---p 00000000 00:00 0
>
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