openshot crashed with SIGSEGV in mlt_properties_find()

[Michael Zywek]

lsb_release -rd
Description: Ubuntu precise (development branch)
Release: 12.04
uname -a
XXXXXX 3.2.0-10-generic-pae #17-Ubuntu SMP Thu Jan 19 20:56:14 UTC 2012 i686 i686 i386 GNU/Linux

Since the last update openshot does not launch. I don't know why. I reinstalled openshot, but nothing changed.

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: openshot 1.4.0-1
ProcVersionSignature: Ubuntu 3.2.0-10.17-generic-pae 3.2.1
Uname: Linux 3.2.0-10-generic-pae i686
NonfreeKernelModules: nvidia
ApportVersion: 1.91-0ubuntu1
Architecture: i386
Date: Sun Jan 22 18:45:37 2012
ExecutablePath: /usr/bin/openshot
InstallationMedia: Xubuntu 12.04 "Precise Pangolin" - Alpha i386 (20111129.1)
InterpreterPath: /usr/bin/python2.7
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/bin/openshot
ProcEnviron:
 PATH=(custom, no user)
 LANG=de_DE.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0xb5f3a247: mov 0x4(%eax),%edi
 PC (0xb5f3a247) ok
 source "0x4(%eax)" (0x00000004) not located in a known VMA region (needed readable region)!
 destination "%edi" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: openshot
StacktraceTop:
 ?? () from /usr/lib/libmlt.so.4
 mlt_properties_set () from /usr/lib/libmlt.so.4
 Mlt::Properties::set(char const*, char const*) () from /usr/lib/libmlt++.so.3
 ?? () from /usr/lib/python2.7/dist-packages/_mlt.so
 ?? () from /usr/lib/python2.7/dist-packages/_mlt.so
Title: openshot crashed with SIGSEGV in mlt_properties_set()
UpgradeStatus: Upgraded to precise on 2011-12-13 (40 days ago)
UserGroups:

[Apport retracing service (apport)]

StacktraceTop:
 mlt_properties_find (name=0xa267140 "\264\244'\b", self=0x0) at mlt_properties.c:484
 mlt_properties_fetch (self=0x0, name=0x9d07d54 "vcodec") at mlt_properties.c:560
 mlt_properties_set (self=0x0, name=0x9d07d54 "vcodec", value=0xb74442d4 "list") at mlt_properties.c:649
 Mlt::Properties::set (this=0x9e734c8, name=0x9d07d54 "vcodec", value=0xb74442d4 "list") at MltProperties.cpp:152
 ?? () from /tmp/tmpEFZJjW/usr/lib/python2.7/dist-packages/_mlt.so

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Michael Zywek (mzpc)]

Hello, I tried to open openshot via terminal. I got an Information, that does not say anything to me. But for you, it will be helpfull. Hope so.

It was written:

/usr/bin/openshot

------------------------- ERROR 1 ------------------------------
Failed to import 'from openshot import main'
Error Message: cannot import name main
----------------------------------------------------------------

** WARNING **: Trying to register gtype 'GMountMountFlags' as enum when in fact it is of type 'GFlags'

** WARNING **: Trying to register gtype 'GDriveStartFlags' as enum when in fact it is of type 'GFlags'
--------------------------------
   OpenShot (version 1.4.0)
--------------------------------
Process no longer exists: 2963. Creating new pid lock file.
mlt_repository_init: failed to dlopen /usr/lib/mlt/libmltavformat.so
  (/usr/lib/mlt/libmltavformat.so: symbol ff_cropTbl, version LIBAVCODEC_53 not defined in file libavcodec.so.53 with link time reference)

Detecting formats, codecs, and filters...
Speicherzugriffsfehler (Speicherabzug geschrieben)

-------- Original-Nachricht --------
> Datum: Sun, 22 Jan 2012 21:20:00 -0000
> Von: Launchpad Bug Tracker <email address hidden>
> An: <email address hidden>
> Betreff: [Bug 920101] Re: openshot crashed with SIGSEGV in mlt_properties_find()

> Status changed to 'Confirmed' because the bug affects multiple users.
>
> ** Changed in: openshot (Ubuntu)
> Status: New => Confirmed
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/920101
>
> Title:
> openshot crashed with SIGSEGV in mlt_properties_find()
>
> Status in “openshot” package in Ubuntu:
> Confirmed
>
> Bug description:
> lsb_release -rd
> Description: Ubuntu precise (development branch)
> Release: 12.04
> uname -a
> XXXXXX 3.2.0-10-generic-pae #17-Ubuntu SMP Thu Jan 19 20:56:14 UTC 2012
> i686 i686 i386 GNU/Linux
>
> Since the last update openshot does not launch. I don't know why. I
> reinstalled openshot, but nothing changed.
>
> ProblemType: Crash
> DistroRelease: Ubuntu 12.04
> Package: openshot 1.4.0-1
> ProcVersionSignature: Ubuntu 3.2.0-10.17-generic-pae 3.2.1
> Uname: Linux 3.2.0-10-generic-pae i686
> NonfreeKernelModules: nvidia
> ApportVersion: 1.91-0ubuntu1
> Architecture: i386
> Date: Sun Jan 22 18:45:37 2012
> ExecutablePath: /usr/bin/openshot
> InstallationMedia: Xubuntu 12.04 "Precise Pangolin" - Alpha i386
> (20111129.1)
> InterpreterPath: /usr/bin/python2.7
> PackageArchitecture: all
> ProcCmdline: /usr/bin/python /usr/bin/openshot
> ProcEnviron:
> PATH=(custom, no user)
> LANG=de_DE.UTF-8
> SHELL=/bin/bash
> SegvAnalysis:
> Segfault happened at: 0xb5f3a247: mov 0x4(%eax),%edi
> PC (0xb5f3a247) ok
> source "0x4(%eax)" (0x00000004) not located in a known VMA region
> (needed readable region)!
> destination "%edi" ok
> SegvReason: reading NULL VMA
> Signal: 11
> SourcePackage: openshot
> StacktraceTop:
> ?? () from /usr/lib/libmlt.so.4
> mlt_properties_set () from /usr/lib/libmlt.so.4
> Mlt::Properties::set(char const*, char const*) () from
> /usr/lib/libml...

[Jonathan Thomas (jonoomph)]

Hi, can you please follow these debug instructions, and post the resulting "openshot.debug" file to this bug report: https://answers.launchpad.net/openshot/+faq/1032. This certainly looks like an issue with your MLT installation, and not openshot. I would bet "melt" and "kdenlive" also fail in much the same way.

So, maybe the first thing to try is uninstalling libmlt, and then re-installing it. Also, if you install the "melt" command line, that might be useful for troubleshooting.

Thanks and Good luck!
-Jonathan

[Olivier Girard (eolinwen)]

Hi,

Thanks to report this bug.
To my mind, this bug concerns MLT Team and not Openshot himself.
And I'll said more that seems to be a problem in MLT with libavcodec53, part of ffmpeg which ignored by MLT, probably thanks to your version of ffmpeg (0.8.0).
So, I'm going to tag it like won't fix.

[Michael Zywek (mzpc)]

Hello, thank you for answering me. I'm ill, so a short repeat.

I think also, it is a problem with libavcodec53. Today there was a different reaction of my system after launching OpenShot. The failure-apport said, I had to install libvacodec53, but apt-get says, it is not possible because of missed dependencies. I'm working with an Alpha_version of 1204. I will wait few days. Perhaps then all packages are on the same level, not one new and the other old. If there is no change within a week, I write again an email. If there is nothing from me, OpenShot works.

Good bye, Michael

-------- Original-Nachricht --------
> Datum: Tue, 24 Jan 2012 17:15:26 -0000
> Von: Cenwen <email address hidden>
> An: <email address hidden>
> Betreff: [Bug 920101] Re: openshot crashed with SIGSEGV in mlt_properties_find()

> Hi,
>
> Thanks to report this bug.
> To my mind, this bug concerns MLT Team and not Openshot himself.
> And I'll said more that seems to be a problem in MLT with libavcodec53,
> part of ffmpeg which ignored by MLT, probably thanks to your version of
> ffmpeg (0.8.0).
> So, I'm going to tag it like won't fix.
>
>
> ** Changed in: openshot (Ubuntu)
> Status: Confirmed => Invalid
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/920101
>
> Title:
> openshot crashed with SIGSEGV in mlt_properties_find()
>
> Status in “openshot” package in Ubuntu:
> Invalid
>
> Bug description:
> lsb_release -rd
> Description: Ubuntu precise (development branch)
> Release: 12.04
> uname -a
> XXXXXX 3.2.0-10-generic-pae #17-Ubuntu SMP Thu Jan 19 20:56:14 UTC 2012
> i686 i686 i386 GNU/Linux
>
> Since the last update openshot does not launch. I don't know why. I
> reinstalled openshot, but nothing changed.
>
> ProblemType: Crash
> DistroRelease: Ubuntu 12.04
> Package: openshot 1.4.0-1
> ProcVersionSignature: Ubuntu 3.2.0-10.17-generic-pae 3.2.1
> Uname: Linux 3.2.0-10-generic-pae i686
> NonfreeKernelModules: nvidia
> ApportVersion: 1.91-0ubuntu1
> Architecture: i386
> Date: Sun Jan 22 18:45:37 2012
> ExecutablePath: /usr/bin/openshot
> InstallationMedia: Xubuntu 12.04 "Precise Pangolin" - Alpha i386
> (20111129.1)
> InterpreterPath: /usr/bin/python2.7
> PackageArchitecture: all
> ProcCmdline: /usr/bin/python /usr/bin/openshot
> ProcEnviron:
> PATH=(custom, no user)
> LANG=de_DE.UTF-8
> SHELL=/bin/bash
> SegvAnalysis:
> Segfault happened at: 0xb5f3a247: mov 0x4(%eax),%edi
> PC (0xb5f3a247) ok
> source "0x4(%eax)" (0x00000004) not located in a known VMA region
> (needed readable region)!
> destination "%edi" ok
> SegvReason: reading NULL VMA
> Signal: 11
> SourcePackage: openshot
> StacktraceTop:
> ?? () from /usr/lib/libmlt.so.4
> mlt_properties_set () from /usr/lib/libmlt.so.4
> Mlt::Properties::set(char const*, char const*) () from
> /usr/lib/libmlt++.so.3
> ?? () from /usr/lib/python2.7/dist-packages/_mlt.so
> ?? () from /usr/lib/python2.7/dist-packages/_mlt.so
> Title: openshot crashed with SIGSEGV in mlt_properties_set()
> UpgradeStatus: Upgraded to precise on 2011-12-13 (40 days ago...

[Jonathan Thomas (jonoomph)]

Hi Michael,
Can you try the following command, and let me know what happens:

$ melt -query "video_codec"

and also

$ melt -query "formats"

Thanks!
-Jonathan

[Giovanni Mellini (merlos)]

Hi Jonathan, I have the same problem with openshot, I cannot launch the program.
I attached the output of the commands you wrote.

Tks

[Jonathan Thomas (jonoomph)]

I have seen this same bug reported on Debian also, and I think it's related to a bug in MLT and how MLT integrates with the newest version of FFmpeg. If you look at the MLT archives (scroll to the bottom), you will see they are aware of some FFmpeg compilation problems: http://sourceforge.net/mailarchive/forum.php?forum_name=mlt-devel&max_rows=25&style=ultimate&viewmonth=201201.

I'm going to try and reproduce this error on the daily build of Ubuntu 12.04, and I'll post what I find.

Thanks!
-Jonathan

[Jonathan Thomas (jonoomph)]

I have posted a question to the MLT developer mailing list, so I'll you know what I find out.

Thanks!
-Jonathan

[Olivier Girard (eolinwen)]

Hi Jonathan,

the link is not valide. It miss the end.

2012/1/29 Jonathan Thomas <email address hidden>

> I have posted a question to the MLT developer mailing list, so I'll you
> know what I find out.
>
> Thanks!
> -Jonathan
>
> --
> You received this bug notification because you are a member of OpenShot
> Developers, which is subscribed to openshot in Ubuntu.
> https://bugs.launchpad.net/bugs/920101
>
> Title:
> openshot crashed with SIGSEGV in mlt_properties_find()
>
> Status in “openshot” package in Ubuntu:
> Invalid
> Status in “openshot” package in Debian:
> New
>
> Bug description:
> lsb_release -rd
> Description: Ubuntu precise (development branch)
> Release: 12.04
> uname -a
> XXXXXX 3.2.0-10-generic-pae #17-Ubuntu SMP Thu Jan 19 20:56:14 UTC 2012
> i686 i686 i386 GNU/Linux
>
> Since the last update openshot does not launch. I don't know why. I
> reinstalled openshot, but nothing changed.
>
> ProblemType: Crash
> DistroRelease: Ubuntu 12.04
> Package: openshot 1.4.0-1
> ProcVersionSignature: Ubuntu 3.2.0-10.17-generic-pae 3.2.1
> Uname: Linux 3.2.0-10-generic-pae i686
> NonfreeKernelModules: nvidia
> ApportVersion: 1.91-0ubuntu1
> Architecture: i386
> Date: Sun Jan 22 18:45:37 2012
> ExecutablePath: /usr/bin/openshot
> InstallationMedia: Xubuntu 12.04 "Precise Pangolin" - Alpha i386
> (20111129.1)
> InterpreterPath: /usr/bin/python2.7
> PackageArchitecture: all
> ProcCmdline: /usr/bin/python /usr/bin/openshot
> ProcEnviron:
> PATH=(custom, no user)
> LANG=de_DE.UTF-8
> SHELL=/bin/bash
> SegvAnalysis:
> Segfault happened at: 0xb5f3a247: mov 0x4(%eax),%edi
> PC (0xb5f3a247) ok
> source "0x4(%eax)" (0x00000004) not located in a known VMA region
> (needed readable region)!
> destination "%edi" ok
> SegvReason: reading NULL VMA
> Signal: 11
> SourcePackage: openshot
> StacktraceTop:
> ?? () from /usr/lib/libmlt.so.4
> mlt_properties_set () from /usr/lib/libmlt.so.4
> Mlt::Properties::set(char const*, char const*) () from
> /usr/lib/libmlt++.so.3
> ?? () from /usr/lib/python2.7/dist-packages/_mlt.so
> ?? () from /usr/lib/python2.7/dist-packages/_mlt.so
> Title: openshot crashed with SIGSEGV in mlt_properties_set()
> UpgradeStatus: Upgraded to precise on 2011-12-13 (40 days ago)
> UserGroups:
>
> To manage notifications about this bug go to:
>
> https://bugs.launchpad.net/ubuntu/+source/openshot/+bug/920101/+subscriptions
>
> _______________________________________________
> Mailing list: https://launchpad.net/~openshot.developers
> Post to : <email address hidden>
> Unsubscribe : https://launchpad.net/~openshot.developers
> More help : https://help.launchpad.net/ListHelp
>

--
Olivier
Cenwen un elfe sur la banquise/ an elve on the ice
Mon blog perso sur le multimédia, Ubuntu, Linux et OpenShot :
http://linuxevolution.wordpress.com/
Le forum d'Openshot où vous me trouverez : http://openshotusers.com/
http://openshotusers.com/forum/index.php
Nothing is lost until the last second.
The family motto : When we want, we can.
Google+ <https://plus.google.com/u/0/111472725110173916234/posts>

[Jonathan Thomas (jonoomph)]

I heard back from the MLT developers, and they say the problem is now fixed in their source code, and will soon be released. So, I would guess in the next 2 weeks (or so) a version will be available in PPAs and on Debian that work correctly with libav-related branches of FFmpeg. Thanks!

[Giovanni Mellini (merlos)]

This is fixed now for me with last updates, I can now run Openshot :)
Tks