Bug#900544: flowblade: Segfaults on startup

[Charlie Hagedorn]

Package: flowblade
Version: 1.12-1
Severity: important

Dear Maintainer,

*** Reporter, please consider answering these questions, where appropriate ***

   * What led up to the situation?

Installed flowblade. sudo apt-get install flowblade

   * What exactly did you do (or not do) that was effective (or
     ineffective)?

Ran flowblade.

   * What was the outcome of this action?

Segfault. Output and dmesg report attached after these questions.

   * What outcome did you expect instead?

A running program or a graceful exit.


[charlie at dicke:~]$ flowblade
FLOWBLADE MOVIE EDITOR 1.12
---------------------------
Launch script dir: /usr/bin
Running from installation...
modules path: /usr/share/flowblade/Flowblade
MLT found, version: 6.8.0

(flowblade:22604): dbind-WARNING **: 20:20:25.971: Couldn't register with accessibility bus: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken.
OS: Debian GNU/Linux buster/sid
Python 2.7.15 (default, May  1 2018, 05:55:50) 
[GCC 7.3.0]
GTK+ version: 3.22.29
User dir: /home/charlie/.flowblade/
Locale: en_US
Translations at /usr/share/locale were not found, using program root directory translations.
Use OS locale language.
1920 1080
Small height: False
Small width: False
Detecting environment...
---
video_codecs:
  - a64multi
  - a64multi5
  - alias_pix
  - amv
  - apng
  - asv1
  - asv2
  - avrp
  - avui
  - ayuv
  - bmp
  - cinepak
  - cljr
  - dnxhd
  - dpx
  - dvvideo
  - ffv1
  - ffvhuff
  - fits
  - flashsv
  - flashsv2
  - flv
  - gif
  - h261
  - h263
  - h263p
  - hap
  - huffyuv
  - jpeg2000
  - jpegls
  - ljpeg
  - mjpeg
  - mpeg1video
  - mpeg2video
  - mpeg4
  - msmpeg4v2
  - msmpeg4
  - msvideo1
  - pam
  - pbm
  - pcx
  - pgm
  - pgmyuv
  - png
  - ppm
  - prores
  - prores_aw
  - prores_ks
  - qtrle
  - r10k
  - r210
  - rawvideo
  - roqvideo
  - rv10
  - rv20
  - sgi
  - snow
  - sunrast
  - svq1
  - targa
  - tiff
  - utvideo
  - v210
  - v308
  - v408
  - v410
  - vc2
  - wrapped_avframe
  - wmv1
  - wmv2
  - xbm
  - xface
  - xwd
  - y41p
  - yuv4
  - zlib
  - zmbv
  - libopenjpeg
  - libtheora
  - libvpx
  - libvpx-vp9
  - libwebp_anim
  - libwebp
  - libx264
  - libx264rgb
  - libx265
  - libxvid
  - h264_nvenc
  - h264_omx
  - h264_vaapi
  - nvenc
  - nvenc_h264
  - nvenc_hevc
  - hevc_nvenc
  - hevc_vaapi
  - mjpeg_vaapi
  - mpeg2_vaapi
  - vp8_vaapi
  - vp9_vaapi
...
---
audio_codecs:
  - comfortnoise
  - s302m
  - aac
  - ac3
  - ac3_fixed
  - alac
  - dca
  - eac3
  - flac
  - g723_1
  - mlp
  - mp2
  - mp2fixed
  - nellymoser
  - opus
  - real_144
  - sonic
  - sonicls
  - truehd
  - tta
  - vorbis
  - wavpack
  - wmav1
  - wmav2
  - pcm_alaw
  - pcm_f32be
  - pcm_f32le
  - pcm_f64be
  - pcm_f64le
  - pcm_mulaw
  - pcm_s8
  - pcm_s8_planar
  - pcm_s16be
  - pcm_s16be_planar
  - pcm_s16le
  - pcm_s16le_planar
  - pcm_s24be
  - pcm_s24daud
  - pcm_s24le
  - pcm_s24le_planar
  - pcm_s32be
  - pcm_s32le
  - pcm_s32le_planar
  - pcm_s64be
  - pcm_s64le
  - pcm_u8
  - pcm_u16be
  - pcm_u16le
  - pcm_u24be
  - pcm_u24le
  - pcm_u32be
  - pcm_u32le
  - roq_dpcm
  - adpcm_adx
  - g722
  - g726
  - g726le
  - adpcm_ima_qt
  - adpcm_ima_wav
  - adpcm_ms
  - adpcm_swf
  - adpcm_yamaha
  - libgsm
  - libgsm_ms
  - libmp3lame
  - libopus
  - libshine
  - libspeex
  - libtwolame
  - libvorbis
  - libwavpack
...
---
formats:
  - a64
  - ac3
  - adts
  - adx
  - aiff
  - amr
  - apng
  - asf
  - ass
  - ast
  - asf_stream
  - au
  - avi
  - avm2
  - bit
  - caf
  - cavsvideo
  - crc
  - dash
  - data
  - daud
  - dirac
  - dnxhd
  - dts
  - dv
  - eac3
  - f4v
  - ffm
  - ffmetadata
  - fifo
  - filmstrip
  - fits
  - flac
  - flv
  - framecrc
  - framehash
  - framemd5
  - g722
  - g723_1
  - g726
  - g726le
  - gif
  - gsm
  - gxf
  - h261
  - h263
  - h264
  - hash
  - hds
  - hevc
  - hls
  - ico
  - ilbc
  - image2
  - image2pipe
  - ipod
  - ircam
  - ismv
  - ivf
  - jacosub
  - latm
  - lrc
  - m4v
  - md5
  - matroska
  - matroska
  - microdvd
  - mjpeg
  - mlp
  - mmf
  - mov
  - mp2
  - mp3
  - mp4
  - mpeg
  - vcd
  - mpeg1video
  - dvd
  - svcd
  - mpeg2video
  - vob
  - mpegts
  - mpjpeg
  - mxf
  - mxf_d10
  - mxf_opatom
  - null
  - nut
  - oga
  - ogg
  - ogv
  - oma
  - opus
  - alaw
  - mulaw
  - f64be
  - f64le
  - f32be
  - f32le
  - s32be
  - s32le
  - s24be
  - s24le
  - s16be
  - s16le
  - s8
  - u32be
  - u32le
  - u24be
  - u24le
  - u16be
  - u16le
  - u8
  - psp
  - rawvideo
  - rm
  - roq
  - rso
  - rtp
  - rtp_mpegts
  - rtsp
  - sap
  - scc
  - segment
  - stream_segment,ssegment
  - singlejpeg
  - smjpeg
  - smoothstreaming
  - sox
  - spx
  - spdif
  - srt
  - sup
  - swf
  - tee
  - 3g2
  - 3gp
  - mkvtimestamp_v2
  - truehd
  - tta
  - uncodedframecrc
  - vc1
  - vc1test
  - voc
  - w64
  - wav
  - webm
  - webm_dash_manifest
  - webm_chunk
  - webp
  - webvtt
  - wtv
  - wv
  - yuv4mpegpipe
  - chromaprint
  - alsa
  - caca
  - fbdev
  - opengl
  - oss
  - pulse
  - sdl,sdl2
  - sndio
  - v4l2
  - xv
...
MLT detection succeeded, 165 formats, 99 video codecs and 71 audio codecs found.
538 MLT services found.
Loading render profiles...
Loading filters...
Brightness dropped, MLT version too low for this filter.
Loading transitions...
RGB Adjustment dropped for Color Adjustment
Hue dropped for Color Adjustment
Gamma dropped for Lift Gain Gamma
G'MIC found
Natron not found
Player initialized with profile:  DV/DVD PAL
Segmentation fault

Relevant output from dmesg:

[3369050.776134] flowblade[22604]: segfault at 10 ip 00007f5e9e84bc60 sp 00007fff25f01a48 error 4 in libpthread-2.27.so[7f5e9e842000+19000]


*** End of the template - remove these template lines ***


-- System Information:
Debian Release: buster/sid
  APT prefers testing
  APT policy: (200, 'testing')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 4.14.0-3-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages flowblade depends on:
ii  frei0r-plugins        1.6.1-2
ii  gir1.2-gdkpixbuf-2.0  2.36.11-2
ii  gir1.2-glib-2.0       1.56.1-1
ii  gir1.2-gtk-3.0        3.22.29-3
ii  gir1.2-pango-1.0      1.42.0-1
ii  gmic                  1.7.9+zart-4.1
ii  librsvg2-common       2.40.20-2
ii  python                2.7.15~rc1-1
ii  python-cairo          1.16.2-1
ii  python-dbus           1.2.8-2
ii  python-gi             3.28.2-1
ii  python-gi-cairo       3.28.2-1
ii  python-mlt            6.8.0-1
ii  python-numpy          1:1.14.3-2
ii  python-pil            4.3.0-2
ii  swh-plugins           0.4.17-2

flowblade recommends no packages.

flowblade suggests no packages.

-- no debconf information