kurento media server gstreamer 1.5/1.0, glib
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st...@belochka.kz
Apr 18, 2021, 1:52:24 PM4/18/21
to BigBlueButton-Setup
good day,
help plz, so I do not have enough knowledge to solve it
problem started after upgrading bbb from ~2.2.11 to 2.2.3x through
apt upgrade
apt downloaded new version of kurento-media-server
~$ kurento-media-server -v
Kurento Media Server version: 6.15.0
As far as I understand new version works with gstreamer1.5, but previous builds in 2.2.11 work with gstreamer1.0 (i think so).
~$ systemctl status kurento-media-server
Apr 16 21:22:38 live03 kurento-media-server[27945]: - remove it and restart.
Apr 16 21:22:38 live03 kurento-media-server[27945]: - run with --gst-disable-segtrap --gst-disable-registry-fork and debug.
Apr 16 21:22:38 live03 kurento-media-server[27945]: 0:00:00.381312474 27945 0x5626a82f66f0 ERROR GST_PLUGIN_LOADING gstpluginloader.c:277:plugin_loader_replay_pending: Plugin file /usr/lib/x86_64-linux-gnu/gstreamer-1.5/include/gst/gstreamer-1.5/libgsttcp.so failed to load. Blacklisting
Apr 16 21:22:38 live03 kurento-media-server[27945]: (gst-plugin-scanner:28252): GStreamer-WARNING **: Failed to load plugin '/usr/lib/x86_64-linux-gnu/gstreamer-1.5/include/gst/gstreamer-1.5/libgstsdpelem.so': /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0: undefined symbol: g_atomic_ref_count_inc
Apr 16 21:22:38 live03 kurento-media-server[27945]: ERROR: Caught a segmentation fault while loading plugin file:
Apr 16 21:22:38 live03 kurento-media-server[27945]: /usr/lib/x86_64-linux-gnu/gstreamer-1.5/include/gst/gstreamer-1.5/libgstgdkpixbuf.so
Apr 16 21:22:38 live03 kurento-media-server[27945]: Please either:
Apr 16 21:22:38 live03 kurento-media-server[27945]: - remove it and restart.
Apr 16 21:22:38 live03 kurento-media-server[27945]: - run with --gst-disable-segtrap --gst-disable-registry-fork and debug.
Apr 16 21:22:38 live03 kurento-media-server[27945]: (gst-plugin-scanner:28421): GStreamer-WARNING **: Failed to load plugin '/usr/lib/x86_64-linux-gnu/gstreamer-1.5/include/gst/gstreamer-1.5/libgstgdkpixbuf.so': /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0: undefined symbol: g_atomic_ref_count_inc
/usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 go to symbolic link to /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0.6400.2
if change it to /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0.4800.2 and a few more similar files (libgobject and etc) from *6400* to *4800* kurento starts to work correctly (comes to life). This solution i got in article about glib https://medium.com/@Aenon/glib-symbol-lookup-bug-in-debian-or-ubuntu-def678dab5a6
after that the problem is that everything works for a while, but after 5-7 days the symbolic links automatically (without my intervention) fall into the old places and the kurento falls off again with error which I described above. Tell me in which direction I need to look to fix this bug?
the reason why files of alternative glib files appeared on the server -
earlier I tried to install a new version of the glib for setting up the latest version of janus-gateway.
~$ bbb-conf -v
ii bbb-apps 1:2.2.0-56 amd64 BigBlueButton applications for Red5
ii bbb-apps-akka 2.2.0-104 all BigBlueButton Apps (Akka)
ii bbb-apps-screenshare 1:2.2.0-56 amd64 BigBlueButton screenshare module for Red5
ii bbb-apps-sip 1:2.2.0-11 amd64 BigBlueButton SIP module for Red5
ii bbb-apps-video 1:2.2.0-54 amd64 BigBlueButton video module for Red5
ii bbb-apps-video-broadcast 1:2.2.0-8 amd64 BigBlueButton video broadcast module for Red5
ii bbb-client 1:2.2.0-40 amd64 BigBlueButton Flash client
ii bbb-config 1:2.2.0-240 amd64 BigBlueButton configuration utilities
ii bbb-etherpad 1:2.2.0-79 amd64 The EtherPad Lite components for BigBlueButton
ii bbb-freeswitch-core 2:2.2.0-113 amd64 BigBlueButton build of FreeSWITCH
ii bbb-freeswitch-sounds 1:1.6.7-6 amd64 FreeSWITCH Sounds
ii bbb-fsesl-akka 2.2.0-79 all BigBlueButton FS-ESL (Akka)
ii bbb-html5 1:2.2.0-1157 amd64 The HTML5 components for BigBlueButton
ii bbb-mkclean 1:0.8.7-3 amd64 Clean and optimize Matroska and WebM files
ii bbb-playback-presentation 1:2.2.0-35 amd64 BigBluebutton playback of presentation
ii bbb-record-core 1:2.2.0-78 amd64 BigBlueButton record and playback
ii bbb-red5 1:1.0.10-16 amd64 The Red5 server for BigBlueButton
ii bbb-transcode-akka 2.2.0-8 all BigBlueButton Transcoder
ii bbb-web 1:2.2.0-156 amd64 BigBlueButton API
ii bbb-webrtc-sfu 1:2.2.0-117 amd64 BigBlueButton WebRTC SFU
ii bigbluebutton 1:2.2.0-5 amd64 Open source web conferencing platform (bbb)
ii ffmpeg 7:4.2.4-1ubuntu0.1bbb1~16.04.1 amd64 Tools for transcoding, streaming and playing of multimedia files
ii libavcodec-dev:amd64 7:4.2.4-1ubuntu0.1bbb1~16.04.1 amd64 FFmpeg library with de/encoders for audio/video codecs - development files
ii libavcodec58:amd64 7:4.2.4-1ubuntu0.1bbb1~16.04.1 amd64 FFmpeg library with de/encoders for audio/video codecs - runtime files
ii libavdevice58:amd64 7:4.2.4-1ubuntu0.1bbb1~16.04.1 amd64 FFmpeg library for handling input and output devices - runtime files
ii libavfilter7:amd64 7:4.2.4-1ubuntu0.1bbb1~16.04.1 amd64 FFmpeg library containing media filters - runtime files
ii libavformat-dev:amd64 7:4.2.4-1ubuntu0.1bbb1~16.04.1 amd64 FFmpeg library with (de)muxers for multimedia containers - development files
ii libavformat58:amd64 7:4.2.4-1ubuntu0.1bbb1~16.04.1 amd64 FFmpeg library with (de)muxers for multimedia containers - runtime files
ii libavresample4:amd64 7:4.2.4-1ubuntu0.1bbb1~16.04.1 amd64 FFmpeg compatibility library for resampling - runtime files
ii libavutil-dev:amd64 7:4.2.4-1ubuntu0.1bbb1~16.04.1 amd64 FFmpeg library with functions for simplifying programming - development files
ii libavutil56:amd64 7:4.2.4-1ubuntu0.1bbb1~16.04.1 amd64 FFmpeg library with functions for simplifying programming - runtime files
ii libopusenc0 0.2.1-1bbb1 amd64 High-level API for encoding Ogg Opus audio streams
ii libpostproc55:amd64 7:4.2.4-1ubuntu0.1bbb1~16.04.1 amd64 FFmpeg library for post processing - runtime files
ii libswresample-dev:amd64 7:4.2.4-1ubuntu0.1bbb1~16.04.1 amd64 FFmpeg library for audio resampling, rematrixing etc. - development files
ii libswresample3:amd64 7:4.2.4-1ubuntu0.1bbb1~16.04.1 amd64 FFmpeg library for audio resampling, rematrixing etc. - runtime files
ii libswscale5:amd64 7:4.2.4-1ubuntu0.1bbb1~16.04.1 amd64 FFmpeg library for image scaling and various conversions - runtime files
Paulo Lanzarin
Apr 18, 2021, 2:53:17 PM4/18/21
to bigbluebu...@googlegroups.com
> As far as I understand new version works with gstreamer1.5, but previous builds in 2.2.11 work with gstreamer1.0 (i think so).
No. Kurento always used gstreamer1.5 (which is their fork of gstreamer 1.8).
> the reason why files of alternative glib files appeared on the server -
> earlier I tried to install a new version of the glib for setting up the latest version of janus-gateway.
Can't you purge the derelict glib version, bust the ldconfig cache/linking, clean the gstreamer registry and then see if that works?
s,
prlanzarin
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