Conference with screenshare always dropped after a few minutes if over VPN

[gy-lehel]

1-1 Calls are OK, stable
Conference calls without screenshare are stable.
Conference calls with screenshare are always dropped after 30-90 seconds

ii freerdp-sipe 1.1.0git20150628.1.084b365+dfsg-0+sipe177ubuntu16.04.1 amd64 RDP client for Windows Terminal Services (X11 client)
ii freerdp-sipe-dbg:amd64 1.1.0git20150628.1.084b365+dfsg-0+sipe177ubuntu16.04.1 amd64 RDP client for Windows Terminal Services (xfreerdp-client debug symbols)
ii freerdp2-x11 2.0.0git20170725.1.1648deb+dfsg1+sipe-1201803191823ubuntu16.04.1 amd64 RDP client for Windows Terminal Services (X11 client)
ii gstreamer1.0-nice:amd64 0.1.15+sipe-1+201812302006ubuntu16.04.1 amd64 ICE library (GStreamer plugin)
ii libfarstream-0.2-5:amd64 0.2.8+sipe+collab-1+201812302234ubuntu16.04.1 amd64 Audio/Video communications framework: core library
ii libfreerdp-client2-2:amd64 2.0.0git20170725.1.1648deb+dfsg1+sipe-1201803191823ubuntu16.04.1 amd64 Free Remote Desktop Protocol library (client library)
rc libfreerdp-codec1.1:amd64 1.1.0git20140921.1.440916e+dfsg1-5ubuntu1 amd64 Free Remote Desktop Protocol library (codec library)
ii libfreerdp-server2-2:amd64 2.0.0git20170725.1.1648deb+dfsg1+sipe-1201803191823ubuntu16.04.1 amd64 Free Remote Desktop Protocol library (server library)
ii libfreerdp-shadow-subsystem2-2:amd64 2.0.0git20170725.1.1648deb+dfsg1+sipe-1201803191823ubuntu16.04.1 amd64 FreeRDP Remote Desktop Protocol shadow subsystem libraries
ii libfreerdp-shadow2-2:amd64 2.0.0git20170725.1.1648deb+dfsg1+sipe-1201803191823ubuntu16.04.1 amd64 FreeRDP Remote Desktop Protocol shadow libraries
ii libfreerdp2-2:amd64 2.0.0git20170725.1.1648deb+dfsg1+sipe-1201803191823ubuntu16.04.1 amd64 Free Remote Desktop Protocol library (core library)
ii libnice10:amd64 0.1.15+sipe-1+201812302006ubuntu16.04.1 amd64 ICE library (shared library)
ii libpurple0 1:2.12.0-1ubuntu4sipe1 amd64 multi-protocol instant messaging library
rc libwinpr-synch0.1:amd64 1.1.0git20140921.1.440916e+dfsg1-5ubuntu1 amd64 Windows Portable Runtime library (synch library)
ii libwinpr-tools2-2:amd64 2.0.0git20170725.1.1648deb+dfsg1+sipe-1201803191823ubuntu16.04.1 amd64 Windows Portable Runtime Tools library
rc libwinpr-utils0.1:amd64 1.1.0git20140921.1.440916e+dfsg1-5ubuntu1 amd64 Windows Portable Runtime library (utils library)
ii libwinpr2-2:amd64 2.0.0git20170725.1.1648deb+dfsg1+sipe-1201803191823ubuntu16.04.1 amd64 Windows Portable Runtime library
hi pidgin 1:2.12.0-1ubuntu4sipe1 amd64 graphical multi-protocol instant messaging client
ii pidgin-data 1:2.12.0-1ubuntu4sipe1 all multi-protocol instant messaging client - data files
ii pidgin-libnotify 0.14-9ubuntu2 amd64 display notification bubbles in pidgin
ii pidgin-sipe 1.24.0+sipe-0+201812302234ubuntu16.04.1 amd64 Pidgin plugin for Skype for Business and Microsoft Lync
ii remmina 1.2.0-rcgit.27+dfsg-3+sipe201803191953ubuntu16.04.1 amd64 GTK+ Remote Desktop Client
ii remmina-common 1.2.0-rcgit.27+dfsg-3+sipe201803191953ubuntu16.04.1 all Common files for Remmina
ii remmina-plugin-rdp:amd64 1.2.0-rcgit.27+dfsg-3+sipe201803191953ubuntu16.04.1 amd64 RDP plugin for Remmina
ii remmina-plugin-secret:amd64 1.2.0-rcgit.27+dfsg-3+sipe201803191953ubuntu16.04.1 amd64 Secret plugin for Remmina
ii remmina-plugin-spice:amd64 1.2.0-rcgit.27+dfsg-3+sipe201803191953ubuntu16.04.1 amd64 Spice plugin for Remmina

[gy-lehel]

debug.log.gz

[gy-lehel]

logs.gz

[gy-lehel]

Can be provoked by muting unmuting and muting again.

[gy-lehel]

Workaround to avoid crash is to mute/unmute from pavucontrol application using pulseaudio

[gy-lehel]

Message on stderr when muting disconnects audio:

0:09:05.396903251 6143 0x7f06b802ec00 WARN audiosrc gstaudiosrc.c:244:audioringbuffer_thread_func: error reading data -1 (reason: Resource temporarily unavailable), skipping segment

[gy-lehel]

Messages on stderr when joining conference:

0:10:20.570034528 6143 0x5561bb39b140 FIXME default gstutils.c:3766:gst_pad_create_stream_id_internal:<pidgindefaultaudiosrc-actual-src-puls:src> Creating random stream-id, consider implementing a deterministic way of creating a stream-id
0:10:20.572489615 6143 0x7f06fc004050 FIXME default gstutils.c:3766:gst_pad_create_stream_id_internal:nicesrc8:src Creating random stream-id, consider implementing a deterministic way of creating a stream-id
0:10:20.572744885 6143 0x5561bafa4450 FIXME default gstutils.c:3766:gst_pad_create_stream_id_internal:nicesrc9:src Creating random stream-id, consider implementing a deterministic way of creating a stream-id
0:10:36.931003776 6143 0x7f06e801f1e0 FIXME default gstutils.c:3766:gst_pad_create_stream_id_internal:dtmfsrc3:src Creating random stream-id, consider implementing a deterministic way of creating a stream-id
0:10:36.947640493 6143 0x5561bb39b140 FIXME basesink gstbasesink.c:3126:gst_base_sink_default_event: stream-start event without group-id. Consider implementing group-id handling in the upstream elements
0:10:36.947674250 6143 0x5561bb39b140 FIXME basesink gstbasesink.c:3126:gst_base_sink_default_event: stream-start event without group-id. Consider implementing group-id handling in the upstream elements
0:10:38.168572968 6143 0x5561bb3e3d90 FIXME basesink gstbasesink.c:3126:gst_base_sink_default_event: stream-start event without group-id. Consider implementing group-id handling in the upstream elements