[Bug 1846837] Re: totem-video-thumbnailer in Ubuntu 20.04 is currently broken on aarch64

[RussianNeuroMancer]

Just noticed that this issue affect regular Totem video player too. And
it also is still reproducible on 20.10.

** Also affects: gcc-10 (Ubuntu)
   Importance: Undecided
       Status: New

** Also affects: totem (Ubuntu)
   Importance: Undecided
       Status: New

** Summary changed:

- totem-video-thumbnailer in Ubuntu 20.04 is currently broken on aarch64
+ totem-video-thumbnailer in Ubuntu 20.04/20.10 is currently broken on aarch64

** Summary changed:

- totem-video-thumbnailer in Ubuntu 20.04/20.10 is currently broken on aarch64
+ Totem and totem-video-thumbnailer in Ubuntu 20.04/20.10 is currently broken on aarch64

** Bug watch added: gitlab.freedesktop.org/gstreamer/gstreamer/-/issues #648
   https://gitlab.freedesktop.org/gstreamer/gstreamer/-/issues/648

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Title:
  Totem and totem-video-thumbnailer in Ubuntu 20.04/20.10 is currently
  broken on aarch64

Status in gcc-10 package in Ubuntu:
  New
Status in gcc-9 package in Ubuntu:
  New
Status in gst-libav1.0 package in Ubuntu:
  New
Status in totem package in Ubuntu:
  New

Bug description:
  Hello!

  I found that totem-video-thumbnailer is broken on aarch64. It fail
  with following error:

  (totem-video-thumbnailer:12136): GStreamer-WARNING **: 00:43:52.740:
  Failed to load plugin '/usr/lib/aarch64-linux-
  gnu/gstreamer-1.0/libgstlibav.so': /lib/aarch64-linux-
  gnu/libgomp.so.1: cannot allocate memory in static TLS block

  (totem-video-thumbnailer:12136): GStreamer-WARNING **: 00:43:52.764:
  Failed to load plugin '/usr/lib/aarch64-linux-
  gnu/gstreamer-1.0/libgstlibav.so': /lib/aarch64-linux-
  gnu/libgomp.so.1: cannot allocate memory in static TLS block

  (totem-video-thumbnailer:12136): GStreamer-WARNING **: 00:43:52.788:
  Failed to load plugin '/usr/lib/aarch64-linux-
  gnu/gstreamer-1.0/libgstlibav.so': /lib/aarch64-linux-
  gnu/libgomp.so.1: cannot allocate memory in static TLS block

  I tried to rollback all related packages I could think of (totem,
  gcc-9, ffmpeg) to previous releases, but for some reason this doesn't
  help. I remember video thumbnail generation on aarch64 worked fine few
  weeks ago.

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