Bug#916595: vlc: program doesn't close its process in some cases

[Bernhard Übelacker <bernhardu@mailbox.org>]

Hello bitfreak25,
trying to get more details out of it I recognised that my physical PC
is also using radeonsi. "Unfortunately" my vlc closes correctly.

I tried to watch how on my system vlc is running through vout_display_opengl_Delete
and found that on mine it diverts into dri2_flush_swapbuffers instead of
loader_dri3_swapbuffer_barrier as in your system.
That might depend from the hardware or driver version.

Therefore you might add the output of following commands:

  dpkg -l | grep -i -E "libglx-mesa0|libgl1-mesa-dri|vlc-plugin-video-output"

  lspci | grep VGA

Kind regards,
Bernhard