[david1976aus]

What can you suggest to diagnose that? as it seems to happen on a variety of video files

A debug log, as usual.

I did a tail of the kodi.log when the video hangs and the following is what is there:

14:42:33 80286.031250 T:1210712992 NOTICE: running thread: CVideoPlayerAudio:rocess()
14:42:33 80286.031250 T:1526461344 NOTICE: CDVDMessageQueue::GetLevel() - can't determine level
14:42:33 80286.031250 T:1210712992 NOTICE: Previous line repeats 3 times.
14:42:33 80286.039062 T:1210712992 NOTICE: Creating audio stream (codec id: 86019, channels: 6, sample rate: 48000, no pass-through)
15:11:14 82007.578125 T:1227490208 WARNING: CRenderManager::WaitForBuffer - timeout waiting for buffer
15:22:51 82704.195312 T:1210712992 NOTICE: CDVDMessageQueue::GetLevel() - can't determine level
15:22:51 82704.265625 T:1210712992 NOTICE: CVideoPlayerAudio:rocess - stream stalled
15:23:03 82715.843750 T:1963323392 NOTICE: CVideoPlayer::CloseFile()
15:23:03 82715.843750 T:1963323392 NOTICE: VideoPlayer: waiting for threads to exit15:23:03 82716.132812 T:1227490208 WARNING: CRenderManager::WaitForBuffer - timeout waiting for buffer

Any suggestions?