LMS stops streaming internet radio after 30 minutes

Hi. I have an issue with internet radio streaming - it stops itself exactly after 30 mins of playing and after that in the speakers appear quiet noisy sound. The music files from local disk are playing without any problems.

The system is: Linux raspberrypi 3.18.11-v7+ #781 SMP PREEMPT Tue Apr 21 18:07:59 BST 2015 armv7l GNU/Linux, LMS is the latest version: Logitech Media Server Version: 7.9.0 - 1456328637 @ Wed Feb 24 17:47:19 UTC 2016

Any ideas?