Tvheadend

Hey there,

recently i went from tvheadend 3.4 (kodi gotham) to tvheadend 3.9.2496~gd386ed0 (kodi helix 14.2) and although almost everything seems to work very good now, i noticed that putting my dvb-c usb tuners to sleep seems to not work anymore.

"Power safe" is checked of course, EPG disabled so it doesn't get i the way. (initial scan, idle scanning, also all disabled)

When i watch the debug output in the tvh webinterface, the tuners don't get closed with a little message like they used to in 3.4?

for example, on 3.9

Loglevel debug: enabled
2015-03-08 15:30:02.178 service: esfilter: AUDIO 002 001 05102 AC3 ger "KD/330MHz/Das Erste HD" USE
2015-03-08 15:30:02.178 service: esfilter: AUDIO 002 002 05102 AC3 ger "KD/330MHz/Das Erste HD" USE
2015-03-08 15:30:02.178 service: esfilter: AUDIO 003 002 05103 AC3 mis "KD/330MHz/Das Erste HD" USE
2015-03-08 15:30:02.178 mpegts: 330MHz in KD - tuning on 002 DRXK DVB-C DVB-T : DVB-C #0
2015-03-08 15:30:02.178 subscription: 0001: "127.0.0.1 [ XBMC Media Center ]" subscribing on "Das Erste HD", weight: 150, adapter: "002 DRXK DVB-C DVB-T : DVB-C #0", network: "KD", mux: "330MHz", provider: "ARD", service: "Das Erste HD", hostname="127.0.0.1", username="", client="XBMC Media Center" 
2015-03-08 15:30:09.600 subscription: 0001: "127.0.0.1 [ XBMC Media Center ]" unsubscribing from "Das Erste HD", hostname="127.0.0.1", username="", client="XBMC Media Center" 

after unsubscribing just nothing happens for hours, the tuner stays awake.

Let me know if you need some more data.

Thank you!

setup:

intel nuc d54250wykh
openelec 5.0.5 (kodi 14.2)
dvb-c usb-tuners:
Terratec Cinergy HTC USB XS HD ( http://bilder.pcwelt.de/3361723_800x400.jpg )
(i got 3, but the problem exists even with only 1 connected - if that matters?)