Yavdr fährt manchmal nicht richtig hoch, bzw. von alleine wieder runter?!

Feb  5 19:36:36 yavdr kernel: imklog 5.8.6, log source = /proc/kmsg started.
Feb  5 19:36:36 yavdr kernel: [    9.000314] DVB: registering new adapter (KNC1 DVB-C MK3)
Feb  5 19:36:36 yavdr kernel: [    9.700870] DVB: registering adapter 0 frontend 0 (Philips TDA10023 DVB-C)...
Feb  5 19:36:36 yavdr kernel: [    9.704263] DVB: registering new adapter (KNC1 DVB-C MK3)
Feb  5 19:36:36 yavdr kernel: [   10.144870] DVB: registering adapter 1 frontend 0 (Philips TDA10023 DVB-C)...
Feb  5 19:36:36 yavdr vdr: [926] VDR version 1.7.27 started
Feb  5 19:36:37 yavdr vdr: [926] dbus2vdr: use shutdown-hooks in /usr/share/vdr/shutdown-hooks
Feb  5 19:36:37 yavdr vdr: [926] dbus2vdr: use shutdown-hooks-wrapper /usr/share/vdr-plugin-dbus2vdr/shutdown-wrapper
Feb  5 19:36:37 yavdr vdr: [926] ERROR: unknown config parameter: markad.DeferredShutdown = 0
Feb  5 19:36:37 yavdr vdr: [926] dynamite: creating dynamic device slots as much as possible
Feb  5 19:36:37 yavdr vdr: [926] dynamite: probing /dev/dvb/adapter0/frontend0
Feb  5 19:36:37 yavdr vdr: [926] dynamite: probing /dev/dvb/adapter1/frontend0
Feb  5 19:36:37 yavdr vdr: [926] dynamite: /dev/dvb/adapter0/frontend0 is a dvb adapter trying to set card index to 0
Feb  5 19:36:37 yavdr vdr: [926] dynamite: attached device /dev/dvb/adapter0/frontend0 to dynamic device slot 1
Feb  5 19:36:37 yavdr vdr: [926] dynamite: /dev/dvb/adapter1/frontend0 is a dvb adapter trying to set card index to 1
Feb  5 19:36:37 yavdr vdr: [926] dynamite: attached device /dev/dvb/adapter1/frontend0 to dynamic device slot 2
Feb  5 19:41:40 yavdr vdr: [1167] dbus2vdr: new message, object /Shutdown, interface de.tvdr.vdr.shutdown, member ConfirmShutdown
Feb  5 19:46:40 yavdr vdr: [1167] dbus2vdr: new message, object /Shutdown, interface de.tvdr.vdr.shutdown, member ConfirmShutdown