I just found some time again and tried the last image from vpeter (http://vpeter.libreelec.tv/imx6-solidrun....14.img.gz).
Sadly the problems remain the same, channel starts playing and then when I want to switch channels freeze. The only thing I can do is stop the channel and start again but then most of the time audio will not sync. It does not matter what kind of deintlerlacing I am using BOB.BOB Half.IMX or what ever or even when I simply put deinterlace off no luck. Even the suggestings to chance the settings in the TVHeadend addon (answer timeout from 5 to 10 sec) did nothing.
I am still using Liberelec 7.03 on the production Cu-Boxes where all these problems do not exits.
Am i missing something do I have a wrong setting somewhere. Is this problem related to the latest updates of the kernel of the cu-box. I am still hoping that somebody can help me with this problem?
and vpeter allready many thanks for the effort you put into this !
PS: what also frustrates me that there is no error message in the logs not on KODI in the systemlog or on TVHeadend