with vdr 1.7.16 and reelbox plugin (eHD) this channels are ok in live tv (even with some BER with my dish, Warszawa seemed to be weaker, i also got UNC's there but no real problems, only a small picture distortion some times)
And Reinhard also sees them ok with vdr-xine, while I still have problems both with vdr-xine and the dxr3 :-/
I have used to have problems for watching some "pretty weak signal" DVB-T channels also which seemed always lost the log after 5 minute usage, until vdr killed and restarted itself. The problem went away for me after I changed from the vdr settings the EPG scan mode to "newer" or something like that. (I am not near to my vdr at the moment, so I can not check the exact location and text for this menu in the vdr.)
Can you test, whether the same thing could help also you?
I am running 2 card system - hauppauge hvr-1300 dvb-t connected - hauppauge hvr-4000 dvb-s connected dvb-t not connected because vdr does not support using both the dvb-s and t from the hvr-4000.
Mika