okay so with this test repo, what additional or fundamental steps for the best debug results should I follow? if have the 42.2 -> 42.3 system here, can add (modify) all the 15. repos (oss, non-oss, update-oss, update-non-oss) and this special systemd repo and set the systemd special repo to highest prio and then zypper dup --download-in-advance right? what kernel variables, scripts or debug stuff should i follow additonally? or is the special debug repo already including all that is needed?