I pretty much started with the Leap 42.1 KDE build but replaced all
repos with tumbleweed repos. However, the boot fails after some repeated
short building like lines to "reboot in 120s" countdown.

Any critical changes that need to be made to build TW from leap 42.1?

Lenovo Y510P : openSUSE Leap 42.1 x86_64 KDE
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