Titanium Backup not working on rage kernel and Hasa MIUI 2.9.7

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http://forum.xda-developers.com – Guys will you help me out... I have change my kernel from krsh kernel to rage kernel... after i flash rager kernel and hasa MIUI 2.9.7 the titanium backup pro isnt working its asking for the root rights but as i know rage kernel is pre rooted so what will i do to make the titanium backup pro works??? or do i ned to root my phone... i have unlocked my boot unloader (HowTos)