This happens to me on every lollipop rom i've tried, I foxed it by changing my headphones, it usually happens when you use headphones that have no mic, I had to buy new ones with a mic which work fine.
There is a headphone fix in General section w...
there is a new 9.0 nightly from the AICP guys.
Talking about the new nightly
well i download it and install it and had boot loop, return to 20150402 release.
Later this night i'll try with a fresh install
Bootloop for me too.... Even with clean install
Is it CM recovery or CWM or TWRP?
Its cm recovery