Hey
A friend of mine searched for my pf-kernel builds for Ubuntu and found this thread. He gave me the link and I saw that you have some problems. I'm here to help. I don't know italian (but I understand 50% of what you guys say, since our languages are based on latin) and I used Google Translate to translate this thread in english. I hope you guys understand english, or else I'm forced to use Google Translate again, and we all know how good it doesn't translate...
First of all, I'd appreciate if someone names the thread correctly: The name of the kernel is not Big-Bum (with uppercases) but "big-bum". I know this is not a big deal, but that's the correct name. I use this name/username on forums since 2006 (with little variations if big_bum is already taken, like it was now) and I named the kernel after my username.
Second, I see that you use Synapse to setup this kernel. Synapse doesn't play so nice with kernels that have cpu-boost driver. I'd personally recommend you try my version of Kernel Tweaker (
https://github.com/StefanescuCristia...kernel-tweaker). It's still a WIP so it lacks some tunables for touch gestures and it crashes when trying to review the boot items, but I didn't forget about it and I hope I will update it soon. So if someone adds it to the first/second post, I'd appreciate that too.
Third.
Bluetooth problems: I've reverted everything for bluetooth stack to the Lollipop 5.0 release. I also compiled it with -O2 (the default set of optimisations). Someone said that's it's better this way, so it stays as is. I was having problems with Bluetooth on stock Lollipop too (I used stock 5.0 for a few days before switched to Optipop) so what I can say is that Bluetooth on Nexus5 really sux.
Lag: Is it laggy all the time or it runs OK and after a while it makes a pause and then it works OK again? Anyway, it doesn't matter anymore. I've added a tunable to use the frequency calculator from Code_Blue, so now the governor should respond better to the load. Keep in mind that it can and it will eat your battery in less time than the old calculator. It will be available in the next version.
Any other questions: write a list, and I'll try to answer to it.
Thanks.