[KERNEL][LineageOS 13/14.1] Steel 6/7 Kernel

[Nick80835]

I had to get this out before tomorrow. Version 2017-05-21:21 is up with a few bug fixes and enhancements to fix what the last build surely broke!

Enjoy and report bugs! :good:

Link: https://drive.google.com/file/d/0B9YVqhP7dzbrVFBTX2VSZmtWUlU/view?usp=drivesdk

 

[CounterC]

I had to get this out before tomorrow. Version 2017-05-21:21 is up with a few bug fixes and enhancements to fix what the last build surely broke!

Enjoy and report bugs! :good:

Link: https://drive.google.com/file/d/0B9YVqhP7dzbrVFBTX2VSZmtWUlU/view?usp=drivesdk

Thanks a lot, what can you tell us about your default kernel parameters? Why shouldn't we change it?

 

[Nick80835]

Thanks a lot, what can you tell us about your default kernel parameters? Why shouldn't we change it?

You can change it all you want, the main reason my defaults are the way they are is because of battery and finding a balance between that and a smooth UI. I switched from interactive to cultivation as the default CPU governor because it is less aggressive at ramping up the frequencies. Rest assured though, cultivation is based on interactive and should be just as good. NOOP is the default IO scheduler because it's simple and simple is what's best on CPU and battery. The way it's set up by default should be a good config for an average user but you can change it all you want with a kernel tuning app like Kernel Adiutor. The presets in Spectrum have few differences but they will surely end up with a different experience but I wouldn't suggest keeping it on performance or gaming 24/7 because that would use a ton of power.

 

[Nick80835]

Version 2017-05-22:05 is up with minor reliability fixes for Spectrum and power improvements for the default profile for Spectrum. The a57 cluster should follow the rules properly now. Please report issues as they are found! :fingers-crossed:

Link: https://drive.google.com/file/d/0B9YVqhP7dzbraDBSQmFuUndEcHc/view?usp=drivesdk

 

[nexus_vl]

Great kernel, loving it!
Had some strange behavior with previous versions, sometimes when rebooting I couldn't get past the OnePlus logo, it kept on rebooting from there on.
After couple of times shutting down the device it would again boot normally. (Tested on lineage 14.1, RR and oasp rom, with same result)
It seems to be gone with latest version.
A good tuned interactive gov still seems the best way to go for good performance versus battery .
Can't​ resist posting some benchmarks
I'm on unofficial pure Nexus ROM.
Highly tuned Steel 7 kernel (obviously)
Hexacore setup (2 high speed cores disabled)
Disabled hotplug, 6cores always online 302Mhz-2,13GHz over/underclock.
Great standby time,only 2% over roughly 7 hours. Not yet had the time to see how my SOT is doing.
Thanks for your great work and your time @Nick80835

 

[Nick80835]

Great kernel, loving it!
Had some strange behavior with previous versions, sometimes when rebooting I couldn't get past the OnePlus logo, it kept on rebooting from there on.
After couple of times shutting down the device it would again boot normally. (Tested on lineage 14.1, RR and oasp rom, with same result)
It seems to be gone with latest version.
A good tuned interactive gov still seems the best way to go for good performance versus battery .
Can't​ resist posting some benchmarks
I'm on unofficial pure Nexus ROM.
Highly tuned Steel 7 kernel (obviously)
Hexacore setup (2 high speed cores disabled)
Disabled hotplug, 6cores always online 302Mhz-2,13GHz over/underclock.
Great standby time,only 2% over roughly 7 hours. Not yet had the time to see how my SOT is doing.
Thanks for your great work and your time @Nick80835

What are the temperatures?

 

[nexus_vl]

What are the temperatures?

I'm guessing they went up pretty high, although I didn't record them.
I deleted rom thermal file to only rely on Qualcomm core control

 

[Nick80835]

I'm guessing they went up pretty high, although I didn't record them.
I deleted rom thermal file to only rely on Qualcomm core control

Perhaps I can advertise the gaming mode in my kernel as a hand warmer.

 

[yousuf.shareef]

The sound is cracking and interrupted after the latest update

 

[Nick80835]

The sound is cracking and interrupted after the latest update

I am aware of this, I may be working on a fix but I'm not sure when I'll release an update because I'm testing tons of stuff and I'm a little busy with my life atm..

 

[yousuf.shareef]

I am aware of this, I may be working on a fix but I'm not sure when I'll release an update because I'm testing tons of stuff and I'm a little busy with my life atm..

Sure no problem

 

[Nick80835]

New update is up, version 2017-05-24:18! The default GPU governor is back to simple_ondemand because it's more power efficient than even msm-adreno-tz with adreno idler. Audio popping should be reduced, no promises, sorry.. Spectrum profiles should now be more reliable and stable due to new apply methods. A few bugs have been fixed and battery life should be a bit better I hope. I also reduced thingies so they can do more thingy. Interactive is the default CPU governor again too. Have fun! I hope nothing weird happens but if something does happen please tell me! :highfive:

Link: https://drive.google.com/file/d/0B9YVqhP7dzbrd0lEY3MwbUtQUmM/view?usp=drivesdk

I shall conquer all the lands of kerneltopia! :victory:

 

[Yoyoa]

Hello,
Great Kernel,
only things is led notification still didn't work for me, i'm on lineage by seraph.

Thanks

 

[Nick80835]

Hello,
Great Kernel,
only things is led notification still didn't work for me, i'm on lineage by seraph.

Thanks

I apologize, I haven't been able to work at all for the past few days and I'm finally going back home today. I might push a small update later, maybe not. I still haven't found what the root cause of the LED issue is, I might have to flash the ROM myself and gather some logs and see what's causing the issue.

 

[chetan_1215]

Hello there, the kernel is pretty good however whenever I'm trying to click pics in dark with flash on, the flashlight isn't syncing with camera. I'm sure it's kernel related, cause when I flashed back the rom with stock kernel the flashlight was working well.

 

[anupritaisno1]

Hello there, the kernel is pretty good however whenever I'm trying to click pics in dark with flash on, the flashlight isn't syncing with camera. I'm sure it's kernel related, cause when I flashed back the rom with stock kernel the flashlight was working well.

Bug report is incomplete
Mention

ROM name
ROM build date
ROM build type
Whether ROM is official or not
Whether ROM has added HAL3

Without this information replying to your support request is impossible

 

[chetan_1215]

Bug report is incomplete
Mention

ROM name
ROM build date
ROM build type
Whether ROM is official or not
Whether ROM has added HAL3

Without this information replying to your support request is impossible

Unofficial RR
With the latest kernel
And latest version of it
Yes it has added hal3

 

[Nick80835]

Unofficial RR
With the latest kernel
And latest version of it
Yes it has added hal3

I have the issue as well, XenonHD so it may either be with both of these roms or with LOS. I'll do some testing and see if maybe a bad merge or cherry pick caused it, most likely.

 

[Aakash9]

After flashing this kernel . I can't connect my device to a desktop . Adb shows my device is offline . My device isn't showing near my other storage devices
Can it be related to this or is it related to ROM?
ROM:-LoS14.1 18 May

 

[Nick80835]

After flashing this kernel . I can't connect my device to a desktop . Adb shows my device is offline . My device isn't showing near my other storage devices
Can it be related to this or is it related to ROM?
ROM:-LoS14.1 18 May

Try reflashing your ROMs stock kernel or just reflash the ROM and reinstall the necessary packages such as GApps. If USB is working properly after rebooting then I will take further action and testing myself.