yashsingh1/xdaforums huggingface dataset:
[G Pad 8.3 Android Development] bogdanm:
Hi,

I'm trying to use Red Kernel r022 to get rid of the SD card unmount issue, but WiFi never turns on with this kernel.

My tablet is a LG G Pad 8.3 v500 (not GPE), running CM 12.1-20150622-UNOFFICIAL-awifi with its original kernel (3.4.0). It works very well in this configuration except for the SD card issue.

I've installed Red Kernel r022 from your link (the "CM nightlies" version). WiFi wasn't turning on, so I installed "v500-universal-selinux-disabler-bumped-signed.zip" to disable SELinux. SELinux mode was set to "permissive" after that, but I was still unable to enable WiFi. dmesg had this to say:

<6>[ 39.827117 / 07-28 20:19:14.322] wlan: loading driver v3.2.2.17

<6>[ 39.837219 / 07-28 20:19:14.332] DefaultCountry is US

<3>[ 39.908752 / 07-28 20:19:14.402] wlan: driver load failure

I'm out of ideas, so help would be very much appreciated.

Thanks,

Bogdan
[G Pad 8.3 Android Development] vicky-am:
No wifi with Euphoria 1.1 2015/7/11 5.1.1 & red kernel 22

Enviado desde mi LG-V500 mediante Tapatalk
[G Pad 8.3 Android Development] bogdanm:
An update to my previous post: after installing http://xdaforums.com/lg-g-pad-83/orig-development/v500-cyanogenmod-12-1-t3130490 (version 20150726) and the [MENTION=4517918]fefifofum[/MENTION] kernel build in http://xdaforums.com/showpost.php?p=61776225&postcount=374, everything seems to work fine so far, including WiFi.
[G Pad 8.3 Android Development] bjcrj:
Using mako hotplug core 2 turns off and won't start up again after screen off.
[G Pad 8.3 Android Development] Homurato:
Hello im not sure but is it compatible with official 5.0.2? Because i couldnt enable wifi and i had screen tearing issues using r22 and r21
[G Pad 8.3 Android Development] giant22000:
Wow, this kernel is awesome! Just stumbled acrossed it last night and it definitely runs good on slim kat!

Great job, will definitely be following your work!

[emoji106]
[G Pad 8.3 Android Development] Rick Roll:
r004 Released!

Changes:

lz4 compressor.

Some fixes and optimizations, see github.

Download: http://d-h.st/kmA
[G Pad 8.3 Android Development] Cal:
Installed the new 004, still show 003 in 'about' tablet. (Same as before install & reboot). ??
[G Pad 8.3 Android Development] Rick Roll:
The build date is Aug 27?
[G Pad 8.3 Android Development] Cal:
No, this *build* date is the same CM nightly (the 21st)...I only flashed each different kernel.

Each has changed, when changed to the new # to the latest #. That started with 001. Last update was .003, and with this flash stayed 003. The build # is the 27th...I thought the kernel # changed also?
[G Pad 8.3 Android Development] Cal:
No answer to my about post??
[G Pad 8.3 Android Development] Rick Roll:
Will be fixed on r005 :)
[G Pad 8.3 Android Development] raw2000j:
Does this suffer from brightness dim like other aosp kernels?
[G Pad 8.3 Android Development] seilogeo:
Is this kernel undervolted by 25mv by default?

Also what governor-hotplug is recommended for battery?

I love to hear opinions!!

All the best to the developer
[G Pad 8.3 Android Development] Rick Roll:
It comes with stock voltage, you can safe undervolt up to 100mv. I recommend intelliplug and intellidemand/intelliactive for battery.
[G Pad 8.3 Android Development] Rick Roll:
The upcoming versions will come without UKM scripts because we got official support from [MENTION=5658634]apb_axel[/MENTION]

Please download UKM from his thread if you want Synapse :)
[G Pad 8.3 Android Development] apb_axel:
Woot!. Anything you guys need just let me know ;).
[G Pad 8.3 Android Development] seilogeo:
Thanks

Already at - 100mv and I will try even more.

But how can I set the voltage on synapse without start on boot activated in case something go wrong.

There is only a global start on boot setting
[G Pad 8.3 Android Development] Rick Roll:
Open Synapse > Menu (the three blocks on the top right) > Settings > Uncheck "Apply on boot"

The previous settings will be saved but not applied, underp the voltages and tap on apply button.
[G Pad 8.3 Android Development] seilogeo:
I have noticed one thing, the first four frequencies starting from 384 mhz are using the same voltage. (800mv if I undervolt 100mv).

But with synapse I can only change them globally not individualy.

I believe they can go even at 700mv easily.

May I use another app to change them individualy or I can somehow do it with synapse.
[G Pad 8.3 Android Development] Rick Roll:
You should be able to do this on this version. :)

r005 Released!

Changes:

Min Voltage Reduced to 700mv

Misc fixes and optimizations

Download: http://d-h.st/PkU
[G Pad 8.3 Android Development] seilogeo:
Done it. Now I can undervolt individualy every Frequency.

All seems good, only the gamma settings are not adjustable any more.

Also the gamma Profiles are not there.

Other than that well done
[G Pad 8.3 Android Development] LiamAtkins90:
Flashed on latest Mahdi, so far so good, great selection of govners.

Hope it fixes 2 issues I had on a previous kernel.

If it doesn't I know it is ROM related and will try another ROM with this Kernel.

Thanks again will report back if my problems have been resolved.
[G Pad 8.3 Android Development] slebit:
Which problems?
[G Pad 8.3 Android Development] LiamAtkins90:
Random reboots which I pinned down to Google Chrome whilst the headphones where plugged in.

And the dim boot, but to be honest I liked the dim boot.

When I flashed AIC kernel the dim boot was gone but set the brightness to full and after a lock and unlock set the brightness to what it actually is on the device. Usually about 50%.

Whilst on AIC was the speaker glitch (which is fixed on the Mahdi builds as of August)

Kinda confused myself so I'll put it like this (sorry)

AIC

•Speakers

•Max brightness on OS until lock/unlock

Mahdi

•Fixed speakers

•Random reboots

Tried extracting the Mahdi kernel to a flashable zip and restored a old Mahdi build before the bugs, tried flashing the latest kernel in recovery and failed.

Probably different code, was worth a shot I guess hah.

Sent From V500

Using XDA App
[G Pad 8.3 Android Development] fantasmanegro:
hello,

using last redkernel version with aosp 5.1.1 rom give me SD card unmount
[G Pad 8.3 Android Development] bogdanm:
Yup, same here.
[G Pad 8.3 Android Development] Disrupthor:
Rick Roll, can you make a version of your kernel for LG stock ROM please?
[G Pad 8.3 Android Development] Indopilot:
I do agree - we definitely need this awesome kernel for stock LG lollipop! Please, please, please .... please..... ;)
[G Pad 8.3 Android Development] jonup:
Is there source for stock kernel? That's why there is no stock lg. This is all ported AOSP/GPE as far as I know. So no lg source to compile. Otherwise it's too easy not to have it.
[G Pad 8.3 Android Development] tmihai20:
Yes, there is source code available on LG support website for all flavours of the 8.4 G Pad. I downloaded it all, I might get into kernel building. There are just too many variables for me. http://opensource.lge.com/osSch/list?types=ALL&search=V500 It has been there even from earlier versions of KitKat (like V10C). It is still a lot of work to get a kernel for the stock ROM. I'd help in any way I can if help is needed.
[G Pad 8.3 Android Development] Disrupthor:
So, [MENTION=3536528]rick_[/MENTION]Roll will you give us that please?
[G Pad 8.3 Android Development] takis:
Can someone upload kitkat redkernel?
[G Pad 8.3 Android Development] Disrupthor:
[MENTION=3536528]rick_[/MENTION]roll Hello, are you still working on your kernel? Will you release a marshmallow version?

Enviado do meu Nexus 5 através de Tapatalk
[G Pad 8.3 Android Development] jonpaslim:
Is it ok to run this kernel to my stock 4.4.2 rom lg g pad 8.3,tnx. Srry its a long time since i flash something, i just want to be sure.
[G Pad 8.3 Android Development] jonup:
No. Not on stock. Aosp yes.
[G Pad 8.3 Android Development] jonpaslim:
Thank you for your answer. Pls recommend to me a stable rom, since i am new to this device, i want your experienced if you dont mind.
[G Pad 8.3 Android Development] jonup:
AOSP Marshmallow from 12/28 is what I run. I'm not as happy with the newer builds. There are a few bugs but nothing that affects my usage. If you want something 100% solid AOSP 5.1.1. If I'm you, I'd try 6 and if you have any issues go back to 5.1.1
[G Pad 8.3 Android Development] jonpaslim:
Thanks again ?
[G Pad 8.3 Android Development] n3loki:
can anybody give me a link for the kitkat version please?
[G Pad 8.3 Android Development] seilogeo:
Will the gamma Profiles be available again on next version or I have done something wrong?
[G Pad 8.3 Android Development] Rick Roll:
The gamma profiles are not avaliable on the official UKM script for v500 because they were made for the Nexus 4 screen.
[G Pad 8.3 Android Development] ncguy68:
What kind of battery life are others seeing with RedKernel? Any improvement?
[G Pad 8.3 Android Development] seilogeo:
I understand now, but what about the gamma tunables only the color temperature is available

to tune now.

The battery life for me starting from 700mv at 384mhr is at least 6:30 houres sot.

With inteliactive and inteliplug, fiops at 512,
[G Pad 8.3 Android Development] LiamAtkins90:
Hey, I get crazy lag in most games on this kernel :(

I don't understand why. Maybe the GPU drivers.

Any suggestions?

Edit: Maybe because I'm still on dalvik, possibly?

Sent From V500

Using XDA App
[G Pad 8.3 Android Development] slebit:
I use Dalvik and I have no problem. Which governor are you using?
[G Pad 8.3 Android Development] LiamAtkins90:
I'm using Interactive so it scales quicker and stays at that clock,

I've used OnDemand, Performance, and Interactive.

Also tried changing I/O and tried changing a few setting in the Kernel to no solution.

Its like a Skipping type of thing.

This is a perfect Kernel otherwise.

Games in question are:

Dead Trigger 2 (Medium settings.)

GT Racing 2 (Optimal Settings) (Medium)

Modern Combat 4 (Stock settings for Adreno)

Just flashed the Kernel before this on the Dev site,

I'll see if it helps.

EDIT: flashed a couple kernels from this thread all have the same problem :(

For now I have flashed back to AIC Kernel and problem is fixed.

Must definitely be a driver issue, will see if problem is reproduced by any users.

Back to buzz speakers :'(

Sent From V500

Using XDA App
[G Pad 8.3 Android Development] Rick Roll:
I have tested Dead Trigger 2 and GT Racing 2 and they work without any problems. Please test with the latest adreno blobs. Maybe new drivers needs new blobs too. :)
[G Pad 8.3 Android Development] LiamAtkins90:
Thank you for the reply friend.

Can I flash these binaries over the red Kernel?

Or flash Kernel let it settle then reboot to recovery then flash these binaries?

EDIT: flashed both Kernel and Binaries, problem still there.

EDIT EDIT: may have found the problem, for whatever reason, Noop and Deadline don't play well with Games, set I/O to cfq and all seems a heck of a lot smoother, will do more testing on this. Hope I've found the fix.

Sent From V500

Using XDA App
[G Pad 8.3 Android Development] Rick Roll:
r006 Released!

Changes:

Reverted GPU drivers to fix low fps on some games.

Misc fixes and optimizations.

Download: http://d-h.st/fop
[G Pad 8.3 Android Development] LiamAtkins90:
With latest redKernel, latest Mahdi ROM plus a few device tweaks.

Wooow, highest score I've had with this device.

Sent From V500

Using XDA App
[G Pad 8.3 Android Development] lasset:
Quite good. Thanks for fantasic kernel.
[G Pad 8.3 Android Development] extremex93:
Nice kernel! Anyone got any good profile to share? :cowboy:
[G Pad 8.3 Android Development] Hibble:
Thanks for your efforts.

Will you add Fast Charge? I would really like it.
[G Pad 8.3 Android Development] stbxxl:
Me too.
[G Pad 8.3 Android Development] deepongi:
congrats dev. awesome job on the kernel. :)

got 286xx on Antutu, and i didn't touched a single setting on the kernel. full stock settings.

i wonder how much i can pull, after configuring the kernel? :cowboy:

regards.
[G Pad 8.3 Android Development] seilogeo:
I take my turn to congratulate about the smoothness of the

kernel. But I want to ask something about the gamma.

I am at 2,0 and I reach the 2,1 if I set a 30 on contrast

on screen adjuster app. Can anyone recommend a method to

reach 2,2.I am desperate
[G Pad 8.3 Android Development] ccheung:
Does this kernel or will this kernel boost up the gain of the mic? the mic gain is too low in v500 now. It cannot properly work with skype.
[G Pad 8.3 Android Development] Bill_windows:
I need to say a big thanks for this kernel,I m using with with acip ROM and the gamma is crazy!the brightness is awesome
[G Pad 8.3 Android Development] muiriddin:
Thanks for this, I really appreciate a kernel that works on AOSP and the 4.4.2 base!

Once I got synapse working I am seriously geeking here over all the options to tweak!
[G Pad 8.3 Android Development] Giaki:
As everyone is writing such good things about this kernel, I wanted to have a second shoot flashing this kernel again.

Last time, a month ago, I tried flashing this kernel but I loose the knock on functionality, it works only the knock off, and wifi is not connecting anymore. Same thing flashing the mani kernel.

I can't turn on or off wifi, and the icon keeps blinking. Wifi is stuck on "turning on"...

The only way to fix this mess was to flash again from scratch the whole rom. I'm using LRS 2.5 ROM.

This time, same problem.

I don't think that I'm the only one experiencing this, so how do you re enabled the knock on and wifi?

Thank you
[G Pad 8.3 Android Development] Rick Roll:
LRS is not AOSP based. This kernel is for AOSP based roms (CM, Slim, Mahdi, etc...).
[G Pad 8.3 Android Development] Pootch:
After constant use. my tablet keeps crashing (freezing, getting hot)

with that kernel.. Base 4.4.2 SlimKat Rom
[G Pad 8.3 Android Development] seilogeo:
Dont undervolt too much, lower the temperature of thermal throttle,

Also clean flash. Just my opinion
[G Pad 8.3 Android Development] Rick Roll:
r007 Released!

Changes:

Force Fast Charge (not sure if it works on v500)

Updated BFQ and set as default

Many fixes and optimizations

Download: http://d-h.st/yzv
[G Pad 8.3 Android Development] Pootch:
It only happend when i was charging my tablet.
[G Pad 8.3 Android Development] seilogeo:
Very normal only by charging the temps are higher.

Charge at night and use it during the day.

I think the battery can last more than a day.
[G Pad 8.3 Android Development] pjdick:
First of all, this kernel is great. Love it.

I was wondering, however, if it would be possible to add Overclock / Underclock to it? I was using stock Rom with AIC Kernel before this:

AIC Kernel: http://xdaforums.com/showthread.php?t=2741405

Default overclock from 1.72 to 1.78Ghz (no voltage increase)

Default underclock to 162 Mhz

If that was added, this kernel would be ludicrous!!!!!
[G Pad 8.3 Android Development] LiamAtkins90:
I'm interested in underclock. Not so much overclock, but would be nice to see a GPU overclock implemented.

Sent From V500

Using XDA App
[G Pad 8.3 Android Development] k1n9n0th1n9:
Can anybody upload on other host ?

I can not download it
[G Pad 8.3 Android Development] alakiha:
So do we have knock on functionality on this kernel or not? Because mine is not working! I am running Mahdi rom + latest red kernel
[G Pad 8.3 Android Development] slebit:
It's working for me with liquidsmooth.
[G Pad 8.3 Android Development] alakiha:
Oh sorry my bad, I don't why but after flashing this kernel it was not activated in the settings. I activated it again and now its working.

Thnaks [MENTION=4575133]Rick Roll[/MENTION]
[G Pad 8.3 Android Development] Rick Roll:
r008 Released!

Changes:

FauxSound by [MENTION=3332811]faux123[/MENTION]

Intelli-thermal [MENTION=3332811]faux123[/MENTION]

CAF Freqs

Download: http://d-h.st/KdP
[G Pad 8.3 Android Development] muiriddin:
My alarm clock is not making noise after this. I use Alarmclock Extreme... I am reading about faux sound to try and see what I am missing. I admit I am new to the faux kernels on android devices.
[G Pad 8.3 Android Development] Rick Roll:
It's working fine here. What rom are you using?
[G Pad 8.3 Android Development] muiriddin:
Infected's build of slimkat the PCF 8.0 release. It seems to be fine after some poking around and a reboot. I will let you know if I have further issues.
[G Pad 8.3 Android Development] Maine_Coon:
Will this kernel work on the Verizon version, VK810?
[G Pad 8.3 Android Development] slebit:
Nope.
[G Pad 8.3 Android Development] Maine_Coon:
Thank you.

Quite a disappointment.

Why VK810 gets no love?

Just picked up one from ebay for $150 and do want it to be perfect :D
[G Pad 8.3 Android Development] ckret:
it is maybe because it is nowhere else available then the us
[G Pad 8.3 Android Development] Rick Roll:
I got v510 (gpe) kernel working on v500 AOSP roms. It still experimental. All hardware works including wifi and graphics.

Source: https://github.com/victormlourenco/red_kernel_lge_v500/tree/gpe

Download: http://d-h.st/gVA
[G Pad 8.3 Android Development] sleekmason:
Good work! What did you have to do?
[G Pad 8.3 Android Development] Rick Roll:
Use old prima drivers from CM kernel.

https://github.com/victormlourenco/...mmit/c9268ab536d7784a239a948c559de6103f55bc31

Add support for YCBYCR MDP wich is used on CM sources.

https://github.com/victormlourenco/...mmit/c04c362a1fb9eaff41bec4887f6191d199fcd77a

Use temp limits from CM kernel.

https://github.com/victormlourenco/...mmit/21705e24b2d188a66c395b1b02afcb0ecc22fec6

(board-palman.c)

Add support to BATTERY_BCL.

https://github.com/victormlourenco/...mmit/f33112ad4dd7064a5995598020cf793ff7d92ce7
[G Pad 8.3 Android Development] ckret:
i heard there is a different partitionlayout

did you encounter anything?
[G Pad 8.3 Android Development] sleekmason:
I take it you have a good Linux computing background? It seems as though you really know your stuff!

for myself, I just sort of stumble through it, and make change after change after change after change... Well, you get the idea.
[G Pad 8.3 Android Development] slebit:
What is the advantage with gpe kernel?
[G Pad 8.3 Android Development] cronot:
Some questions...

Ok, so I have a mind of using this kernel. However, I'm currently using CM11 with 4.2 base. Looks like I have to switch over to 4.4 base in order to use this, which means partitions layouts change and I'd have to reflash CM11 and everything else from scratch. But I really don't want to go through the hassle of full wiping and reinstalling and reconfiguring all my apps again. I believe the following could work:

Switch recovery over to TWRP compatible with 4.2 base (I'm currently using Philz Recovery);

Nandroid backup everything with TWRP;

Switch over to 4.4 base;

Restore the previous TWRP backup;

Flash the kernel.

It should work, in theory, right? Can anyone confirm this?

Also, while I'm at it, out of curiosity, why does this kernel requires 4.4 base, is there a technical advantage to this, or is it just because it's "newer"?
[G Pad 8.3 Android Development] jonup:
I'm running this kernel on slim with 4.2.2 base with no issue. Just flash the kernel if it doesn't work, just reflash your ROM or any compatible kernel.
[G Pad 8.3 Android Development] cronot:
Hm...

Ok, so to rephrase my last question, why, in [MENTION=4575133]Rick Roll[/MENTION] 's words on the OP, does "this kernel work better with 4.4 base"? My G Pad actually came originally with 4.4 base, I've switched it over to 4.2 because of brightness issues with stock CM11 kernel. If RedKernel fixes this issue when on 4.4 base, I have no problem switching back to 4.4 base again if it provides any benefit, and preferably if I don't have to reinstall/reconfigure everything from scratch too.

I'll try using it with 4.2 base for the time being, but I'd still really like to know how would it be better to switch over to 4.4 base, and if it's possible to do it without losing data.
[G Pad 8.3 Android Development] jonup:
I can't answer that. I have a nandroid on otg so I don't care to try. I've revived my devices from some pretty serious shït. All I can say is that brightness and everything for that matter works on my 4.2.2 base. Never had 4.4 installed.
[G Pad 8.3 Android Development] cronot:
Ok, so I've flashed RedKernel on my device, with 4.2 base. It works, but the first thing I've noticed is that the base (minimum) brightness is much higher than normal - more like 50% brightness when on CM kernel, although after cycling through suspend / resume, the brightness gets back to what I'm used as normal (stock CM kernel) levels and stays that way, which is, IIRC, a reversal to what happens when using CM11 stock kernel with 4.4 base.

So I guess this is at least one of the reasons for 4.4 base being recommended - I suppose the brightness should work correctly when using RedKernel with 4.4 base.

On the bright side, my device seems much snapier and smoother with this kernel, so thumbs up to Rick Roll on that :) I might just bite the bullet and try going to 4.4 base when I've got the time and nerve...

Also, again to [MENTION=4575133]Rick Roll[/MENTION], any chance of enabling KSM, on memory management?
[G Pad 8.3 Android Development] :
There is a thread here with two flashable zips where you can easily switch between 4.2 and 4.4 base. It can be done on the fly without reinstalling anything.
[G Pad 8.3 Android Development] cronot:
I do know about this - it's this thread, which is actually linked in the OP. My understanding, however, is that switching between these bases do require reflashing everything, because partitions layouts change between bases, so once you change bases, the bootloader will be pointing to the "wrong" place, where your previous system isn't, so it won't boot. Well, at least that's my understanding, correct me if I'm wrong.
[G Pad 8.3 Android Development] :
You're wrong...
[G Pad 8.3 Android Development] ckret:
youre neither wrong or right

bootloader/base contains data about partitionlayout etc.

but this doesnt change so you can easily flash them without any risk of losing data
[G Pad 8.3 Android Development] nigelhealy:
On current Madhi ROM with its kernel, I was getting Antutu benchmarks of about 23000, now with this v8 Red kernel I'm getting about 26000 so about 10% faster. Thanks for doing this kernel.
[G Pad 8.3 Android Development] jonup:
If you are getting 26K, you are doing it wrong. :p 30K is doable.:cool:
[G Pad 8.3 Android Development] nigelhealy:
Slimkat?

http://xdaforums.com/showthread.php?p=55593149#post55593149
[G Pad 8.3 Android Development] jonup:
Infected slimkat. But you need to lock your cores at max freq and turn all 4 cores on. If you are really going for it, disable vsync. Thermal off and cooled. I preferred cold flat stone surfaces. V500 is not really capable of any records so not worth going in great lengths. But if you are interested, check with [MENTION=1811927]simms22[/MENTION]
[G Pad 8.3 Android Development] Jansxel:
Great with battery life?
[G Pad 8.3 Android Development] slebit:
Why don't you try it?

I have pretty much the same battery life with this as the stock one in most aosp roms. But performance is much better with this kernel.
[G Pad 8.3 Android Development] Jansxel:
I Have Only 1 Request Plz Fix it on Stock or LRS i have Glitch bug and wifi can't on
[G Pad 8.3 Android Development] jonup:
This is aosp kernel so it is not meant for stock based ROMs. Also this is Rick's personal kernel, why would he make it compatible with a ROM he doesn't use? You've been asking bunch of questions you could have had an answer for by simply flashing this kernel, but instead you feel entitled to ask the dev to put his time into coding a completely different base, which I'm not sure is even possible.

That being said, I highly recommend you to try this kernel. It is night and day performance wise compared to any other one I've tried on this device. I almost gave up hope that this device would ever be smooth. This kernel changed my mind.