yashsingh1/xdaforums huggingface dataset:
[Galaxy S 4 i9500 Android Development] Halcyon:
Yeah, thanks for confirming , same issue but for many other and persist for atlast a restart or 30mins
[Galaxy S 4 i9500 Android Development] crizalid8:
i make this for you:
[Galaxy S 4 i9500 Android Development] Xpid3r:
Anyone facing this issue..?? (Latest Build)

Using Galaxy S4
[Galaxy S 4 i9500 Android Development] Bruno_Tec:
Thanks . Now im using alucard too. It uses higher frequencies than ondemand but its OK i guess.

When i touch the screen it jumps to 1200 mhz too .

I Just want a better batery than stock ondemand governor from a common kernel and i keep not getting it ...

---------- Post added at 05:16 PM ---------- Previous post was at 04:54 PM ----------

For example ? I mean apps as example.

Thanks for answering
[Galaxy S 4 i9500 Android Development] zetlaw:
Touchboost always speedup to 1200mhz. I tried disabling it from synapse but i doesnt work.

Please fix l. Thanks [MENTION=5592093]VoLTaqe[/MENTION]
[Galaxy S 4 i9500 Android Development] Halcyon:
Wallpaper picker , contacts , Edge launcher , gallery , Messages , smart manager for now
[Galaxy S 4 i9500 Android Development] Martillero:
You need to delete synapse, wipe dalvik and install it again.

Some apps could fc when u reboot the phone, but then are fully functional. Some says this is a bootloader problem, I'm too lazy to change it and verify, and the fc is not such a big problem for me anyway.

Yep, same happens to me. Seems that Touchboost doesn't respond to the values in synapse.
[Galaxy S 4 i9500 Android Development] Halcyon:
Bootloader??? What a bootloader can affect this? I got confused thats nothing i can fix, the kernel itself is very good but fc is not good thing
[Galaxy S 4 i9500 Android Development] PutraMasyers97:
I dont know if it affect.. but after update bootloader and clean install aurora 8.0 + voltaqe 3.3, I only get message fc on fisrt boot.. unlike before I get alot of fc like google app etc.. But I want to know after change governor do I need to reboot the phone or not?
[Galaxy S 4 i9500 Android Development] VoLTaqe:
I will switch android logger to on because of i really bored unneeded FC comments. Maybe you want logs to me instead of cry down
[Galaxy S 4 i9500 Android Development] coolfx89:
I think some hotplug governor is not working properly.

Pegasusq always only activated 1 core and the other hand its variants "darkness" never turn off core..
[Galaxy S 4 i9500 Android Development] sak500:
My reaction to you was for point number "2)Why should he do it?To add more workload?We have lots of other good roms already."

Anyway if you have seen others have posted the answer to my question in much politer way. And I do know how to search I've been here since 2011 and was on omega testing team for his Omega ROM series. I have been flashing roms since i bought N900 and installed Android on it in dual boot.
[Galaxy S 4 i9500 Android Development] VoLTaqe:
Guys if you notice any incompatible governor i will delete next release. By the way touchbooster isn't touchscreen. So it is not bug. Also i delete gpu control completely for force close. We see if it is from kernel it should be fixed.
[Galaxy S 4 i9500 Android Development] Aayan 123:
Whats the best governor to use for battery and performance by this kernel?
[Galaxy S 4 i9500 Android Development] vityea:
How to install while file just 5 MB?
[Galaxy S 4 i9500 Android Development] tithy:
Thanks for your help. [MENTION=3978865]rgshah3[/MENTION], I don't think it is the ROM issue or debug without flashing this kernel, no reboot.

Anyway, thanks once again.
[Galaxy S 4 i9500 Android Development] shiruuu.samad:
Ok i was lazy to search a thread explianing it for you and i felt like we have enough good Roms.Also "why should he do it?to increase his workload?"Sentence is polite,i never used bad words or impolite english in it[emoji2] .

From my s4 Powered by

Prism barebone v15

LWK or VoLTage kernel.
[Galaxy S 4 i9500 Android Development] VoLTaqe:
Please use PM guys. This section for kernel not personal use. I dont care but Moderator care about it.
[Galaxy S 4 i9500 Android Development] shiruuu.samad:
I was sure of this.Any way am getting random freezes on first boot on latest version.After 9h of deepsleep it automatically restarted and freezed again.Nothing tweaked.updated bootloader and no ported apps.

From my s4 Powered by

Prism barebone v15

LWK or VoLTage kernel.
[Galaxy S 4 i9500 Android Development] VoLTaqe:
I'm build kernel from clean source. It may take time but i think its necessary. You must wait a little much
[Galaxy S 4 i9500 Android Development] powerskunk:
Hello v 3.6 wolfson dac Volumen not working.
[Galaxy S 4 i9500 Android Development] VoLTaqe:
Main problem is gpu control. If i use control you are experience force closes. If i delete gpu section this time synapse force close. I didnt figure out where is the problem. I build kernel from 0 but same think nothing change. So i research files one by one
[Galaxy S 4 i9500 Android Development] shiruuu.samad:
I will wait.Today is a heavy work day.will report after that.

From my s4 Powered by

Prism barebone v15

LWK or VoLTage kernel.
[Galaxy S 4 i9500 Android Development] ImjuzCY:
I don't know if anyone noticed it, but if you set max cpu freq to 600mhz using synapse, it's actually 300mhz only if you check with other apps or check cpu frequency time. If I use other apps to set it to 600mhz, synapse show 1200mhz. I'm not sure whether it's synapse problem or what. Maybe it's because we have two cpus (600/2=300 and 1200/2=600)

This only happens for frequency below and on 600mhz set from kernel adiutor. When I set 800mhz from kernel adiutor it synapse shows the correct freq. 650 700 750 can't be set through kernel adiutor.
[Galaxy S 4 i9500 Android Development] NonXtreme:
That's how this phone cpu work.

Only synapse show the real freq to user.

Our phone have 2 cpu cluster

A7 run from 500mhz to 1200mhz

A15 run from 800mhz to 1600mhz

As you can see there's freq overlapping from 800mhz to 1200mhz and this will be hard for OS to manage. The easy and effective fix is to divide A7 freq value by 2. So A7 real freq of 500-1200mhz is shown to OS as 250-600mhz.

Kernel/system tweaking apps read value from what OS see which is 250 to 600 for A7 cpu cluster but Kernel Adiutor is the fixed feature app made to support all phone while synapse/stweak feature is flexibly manage by kernel developer so kernel dev can optimize setting for their kernel and device. This is also the reason why synapse have more setable thing like gpu voltage control, qos etc.
[Galaxy S 4 i9500 Android Development] VoLTaqe:
3.7 out. I deleted gpu section from synapse because of i saw force close first time on my phone with kernel. Maybe it will solve issue maybe not i dont know. I activate android logger so you can report me errors with logs and maybe i figure out where is the problem. But i think problem is permissions. [MENTION=6398395]mythos234[/MENTION] too use synapse on his kernel and he too same error with gpu management. Maybe [MENTION=4167023]AndreiLux[/MENTION] solve or explain better. Hope problems will be gone in future.
[Galaxy S 4 i9500 Android Development] arber95:
Am on prism barebone rom, is there any way to achieve good battery life (4hr+ sot) with this kernel ?

The most i got was 3.5hr sot on 15hr us, but i want to get a little bit more around 4 - 4.5hr sot. Is it possible with this kernel ?
[Galaxy S 4 i9500 Android Development] avokain:
Since i flashed v3.5 and above, i have random UI lags, on the same Synapse configuration as in the 3.4 (On v3.4 all was good)

Wiped cache/dalvik after flash.

Does anyone have similar problems?

Reverted to v3.4 (((
[Galaxy S 4 i9500 Android Development] PremiumISM:
Hey. Anyone notice this

http://xdaforums.com/showthread.php?t=3113143
[Galaxy S 4 i9500 Android Development] Xpid3r:
Everyone notice this.. [emoji6]

Using Galaxy S4
[Galaxy S 4 i9500 Android Development] PremiumISM:
What's the progress?

.

. [MENTION=5592093]VoLTaqe[/MENTION] After 3.7 device lagging too much but no fc yet
[Galaxy S 4 i9500 Android Development] Martillero:
Working, but this is not related to voLTaqe kernel, let's stick to the thread guys.
[Galaxy S 4 i9500 Android Development] PremiumISM:
Oops! I should go to Prism ROM thread
[Galaxy S 4 i9500 Android Development] Bruno_Tec:
recents apps + kernel

does this kernel have issues while scrolling down or up on recent apps when using aurora lollipop 8.1.1?
[Galaxy S 4 i9500 Android Development] VoLTaqe:
About this update gpu and synapse changed by me. So before flash you MUST delete synapse. Correct install steps:

1- Delete synapse

2- Go into recovery

3- Flash kernel

4- Wipe dalvik, cache

5- Reboot

6- Install synapse

7- Open synapse settings, untick stability check

8- Reboot

9- Done. You have clean kernel. Enjoy

I say again this step must for this version. After that next versions you can only flash. This update contain too much change so you have to do that. I also enabled logger. If you face any error you can report me instead of only "s bla bla error". Without logs error will be ignored by me. Because i use this version since 6 hour and didnt face any error yet. Hope will same you too.

Changelog 3.8

- Fixed laggy bootanimation

- Gpu tweaks

- Speed up ext4

- Added information section
[Galaxy S 4 i9500 Android Development] VoLTaqe:
One more thing. I need experienced people for aosp support test
[Galaxy S 4 i9500 Android Development] Trek55:
v3.8

V3.8 finally works no fc thanks [MENTION=241329]voltage[/MENTION]
[Galaxy S 4 i9500 Android Development] Martillero:
I love what you have done with the kernel mate! I m sure it was a pain in the @ss, but believe me, it was totally worthy! Thanks 4 your awesome work ?
[Galaxy S 4 i9500 Android Development] ceneszzz:
wow great update buddy. hopefully the kernel for AOSP version come soon hehe :D

keep up the good works :good:
[Galaxy S 4 i9500 Android Development] VoLTaqe:
Build ready waiting for any tester
[Galaxy S 4 i9500 Android Development] codybank_789:
Im not experienced but i can test it for you. I will be using Alberto's cm12.

Just send me the link. :D
[Galaxy S 4 i9500 Android Development] Droidcore:
Nice to see dev make kernel for i9500:)

Now i9500 kustom kernel :good:

Unfortunately i can't test and feel taste the kernel :cyclops:

My i9500 sell and buy m7.
[Galaxy S 4 i9500 Android Development] zozoz13:
Seems like v3.8 a bit laggy. Not as fast as previous version. Anyone faced it? Or it's just me :confused:. And yes, i followed the instructions for installing v.3.8.

Before it, i use v3.3, and this version is so fast compared to v3.8.

EDIT: This laggy is caused by Three core was disabled after first time install v3.8. I see in synapse and other cpu tool, it said only one core is alive, the others is offline. I think it's a bug, i tried to set maximum core number to 1, then i set it again to 4, and thats three core turning on again.

Sent from my Galaxy S4
[Galaxy S 4 i9500 Android Development] VoLTaqe:
Another big update out. I think this one must be fastest voltaqe kernel. You should try

Changelog 3.9

- Fixed all known kernel related issues

- KSM Optimized

- Tweak for async I/O latency

- Adjust dirty writeback for IO boost

- Fixed calculation of dirtyable memory

- Target frequency tweaked

- Speed up readahead (%25)

- Tweak for tcp transfer (gain %30)

- Improved the events per packet estimate

Try this one :)

I hope you use new phone with happiness. If you dont like turn back to us. We are always here in future :)
[Galaxy S 4 i9500 Android Development] ceneszzz:
wew, just flashed the v. 3.8 then 3.9 came out hahaha.

and in v. 3.9 we don't need to uninstall synapse, just flash it right?

:good:
[Galaxy S 4 i9500 Android Development] PutraMasyers97:
Good afternoon.. [MENTION=5592093]VoLTaqe[/MENTION] I just want to know did u use this kernel 3.9 with aurora 8.1.1.. im about to flash that rom with this kernel 3.9 ☺
[Galaxy S 4 i9500 Android Development] VoLTaqe:
Right. Just flash over 3.8. If you face any error wipe dalvik cache

Yeah i update rom before 5-6 hour and using with 3.9 now no problem just flash it
[Galaxy S 4 i9500 Android Development] zozoz13:
Wow, just flash v3.8 a few hours ago, and new version just out! How fast are you man :thumbup:

Testing it now.

Sent from my Galaxy S4
[Galaxy S 4 i9500 Android Development] VoLTaqe:
I'm waiting for your reviews
[Galaxy S 4 i9500 Android Development] ceneszzz:
hi [MENTION=5592093]VoLTaqe[/MENTION] just want to ask, what governors you use in your kernel? and how many read ahead u set for internal and external memory?

thx :good:
[Galaxy S 4 i9500 Android Development] VoLTaqe:
I'm using ondemand because of i tweaked it :) internal, sd 2048
[Galaxy S 4 i9500 Android Development] ceneszzz:
oh ok, I'll enjoy the kernel today and see another great update from u buddy :good:
[Galaxy S 4 i9500 Android Development] Junklein:
I flashed this kernel, but I don't where to find the app in changing i/o, pls help, 1st time to flash kernel
[Galaxy S 4 i9500 Android Development] ceneszzz:
hey buddy, u can find it when u install synapse app from the store. :good:
[Galaxy S 4 i9500 Android Development] Junklein:
thanks dude :)
[Galaxy S 4 i9500 Android Development] rbhanot2:
Hi Mate,

So i installed the kernel now, but i am still long way from tweaking it for better battery life and performance. I am a kind of newbie and went through some kernel guides as well, but they were so detailed that i kind of got lost in it. So could you please guide me or help me moving in right direction so that i can tweak some of the parameters.
[Galaxy S 4 i9500 Android Development] sathya80:
3.9 Installed.. just few minutes.. no force close, but i have few problems

1. synapse not applying settings on boot.. especially screen settings

2. evenif we overcloak and increase max frequency to 2ghz, kernel never goes above 1.2ghz

3.light-weight kernel stays most of the time at 100mhz. Is it possible to achieve the same in your kernel?

4. Synapse says that Universal Kernal Manager v3.8.1 is not supported by device. But your kernel is permissive, is other any specific reason?

Please, waiting for your response. thanks :)
[Galaxy S 4 i9500 Android Development] VoLTaqe:
1- i know. Because of i coded a feature when 3 time press home button screen settings turn normal.

2- kernel goes perfectly to 1600 i delete overclock because of many noob user use this and saying my device hot. So i dont want like this comment. Disable power save mode.

3- only synapse show real at the same time values with cpu. Many other control app not show at the same time because of stick at 100 mhz. My kernel cpu management is great i think. I spend all day for it.

4- synapse ? Which setting that ? I didn't like such a section or value
[Galaxy S 4 i9500 Android Development] ltv9a6sang:
I installed kernel and i like it. Amazing. It no fc for me. Good job. My device very fast and smooth. I set cpu A7 max 1400. It stable with set A7 1500? and i set charge main 2300 - 2100, don't know it stable for device ^^!. Thank you very much. Sorry my english not good ^^!. :D
[Galaxy S 4 i9500 Android Development] codybank_789:
Kernel is pretty good now. I dont have any FC now and even in previous releases.

But somehow my phone is randomly restarting when im typing this. :confused:

I used -50 offset for cpu voltage.

EDIT : maybe its because of the -50 offset.
[Galaxy S 4 i9500 Android Development] rbhanot2:
I am getting number of FCs saying "Google Apps have stooped working", "Car mode has stopped working" after installing this kernel. Anyone else facing this issue ? Any way to fix ?

I installed the kernel on Aurora rom V8.
[Galaxy S 4 i9500 Android Development] sathya80:
1. So is there a way so that synapse applies all settings including cpu and screen settings after boot?

2. So it means new kernel has no frequencies above 1.6ghz. Then y synapse allows to set max cpu freq till 2ghz and y does "max freq blank" is set to 2ghz plz. I am confused.

3. How to disable power save mode?

4. Universal kernel manager v 3.8.1 is a script which supports synapse. You can see it in android hacking and development forum.

Great job. Thanks for your hard work. ?

---------- Post added at 07:55 PM ---------- Previous post was at 07:53 PM ----------

Few apps in lollipop don't support under volting.. example snote fc at -25mv also!.. so as you under volt more. . Many apps will force close. Now i dont undervolt.. so no fc.. ?
[Galaxy S 4 i9500 Android Development] krishmar4:
Wow, every time I check this thread there is a new update, great work! [MENTION=5592093]VoLTaqe[/MENTION]
[Galaxy S 4 i9500 Android Development] codybank_789:
I dont have any FCs at all. The phone just restart, not when screen on but when screen off.

But you have a point, i turned back to normal voltage and now no more restart. Maybe i will stick with this setting for stability. :silly:
[Galaxy S 4 i9500 Android Development] ashman8123:
Very good kernel ...i musing 3.8 going to flash 3.9 now....for 3.8 no fcs for me everything working fine and smooth. Charging speed is also fast .
[Galaxy S 4 i9500 Android Development] ltv9a6sang:
I think because you undervoltage. I undervoltage in previous but now i don't undervoltage in ver 3.9 and my device work smooth and stable. You can try and review again.
[Galaxy S 4 i9500 Android Development] VoLTaqe:
Stable because of i add this freq :)

if you didnt heavy debloat dont use undervolt because lollipop android system eat to much cpu after that system crash

try clear app data and update bootloader

because my ksm isnt configurable i will add later in my to do list. Synapse already apply setting on boot give it a little time.

Thanks :)
[Galaxy S 4 i9500 Android Development] ltv9a6sang:
Work hard for noob user like me in set synapse. Can anyone share picture in synapse ? Example Screen control, Wolfson Sound Control, bla bla .... noob user need learn exp by tester and deverlop. ^^
[Galaxy S 4 i9500 Android Development] Martillero:
Last version, I'm using it with stock values and all is working like a swiss clockwork. The only thing I change was the sound options to fit my taste. Thanks again voLTaqe
[Galaxy S 4 i9500 Android Development] shiruuu.samad:
Yup latest version all fine

From my s4 Powered by

Prism barebone v15

LWK or VoLTaqe kernel.
[Galaxy S 4 i9500 Android Development] Vurda:
Dont underclock values below 300mhz and there will be no reboots. If you changed something and something stop working it is because of your changes. Its simple.
[Galaxy S 4 i9500 Android Development] TheoDores:
Anyone know the best app to config cpu/gpu voltage for this kernel?

Because I tried install stweaks from play store but there is a message "Sorry, no kernel support!"

Thanks guys.
[Galaxy S 4 i9500 Android Development] Droidcore:
See title thread ,, synapse for set cpu or kernel auditor :)
[Galaxy S 4 i9500 Android Development] TheoDores:
Sorry, my bad, I don't know that Synapse is the name of an apps.

Thanks mate :D
[Galaxy S 4 i9500 Android Development] unalsrkn:
Merhaba [MENTION=5592093]VoLTaqe[/MENTION]

Öncelikle bu başarılı çalışmanı bizlerle paylaştığın için sana teşekkür ediyorum.

Karneli kurduktan sonra synapse den yapmam gereken ayarlar hakkında biraz bilgi verebilirsen çok mumnun olurum şimdiden teşekkürler

İyi akşamlar... ;)
[Galaxy S 4 i9500 Android Development] VoLTaqe:
Rica ederim hocam da moderatorlerle uğraşmayalım pm atabilirsiniz böyle konularda.

Please use english language because of rules or you can use private message. Thanks
[Galaxy S 4 i9500 Android Development] VoLTaqe:
Another version :)

Changelog 4.0

- Added boost mode into synapse

- Fixed selinux memory leak upon loading policy

- Crc check disabled

- Unnecessary update_runtime notifier disabled

- Reduced latencies
[Galaxy S 4 i9500 Android Development] Mogten:
If [MENTION=5592093]VoLTaqe[/MENTION] had a rom, it would be one of the best ever. Thanks so much for your hardwork!
[Galaxy S 4 i9500 Android Development] optimus207:
hey bro How can both adjust these settings? Can you show me any software?

Cpu Voltaqe Control

-Cpu Core Number Control

-Gpu Voltaqe Control

- Battery Charge Control

- Screen Control

- Led Control

Anyway I still thank you for kernel bro :D

sorry my english is very bad :(
[Galaxy S 4 i9500 Android Development] icebergn:
Could you make a rom that parallel to this Kernel project ? It would be awesome :o

Turkish Translation : Kernelle eş zamanlı olarak Rom yapmayı düşünürmüsünüz ? Yerli malı yurdun malı .... :D
[Galaxy S 4 i9500 Android Development] Cleverfish:
hello there,

UKM (formerly named N4 UKM) is a set of scripts to tweak Qualcomm SOCs handsets. at first it was made for Nexus 4, but then the dev add supports for other phone. it cannot use on i9500 due to different SOC.
[Galaxy S 4 i9500 Android Development] Ariegradiyanto:
Use synapse application found at playstore
[Galaxy S 4 i9500 Android Development] Hmdgll34:
Wooww Very Good Thanks :)
[Galaxy S 4 i9500 Android Development] ramone01:
Gurur verici. Ellerinize sağlık. Tek sorum var bu kerneli Cm12 sürümlerinde kullansak bir problem olur mu acaba. Sadece Cm12 nin ses driver sıkıntısı için bu yola başvurmak istiyorum.
[Galaxy S 4 i9500 Android Development] math.teach:
Sanmıyorum ama üstad daha iyi bilir.
[Galaxy S 4 i9500 Android Development] VoLTaqe:
Lütfen ingilizce konuşun. Cm12 desteği yok verirsem hat çekmiyor düzelttikten sonra aosp olarak yayınlayacağım.

Please use eng language
[Galaxy S 4 i9500 Android Development] VoLTaqe:
Changelog 4.1

- Improved memset

- Supported UID-based routing

- Supported for key TCP/IP parameters on WIFI

- Removed unused bluetooth parameters

- Updated pn544 headers

- Fixed a few selinux policy on permissive

- Enabled security contexts on rootfs
[Galaxy S 4 i9500 Android Development] Ariegradiyanto:
Wow, just flashed 3.9 less than 24 hours ago and now 4.1 is out. Great work dude
[Galaxy S 4 i9500 Android Development] nthin.bhargav:
Does this kernel support frapeti's CM 12.1?

Firstly thanks for this beautiful Kernel Dev! I'm currently using this kernel in PB v16. Thought of changing to Frapeti's CM Rom. So i need to know whether this kernel works on CM based Rom?

Thank you. :) :confused:
[Galaxy S 4 i9500 Android Development] VoLTaqe:
Not support cm based roms for now
[Galaxy S 4 i9500 Android Development] OSI007:
Thanks, But...

Thanks Op for this.I need your help though. I've flashed the 4.0 version to my i9500 stock lollipop russian firmware but i get these errors in synapse. After the flash CpuZ and Antutu showed 2ghz as max frequency but these frequencies are still unused (1.7ghz, 1.8ghz, 1.9ghz, 2.0ghz). Thanks in anticipation of a positve reply. Screenshots in link below. Sorry i cannot attach files is i am a new user(advanced noob). Copy and paste link in browser.

https://drive.google.com/folder/d/0BxQL1jXFhdmMbkRoVGNvQV9TRFE/edit
[Galaxy S 4 i9500 Android Development] Air-真心为你:
Flashed 4.1 but boost mode keeps on. Cant turn it off. Please fix it thank you [MENTION=5592093]VoLTaqe[/MENTION]
[Galaxy S 4 i9500 Android Development] Hmdgll34:
Very Thanks :svetius:
[Galaxy S 4 i9500 Android Development] VoLTaqe:
Are you rooted ?

I'm working on it thanks for report friend
[Galaxy S 4 i9500 Android Development] OSI007:
Yes I am.
[Galaxy S 4 i9500 Android Development] VoLTaqe:
Remove knox content and flash again.
[Galaxy S 4 i9500 Android Development] shiruuu.samad:
Waiting for boost mode disabled version...3.9 is really buggy and unusable waiting to upgrade to 4.2

From my s4 Powered by

Prism barebone v15

LWK or VoLTaqe kernel.
[Galaxy S 4 i9500 Android Development] OSI007:
Thank you very much. I've done that, even flashed the new 4.1 zip but it did not work :( . Although it still didn't work, i'm able to control audio, screen and led properly and fully. Not still able to solve the problem of several failures as shown in the screenshot. Once again, thanks for your time :)
[Galaxy S 4 i9500 Android Development] Aayan 123:
Conservative and lionheart governor makes phone restart
[Galaxy S 4 i9500 Android Development] VoLTaqe:
I'm going to release new version nearly 4 hour later without boost mode. Because i add boost mode all governors with switchable on governor tune.