yashsingh1/xdaforums huggingface dataset:
[Galaxy S II Android Development] dongnguyen2301:
Hello [MENTION=4217277]Gustavo_s[/MENTION]

Thanks for your great Kernel. :good:

I'm not sure but the last version made my phone freeze so much. I tried both Trim and without Trim but sometimes it just froze and sometimes I automatically rebooted, sometimes I couldn't wake the screen up. I thought it was because of the undervolt, but after I used the default value it still happened. :(

The only kernel that is 100% stable for me is 05 Jan 2015 version. I can keep using it but it lacks some features... :crying:

Anyone else has the same issue like me?
[Galaxy S II Android Development] DingoBat:
Mate,

Try the 24-01 Kernal - I'm using the 24 Jan kernel and it is stellar! Smooth and flawless - currently on 350 hrs uptime and climbing - a personal best!
[MENTION=4217277]Gustavo_s[/MENTION] well done and thank you!!
[Galaxy S II Android Development] dongnguyen2301:
Thanks for your suggestion, but I remember trying it before. The 24th kernel gave me minor problems with the touch screen, or something else... I tried each and every version as soon as it came out and I have been messing with my rooted phone for 3 years so I can't be wrong haha :silly:
[Galaxy S II Android Development] Saber:
What do you mean by features? You mean fixes?
[Galaxy S II Android Development] pilgrim011:
Could you please share 0501 build, since it's not available anymore?
[Galaxy S II Android Development] dongnguyen2301:
No, basically the 5 Jan version is enough for me, but it doesn't have color modding feature in the Synapse, I really want to mess with it since I think my Galaxy S2's color is too saturated. It's also been a year since I last joined a kernel thread so I haven't read much about new feature like TRIM, I'd better not have it, hearing it causes brickbug but I'm not sure... does it? :rolleyes:

---------- Post added at 09:25 AM ---------- Previous post was at 09:17 AM ----------

Here for you

https://www.dropbox.com/s/i726je27upbuura/kk-kernel-05-01-TWRP.zip?dl=0

It has been the most flawless version for me. :angel:
[Galaxy S II Android Development] jnetode:
So you may want to vote in the feature requests!

http://xdaforums.com/devdb/project/?id=7558#featureRequests

I am not really sure it is the best place for it, but I figure Gustavo will be checking this.
[Galaxy S II Android Development] nhmanas:
Explanation for everyones major bug!!

ONLY on web browsers that supports html5!

Chrome, mozilla and opera [I didn't test other (Opera Offroad mode and stock browser have no issue)] causes freeze.

This freeze is only on specific websites

Ex: https://app.cloudsfer.com/User/Login

This page ALWAYS make my phone freeze only on this kernel and dorimanx test kernels. Most of google search pages are too A great kernel! But this issue make me crazy I am a tidy user :D
[Galaxy S II Android Development] RuffBuster:
Not for me using chrome on latest 04/02 build on saber kit kat with trim although I'm also ruining on ART runtime, dunno if that makes a difference? For me it's running awesome!
[Galaxy S II Android Development] 089man:
New version works great with RR rom

I9100 Tapatalk, RR 5.0.2 Lollipop
[Galaxy S II Android Development] Saber:
The freeze is random and isn't website specific. I use chrome on my device and sometimes it freezes on the XDA forum. I've checked claims that it could be a problem with the ram management but even with chrome freezing, I don't notice any ram usage spikes. It would be great if people could give logs to us so we can analyze the issue. Stock browser doesn't experience this same problem as it is a stripped down version of chrome and has an older browser engine. AFAIK, opera and chrome should have similar problems as they should have the same engine (just like on the desktop).

Regards, gsstudios
[Galaxy S II Android Development] Resync:
0402 trim runs very good so far! Get!
[Galaxy S II Android Development] ASRock86Cro:
with android 4.4.2 or 4.4.4?
[Galaxy S II Android Development] Resync:
444
[Galaxy S II Android Development] nhmanas:
This is my results according to my tests. Belive or not these are not random freezes! I get only on web browsers (which I explained) I don't have logs because I flashed unofficial cm12 with stock cm12 kernel (I need to use my device as a daily driver) I wish I have logs to show you..

Btw my tests made on cm11 official rom weekly builds (a 2015 nightly)(not linaro mod)
[Galaxy S II Android Development] pilgrim011:
Not only on browsers. I had a freeze last night while typing a long letter. I think it was keyboard related - I use Sony keyboard which is probably heavier on CPU than the default keyboard. Only hard reboot solved it. CM11 latest...
[Galaxy S II Android Development] JavaScout:
[MENTION=964877]pilgrim011[/MENTION] what kind of gov/scheduler did you use during the freeze?
[Galaxy S II Android Development] pilgrim011:
All default, no change, which means, I guess, ondemand + cfq.
[Galaxy S II Android Development] JavaScout:
I've said this before, and I'll keep saying: use NeoX gov. You'll easily get over 500 hours of stable uptime, or even more. I personally don't flash any roms or kernels anymore, just applying init.d scripts when I want to tweak something…
[Galaxy S II Android Development] pilgrim011:
Thank you, will try next time I'm on this kernel.

Btw., there is a bug which I was sure it's ROM related, but now that I'm on Apolo kernel, seems like it's kernel's fault - when trying to go to recovery from advanced reboot menu (power button), the phone hangs and eventually turns off. Using latest cm11 nightly. The bug is there when using Gustavo kernel, but not while using Apolo...
[Galaxy S II Android Development] JavaScout:
Mate, it's definitely rom's fault. I'm using Gustavo_s with SlimSaberKat and there's no such problem.
[Galaxy S II Android Development] Zile995:
Latest stable build 120h uptime.. Great :)

1.2GHz/400MHz pegasusq/sio

Bad mobile signal.

Cyanogenmod 11. It will be better on slimsaber or slimkat ;)
[Galaxy S II Android Development] tsunder3:
anybody got a suggestion on which is the best governor for music playback, for both performance and battery usage? (bluetooth headphones)
[Galaxy S II Android Development] Saber:
Pegasusq or hyper or zzmove. Zzmove isn't a good gaming or performance governor. Pegasusq can be not smooth at times. HYPER is the best for stability. Try hyper first, if you don like it, try pegasusq, then zzmove.
[Galaxy S II Android Development] DingoBat:
Can someone explain or offer a solution to this:

For about 6 months now, when I take my phone out of Airplane mode, the wifi sometimes stays off (it was on before putting the phone in wifi mode). Most of the time, wifi will go on automatically, but occasionally it won't. The problem occurs on CM11 nightlies and OmniRom nightlies (which is what I'm on at the moment) and it's happened on Gustavo kernel and Dorimanx kernel, so I cannot explain it as a ROM-specific, or Kernel-specific problem.

Has anyone else had this before, and if so, is there a fix?

Thanks team.

DB
[Galaxy S II Android Development] tsunder3:
Will do and report back, thanks ;)
[Galaxy S II Android Development] fubo73:
Are you using kk_... kernel on LP RR 5.0.2?
[Galaxy S II Android Development] 089man:
Sorry, I think I have posted in wrong thread... I mean apolo beta 4 for lollipop... Kk Kernel never works on lollipop..

I9100 Tapatalk, RR 5.0.2 Lollipop
[Galaxy S II Android Development] Zile995:
Where is NeoX? :D So HYPER is smoother than pegasusq?
[Galaxy S II Android Development] JavaScout:
I vote NeoX only. 500+ hours don't lie
[Galaxy S II Android Development] LiL_Assassin:
Really looking forward to Having this kernel on lollipop, as buggy as Lollipop is. It's a huge refresh to Android on my i9100
[Galaxy S II Android Development] MikiGry:
And it is soo hard to press tile/toggle on statusbar again to active it ?

Mebay try to clen install the rom again.

End of ot.

Wysłane z YSF-fonika 6.7 powered by Apollo kernel.
[Galaxy S II Android Development] RuffBuster:
Unless this is SPECIFICALLY about "gustavo_s" kernel this doesn't belong here. Have you had these issues using the stock kernel that comes with the ROM in question? And make sure you fully wipe before flashing between ROMs or use Hawkercore cleaning script when flashing between kernels...
[Galaxy S II Android Development] Saber:
Fair enough. Phone stability is dependent on many factors. But I believe that neox is a more aggressive pegasusq governor. More performance, less battery life.

---------- Post added at 09:34 PM ---------- Previous post was at 09:26 PM ----------

HYPER is much smoother than pegasusQ. I've been using it for months now and there has been not one hiccup (apart from google chrome freezing, but that's the browsers problem). Since you said you want to listen to music and etc, I believe you want a good balance between battery life and performance. Now lets talk about neox, it is more aggressive pegasusq which is aimed at better performance. This means it will be smoother than pegasusq but it will have less battery. HYPER is a based on ondemand with tweaks for battery life and performance. This means that it will be a good balance between battery life and performance. Regardless of descriptions, the experience depends on the user (in this case, you).

I hope this addresses you quiries
[Galaxy S II Android Development] Zile995:
Thanks for explanation. It is much smoother. I have to decide which scheduler to use... Row or Sio.

Btw. Try to set 160MHz first gpu freq step. It will be mutch smoother in chrome. 900mV is default voltage.
[Galaxy S II Android Development] DingoBat:
[MENTION=5468078]MikiGry[/MENTION] it's not difficult to toffle the wifi, but when I only remember 12hrs later, I've chewed through most of my mobile data cap.

I agree this was OT, but being non-ROM specific and non-kernel specific, it doesn't really belong anywhere. Was just hoping for a useful reply.

OT ended.
[Galaxy S II Android Development] Zile995:
Same problem with hyper governor after reboot. If i change governor in synapse, phone will freez :(
[Galaxy S II Android Development] Saber:
I believe this is something to do with the kernel. It's not because of the cpu governor, rather it is a problem with synapse implementation of the kernel (specifically changing CPU governor part . Does the problem occur in stweaks? I'll add this to the list of bugs.
[Galaxy S II Android Development] JavaScout:
That's a good reason not to use tweaking software at all. Init.d ;)
[Galaxy S II Android Development] Saber:
yeah, i agree. I personally find synapse and stweaks a little buggy.
[Galaxy S II Android Development] beardedwonder:
I've been getting crashes using recent versions of opera mobile with this kernel and markox ROM. I resolved it by rolling back to a previous version of opera.
[Galaxy S II Android Development] Saber:
Are you sure this issue isn't a browser issue? Since you've updated the browser and experienced problems, doesn't this seem as a problem with opera? You statement assumes the kernel is involved with the problem. Please elaborate your findings.
[Galaxy S II Android Development] jnetode:
Hi [MENTION=4217277]Gustavo_s[/MENTION], Please consider compiling the kernel for 5.0. I miss your features and the trim capability. The one version that [MENTION=6159291]Lysergic Acid[/MENTION] compiled has still some WiFi bugs.
[Galaxy S II Android Development] arpit_nnd:
It may sound noobish but, is there anything I need to be careful about before I use the TRIM version of the kernel. I have got an idea of TRIM in general but, does it really help our device? Does it crause any issues?
[Galaxy S II Android Development] Zile995:
It does not occur in stwaks. Stweaks doesn't save/restore my configuration after reboot. Strange, that happens after synapse-hyper bug :)
[Galaxy S II Android Development] Saber:
If you can, you can use kernel wipe script before every update of the kernel to minimise problems. I think switching between kernel configurators can cause problems, so it's best to use only one app after kernel install. (Kind of hard since synapse freezes when changing cpu governor for you).

---------- Post added at 08:50 PM ---------- Previous post was at 08:44 PM ----------

The trim feature included in this kernel is probably over 90% safe. Even for those affected by emmc brickbug chip, they still can use trim enabled kernels thanks to lanchon. The associated risk is minimal, but there is always a slight (very small) chance that your phone can get stuffed up. Trim can speed up our device storage access where the real difference can only be determined when comparing the phone after long term use. There is no issues with trim and shouldn't be a problem for you.

Regards, gsstudios
[Galaxy S II Android Development] Zile995:
Sir, I always use nuke and kernel wipe script, and always full wipe, never dirty flashing.

I use only synapse. I have only tried stweaks because I had that synapse problem. Stweaks is even worst app.

-Flashed rom Philz recover

-flashed rom nuke script

-wipe data/factory reset-> clean to install a new rom

-Flashed latest cm11 nightly

-then kernel wipe script

-Gustavo 04.02 kernel

-Flashed gapps

-wipe cache and dalvik

-reboot system now

On first boot evrething is normal, but as I explained after reboot (hyper governor) it doesn't restore all my settings.. When I open synapse, it shows me "Synapse boot cancelled"(something like that)... If I go to governor tab after that and change governor, app will freeze(phone doesn't respond, only status bar works).
[Galaxy S II Android Development] Saber:
I think this problem happened to me once I installed and rebooted using Gustavo kernel. This will need to be investigated further.
[Galaxy S II Android Development] :
Yeeeep. Wipe then flash ROM + gapps and let it boot first then reboot back to covery and flash kernel.. Then it'll work.
[Galaxy S II Android Development] Saber:
Yes, but Zile is experiencing a different problem. He has done all necessary wiping an still experiences problems. Logs would be awesome to see if it's really app related or not (if possible).
[Galaxy S II Android Development] :
No different to problem I'm currently have.. I did clean wipe and update to latest CM11 nightly hour before I posted, neither synapse or stweaks worked until I did it in that order which only made synapses works now anyway.. Stweaks still throws unexpected error for half a second and disappears.
[Galaxy S II Android Development] Zile995:
[MENTION=4217277]Gustavo_s[/MENTION] [MENTION=5811506]gsstudios[/MENTION]

Here are some logs :)
[Galaxy S II Android Development] Acid0057:
I feel like a noob for asking this. But where is the download for this kernel? I'd love to try it on my S2 GT-i9100 with CM11 Nightlies. Thanks.
[Galaxy S II Android Development] Nightshadow931:
Download tab, it's up there on the left side.

Sent from my GT-I9100
[Galaxy S II Android Development] Acid0057:
Ah would explain why I couldn't see it. Was browsing in Tapatalk. Thanks [MENTION=4313195]Nightshadow931[/MENTION]
[Galaxy S II Android Development] Saber:
[MENTION=5839502]Zile995[/MENTION] I see in the logcat that your phone has frozen because of synapse. You have a few cases where synapse is not responding and where it had tried to restore the app state but it fails. I not sure what the problem is but maybe Gustavo can have a better look at it. Since this problem happens to a small number of people, we can assume that it's not bad app programming, but rather the app is either freaking out as it can not set your settings that you've applied for the kernel.

[MENTION=4217277]Gustavo_s[/MENTION] I did some cleanup to your kernel problem spreadsheet. All reported bugs that aren't bugs have been removed.

[MENTION=1670821]cybernetus[/MENTION], if you have spare time, you please help us analyse the problem with synapse (zile995 has attached the logcat and etc on his post). Many thanks, gsstudios
[Galaxy S II Android Development] LS.xD:
[MENTION=4217277]Gustavo_s[/MENTION] - Is there any Lollipiop / CM12 compatible version of your great kernel yet?
[Galaxy S II Android Development] killar_aka_arabu:
be, patient! im waiting too, so much...but, not asking for eta, respect the dev time ) good luck! peace
[Galaxy S II Android Development] -iHackerz-:
Soon™ :p
[Galaxy S II Android Development] Smantanasiceapa:
I can't find the download link :| where is it?
[Galaxy S II Android Development] Acid0057:
At the top of the first post. There's some tabs. Have to view it on a computer.

Sent from my GT-I9100 flowing on SwiftKey in Tapatalk
[Galaxy S II Android Development] Alucard:
Does this kernel have swap support?
[Galaxy S II Android Development] Smantanasiceapa:
I am useing the web broswer, but still cand find it, I don't see any clearly redirection to download link or something like that...
[Galaxy S II Android Development] Acid0057:
Very top in some tabs.

Sent from my GT-I9100 flowing on SwiftKey in Tapatalk
[Galaxy S II Android Development] Smantanasiceapa:
Never seen those tabs until you pointed me through. Thanks!

What's the difference between the version with TRIM and the other without?
[Galaxy S II Android Development] Acid0057:
You're welcome! One has Trim and one doesn't. Trim could help speed up your s2 depending on its age.

Sent from my GT-I9100 flowing on SwiftKey in Tapatalk
[Galaxy S II Android Development] chiinchan:
trim

what is more applicable to use with TRIM or without , what are there advantage and disadvantage to each other . sorry for being noob . its my 1st time to flash a custom kernel :) btw im using stock cyanogenmod 11
[Galaxy S II Android Development] Acid0057:
See my post directly above. Trim could speed up your device depending on use and age.
[Galaxy S II Android Development] darkcheater:
Phone doesn't boot after flashing the kernel on Slimkat 7.4 or 9 :(

Tried 4.2. version with and without trim
[Galaxy S II Android Development] LiL_Assassin:
Must be your setup. Works for me fine.
[Galaxy S II Android Development] psydex:
I've flashed this into CM's latest nightly - I'm impressed by how much it sped up the ROM. I got one issue though - I got random reboot during call but i'm not sure if it's ROM's fault or kernel's. What do you guys think? I'm using HYPER (governor)+ SIO (I/O) if that matters. Also Synapse doesn't seem to be working with this kernel:
[Galaxy S II Android Development] Zile995:
[MENTION=4972805]psydex[/MENTION] Maybe it is governor problem?

I have problem with HYPER/Synapse after reboot. http://xdaforums.com/showthread.php?p=58919456
[Galaxy S II Android Development] John Jefferson:
Hello, I wonder if it is possible to further increase the sound from the headset, in addition to 20 decibels provided by the synapse? I would like to increase my in around 30 to 35 decibels ... If you can not do the procedure with the application "synapse", there is some other way to make this change manually in some system file ?

Thank you for your cooperation!
[Galaxy S II Android Development] Acid0057:
That's pretty loud. I suspect that the sounds you're playing will get quite distorted at that level. Some of my louder Podcasts distort at 20 dB

Sent from my GT-I9100 flowing on SwiftKey in Tapatalk
[Galaxy S II Android Development] ivenoev:
Hello, does this kernel has s4 wifi drivers like Apolo has, because the wifi network in my university doesn't work with default kernels. Only the one Apolo has works. I have searched the thread and couldnt find.anything. thanks!
[Galaxy S II Android Development] John Jefferson:
Lost IMEI

Hello,

[MENTION=4217277]Gustavo_s[/MENTION], Please put a tutorial wrapped in the post, teaching how to do to make backup EFS partition (partition where the IMEI is registered) and how we can recover in case of any unexpected problems.

After years of using my Galaxy S2 as the subject for testing, I had the first time a serious problem when installing this kernel: I lost my IMEI code with that my phone does not detect any network ... :(

Please make a tutorial for us, of how to make an effective backup all mobile partitions (completa) / OR just EFS partition .. This is very important. I think that should be the first requirement to start the installation procedure of KERNEL..

Tutorial:

I can not do full backup / efs partition and do not know recover :D

Now, I will have to pay R$ 50 for the technical assistance of samsung fix my cell phone IMEI here in São Paulo,because I did not succeed in fixing :(

If anyone knows how to fix the IMEI free please please me help ...

Thank U
[Galaxy S II Android Development] Giobio:
If you did a backup for the past, restore it and you' should find the imei too...
[Galaxy S II Android Development] John Jefferson:
See the procedures I tried to retrieve IMEI:

- I had made a backup with clockworkmod, the CyanogenMod 11. I recovered this up. without success :(

- I copied the EFS folder from another GT I9100 I have (with working IMEI), and put in GT I9100 which is without IMEI. (Think it would clone, but okay: D). BUT without success.

- Tried this tutorial: http://xdaforums.com/galaxy-s2/general/guide-recover-imei-9-steps-t1264021. without success;

- I downgrade to version 2.3.5 (installing the PDA files, MODEM, CSC, separated via ODIN). without success.

- I tried to use the "EFS Professional" made available here on the forum, but to use the "Qualcomm NV tools" tool, when I press on connect device, displays a message stating an SPC error(It is not driver problem, because another tool "Efs professional", recognizes and correctly reads the cell), without success .

- I tried this tutorial: http://pandadiv.blogspot.com.br/2014/04/null-imei-004999010640000-fix.html, but as I commented on the blog, the option to fix the IMEI is not available. And now the author said it is necessary Z3 Box ...

Does anyone have one more tip ?? Does anyone know a tool to recover IMEI? (Can be a paid, but it is a tool that is not necessary to pay every time you use (pay only 1 time)

Thank U
[Galaxy S II Android Development] MatteoB92:
From what I know, to recover IMEI is necessary just come back to stock Rom performing a full wipe through Odin..
[Galaxy S II Android Development] LiL_Assassin:
YOU CANT USE another phone efs. Just doesn't work. Download a program called ktool and restore.
[Galaxy S II Android Development] JavaScout:
Warning for the folks who plan to use twrp from this kernel in order to flash cm12 build: device will reboot during the flash. The flash will not be complete. Use twrp from slimsaber instead. Have a nice day :)
[Galaxy S II Android Development] Saber:
Or you could use apolo kernel's twrp :) [MENTION=4217277]Gustavo_s[/MENTION], I think it's time to update twrp (or revert if it's already on latest version) :)
[Galaxy S II Android Development] Gustavo_s:
Cyanogenmod 12 support

Cyanogenmod 12 kernels are up.

Do not try to flash cyanogenmod 12 zip files with trim-enabled kernels, your phone will reboot immediately. No damage will be done though. You've been warned.

Support for other roms will come in the future, i think i'll wait until cyanogenmod merges 5.1 source to make an unified ramdisk for CM and Omni.

Sorry for the slow update btw.
[Galaxy S II Android Development] Skyline:
Sir,Is it work with RR 5.3.8 which is based on cm12 by [MENTION=6159291]Lysergic Acid[/MENTION]??:fingers-crossed:

Another question,

zRAM is enable and all the features are still there?
[Galaxy S II Android Development] Giobio:
Yes, it works...
[Galaxy S II Android Development] naveen1990:
not working with the latest CM 12 03/06 build

Getting bootloops after flashing the kernel.

tried everything but it dint work with the latest build of CM 12
[Galaxy S II Android Development] :
you need to flash non-trim kernel on CM12
[Galaxy S II Android Development] JavaScout:
Try reading post #3923
[Galaxy S II Android Development] Noctis Lucis Caelum:
Working on well on Lp V7.0 Validus

Thanks [MENTION=4217277]Gustavo_s[/MENTION]
[Galaxy S II Android Development] j1gga84:
Anybody tested it on latest SlimLP?

Regards

Sent from my SM-T805 using german Tapatalk 4
[Galaxy S II Android Development] buddy1234567:
Tested on latest cm LP on i9100 by LA. Running great. With default settings it seems a bit more chipper than the default kernel.

Small issue: bln does not seem to remain after Apply is set.