[KERNEL][REF][Q&A] Siyah 5.0+[ICS/CM10] 6.0b5+[JB/CM10.1] +DISCUSSION+. NON-DEV!!!

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arshu16

Senior Member
Mar 19, 2010
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New Delhi
Re: [KERNEL][REF][Q&A] Siyah 5.0+/6.0b5+ [ICS][JB/CM10.1] +DISCUSSION+. NON-DEV Threa

Is the kernel working correctly on cm10.1??

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Many40

Senior Member
Nov 25, 2009
5,598
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Re: [KERNEL][REF][Q&A] Siyah 5.0+/6.0b5+ [ICS][JB/CM10.1] +DISCUSSION+. NON-DEV Threa

The new beta5 It's a great kernel indeed. Working very well on my phone, previous issues solved very quickly (boot hang, stock video player FC, governor/scheduler not kept after reboot) - big respect for the Dev! However I'm missing very much custom frequency CPU steps which has been removed from it. AFAIR they where there (with small modifications) since much time ago. I used them on my phone 100 -1000MHz with 100MHz step and they worked very smoothly for me. Pegasusq governor scaled them exactly as I wanted:

qepe8adu.jpg


So, looking forward to hopefully have them back (if possible) However, I assume at the same time that GM had a very good reason to remove them from current kernel.

Sent from my GT-I9100 using xda premium
 

bogdan1980

Senior Member
Sep 28, 2012
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Bucharest greatest city ever
Re: [KERNEL][REF][Q&A] Siyah 5.0+/6.0b5+ [ICS][JB/CM10.1] +DISCUSSION+. NON-DEV Threa

Vpll ON crash gpu on nenamark2. Just like the old siyah v5.0 beta.
It seems like an slowdown then freeze the screen. Without Vpll, gpu is ok even at 400mhz.

Galaxy powered by GM and Dorimanx.
 

pilgrim011

Senior Member
May 3, 2008
1,639
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103
Belgrade
www.tvojsajt.com
Guys please someone can give me some tips of how to increase battery life on revolt 2.8.2 with latest siyah kernel.
I already stopped all syncs and I applied a dark theme on my rom .
But still the battery keeps me 1 day.

Sent from my GT-I9100 using Tapatalk 2

How can you say such a thing when beta 5 is released only few hours ago?

---------- Post added at 11:17 AM ---------- Previous post was at 11:14 AM ----------

The new beta5 It's a great kernel indeed. Working very well on my phone, previous issues solved very quickly (boot hang, stock video player FC, governor/scheduler not kept after reboot) - big respect for the Dev! However I'm missing very much custom frequency CPU steps which has been removed from it. AFAIR they where there (with small modifications) since much time ago. I used them on my phone 100 -1000MHz with 100MHz step and they worked very smoothly for me. Pegasusq governor scaled them exactly as I wanted:

qepe8adu.jpg


So, looking forward to hopefully have them back (if possible) However, I assume at the same time that GM had a very good reason to remove them from current kernel.

Sent from my GT-I9100 using xda premium

I'm thrilled with 5 steps - no wonder that is the choice of Samsung. I think that because of more steps we were experiencing micro lags in the past. GM, great decision.
 

Tungstwenty

Senior Member
Nov 1, 2011
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Just a little request (even more like a question, actually)... Is it possible to include the /Preload backup in the CWM, similar to PhilZ kernel/recovery? It would be just much more convenient. Not a huge issue, but it would sure be a nice-to-have feature.
I'm not sure if a stock samsung JB rom will do a "minimal" boot with an empty /preload, but if so you could keep on your sdcard the hidden.img file and apply it with MobileODIN after restoring the rest.
The contents of /preload are pretty much static - even more than /system which might change when you flash mods - and unless you manually change them or specific mods start messing with its contents, it should be identical to the original that comes with the rom package.

But adding it to the backup would be convenient, yes, although the required size for backups will increase.
 

PMoto

Senior Member
Jun 16, 2009
757
59
58
Porto - Portugal
Yes. Good job GM. Running just fine in stock lsd rom.
I wonder if the alarm not working well could be kernel related issue, and this version will do something about it...

(Alarm not working in LSD rom's -> just play for a second and shut up. Repeat will work just fine. This behavior happens randomly, many times in the morming thought)

PMoto
 
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jgcaap

Senior Member
Sep 22, 2009
9,910
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Porto
Re: [KERNEL][REF][Q&A] Siyah 5.0+/6.0b5+ [ICS][JB/CM10.1] +DISCUSSION+. NON-DEV Threa

Never had this boot loops thingy xD

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Many40

Senior Member
Nov 25, 2009
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Re: [KERNEL][REF][Q&A] Siyah 5.0+/6.0b5+ [ICS][JB/CM10.1] +DISCUSSION+. NON-DEV Threa

I'm thrilled with 5 steps - no wonder that is the choice of Samsung. I think that because of more steps we were experiencing micro lags in the past. GM, great decision.

Micro lags? What's that? Heard nothing about nor experienced such thing on previous releases.


Sent from my GT-I9100 using xda premium
 

electricsheepdreamer

Senior Member
Oct 18, 2012
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Re: [KERNEL][REF][Q&A] Siyah 5.0+/6.0b5+ [ICS][JB/CM10.1] +DISCUSSION+. NON-DEV Threa

I'm not sure if a stock samsung JB rom will do a "minimal" boot with an empty /preload, but if so you could keep on your sdcard the hidden.img file and apply it with MobileODIN after restoring the rest.
The contents of /preload are pretty much static - even more than /system which might change when you flash mods - and unless you manually change them or specific mods start messing with its contents, it should be identical to the original that comes with the rom package.

But adding it to the backup would be convenient, yes, although the required size for backups will increase.
Orange Backup app does a great job with it.:thumbup:
Micro lags? What's that? Heard nothing about nor experienced such thing on previous releases.
Maybe on LSD?:)
 
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gokhanmoral

Retired Senior Recognized Developer
Mar 16, 2006
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RE: [KERNEL][REF][Q&A] Siyah 5.0+/6.0b5+ [ICS][JB/CM10.1] +DISCUSSION+. NON-DEV Threa

Dorimanx kernel modifies the rom to change that mapping and that causes problems with other kernels. You have to revert that change before flashing another kernel or flash the rom again. Siyahkernel handles that in the kernel level and doesn't touch any files in your rom.

Did anyone notice the home button bug coming from dorimanx to siyah on dual boot. I fixed now with clean flash, just wondered if it was just me


Sent from my GT-I9100 using xda premium


Sent from my RM-825_eu_turkey_211 using Board Express
 

Nos_20

Senior Member
Sep 21, 2011
2,107
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OnePlus City
Re: [KERNEL][REF][Q&A] Siyah 5.0+/6.0b5+ [ICS][JB/CM10.1] +DISCUSSION+. NON-DEV Threa

The new beta5 It's a great kernel indeed. Working very well on my phone, previous issues solved very quickly (boot hang, stock video player FC, governor/scheduler not kept after reboot) - big respect for the Dev! However I'm missing very much custom frequency CPU steps which has been removed from it. AFAIR they where there (with small modifications) since much time ago. I used them on my phone 100 -1000MHz with 100MHz step and they worked very smoothly for me. Pegasusq governor scaled them exactly as I wanted.

So, looking forward to hopefully have them back (if possible) However, I assume at the same time that GM had a very good reason to remove them from current kernel.

Sent from my GT-I9100 using xda premium

GM removed the custom frequencies as that was causing the stock video player to crash.

Sent From My Galaxy S2
Running AllianceROM v6.1
Powered By [URL="http://www.gokhanmoral.com/" ]Siyah Kernel S2-v6.0 beta 5[/URL]
 
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bombaybadboy

Senior Member
Apr 22, 2012
7,782
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Wolverhampton
Re: [KERNEL][REF][Q&A] Siyah 5.0+/6.0b5+ [ICS][JB/CM10.1] +DISCUSSION+. NON-DEV Threa

Dorimanx kernel modifies the rom to change that mapping and that causes problems with other kernels. You have to revert that change before flashing another kernel or flash the rom again. Siyahkernel handles that in the kernel level and doesn't touch any files in your rom.




Sent from my RM-825_eu_turkey_211 using Board Express

Thanks GM, a fresh install and everything is running great now. Glad your back

Sent from my GT-I9100 using xda premium
 

THE RED BLUR

Senior Member
Mar 7, 2012
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Re: [KERNEL][REF][Q&A] Siyah 5.0+/6.0b5+ [ICS][JB/CM10.1] +DISCUSSION+. NON-DEV Threa

Did anyone notice the home button bug coming from dorimanx to siyah on dual boot. I fixed now with clean flash, just wondered if it was just me


Sent from my GT-I9100 using xda premium

It depends which version you used buddy that would help:p

If you used the version 7.44 that I got modified to work on LSD then of course that will happen. The last official version I think since version 7.46 will not cause this anymore if you flash via cwm as it repairs this on its own.

All solutions to this in my cave to so no big deal.

SIGNATURE


PHONE : SGSII
Sent via: Tapatalk
Main ROM: AllianceROM LSD beta
KERNEL : Siyah 6.0b5
(DEFAULT PROFILE AND SETTINGS )
MODEM : LS8
BATTERY : Stock 1650mAh
EXTERNAL Sdcard : Samsung Class 10 32gb
LAUNCHER : Apex
Root Manager : SuperSU 1.04

THE CAVE = My Guides list to install NeatRom and other ROMS and kernels on LSJ and LS8 + tools to have a bug free rom and kernel + how to back up and RESTORE ROM OM FULLY = http://forum.xda-developers.com/showthread.php?p=35923600

1.Current list of kernels on LSJ and pros and cons

http://forum.xda-developers.com/showthread.php?p=36698607


2.Rom Nuke / Wipe scripts

http://forum.xda-developers.com/showthread.php?p=36742265

3. GS2KERNELWIPE script

http://forum.xda-developers.com/showthread.php?p=36742198

4.Fast Dormancy :

http://forum.xda-developers.com/showthread.php?p=36396636

5. How to install full wipe with rom nuke on LSJ

http://forum.xda-developers.com/showthread.php?p=36655790

 

Many40

Senior Member
Nov 25, 2009
5,598
17,881
263
Re: [KERNEL][REF][Q&A] Siyah 5.0+/6.0b5+ [ICS][JB/CM10.1] +DISCUSSION+. NON-DEV Threa

GM removed the custom frequencies as that was causing the stock video player to crash.

Sent From My Galaxy S2
Running AllianceROM v6.1
Powered By [URL="http://www.gokhanmoral.com/" ]Siyah Kernel S2-v6.0 beta 5[/URL]

Thanks for the info, however this issue was not so critical for me as long as stock video player played files when opened from gallery and some other workarounds were available as well. Regards

Sent from my GT-I9100 using xda premium
 

bombaybadboy

Senior Member
Apr 22, 2012
7,782
16,693
263
Wolverhampton
Re: [KERNEL][REF][Q&A] Siyah 5.0+/6.0b5+ [ICS][JB/CM10.1] +DISCUSSION+. NON-DEV Threa

It depends which version you used buddy that would help:p

If you used the version 7.44 that I got modified to work on LSD then of course that will happen. The last official version I think since version 7.46 will not cause this anymore if you flash via cwm as it repairs this on its own.

All solutions to this in my cave to so no big deal.

SIGNATURE


PHONE : SGSII
Sent via: Tapatalk
Main ROM: AllianceROM LSD beta
KERNEL : Siyah 6.0b5
(DEFAULT PROFILE AND SETTINGS )
MODEM : LS8
BATTERY : Stock 1650mAh
EXTERNAL Sdcard : Samsung Class 10 32gb
LAUNCHER : Apex
Root Manager : SuperSU 1.04

THE CAVE = My Guides list to install NeatRom and other ROMS and kernels on LSJ and LS8 + tools to have a bug free rom and kernel + how to back up and RESTORE ROM OM FULLY = http://forum.xda-developers.com/showthread.php?p=35923600

1.Current list of kernels on LSJ and pros and cons

http://forum.xda-developers.com/showthread.php?p=36698607


2.Rom Nuke / Wipe scripts

http://forum.xda-developers.com/showthread.php?p=36742265

3. GS2KERNELWIPE script

http://forum.xda-developers.com/showthread.php?p=36742198

4.Fast Dormancy :

http://forum.xda-developers.com/showthread.php?p=36396636

5. How to install full wipe with rom nuke on LSJ

http://forum.xda-developers.com/showthread.php?p=36655790


I thought dori home button bug was suppose to have been fixed but didn't think of being on a modified older kernel. Thanks Trb, did a complete clean install of both roms and there working perfect so far

Sent from my GT-I9100 using xda premium
 

THE RED BLUR

Senior Member
Mar 7, 2012
6,995
21,770
0
LONDON
Re: [KERNEL][REF][Q&A] Siyah 5.0+/6.0b5+ [ICS][JB/CM10.1] +DISCUSSION+. NON-DEV Threa

I thought dori home button bug was suppose to have been fixed but didn't think of being on a modified older build. Thanks Trb, did a complete clean install of both roms and there working perfect so far

Sent from my GT-I9100 using xda premium

Jeez buddy did you have to go through all that. :eek:

Im sure if you had just either flashed onto jeboo and then flash back to latest dorimanx then flash to Siyah that would have worked.

Or the manuel fix in my cave or a non wipe installation of both roms.

Anything but the wipe:(

Well glad its working now :)


SIGNATURE


PHONE : SGSII
Sent via: Tapatalk
Main ROM: AllianceROM LSD beta
KERNEL : Siyah 6.0b5
(DEFAULT PROFILE AND SETTINGS )
MODEM : LS8
BATTERY : Stock 1650mAh
EXTERNAL Sdcard : Samsung Class 10 32gb
LAUNCHER : Apex
Root Manager : SuperSU 1.04

THE CAVE = My Guides list to install NeatRom and other ROMS and kernels on LSJ and LS8 + tools to have a bug free rom and kernel + how to back up and RESTORE ROM OM FULLY = http://forum.xda-developers.com/showthread.php?p=35923600

1.Current list of kernels on LSJ and pros and cons

http://forum.xda-developers.com/showthread.php?p=36698607


2.Rom Nuke / Wipe scripts

http://forum.xda-developers.com/showthread.php?p=36742265

3. GS2KERNELWIPE script

http://forum.xda-developers.com/showthread.php?p=36742198

4.Fast Dormancy :

http://forum.xda-developers.com/showthread.php?p=36396636

5. How to install full wipe with rom nuke on LSJ

http://forum.xda-developers.com/showthread.php?p=36655790

 
Last edited:

bombaybadboy

Senior Member
Apr 22, 2012
7,782
16,693
263
Wolverhampton
Re: [KERNEL][REF][Q&A] Siyah 5.0+/6.0b5+ [ICS][JB/CM10.1] +DISCUSSION+. NON-DEV Threa

First time dual booter and wasn't sure how jeboo or fix would effect my setup. Plus it wasn't the home button bug I have seen before coming from dorimanx kernel. Changed my screen colour to inverted colours, thought clean install was the best idea :)

Sent from my GT-I9100 using xda premium
 
Last edited:

rlorange

Senior Member
Nov 5, 2010
4,307
2,241
0
Melbourne
Re: [KERNEL][REF][Q&A] Siyah 5.0+/6.0b5+ [ICS][JB/CM10.1] +DISCUSSION+. NON-DEV Threa

First time dual booter and wasn't sure how jeboo or fix would effect my setup. Plus it wasn't the home bug I have seen before coming from dorimanx kernel. Changed my screen colour to inverted colours, thought clean install was the best idea :)

Sent from my GT-I9100 using xda premium

I would wait for GM to rework dual boot.

The old dual boot in Dorimax was designed to use Preload to hold the 2ndROM system partition. Since this is now being exploited to hold part of the bigger JB ROMs which don't fit into the original 512mb system partition GM will use a method similar to the S3 where the system partition for 2ndROM is stored in an image file. I'm guessing the overflow of system in preload will be stored in a preload image file as well.

Remember dual boot works because the kernel mounts these image files as if they were the original partitions. Preload used to hold the 2ndROM system partition and since both preload and the system partition are 512MB preload was mount as system for 2ndROM booting.

With Jelly Bean dual boot will need to make image files to be mounted as both system and preload in order to mimic the new split-partition regime.

Sent from my GT-I9300 using Tapatalk 2
 

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  • 86
    hi guys.

    I was away for some time and I didn't read most of the messages lately including the ones in my s3 and xperia threads as well as the discussion threads.
    I have just skipped to the end.
    as you have read in the announcement post of v6.0b5 I know have an s2 (thanks to mbwatson. the device is perfectly working).
    I have tested v6.0b5 on omega rom v20 and yesterday's cm10.1
    I am hoping to release it tonight or tomorrow.
    it is still beta because dualboot needs some more work.
    you can have two cm10.1 or any other cm-based rom but not samsung JB as first or 2nd.
    the changes are not difficult but the repository that I need to clone is big.

    I hope I will add dualbooting in b6 and I will also add some touch2wake patches (implemented by robertobsc. we were talking about it for a long time but his last email is still being kept unread in my mailbox which was sent about a month ago :) )
    then I will spend some time on cypress driver because samsung has changed it a long time ago (and now they have changed it again) but we are still using good-old-messy-driver which has all BLN related changes.

    that's all for now. I doubt I will have time to read and post more, so please give help to those who seek it :)
    70
    I had some time today and merged JB kernel with my modifications.
    there were too many conflicts (because of my previous merges with s3 kernel) and I resolved them in 20-30 minutes.
    I have sent the blindly compiled kernel to a friend and he said that it booted but the modem did not work.
    so, everything is (almost) ready. I just need an s2 for several hours.
    then some time to make dual-boot related changed (I need at least a day)
    I have also put cm10.1 support but I think I will have to remove it because it moves your sdcard contents to a subfolder named 0. multiuser support will create different folders for different users and that will probably break dualboot support.
    so, I will have to find another place to store dual-boot related files.
    69
    can anyone state in a few sentences the very major differences between stock cm10, siyah and dorimanx kernels?
    strong and not so strong points of each of them.

    this would be useful for a large majority of 'not sophisticated' users to make a decision which kernel to choose.

    cm10 is the best kernel for cm10 based ROMs. it is developed by the guys who know what they are doing.

    siyah have some cherrypicks from here and there and some new features. I no longer cherrypick commits that I cannot understand (I used to be doing that a lot). STweaks lets you make some changes easily, without the need of init scripts. siyah supports both samsung and cm roms (except for 10.1) and you can use dualboot feature to have two roms at a time.

    dorimanx's kernel has lots of cherrypicks and he generally tries to catch the latest upstream. I don't understand most of his cherrypicks and he doesn't neither. I guess he trusts the commits from upstream but it may cause instabilities sometimes. however, if those instabilities are fixed those commits may give you some additional performance or even stability (irony? yes). that kernel also have STweaks support and has some more configurables. Dorimanx also uses my commits to support both samsung and cm roms with a single image and also the recovery+initramfs that I modified for dualboot feature. in initramfs there are some more scripts + optimizations some of which I find dangerous and unnecessary but most of them are optional anyway.

    so, if you want to play safe and make sure everything runs as expected use cm10 stock kernel.
    if you want some new features and have time to play with some settings use siyah.
    if you have more time and want to have currently the most benchmark-friendly , fast and up-to-date (considering the cherrypicks from upstream) kernel with some experimental features use dorimanx.
    61
    it is a little unfair to expect people doing something for free and fun to do it very well documented and perfect.

    I never claimed that my work was perfect. indeed, it is not. and I can live with that. also a lot of people can live with that and like it.

    even samsung doesn't do it properly even though you have paid for their product. releasing defective chips, buggy kernels, no commit history, late or sometimes no release for the changes in the kernel (violating gpl), no documentation, no source to support opensource development...

    yeah, I know, some users may flash the latest one on ICS (even on gingerbread, or on another S2 variant) and soft-brick their device. they will have to use odin and nobody should flash any kernels if they cannot take the risk.

    so, dikidera: either you should stop flashing kernels, or I should stop making new ones.
    wanna open a voting poll for it? :p
    58
    sorry guys but I don't have any s2 around.
    as soon as I borrow one I will compile another kernel and also fix dual booting problem with Samsung JB
    I'm also a little busy lately. I am planning to borrow a friend's phone next week for an update.
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