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[KERNEL][SINGLE/DUAL BOOT][JB/KK][STOCK/CM]blackhawk's NEXT kernel 2.4

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By ketut.kumajaya, Recognized Developer on 30th May 2013, 05:34 PM
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NEXT 2.1.8 placeholder: http://forum.xda-developers.com/show...&postcount=472

STOP! This kernel supports ONLY Samsung Jelly Bean 4.1.x, 4.2.2, CM 10.1.x, 10.2, and 11.0 ROMs. It won't work on ICS, CM 9, CM 10.

FOR NOW I FORBID ANYONE ELSE REUSE THIS STILL IN DEVELOPMENT DUAL BOOT PROJECT FOR HIS/HER OWN GALAXY TAB 2 PROJECT!

IMPORTANT NOTES:
NEXT 2.x separated in two package: the kernel part as blackhawk-next-kernel-2.x-p51xx.zip and the proprietary binaries part as proprietary-vendor-samsung.zip for JB >= 4.2 (stock 4.2.2, CM 10.2) and proprietary-vendor-samsung-4.1.x.zip for JB 4.1.x (stock 4.1.2, CM 10.1) . Flash the kernel and then directly flash the proprietary binaries!

Download both proprietary-vendor-samsung.zip and proprietary-vendor-samsung-4.1.x.zip from http://forum.xda-developers.com/show....php?t=2285366 post #2!

Sources:
Kernel sources at http://github.com/kumajaya/android_k...10.1-blackhawk

Features:
  • Samsung stock 4.1.x, 4.2.2 (since 1.8.3), CM 10.1.x and CM 10.2 (since 1.8.3) support with a single kernel image
  • For stock ROM: external SD card - internal media swapper script included
  • Samsung proprietary exFAT modules are loaded. CM 10.1 exFAT support files attached at post #2
  • For CM/CM based ROM, P31xx only: auto rotate screen default orientation depend on ro.sf.hwrotation value, camera orientation fix included
  • Dual-booting. You can have Samsung JB and CM 10.1 ROMs on a single device at the same time.
  • Nice looking AROMA based boot menu
  • Using CyanogenMod kernel source, updated to p3110 source for newer WLAN (Youtube HD bugfix on stock ROM), modem, sensors driver, and etc for both P31xx and P51xx target
  • CPU clock: 300MHz, 600MHz, 800MHz, 1.008GHz, 1.2GHz, 1.35GHz, 1.42GHz, 1.48GHz, and 1.52GHz, locked @ 1.008GHz on boot
  • GPU clock: 153.6MHz, 307.2MHz, 384MHz, and 512MHz, 307.2MHz as the default maximum clock
  • CPU voltage control. You can use Android Tuner/System Tuner/Trickster MOD to set CPU voltage
  • The ramdisk base on JB 4.1.2 (stock ROM) and JB 4.2.2 (CM 10.1)
  • Using newer PowerVR SGX 540 kernel modules and binaries blob
  • row, bfq, sio, and vr scheduler support
  • Governor bug fix. Replace Samsung's interactive governor with default OMAP4 3.0.31 interactive governor from omapzoom.org, plus pegasusq and lulzactive
  • NFS and CIFS/samba (not loaded by default) filesystem support
  • LZMA compressed initrd, to keep boot image smaller than 8MB
  • swap support. zram and cleancache with a working zcache driver, enabled by default
  • kernel config, insmod configs.ko and then you can access /proc/config.gz
  • external modem support, for PPP Widget (not loaded by default, P31xx need powered USB hub for external modem)
  • Some tweaks from gokhanmoral's siyahkernel for S3, passive entropy tweak applied
  • Remove a lot of debug message from touchscreen driver, display, mmc, modem, etc
  • linaro arm-linux-gnueabihf- cross compiler, compiler optimization applied
  • SuperSU v1.41 for stock ROM
  • Self compiled BusyBox v1.22.0-git in /sbin, config file based on CM's BusyBox bbconfig output. fstrim applet patch applied, android_reboot applet added (a quick but clean port from Android toolbox), swapon applet with priority option. For stock ROM: this version of Busybox will overwrite busybox binary in /system/bin or /system/xbin and save it as busybox.backup
  • Early boot scripts support (/system/etc/init.d, /data/local/userinit.sh, and /data/local/userinit.d)
  • Post boot script support (/system/etc/init.post_boot.sh)
  • For stock ROM: custom boot animation support (/data/local/bootanimation.zip or /system/media/bootanimation.zip if exists, Samsung boot animation as a fallback). If a bootanimation.zip found, the boot sound will be turned off as well as the shutdown animation.
  • Modified mount options
  • adb insecure, adb mode in charge state also insecure
  • Advanced TCP congestion support, westwood as the default congestion
  • No /system/etc/hosts patch, you can install AdAway from F-Droid

Known Problems:

Thanks To:
  • gokhanmoral, amarullz, Phil3759, Chainfire, cmenard, codeworkx, imoseyon, coolbho3k, Faux123, AuxLV
  • brolee93 for latest P51xx Samsung stock boot image
  • This part will be expanded. Most of the patches I applied are coded by someone else. Please remind me if I forget to give credits to anybody...

Downloads:
Todo:
  • More features in NEXT tool

Special Thanks:
XDA:DevDB Information
[KERNEL][SINGLE/DUAL][JB/KK][STOCK/CM]blackhawk's NEXT kernel, Kernel for the Samsung Galaxy Tab 2

Contributors
ketut.kumajaya, Android-Andi
Kernel Special Features: Dual boot stock and AOSP based ROM

Version Information
Status: Stable
Current Stable Version: 2.4

Created 2014-09-21
Last Updated 2014-10-29
Attached Files
File Type: zip philz_touch_5.05.0-p5100-blackhawk.zip - [Click for QR Code] (8.00 MB, 3908 views)
File Type: zip philz_touch_5.05.0-p5110-blackhawk.zip - [Click for QR Code] (8.00 MB, 2285 views)
File Type: zip blackhawk-next-kernel-beta-p51xx.zip - [Click for QR Code] (9.45 MB, 877 views)
File Type: zip blackhawk-next-kernel-1.3-p51xx.zip - [Click for QR Code] (9.36 MB, 606 views)
File Type: zip blackhawk-next-kernel-1.3-addon-nooc-p51xx.zip - [Click for QR Code] (6.67 MB, 166 views)
File Type: zip blackhawk-next-kernel-1.4-p51xx.zip - [Click for QR Code] (8.27 MB, 446 views)
File Type: zip blackhawk-next-kernel-1.4-nooc-p51xx.zip - [Click for QR Code] (8.27 MB, 184 views)
File Type: zip blackhawk-next-kernel-1.4.1-p51xx.zip - [Click for QR Code] (8.28 MB, 547 views)
File Type: zip blackhawk-next-kernel-1.4.1-nooc-p51xx.zip - [Click for QR Code] (8.28 MB, 262 views)
File Type: zip blackhawk-next-kernel-1.5-p51xx.zip - [Click for QR Code] (8.32 MB, 340 views)
File Type: zip blackhawk-next-kernel-1.5-nooc-p51xx.zip - [Click for QR Code] (8.32 MB, 264 views)
File Type: zip blackhawk-next-kernel-1.6.3-p51xx.zip - [Click for QR Code] (8.53 MB, 731 views)
File Type: zip blackhawk-next-kernel-1.6.3-nooc-p51xx.zip - [Click for QR Code] (8.53 MB, 274 views)
File Type: zip blackhawk-next-kernel-1.8.3-p51xx.zip - [Click for QR Code] (8.46 MB, 3423 views)
File Type: zip blackhawk-next-kernel-1.8.3-nooc-p51xx.zip - [Click for QR Code] (8.46 MB, 1253 views)
File Type: zip blackhawk-next-kernel-2.1.3-p51xx.zip - [Click for QR Code] (7.92 MB, 561 views)
File Type: zip blackhawk-next-kernel-2.1.4-p51xx.zip - [Click for QR Code] (7.92 MB, 380 views)
File Type: zip blackhawk-next-kernel-2.1.5-p51xx.zip - [Click for QR Code] (6.79 MB, 3767 views)
File Type: zip blackhawk-next-kernel-2.2-p51xx.zip - [Click for QR Code] (7.54 MB, 5939 views)
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30th May 2013, 05:34 PM |#2  
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NEXT 2.x separated in two package: the kernel part as blackhawk-next-kernel-2.x-p51xx.zip and the proprietary binaries part as proprietary-vendor-samsung.zip for JB >= 4.2 (stock 4.2.2, CM 10.2) and proprietary-vendor-samsung-4.1.x.zip for JB 4.1.x (stock 4.1.2, CM 10.1) . Flash the kernel and then directly flash the proprietary binaries!

Download both proprietary-vendor-samsung.zip and proprietary-vendor-samsung-4.1.x.zip from http://forum.xda-developers.com/show....php?t=2285366 post #2!

Changelog:
21/04/2014 2.2:
28/10/2013 2.1.4 -> 2.1.5:
27/10/2013 2.1.3 -> 2.1.4:
  • Ramdisk updated to sync with latest CM 10.2

21/10/2013 1.8.3 -> 2.1.3:
  • Update init script for PAC
  • Disable almost all kernel debugging support except KALLSYMS. Kernel failed to boot with CONFIG_KALLSYMS disabled
  • Turn all CPUs online when governor gets changed, hotplug bug workaround
  • SIO and VR I/O scheduler
  • Initial STweaks support, big thanks @gokhanmoral. Download STweaks app from Play store to access almost all NEXT related settings (CPU governor, frequency, and voltages; GPU governor and frequency limit; surfaceflinger rotation; I/O scheduler; logger; CIFS, Xbox controller, and USB modem support; and dual boot related settings).
  • Update overclock codes, remove gpu_oc interface: https://github.com/kumajaya/android_...5c5b052ae8ba18
  • sgxfreq: add sysfs interface to store frequency limit: https://github.com/kumajaya/android_...597dad300f4e47
  • sgxfreq: limit frequency to default on boot: https://github.com/kumajaya/android_...7b1207807ab701
  • The latest Android Tuner app needed to control the modified OMAP GPU control interface but the dirty way by editing /etc/init.post_boot.sh always available
  • Separated vendor blobs for JB 4.1.x and JB >= 4.2, @poppolo2001 fix applied
  • With CPU and GPU overclock, CPU under/over voltage, upstream kernel 3.0.96 by @CodyF86
  • Complete changelog: https://github.com/kumajaya/android_...cm-10.2-update

10/08/2013 1.6.3 -> 1.8.3:
  • Initial upcoming Samsung 4.2.2 support
  • Initial CM 10.2 support. Do not flash blackhawk-next-cm-exfat-vold.zip! CM 10.2 already has an open source/reverse engineered exFAT filesystem support
  • Vendor blobs in separate flashable zip. For all ROMs, on both 1st and 2nd ROM: Flash vendor-blobs-new-ducati-blackhawk.zip directly after flashing NEXT 1.8.3!
  • Updated to upstream Linux kernel 3.0.41 (incremental patch)
  • The first kernel utilizing the new ducati firmware, the first kernel preserved 804MB RAM! Don't forget to flash vendor-blobs-old-ducati-blackhawk.zip if you switch to another kernel
  • zram switched to zsmalloc, zram optimized for Android disabled
  • XBox 360 USB controller with BigX LED support enabled (by @iks8 request). Modules not loaded by default, edit /system/etc/init.d/02modules to activate it.

23/07/2013 1.6.2 -> 1.6.3:
  • Add android_reboot applet to NEXT's busybox (a quick port from Android toolbox) to fix AROMA boot menu fail to boot into recovery/bootloader as reported by @kinung
  • I hate bug!

22/07/2013 1.5 -> 1.6.2:
  • Hotplug CPU governor working properly with cleancache enabled, zcahe memory corruption problem fixed!
  • Static linked busybox compiled from source, fstrim patch applied. Busybox config based on CM's busybox bbconfig output. Total 46 new busybox applet, add priority option to swapon applet
  • zRAM swap per CPU core, same priority value. CM's /system/bin/compcache script updated to handle 2 zRAM devices. Reference: http://wiki.gentoo.org/wiki/Zram
  • Stock ROM default zRAM size 26% RAM size. Following CM's standard, user can set zRAM value for example to 30% by typing "setprop persist.service.zram 30" over Terminal Emulator or over "adb shell setprop persist.service.zram 30". CM user can use Settings application: Performance - Memory management - zRam.
  • Swappiness value changed to 90
  • LZO compression updated to current upstream version, optimized for arm. Reference: http://git.kernel.org/cgit/linux/ker...fdf4ff0a99cf50
  • zRAM support optimized for Android, utilizing the new lzo library.
  • cleancache support with working zcache driver, utilizing the new lzo library
  • entropy threshold tweaks, /dev/random linked to /dev/urandom
  • github 14-22/07/2013 commits: https://github.com/kumajaya/android_...10.1-blackhawk

12/07/2013 1.4.1 -> 1.5:
  • Decrease CPU voltage for frequencies below 1.2GHz, increase CPU voltage for frequencies above 1.2GHz
  • Re-enable MMC_CAP_ERASE for I/O speed improvement, run "fstrim -v /data" and "fstrim -v /cache" manually to TRIM your filesystem or run LagFix (fstrim GUI, download it from Play)
  • Remove my old hack in cpufreq driver
  • Newer PowerVR SGX540 3D kernel module and vendor binaries, in sync to CM-10.1. You must update both 1st and 2nd ROM to renew both ROM vendor binaries!
  • SuperSU v1.41

16/06/2013 1.4 -> 1.4.1:
  • I/O speed improvement, 1.3 and 1.4 bugfix
  • SuperSU v1.34 - thanks Chainfire
  • nooc: Smartreflex class 3 re-enabled, voltage control disabled

04/06/2013 1.3 -> 1.4:
  • Selected kernel modules, scripts, and binaries integrated in boot.img, single flash for 1st and 2nd ROM
  • Kernel compression back to gzip, boot.img compression switched to lzma for better compression (I need more space)
  • Auto root (for stock)
  • Auto busybox (for stock)
  • External sdcard and internal media swapper script integrated in boot.img (for stock as 1st ROM)
  • Override init.d CPU governor setting on boot completed (technical reason/by design). Please use an app "on boot" or /etc/init.post_boot.sh to set CPU governor
  • init script reworked (again), simplified
  • Standalone nooc version, no longer as an addon for standard NEXT
  • Untested CRT off animation support

NEXT users, please update your kernel to 1.3 version to avoid filesystem corruption risk on Samsung stock/stock based ROM! Please read Dual Boot FAQs how to update your kernel!

01/06/2013 beta -> 1.3:
  • Better data integrity on both 1st and 2nd ROM
  • Ramdisk init scripts reworked, inline with the latest Samsung (Taiwan BRI 04/2013) and CM (29/05/2013 nightly)
  • Inline with P31xx, that's way this port version directly jump to 1.3
  • Updated exFAT modules (don't know it's better or worse, it's closed source)
  • Default CPU clock still 1.008GHz, default GPU clock 307.2MHz. Non OC version as an addon
  • Both version tested on P3100 (remember, I have no access to P51xx device). Booted, upscale graphics, touchscreen not work, wrong orientation sensor, swapped volume button, got 1280x800 screenshots

30/05/2013: Initial beta release.
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30th May 2013, 05:34 PM |#3  
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Dual Boot FAQs

Adapted from droidphile's "Dual Boot FAQs" with permission.

1. "Why would I wanna dual-boot?"
A.
You don't have to.
Suppose you're more of an aosp rom fan. But misses the HDMI out, bluetooth hands-free and love sammy camera more. Do a minimal installation of sammy rom and boot into it when in need of these features and use aosp rom otherwise.
Or you are a sammy rom fan but love the responsiveness and pure android feel of aosp roms.
And while you can dual boot two sammy or two aosp roms, it doesn't make any sense.

2. "What if I don't need dual booting?"
A.
No issues. Kernel won't force to setup 2 roms. You can single boot as before.

3. "Will dual booting change my bootloader or do any dangerous stuff like setting my phone on fire?"
A.
NO. Changes are at kernel and ramfs level only. Some space in your internal sd card is used, and also the unused hidden partition mmcblk0p11 is used to store cache of second rom. Dual booting doesn't repartition the filesystem or perform anything scary.

4. "I want to setup dual booting."
A.
There are four situations:-
1) Sammy rom now. Want to use aosp as secondary.
2) Sammy rom now. Want to use aosp as primary.
3) Aosp rom now. Want to use sammy as secondary.
4) Aosp rom now. Want to use sammy as primary.

Prerequisites for any setup is
a) Flash latest blackhawk's NEXT kernel
b) Flash new ducati vendor blobs (since 1.8.x)
c) Flash latest PhilZ Touch - blackhawk repack version - recovery
d) Atleast 90% battery left.
e) 2 GB free on internal SD.
f) Some spare time

1) Present sammy, setup aosp as secondary:-
i) Reboot into recovery
ii) Flash blackhawk's NEXT tool, create system.img for CM/CM based ROM and then close it
iii) Reboot into secondary recovery
iv) Flash aosp ROM as 2nd ROM
v) Flash blackhawk's NEXT kernel again
vi) Flash new ducati vendor blobs again (since 1.8.x)

2) Present sammy, setup aosp as primary:-
i) Reboot into recovery
ii) Nandroid backup your current sammy ROM
iii) Flash blackhawk's NEXT tool, create system.img for Samsung stock/stock based ROM and then close it
iv) Reboot into secondary recovery
v) Nandroid restore your sammy ROM as 2nd ROM
vi) Flash blackhawk's NEXT kernel again
vii) Flash new ducati vendor blobs again (since 1.8.x)
viii) Reboot into primary recovery
ix) Flash aosp ROM as 1st ROM
x) Flash blackhawk's NEXT kernel again
xi) Flash new ducati vendor blobs again (since 1.8.x)

3) Present aosp, setup sammy as secondary:-
Same as (1), instead of flashing aosp to second, flash sammy to second.

4) Present aosp, setup sammy as primary:-
Same as (2), instead of flashing aosp to first ROM, flash sammy.

NOTE:
-To dual boot Two Aosp or Two Sammy roms, just follow (1) or (2) (depending on which one of them you want as primary/secondary), just flash Sammy instead of aosp or aosp instead of sammy.

5. "What things should I be taking care off while dealing with dual booting?"
A.
- Make sure where you are: in primary or secondary recovery.

6. "How to boot into primary rom?"
A.
AROMA based boot menu will help you on every boot.

7. "How to boot into secondary rom?"
A.
AROMA based boot menu will help you on every boot.

8. "Is kernel partition shared?"
A.
Yes. Same kernel boots both roms.

9. "If I flash another kernel (that doesn't support db) do I lose dual booting?"
A.
Yes

10. "I lost dualbooting after flashing another kernel. I didn't do anything to second rom files in sdcard/.secondrom. How can I get db back?"
A.
Just flash the latest blackhawk's NEXT kernel, flash new ducati vendor blobs again (since 1.8.x)

11. "Will there be any performance degradation on the rom used as secondary compared to primary?"
A.
NO

12. "Will my phone run slow overall because of db?"
A.
NO

13. "How to flash a newer version of 1st rom?"
A.
As usual, just flash it from primary recovery. Flash blackhawk's NEXT kernel again, flash new ducati vendor blobs again (since 1.8.x)

14. "How to flash newer version of 2nd rom?"
A.
Just flash it from secondary recovery. Flash blackhawk's NEXT kernel again, flash new ducati vendor blobs again (since 1.8.x)

15. "Would upgrading 1st or second rom cause other rom to fail on boot?"
A.
No. Partitions of other rom are not touched during upgrading.

16. "I miss the recovery I used before, so much.."
A.
PhilZ Touch not bad at all.

17. "User apps of 1st rom are automatically available for second rom?"
A.
NO. However, if you had backed them up using Titanium Backup or similar apps, just restore apps while on second rom.

18. "I wanna keep separate backup for apps in both the Roms, since I use one Rom for say entertainment and other productivity."
A.
Setup different backup directory in Titanium Backup in 1st and 2nd rom.

19. "I don't see STweaks app in second rom."
A.
This is blackhawk's NEXT dual boot solution for Galaxy Tab 2, a free implementation of gokhanmoral's Siyah dual boot.

20. "Do I need to anything special before flashing a newer blackhawk's NEXT kernel?"
A.
NO. Just flash kernel in primary and secondary recovery. Yes, on both 1st and 2nd ROM. Just flash kernel in recovery - whichever you used to do. Kernel image is copied to the unified kernel partition (since 1.4 version). Flash new ducati vendor blobs (since 1.8.x) on both ROM may be required to ensure vendor blobs match to the kernel

21. "How can I run same STweaks settings of 1st Rom in 2nd Rom?"
A.
This is blackhawk's NEXT dual boot solution for Galaxy Tab 2, a free implementation of gokhanmoral's Siyah dual boot.

22. "How do I remove everything related to DB and run single boot again?"
A.
In primary recovery, flash blackhawk's NEXT tool and delete 2nd ROM system image. OR delete .secondrom directory in /data/media while on 1st Rom.

23. "If secondrom files are kept in /data/media, will wiping data in recovery erase second rom files?"
A.
NO. /data/media is skipped in CWM recovery.

24. "I was using ExFat card on sammy rom without any issues. I have setup dual boot with aosp and now after booting into CM it says microSD card is corrupted."
A.
Aosp roms doesn't support ExFat out of the box. The data was corrupted by aosp vold. Even if you boot back to Sammy rom, it still would be corrupted. To recover data, manually mount the card in recovery, copy contents to internal SD and reformat card to a Fat32.
Also try
chkdsk X: /f (where X is the drive letter of microsd), you may be able to copy data.

25. "I read somewhere that both rom data partition use the same space. Doesn't that mean my apps are shared across roms?"
A.
NO. It just means they uses same partition. They're still different directories.
1st rom data = /data
2nd rom data = /data/media/.secondrom/data

26. "Will hitting "Boot into Secondary Recovery" in recovery boot menu change my recovery?"
A.
NO. It just runs (not flash) an alternate recovery so that you can configure dualboot settings.

27. "How do I backup 1st Rom and 2nd Rom?"
A.
To backup 1st Rom, do what you did to backup rom while you were single booting a while ago.
To backup 2nd Rom, use the secondary recovery.

28. "Is there an easier way for dual-boot?"
A.
Yes, send your device to me.

29. "DB architecture?"
A.
Like you know, every rom has a /data, /system, /cache partition and a kernel to boot.
For primary rom, it's
mmcblk0p10 = /data
mmcblk0p9 = /system
mmcblk0p7 = /cache
And these won't change whether you're single booting or dual booting.

For secondary rom, data and system is stored in internal sd, cache in hidden partition. Note that internal sd in our device is mounted to /data/media.
We have data as a directory, System as an image in data/media/.secondrom. Cache in mmcblk0p11 which is hidden partition and not used otherwise.

- When second rom is booting, second rom data is bind mounted to mmcblk0p10 as /data/
- data/media/.secondrom/system.img partition is mounted as /system.
- mmcblk0p11 is mounted as /cache.

More FAQs will be added and the list will be updated as DB is improved.
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30th May 2013, 05:35 PM |#4  
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Dual Boot Exercises

http://forum.xda-developers.com/show....php?t=2285366 post #4.
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30th May 2013, 05:44 PM |#5  
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Was waiting for this

Sent from my GT-P5110 using XDA Premium HD app
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30th May 2013, 06:26 PM |#6  
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Just opened a new thread for my masterpiece work on Galaxy Tab 2. Enjoy it and don't forget to press my Thanks button or better my DTM button

PhilZ Touch attached in post #1 has a "red" on screen navigation bar in secondary recovery to distinguish between primary and secondary
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30th May 2013, 07:01 PM |#7  
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So this kernel boots 1 ROM over internal storage and second over SD card?

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30th May 2013, 07:12 PM |#8  
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Quote:
Originally Posted by Marionette

So this kernel boots 1 ROM over internal storage and second over SD card?

Sent from my GT-P5110 using XDA Premium HD app

Dual Boot FAQs #29.
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30th May 2013, 07:50 PM |#9  
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Ohhh good news i go to test thanks you rock
With 0.6 i can oc 1.35.
But now i have freez or reboot or black screen
31st May 2013, 01:53 AM |#10  
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Quote:
Originally Posted by brolee93

Ohhh good news i go to test thanks you rock
With 0.6 i can oc 1.35.
But now i have freez or reboot or black screen

Please try increase the CPU voltage by 25mV. In this version, CPU voltage 50mV lower than the previous values. You can use Android Tuner or /system/etc/init.post_boot.sh .
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31st May 2013, 04:30 AM |#11  
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KK, you are a genius! This is working splendidly, I have cyanogen as my primary and blaster as my secondary and they are both workihg smooth for me so far... I have them both running currently at 1200 mhz and seem to be doing fine.. you have really made my day!

Sent from my GT-P5113 using Tapatalk HD
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