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[KERNEL][ARC/ARC S] StockPlus v1.9 [2012-02-23]

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By adrianom, Senior Member on 7th January 2012, 04:22 AM
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18th March 2012, 06:57 PM |#141  
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Hmm i have a problem on superuser on my rom using v 1.9

Sent from my LT18i using XDA App
18th March 2012, 08:58 PM |#142  
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Originally Posted by TheHaso

Is this kernel battery friendly for the stock .62 FW ??

From my sexy LT15i

Try it. Every phone acts differently.

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2nd April 2012, 05:02 AM |#143  
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Can stock rom build .69 uses this kernel?
2nd April 2012, 06:06 AM |#144  
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Originally Posted by boy_ice1987

Can stock rom build .69 uses this kernel?

Yes, it work on every GB Stock ROM.
2nd April 2012, 06:33 AM |#145  
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Call recording patch !
Originally Posted by adrianom

Hello everybody,

Based on the kernel from DooMLoRD and FXP and wanting to make a more clean kernel in relations to Stock Kernel and add some personal changes, I make my own kernel that I am posting below.

He is based on 4.0.2.A.0.61_62 source kernel, and adding the follow changes:


  • New Governor Option:
    • SmartAssV2
    • Smartass
    • Smoothass
    • BrazilianWax
    • Interactive
    • Savaged-Zen
    • Scary
  • I/O Schedulers:
    • Noop (default)
    • Anticipatory
    • Deadline
    • CFQ
  • Overclock option to 1.9 Ghz
  • Enabled SWAP support
  • Enable some file systems:
    • EXT2
    • EXT3
    • EXT4
    • NTFS (Read & Write)
    • CIFS
  • DoomKernel Ramdisk:
  • Default Sony Xperia boot logo.
Have the same features that v1.0, only bug fix on compiler configuration.
Improve battery life
Change Sony source code base, now base on 4.0.2.A.0.61_62 source
Great improve of battery life by disable NETWORK_FILESYSTEMS (CIFS and NFS)
Enable CPU undervolting options (the kernel frequencies is not undervolted, but you can undervolt (recommend using IncrediControl)
WiFi undervolting
  • Disable duplicate voltage scaling frequency, for better manager of cpu frequency and better battery life.
  • From FreeXperia: salvage some more ram by removing unused pmem_adsp_cache
  • From FreeXperia: salvage some more ram by removing unused pmem_audio
  • Disable verbose procfs contents
  • Adding scripts for better battery life and overall performance:
    • Internet speed tweaks
    • Misc kernel tweaks
    • Battery tweaks
    • Journali smoff
    • Defrag DB
    • Loopy smoothness
    • Sick
    • Zipalign
    • Zipalign Defrag DB
  • Change sched_latency_ns to 600000
  • Change sched_wakeup_granularity_ns 400000
  • WiFi Power Management Tweak
  • Increase CPU voltage of some frequency for better stability
  • CPF Frequency Tweaks and Enable CPU AVS (Adaptive Voltage Scaling)
  • Revert: change sched_latency_ns to 600000
  • Revert: change sched_wakeup_granularity_ns 400000
  • Enable EXT3 and EXT4 Posix ACL and XATTR
  • Disable YAFFS ECC Check
  • Enable YAFFS empty lost and found folder at mount
  • Disable YAFFS block refreshing
  • Change pll2_fixup onverclock control
  • New compiled WiFi modules
  • WiFi modules included in Ramdisk

In general this version is for improve the battery life and resolve the problems of WiFi don't work because of user using not default WiFi modules (DoomKernel Modules)

Ps. For user with WiFi don't work just restart twice.
  • Enable 1200Mhz frequency
  • Add CM torch interface (base on Blendkernel v02 from Jason Stain)
  • Use disable_irq_nosync() from within irq handlers (base on Blendkernel v02 from Jason Stain)
  • Prepare I/O context code for BFQ
  • Custom tweaks in kernel config
  • Revert change in acceleration sensor support. Fix acceleration sensor error.
  • Upgrade busybox to fix the execution of user script (init.d).
  • Remove some scripts that were causing problems.
The instalation is the same from other kernel:

fastboot flash boot boot.img
PS.: for CPU undervolting I recomend using IncrediControl (

I want to warn that THIS IS A TEST KERNEL, so he may have some bug.


Adriano Martins
Source at

And while you're at it, why not add the two-way call recording patch ?!
2nd April 2012, 06:51 AM |#146  
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Originally Posted by pulz

And while you're at it, why not add the two-way call recording patch ?!

It is a nice feature, but I'm no longer maintaining this kernel because I'm not using the Stock GB anymore.
9th April 2012, 10:52 AM |#147  
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I want to try this kernel(with arconium), but that overclock thing scares me, I dont think that my arc s need an overclock...
Theres non-overclock version kernel?
Can I use it with stock rom?

My phone still with stock .42 and locked bootloader(I know I must unlock it first)
Will you recommend to use this kernel now or better wait until you release the final version?

Sorry for being a noob xD
2nd May 2012, 01:22 PM |#148  
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4th May 2012, 02:53 AM |#149  
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I like this kernel, as it is the smoothest kernel! It would be great if "2 way call recording" function could be added into this kernel (just like doomkernel)
6th May 2012, 10:31 AM |#150  
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v1.9 kernel bootlooping for me with .42 stock rom and 8.2 arconium too

UPDATE: sorry this was my fault and the 42 FTF file was wrong, install .62 global FTF with THIS working! Sorry bro

UPDATE2: with 8.2 arconium working not, bootloop!
31st May 2012, 08:38 AM |#151  
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Hi guys,

Can i flash this KERNEL while being ROOTed and with LOCKED boot-loader ?
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kernel, overclock, smartassv2, xperia, xperia arc

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