[KERNEL][WIP] Underworld Sense Kernel v0.8 [Jul 16 2012][GINGERBREAD][SENSE]

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ca1ne

Retired Recognized Developer
Apr 16, 2011
802
1,385
East Coast
Well I've tried unplugging it and rebooting it several times SBC still won't stick. Also I've read that guide and have already done a completely clean install prior to flashing the rom.

Did SBC ever work for you on aosp?





Do we have to use terminal to toggle sound boost? Or is there another way?

Thanks,
Charles

Sent from my PC36100 using xda premium

chad produced a widget you can purchase that allows you to change it eight on your home screen. The option is also in incredicontrol app, but I get force closes when trying to use it, though the widget should work.
 
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mrflex

Member
Jan 2, 2008
36
8
Love this kernel with Karma's V5 going to run it with V6 final as soon as its up.
 
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jrollercoasters

Senior Member
Oct 4, 2011
1,728
365
hey just wanted to let every one know theres an app thatll turn fast charge and audio boost on/off also it has an undervolting part that works just as good as viper mod but it actually sticks! :D "incrediControl"
 
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semperfidoordie

Senior Member
Jan 4, 2012
105
18
29 Palms, CA
www.twitter.com
Only issue I see with it at the moment is that when my screen is off and nothing is happening my screen will randomly come on to the lock screen and just stay on (imagining that will be a battery killer) didn't have any issues of the sort with V5
 

Grizraz

Senior Member
Apr 11, 2011
116
20
Purchased an hdmi adapter for hdmi mirroring. Flashed the latest Underworld (v0.6) and plugged the EVO OG into television and wham! Homescreen on TV. Granted, the resolution could be a bit better. Running the latest MikG3.1 ROM. Originally tried mirroring with whatever kernel I had currently on phone and hdmwin apk from the Market, couldn't get it to work. Didnt even need the app once Underworld was flashed. Thank you. Anyone know how to get better resolution though?
 

Steven 1

Senior Member
Apr 29, 2011
485
95
Huntington beach
Using stock 1500 battery. Overclocked 1.03ghz I believe. Smartsss v2 classic .09 by tommy tomato. Not my best battery life but extremely acceptable to me


Sent from my PC36100 using xda premium
 

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JaiCameron

Senior Member
Jul 18, 2010
127
21
Did SBC ever work for you on aosp?

I've never flashed an aosp rom before I've always stayed with sense. I remember net's sbc kernels working for me back when I was using Myn's warm 2.2.

A couple months back when I was using Synergy I flashed one of net's sbc kernels and sbc was still working for me, couldn't use the camera or youtube app tho. I don't think sbc has ever worked on my phone since then.
 

ca1ne

Retired Recognized Developer
Apr 16, 2011
802
1,385
East Coast
I've never flashed an aosp rom before I've always stayed with sense. I remember net's sbc kernels working for me back when I was using Myn's warm 2.2.

A couple months back when I was using Synergy I flashed one of net's sbc kernels and sbc was still working for me, couldn't use the camera or youtube app tho. I don't think sbc has ever worked on my phone since then.

Hate to ask this then, but I have to try to account for everything.. In the about phone does it display sbc in the kernel name?
 
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ca1ne

Retired Recognized Developer
Apr 16, 2011
802
1,385
East Coast
Purchased an hdmi adapter for hdmi mirroring. Flashed the latest Underworld (v0.6) and plugged the EVO OG into television and wham! Homescreen on TV. Granted, the resolution could be a bit better. Running the latest MikG3.1 ROM. Originally tried mirroring with whatever kernel I had currently on phone and hdmwin apk from the Market, couldn't get it to work. Didnt even need the app once Underworld was flashed. Thank you. Anyone know how to get better resolution though?

Is what you are displaying high definition.. I know I can see a difference between a high def and non, but I don't have a 70 inch screen or anything like that, so I don't know if there its pixelation on large screens.
 

ca1ne

Retired Recognized Developer
Apr 16, 2011
802
1,385
East Coast
Yep it currently says

2.6.35.14-Underworld-v0.6-SBC+
ca1ne@layer11 #52
Tue May 8 22:04:57 EDT 2012

Are you running any variety saver apps, waiting for the phone to boot completely before plugging it in? Do you have Wimax on? Are you using the phone whole plugged in it have apps running like exchange, Facebook... I'm just trying to figure out what is triggering it to discharge... Oh, next question, us your battery temp high? Or not dropping in temp as the trickle kicks in?
 

JaiCameron

Senior Member
Jul 18, 2010
127
21
Are you running any variety saver apps, waiting for the phone to boot completely before plugging it in? Do you have Wimax on? Are you using the phone whole plugged in it have apps running like exchange, Facebook... I'm just trying to figure out what is triggering it to discharge... Oh, next question, us your battery temp high? Or not dropping in temp as the trickle kicks in?

Nope no saver apps and no my Wimax isn't on. Yea I check the phone every now and then while plugged in during the day to check Engadget, Youtube and XDA but not at night. The usual apps that run in the background are the facebook for HTC sense widget, 2 of my google accounts and weather. Also the temp seems to be consistent of around 33.0 degrees Celsius.
 

Grizraz

Senior Member
Apr 11, 2011
116
20
Is what you are displaying high definition.. I know I can see a difference between a high def and non, but I don't have a 70 inch screen or anything like that, so I don't know if there its pixelation on large screens.

Even the homescreen is lacking in color and resolution when mirrored to my HDTV (supports up to 1080p). Sharp 46 inch 1080p LCD. Should come up just fine.
 

heckyhec5881

Senior Member
Sep 1, 2010
72
14
North Port FL
I can say that i have been mirroring for.months on various kernels with the ability to to do so. I have a 57" HDTV and there always has been some pixelation. Colors vary between screens also, go to Walmart and look at their TV's in electronics, they're all playing the same thing but they all have their own warmth as far as colors go. It could also depend on your video source. When I use HBO Go there is some distortion but.only during really fast action packed scenes, MLB At Bat (go Yankees!) Has some terrible looking pixelation most of the time when mirroring. I know teamwin intended on doing something about it, which I think all they were trying to do is allow the user to adjust the aspect ratio to allow for clearing viewing although in a smaller viewing area like the app they had for Froyo but they never really finished that after the kernel source code for their HDMI mirror went around to all the other kernels. It could have a lot to do with the hardware capacity of your device and even how much you got running in the devices background. Ca1ne this is an awesome kernel, you did a great job, all works well for me here!

Side note.

You will never get 1080p mirroring from most devices, I think even the newer dual and quad core phones with a gig of RAM only mirror 720 and that's built in.......

Edit
Try playing with the aspect of your screen and see if you could get some better results from it

Sent from my PC36100 using Tapatalk 2
 
Last edited:
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Grizraz

Senior Member
Apr 11, 2011
116
20
I can say that i have been mirroring for.months on various kernels with the ability to to do so. I have a 57" HDTV and there always has been some pixelation. Colors vary between screens also, go to Walmart and look at their TV's in electronics, they're all playing the same thing but they all have their own warmth as far as colors go. It could also depend on your video source. When I use HBO Go there is some distortion but.only during really fast action packed scenes, MLB At Bat (go Yankees!) Has some terrible looking pixelation most of the time when mirroring. I know teamwin intended on doing something about it, which I think all they were trying to do is allow the user to adjust the aspect ratio to allow for clearing viewing although in a smaller viewing area like the app they had for Froyo but they never really finished that after the kernel source code for their HDMI mirror went around to all the other kernels. It could have a lot to do with the hardware capacity of your device and even how much you got running in the devices background. Ca1ne this is an awesome kernel, you did a great job, all works well for me here!

Side note.

You will never get 1080p mirroring from most devices, I think even the newer dual and quad core phones with a gig of RAM only mirror 720 and that's built in.......

Edit
Try playing with the aspect of your screen and see if you could get some better results from it

Sent from my PC36100 using Tapatalk 2

I'm only after the designated 720p that we are capable of achieving. The mirrored homescreen appears to be 8bit color depth. Hmmm The homescreen alone should appear full color depth rather 8bit in appearence.
 

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    Underworld Sense Kernel

    This is a little something I have been working on. Thank you to those who tested under the "saturday morning" thread. Hopefully I will be able to continue to improve this kernel and add in additional modifications as time goes on.

    And please remember this is a work in progress, so please let me know your results.

    What's in this Kernel

    Features

    Stock Kernel 2.6.35.10
    Patched to 2.6.35.14
    Enabled Wireless N
    Perflock Disabled
    HDMI Fix
    GPS Fix
    3 Point Touch Check
    10 Point Touch
    Audio Boosted with On/Off Toggle (default setting is on)
    Fast USB Charge with On/Off Toggle (default setting is off)
    Reduced Wifi Voltage (battery savings)
    Read Ahead Buffer Upped to 1024kb
    O/C to 1.229Ghz
    HAVS with Sysfs
    Undervolted to LEE Kernel Settings (tiamat)
    Compiler Optimizations
    Superior Battery Charging (SBC)
    Boosted Audio More
    Extend Wifi Range
    Removed CIQ (Please note - you may encounter problems if you rom has ciq in it)
    Flashlight Cutoff Reduced to 10% from 15%
    Increased GPU Memory Allocation
    CIFS (compiled as module)
    TUNS (compiled as module)
    Front Facing Camera Fix (for inverted) (should work on all gingerbread sense)
    Swap Enabled
    Fixed Hotspot for some users
    2 Way Call Record
    Memory/Scheduler tweaks
    RCU Tweaks
    LZMA Compression
    Removed Some Debug Code
    Enabled EXT4 Support (applied performance patch)
    Add ZRAM (Lzo_compress/decompress) as modules)
    Add HTC Kineto_gan support for wifi calling
    Reduce vfs_cache_pressure from 70 to 50
    Wifi is PM_FAST in standby
    Increased Min Voltages from 925 to 950

    Governors

    SmartassV2 (set as default)
    InteractiveX
    Intellidemand
    OndemandX
    Smartass
    Conservative
    Ondemand
    Userspace
    Performance
    Interactive

    Schedulers

    SIO (set as default)
    NOOP
    Deadline
    CFQ
    v(R)
    BFQ

    Instructions

    Apply with your preferred custom recovery.

    For Kernel Install
    Make sure to wipe Dalvik Cache and Cache.

    For SBC
    And make sure the phone is fully booted before plugging it in.

    For HAVS with sysfs interface
    You will be able to use Vipermod to change the voltages. To be able to save changes you will need a rom with init.d support baked in. The kernel has already been undervolted, but since everyone results vary depending on their devices, this interface will allow you to drop it lower, just like you have been able to in the AOSP roms.

    For Audio Boost to turn on and off
    Code:
    Audio Boost On
    echo 1 > /sys/kernel/audio_boost/aboost
    Audio Boost Off
    echo 0 > /sys/kernel/audio_boost/aboost
    Query Audio Boost Status
    cat /sys/kernel/audio_boost/aboost
    For USB Fast Charge to turn on and off
    The below code will toggle it in the terminal, but a cool way to turn it on and off would be to support the original dev who put this mod together, chad0989 by purchasing his widget that controls this version of usb fast charge as well as the patch version. LINK TO WIDGET
    Code:
    USB Fast Charge On
    echo 1 > /sys/kernel/fast_charge/fast_charge_usb
    USB Fast Charge Off
    echo 0 > /sys/kernel/fast_charge/fast_charge_usb
    Query USB Fast Charge Status
    cat /sys/kernel/fast_charge/fast_charge_usb
    Thanks to Capt_Throwback for finding out a reason for some of the lag complaints. It appears that the Vipermod script installs an older copy of busybox onto the phone. I have attached a copy of the vipermod install script that does not install any busybox.

    Credits

    I am grateful to all, from the developers, to the end users who
    provide the feedback and use what is created.

    More specifically (in alphabetical order) I would like to credit
    the following developers for their work.

    atyoung
    barnacles10
    cayniarb
    chad0989
    detcup4evr
    drellisdee
    faux123
    lithid
    ms79723
    netarchy
    paulmck
    TeamWin
    tiny4579
    toastcfh
    ziggy471

    Also I would like to thank 2 alpha testers who kept me going

    swagstr
    tommytomatoe

    Also I would like to thank the man who tested the front facing camera fix

    buckhunter (tested all 4 options I wanted to check) and is now almost constantly testing whatever insane thing I ask him to flash and test, lol
    sclarktay4

    And a special thanks to the following donators who gave me some diaper money for the son.

    eggsack
    Wisiwyg

    Disclaimer

    As with all things, not every variant can be accounted for. Please use at your own risk. I am not responsible for any damages/bricks/etc that may accompany use of this kernel.

    Bug Reporting

    Post a reply in this thread or pm me, and I will do my best to assist and/or correct bugs.

    Update History

    v0.8
    Enable ext4 support
    Ext4 performance patch
    Add zram (lzo_compress/decompress) as external modules
    Add HTC kineto_gan support for WiFi calling
    Reduce vfs_cache_pressure from 70 to 50
    Wifi is PM_FAST in standby
    Increase min voltages to 950 to make more universal
    Upgrade bfq to BFQ-v3r1
    Modified several of the governors
    Added no Havs versions

    v0.7
    RCU Tweaks
    rcu: repair code-duplication FIXMEs
    rcu: combine duplicate code, courtesy of CONFIG_PREEMPT_RCU
    rcu: apply TINY_PREEMPT_RCU read-side speedup to TREE_PREEMPT_RCU
    rcu: fix sparse errors in rcutorture.c
    rcu: Add tracing data to support queueing models

    use lzma instead of gzip
    removed some debugging code to clean things up

    v0.6
    Tiny_Preempt_Rcu Added (smaller footprint)
    Changed Audio boost to on/off toggle
    USB Fast Charge and on/off toggle
    Patched up to 2.6.35.14
    Tweaked SIO/VR/Deadline Schedulers
    2 Way Call Record Added per Request
    Memory/Tweaks:
    Reduce vfs_cache_pressure from 100 to 70
    SLQB Memory allocator added
    Tweak io schedulers for flash devices (deadline,sio,vr)
    Ashmem: fix deadlock when system is low on memory
    Interactive/InteractiveX fix possible divide by 0
    Some memory copy macros and functions
    Add 10 microsec delay before fetching setup_data (usb)
    Fix scaling_available_frequencies sysfs


    v0.5
    BFQ Scheduler Added
    OndemandX Governor Added
    Swap Enabled
    Fixed Hotspot for some users

    v0.4
    Fixed the front facing camera with kernel modfications

    v0.3
    Removed CIQ
    Extended Wifi Range
    Flashlight cutoff reduced to 10%
    Increased GPU memory allocation
    CIFS (compiled as module)
    TUNS (compiled as module)
    Tweaked Smartassv2
    Fixed SIO to be default scheduler (again, lol)
    Added Interactive Governor

    v0.2 - Initial Release

    v0.1 - Test Release.


    Links

    Underworld v08 HAVS, No SBC
    Underworld v08 No HAVS, No SBC
    Underworld v08 No HAVS, SBC
    Underworld v08 HAVS, No SBC


    Github
    19
    Updated OP to v08.

    Please note specifically the addition of EXT4. if you use a2sd you can type: a2sd check
    in the terminal app, and if it says EXT4 yes, then your rom and kernel now can run EXT4.

    I have also compiled some No HAVS versions for those who have difficulty running underworld
    please try these out, their voltages can not be modified, hopefully this will allow others who have
    been running classic/nitrous due to their phone's restrictions to have some fun on underworld.
    Please let me know how this version runs for you, thanks.
    18
    I think I found a flaw in many of the implementations of init.d support in sense roms..

    It almost appears that init.d only runs on first boot and then is disabled..

    Example. If I format all partitions except sdcard, flash a fresh ROM, flash my test kernel that includes a script, then boot, the script makes the changes.. If I then make changes in the script and reboot, I get no further changes..

    Example 2. I format all partitions except sdcard, flash a fresh ROM, do a first time boot, go back to recovery, flash test kernel with the script, upon next boot, no modifications are made.

    When I get time I'm going to play with the ram disk of a ROM, repackage it with the setup I found in CM7, and see if it works... If it does then we have a solution to get rid of needing to use script manager and other apks.

    though if that is true, would need the ROM devs to update their roms... Though I could make some boot.imgs for popular roms...

    So I am excited to see if this theory works..especially since the test kernel has a configurable file that let's you turn on and off audio boost, usb fast charge, governor, scheduler, etc
    18
    Updated to v0.3

    I was trying to figure out how to get the front facing camera to work before releasing, but i haven't cracked it yet, and with the updated source up to possibly a month or so out I figured I should update what I have done already... please let me know if smartassv2 behaves better now


    list of changes.

    Removed CIQ
    Extended Wifi Range
    Flashlight cutoff reduced to 10%
    Increased GPU memory allocation
    CIFS (compiled as module)
    TUNS (compiled as module)
    Tweaked Smartassv2
    Fixed SIO to be default scheduler (again, lol)
    Added Interactive Governor
    16
    Lets use this post finally

    Tips and Tricks

    1. If you are usinig V6 SuperCharger with kernel I/O tweaks. Please uninstall the I/O Scheduler tweak. Failure to do so may casue random reboots. (Thanks Kelldane)
    2. Please navigate to the system/etc folder and scroll down until you find the init.post_boot.sh file and either delete it or move it to a safe place on your sd card. More Info (Thanks Leeboy)
    3. When using smurf, do not use the battery saving settings for Smartass V2 otherwise in most cases it will generate lag on that governor. If you open the 45smurf file in etc/init.d and remove the section with the governer tweaks the lag will go away after reboot. (Thanks Pennie77)
    4. Ensure that your busybox binary is up to date. (Thanks Capt_Throwback)

    Undervolting

    havs kernel has an upper and lower range, while the normal kernel has a static range.. i pulled from my source code the havs voltages and commented after the line the original voltage.

    { 19200, 950, 950 }, // orig voltage 1050
    { 128000, 950, 975 }, // orig voltage 1050
    { 245000, 950, 975 }, // orig voltage 1050
    { 384000, 950, 975 }, // orig voltage 1050
    { 422400, 950, 975 }, // orig voltage 1050
    { 460800, 950, 975 }, // orig voltage 1050
    { 499200, 950, 1000 }, // orig voltage 1075
    { 537600, 950, 1025 }, // orig voltage 1100
    { 576000, 950, 1050 }, // orig voltage 1100
    { 614400, 950, 1075 }, // orig voltage 1125
    { 652800, 950, 1100 }, // orig voltage 1150
    { 691200, 975, 1125 }, // orig voltage 1175
    { 729600, 975, 1150 }, // orig voltage 1200
    { 768000, 975, 1175 }, // orig voltage 1200
    { 806400, 1150, 1200 }, // orig voltage 1225
    { 844800, 1175, 1225 }, // orig voltage 1250
    { 883200, 1200, 1250 }, // orig voltage 1275
    { 921600, 1200, 1275 }, // orig voltage 1300
    { 960000, 1225, 1275 }, // orig voltage 1300
    { 998400, 1225, 1275 }, // orig voltage 1300

    { 1036800, 1275, VOLTAGE_MAX }, //overclocked cpu no orig voltage
    { 1075200, 1275, VOLTAGE_MAX }, //overclocked cpu no orig voltage
    { 1113600, 1275, VOLTAGE_MAX }, //overclocked cpu no orig voltage
    { 1152000, 1300, VOLTAGE_MAX }, //overclocked cpu no orig voltage
    { 1190400, 1325, VOLTAGE_MAX }, //overclocked cpu no orig voltage
    { 1228800, 1350, VOLTAGE_MAX }, //overclocked cpu no orig voltage