Sorry guys if this is a bumped thread.. Couldn't find one that helped me at all.
Alright, I would like to know, What is a kernal. Ive flashed almost every rom possible but i havn't done anything with kernals.
Thanks
-Austin
I've heard it stated as "a bridge between hardware and software." They control your processor speed for certain circumstances (screen off) and what voltage your processor gets at certain speeds. It can also come with different things like audio boost and enhanced multitouch capabilities (3+ finger input). Just remember to flash a sense kernel if you're on a sense or senseless ROM, or an aosp kernel for an aosp ROM. I always wipe dalvik cache and cache partition before installing a kernel, just to make sure theres going to be no problems.
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So what your saying is , different kernals do different things twords performance ? And what is cm 7 rc2?
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Fergusonfox7 said:
So what your saying is , different kernals do different things twords performance ? And what is cm 7 rc2?
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Correct, there are some overclocked kernels and some that are stock speeds, plus all of the different tweaks that can be applied. And CM7 RC2 is a ROM. CyanogenMod (ROM name) 7 (version) RC2 (release candidate). Its a pretty popular ROM.
Sent from my Droid Incredible running CM7 RC2.
Lmao no man, im running cm7, love it to death. What is CM7, aosp ? I know its senseless.
So not to jack your thread but its highly related to the question I've been asking today. I understand the description of a kernel above but then what would be the main differences between the kernel and the Rom of a device? Are kernels simply used to modify aspects of the phone such as processor speeds or do they also have something to do with the UI?
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I dont think they have any effect on the UI
So besides just processor speed,what else could a different kernel affect?
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CM7 is AOSP.
Kernels don't affect the UI, they control processor speed mainly, but they can also come with patches that boost audio levels and enable fast charging or trickle-charge (SBC [when you charge your phone normally, it gets to 100% then stops charging regardless of being plugged in and runs off of the battery power til about 90% ish resulting in the infamous dropping 10% battery in like 5 minutes scenario. This mod enables the phone to drop its charging current once it hits 100% instead of turning off completely, maintaining the battery at 100%.]). Pretty nifty stuff
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So the name of that mod is sbc?
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elixir911911 said:
So the name of that mod is sbc?
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Yep.
Sent from my Droid Incredible running CM7 RC2.
Then what would be the best kernel to use with cm7 ?
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Fergusonfox7 said:
Then what would be the best kernel to use with cm7 ?
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I'm not exactly sure about the BEST, cause different things happen to people when using the same kernel, but I've been using chads incredikernel from 3/18/11. No problems with it so far.
Sent from my Droid Incredible running CM7 RC2.
I heard that kernel had smartsss governor ? What's that do .
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Yep, it does. I'm not too familiar with what it does, but I've heard it basically favors lower CPU speeds, saving you some extra battery life. I've yet to notice any lag or slowness from running that governor. I get pretty good battery life with this kernel too, so I figured I'd stick with it.
Sent from my Droid Incredible running CM7 RC2.
Were can i find a downlaod of the most recent download?
http://forum.xda-developers.com/showthread.php?t=848453
Sent from my Droid Incredible running CM7 RC2.
wow hey, Thanks man
No problem at all
Sent from my Droid Incredible running CM7 RC2.
Would calling a phone a car chassis, a ROM the motor and a kernal the driver be a good analogy?
Related
Which ROM is the best ROM for the Evo4G? The most famous ROMs that I always read about is Cyanogen and MIUI?
which has a better battery life?
I'm using cm7 and thimat kernal not bad so far
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Try them both...
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In my experience MIUI and CM are on similar footing when it comes to battery; it could go either way since they are both pretty similar (MIUI is based off of CM).
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Omgadroid said:
I'm using cm7 and thimat kernal not bad so far
I usually never get good battery life but got over a day on this.
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World peace with no regard for human life.
If you like Sense, I recommend the MikG 2.45 rom. You can then experiment with the new Freedom kernels (currently at version 0.8, with varying versions (stock, less, more, aggressive) which have different degrees of undervolting built in for improved battery life.
I went ahead and tried CM7 on the EVO 4G and it works flawlessly.
I'm sure I can save more battery life if I use SetCpu profiles? Is it o.k. to use setCPU profiles with the kernel that comes with CM7? Or is there a better kernel to use?
Also, i prefer SetCPU profiles because I can use the screen-off profile to underclock and save battery when my phone is not in use.
Miui is not based off of cyanogenmod. Miui is better anyway. IMO that is.
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I love sense 3.0 Roms and you should definitely try one of kings Roms and any other out there. Anyways, if you like aosp then you should def try decks. Great on battery and works flawlessly. His Rom also has the cyanogen settings to overclock and go into detail with your phone
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I have to say Decks ROM is the best I've used. Its very stable and smooth as silk. Using the SavagedZen with BFS Kernel got me excellent battery life...
So far its out of Kinged kingdom or Kings Alliance. My kid sat on my phone and played gun bros for about 4 hours yesterday around midday 10ish - 2 o'clock and the battery still had a little juice left(had not been charged since like 7am). Alliance is a little better to me only cuz it has the hacked hotspot(no error 67).
The Baked Snack ROMs are renowned for battery life.
ens04 said:
I went ahead and tried CM7 on the EVO 4G and it works flawlessly.
I'm sure I can save more battery life if I use SetCpu profiles? Is it o.k. to use setCPU profiles with the kernel that comes with CM7? Or is there a better kernel to use?
Also, i prefer SetCPU profiles because I can use the screen-off profile to underclock and save battery when my phone is not in use.
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Tiamat 3.3.7
World peace with no regard for human life.
Been rocking sense lately but nothing beats decks + savagedzen + vipermod + supercharger v6 for battery life and performance.
Edit: ......in my opinion
could you tell me where you download these from?
including the SavagedZen with BFS Kernel ?
thank you
ericbryce said:
Miui is not based off of cyanogenmod. Miui is better anyway. IMO that is.
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Miui syncs up with the cyanogenmod tree quite frequently actually. While its not based off of cm their vendor trees are.
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So ive been reading up on this for awhile and i cant find a solid answer or opinion but i want basically a fast rom and better battery life than what im getting off my cm7 rom my sav-zen kernal uv 50mv any suggestions oh and more bars wouldnt be to much to ask for right lol
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wileout said:
So ive been reading up on this for awhile and i cant find a solid answer or opinion but i want basically a fast rom and better battery life than what im getting off my cm7 rom my sav-zen kernal uv 50mv any suggestions oh and more bars wouldnt be to much to ask for right lol
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How do you have yours set up? I have CM7 with Savaged Zen and it runs faster than any other ROM/kernel combo I've tried.
Im not running setcpu so its not overclocked or underclocked
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Im not saying its slow im more looking for better signal and a sense like feel from an aosp
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wileout said:
Im not saying its slow im more looking for better signal and a sense like feel from an aosp
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Good luck with that kind of find...
If you're looking for a sense-like feel, why not just go with a sense ROM? I personally use Synergy ROM and everything works super fast, no issues, and service seems to be better than when I had CM7 on it. That and sense ROMs also make full use of the phone's hardware, such as the camera...
The support and extras are a pretty sweet deal, as well.
-EDIT-
Link! http://forum.xda-developers.com/showthread.php?t=1144447
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Signal strength is not universal. You can have the same signal strength on your phone but it will display as a different number of bars based purely on your ROM. CM seems to be one of those ROMs where I have a really good signal yet I'm only showing about 2 or 3 bars. Its just the way the ROM displays it. Flashing another ROM and getting more bars doesnt mean your signal strength is any stronger or weaker at all.
Also, if you're looking for a sense feel then just get a sense ROM. There are a lot out there to choose from. I'm actually thinking of running Boot Manager on my phone and flashing a sense ROM alongside CM7 so that I can make use of the abilities of the sense ROMs when I need to.
I switch between Fresh 4.22 and CM7 pretty regularly and love battery life/performance of both. I use Tiamats 4.1 SBC on CM7 and the stock kernel on Fresh, although it would be choice if there were a Sense SBC kernel.
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Any chance u got the link for that frsh 4.22?
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I keep coming back to Mik's roms. On MikG now and love it. Battery life is great too but then I use all the app tricks I can find. App2SD / DroidWall / SetCPU / StartUp Auditor. If your signal strength is bad just call Sprint and ask for an Airvanna. Once it's hooked up you should be up to 4/5 bars constantly. That's been my experience.
Have you tried team nocturnals merge Rom its sense based with an soap feel its pretty nice if you are trying to have your cake and eat it too
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evo hacks
check out evohacks.com they will give u ideas.
Do u have the link for the merge rom or can u point me in the direction of where to find it?
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wileout said:
Do u have the link for the merge rom or can u point me in the direction of where to find it?
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http://tinyurl.com/3b6btf4
Fresh Rom 4.22
http://forum.xda-developers.com/showthread.php?t=1046622
I cannot run a undervolted kernel on my evo for some reason, it doesn't play nice. I liked tiamat on my previous evo, was the only one I ran. while I have tiamat running i have about a minute before it reboots. My question is can I use vipermod to restore voltages to stock/stable. If so what voltage should I enable. I'm useing an extended battery 3500, if that makes a difference. Also if that's not possible what kernel do u recommended I flash to get better battery life?
Edit: trying savage 221
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What ROM/kernel combo do you have? how are you flashing them? Are you making sure to pair sense kernels with sense ROMs and AOSP kernels with AOSP ROMs?
I've been sticking with stock Wich is cyan, On miui. I did some home work and it looks like salvage has stock volts by default. Lol yes I'm keeping aosp kernels on aosp roms
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stinky_pinky said:
I've been sticking with stock Wich is cyan, On miui. I did some home work and it looks like salvage has stock volts by default. Lol yes I'm keeping aosp kernels on aosp roms
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Sorry, it may sound like a retarded question for me to ask. But you'd be surprised at how many people are running sense and flash an AOSP kernel, or vice versa. It's always nice to get the obvious issues out of the way in order to focus on what the real cause is.
MIUI is one of the ROMs I've never really used. Make sure your battery is calibrated. That should help a bit with battery life. I'm using Savaged Zen on mine with CM7 and it works amazingly well. As far as the undervolting issue.....I am not too sure as to what is causing that.
What method do you use to calibrate. I've never done that. All I've ever done is wipe battery stats
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Charge battery to 100%, enter recovery, wipe battery stats, let phone COMPLETELY discharge (till it turns off), then recharge to 100% again and use normally.
Cool thanks
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I've recently come back to a sense based ROM from CM7 using a tiamat sbc kernel. are there any sbc (trickle charging) kernels available for sense ROMs?
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gnarlynick said:
I've recently come back to a sense based ROM from CM7 using a tiamat sbc kernel. are there any sbc (trickle charging) kernels available for sense ROMs?
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No there isn't for gingerbread roms. But there is sbc kernels for froyo roms
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I just flashed lithids aggressive freedom kernel, is there a more battery efficient kernel out there? this one undervolts
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gnarlynick said:
I just flashed lithids aggressive freedom kernel, is there a more battery efficient kernel out there? this one undervolts
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Every phone is different for example on aggressive freedom my phone hates it the battery just drops tremendously but on less freedom it doesnt. The kernel im using that i love right now is the anthrax kernel
evo4gnoob said:
Every phone is different for example on aggressive freedom my phone hates it the battery just drops tremendously but on less freedom it doesnt. The kernel im using that i love right now is the anthrax kernel
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ya I just unplugged mine at 90% charge a minute ago, now am at 83%. I'm going to check out anthrax.
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what features and benefits are expected with anthrax?
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im already liking the battery life on anthrax. strange thing tho, flashing it doesn't update my kernel info in the settings menu. it shows the last used kernel.
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evo4gnoob said:
Every phone is different for example on aggressive freedom my phone hates it the battery just drops tremendously but on less freedom it doesnt. The kernel im using that i love right now is the anthrax kernel
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+1 This dude ^ knows his stuff, I've learned a ton from reading his posts. (thank you, evo4gnoob!) I'm running Anthrax also and it rules. It's the best kernel 'nikita' (my EVO) has ever known...
ellenpea said:
+1 This dude ^ knows his stuff, I've learned a ton from reading his posts. (thank you, evo4gnoob!) I'm running Anthrax also and it rules. It's the best kernel 'nikita' (my EVO) has ever known...
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agreed. battery life on this kernel is noticeably better. I just read a post that the kernel is gone now due to some cease and desist letters from beats and qualcomm? crazy
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Definitly Antrax, have used a few kernels. My phone acts the same as evo4gnoobs on those kernels.chopsuey kernel was just behind antrax though.
anthrax is the ****. best battery life I've seen on sense and with my beats headphones it sounds amazing. I used to think beats headphones were overrated cuz i didnt notice a difference when using them on my phone from skullcandys, now i hear it.
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Recently started using sense again and wondering what some good sense kernels are I have the anthrax kernel downloaded ot before it was taken down but when I flash it my phone freezes at the splash screen any suggestions are greatly appreciated
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bigjack216 said:
Recently started using sense again and wondering what some good sense kernels are I have the anthrax kernel downloaded ot before it was taken down but when I flash it my phone freezes at the splash screen any suggestions are greatly appreciated
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Reason it freezes is because you need a hboot higher then eng .076
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Well just checked my phone and after a fresh install it says its running anthrax already
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I just started using Anthrax so I can't really speak for it. My go to kernel is the Evo 4g Freedom-v0.9. I would link it... but XDA doesn't trust me yet . You can search the EVO forum or find it in the stickied Detailed ROM Wiki.
I second Freedom.
Freedom v9 is an amazing kernel, i am using the Energy rom, which comes with chopsuey baked in. I recently switched to the anthrax v004 kernel, and my rom is much snappier, and the my battery life almost doubled! my vote is for anthrax!
Im running anthrax with SET CPU set to 245/1036 and screen off profile 245/245 and interactiveX. Been off the charger since 8AM and am at 70% left. considering 10% is wasted when you take it off the charger right away, this isnt too bad...
Anthrax totally!
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I have anthrax on my SD card but when I flash it my phone freezes after I reboot
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Bump
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MikRom thread - Anthrax kernel
This thread (http://forum.xda-developers.com/showthread.php?t=1038967&page=1613)
will NOT let me reply due to lack of number of posts (very frustrating, but a bit understandable) but I was inquiring about the Anthrax kernel. I'm currently running More Freedom v0.9, and it's slowed down or become sluggish lately. I'm running MikG v2.5.
My two questions are:
will this Anthrax kernel help?
If so, does it also have Bluetooth HID capability? I have a new keyboard and finding a driver for Android is about impossible.
AND, I guess a third. Assuming it helps, how can I get it or where I can download?
Please apprise me if possible!
Thanks!
I think this may have something to do with your h boot. Scope out caulkins thread on radios, wimax, etc. Hope this helps
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aheeejd said:
I think this may have something to do with your h boot. Scope out caulkins thread on radios, wimax, etc. Hope this helps
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Thanks. However, I should have noted that this ran pretty well for a while. I've ordered new batteries that are on the way, thinking that the battery might be the culprit. It seems to wane quickly nowadays.
I did not want to leave my phone with the Sprint tech for 1.5 hours to pore through my phone while he did a diagnostics test. I just didn't feel comfortable doing that. He'd assuredly come back and tell me the phone was rooted, blah blah blah, warranty voided, nothing he could do and that's the reason it was sluggish.
After I moved to this it worked really well for about 3-4 months. The last two months it runs out of memory and the battery fades quickly. The only thing I can really point to perhaps is Tweetcaster. Seems to be a big drain on everything and there's no clean exit command for it, unlike other apps, so it runs all the friggin' time if you instantiate it.
As for Anthrax kernels, I've heard some people recommend "test 9".
Do most of you here recommend that as well?
I really need someone to pm me the anthrax kernel.
The test 9 version works amazing on my phone. I'm running mikg*3. 0
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Recently started using sense again and wondering what some good sense kernels are I have the anthrax kernel downloaded ot before it was taken down but when I flash it my phone freezes at the splash screen any suggestions are greatly appreciated
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What rom are you on?
bigjack216 said:
Recently started using sense again and wondering what some good sense kernels are I have the anthrax kernel downloaded ot before it was taken down but when I flash it my phone freezes at the splash screen any suggestions are greatly appreciated
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Before flashing the anthrax kernel you should wipe dalvik-cache, flash kernel, wipe dalvik-cache again, reboot, let phone sit 10 minutes, and then reboot again. Search xda for the kernel install information to make sure that you are installing it correctly. It's the best for my evo thus far and I have had no problems. It's baked into the shooter E3D rom. Try it, you won't be disappointed.