Terrible, terrible battery life. (CM7/Faux123 Kernel). - Atrix 4G Q&A, Help & Troubleshooting

So I took the plunge and unlocked my bootloader, and flashed the latest weekly of CM7. I love it so far, very responsive and quick.
I decided to flash the latest Faux123 kernel (CM7 Unified). After getting great quadrant scores, I was happy. I have a custom kernel on my Transformer TF-101 as well.
Here's my issue:
I get about 3 hours of battery life.
I clocked the kernel to max at 1.2ghz, and I even scaled the governor to powersave. (Using Rom Toolbox, min/max in SetCPU).
I have not undervolted anything at all.
My phone idle seems to shoot up to 40-50% most of the time, and SetCPU says that my phone spends most of it's time at 1ghz+. My TF would pretty much fall asleep at 216mhz, but that's a different device.
Is there something I'm missing?
This was a clean flash, and I always have plenty of free ram. I don't seem to have any wakelocks longer than 10 mins (alarm manager) either.
Oh, and my battery has been properly calibrated.
The stock kernel gave me great life (30+ hours). I expected a little loss, but not this bad after flashing.
Help!

Try a newer kernel. Governors don't work properly with our tegras. A newer kernel should have that disabled and more power save options.
Sent from my MB860 using XDA

What kernel do you suggest? Ive been out of the atrix scene for a good bit now lol.

My issues with battery life disappeared after installing jokersax's cm9 beta along with faux's kernel for cm9
Also be sure your battery isnt old and calibrate it(guides on main atrix forum)

Can I use a cm9 kernel on cm7? I don't really want to take the ICS route until it's developed a bit more.
My battery has been properly calibrated, though it still doesn't always hit 100%. I have no idea why either.

silentecho13 said:
Can I use a cm9 kernel on cm7? I don't really want to take the ICS route until it's developed a bit more.
My battery has been properly calibrated, though it still doesn't always hit 100%. I have no idea why either.
Click to expand...
Click to collapse
I woldnt try that.. About cm9, even though its beta, its pretty usable right now, most stuff works fine, you can always go back id it doesnt work.. I didnt went back bcuz battery is most important for me

Hmm, what about kholk or clemsyn's kernels?

silentecho13 said:
What kernel do you suggest? Ive been out of the atrix scene for a good bit now lol.
Click to expand...
Click to collapse
I've stuck with fauxs. I think I'm using version 23. I'm not using the lastest one as it makes one of my apps buggy and I don't like how my CPU jumps around when idle. He is currently working on those bugs, but they are hard to correct. Lots of other people are using it though with good results. I also stay with the 1.0ghz versions. Overclocks are nice but I don't need them and perfer the extra battery life.
Sent from my MB860 using XDA

So after a night's recharge, it seems to be working a little better.
CPU Spy says that it's in deep sleep most of the time.
Turns out I had SetCPU, Rom Toolbox, and CM7's settings regulating the clock speed. I uninstalled SetCPU, turned off Rom Toolbox, and let CM7 take care of it.
Life isn't as great as I expected, but its an improvement. The processor still does "jump around", but I expect that to be fixed at some point.
I considered clemsyn's kernel, but I don't want to risk not having an "elite tegra" and blow up my phone.

I really like the .24 1.3ghz Faux kernel. With SetCpu I change between 1.2OC (using lapdock) and 1.1OC (rest of time).
Battery life is equivalent to stock kernel. (I put it on charge when I go to bed and take it off early in the am). It usually has 50% left after streaming music to and from work/Endomondo using gps to track 45 minute workout, all my widgets (news and weather) and a few phone calls.
Phone stays much cooler.
Quadrant standard vs my wife's Atrix (fully stock) with the kernel at 1.1 is 30% better.
Stock ROM; not CM7 however.

I just looked at a days logs. It says that my phone spends 3+ hours in both 1.2ghz and 800mhz, and about 9 hours in deep sleep.
I haven't used my phone much today (40m of display time), and it already got to 15% between 9am and 6pm.
I can't seem to find what's keeping it up either, no obscene wakelocks.

Related

terrible battery life!

Hi all, I'm new to this part of the xda forums as I had a nexus before, just got the upgrade to the Atrix, rooting,unlocking of bootloader everything went well but I just flashed Aura's from with feux kernel and im getting really really bad battery life, like I'm talking 4-5 hours. There is one process thats really confusing me, its just called "x" and its sitting there taking about 35% battery, my screen is taking 55% battery.
It's getting really annoying as my nexus used to give me about 12 hours and the only reason I moved to the atrix was to get the better battery life that I saw with all my atrix touting friends (they all had 1-2 days battery life) I'm about to flash homebase and see if that fixes it but I don't know whats going on. I have a UK MB860 and I used http://forum.xda-developers.com/showthread.php?t=1196747&highlight=t-mobile+root to root. Pleaseee can someone help!
X is the webtop and there is a fix somewhere for that (doesn't completely work). Just flash CM7 beta. Its much better than any other ROM and has the best battery life. Everything except the finger print scanner and webtop work.
Also I had really good battery on the Ying Yang ROM.
Speedily sent from CM7 Beta
I think I might give CM7 a go you know, I loved CM on the nexus, even after it killed the memory chips it was still good! Im going to try it, is it really stable?
EDIT:
since updating to CM7 and Wiping my battery stats I have some how gained 39% battery!
amzter said:
I think I might give CM7 a go you know, I loved CM on the nexus, even after it killed the memory chips it was still good! Im going to try it, is it really stable?
EDIT:
since updating to CM7 and Wiping my battery stats I have some how gained 39% battery!
Click to expand...
Click to collapse
I haven't had any issues with it. And the gain is very odd.
Speedily sent from CM7 Beta
Try alien, i had some battery issues with some other roms and kernels and tried alien and all is good.This phone comes with an 1930Mah battery one of the largest i've ever seen and it lasts me 12 hrs on heavy use.
battery stats
I've had great battery life on the atrix, now I'm getting a good look at the atrix on the 4800mah battery. I'm a heavy user and I could not get over 24 hours. And now I have 59 hours and I have yet to actually see how far I can take it. Cm7 beta. Juicey....
I find that all gingerbread roms have horrible battery life compared to froyo on the atrix. Cm7 battery is worse but the phone is smoother. Faux 1.3ghz kernel has even worse battery.
Regardless of the radio or magical method of resetting the battery state you use.
1:25 screen time and at 47% battery. Been off the charger for 6:15. It will make it through my 10hr shift with about 20% remaining if I'm lucky, usually I just toss it on the charger.
Background data is off, email and social apps are manual sync and wifi is off.
Sent from my MB860 using XDA Premium App
one weird thing I am seeing is the display which is at 0% brightness is using 91% battery
Also the better battery stats app says my actual battery is 91% but the phone is reporting 66% I wiped thenbattery stats but nothing!
please help!
If you haven't taken a look at it, give this a shot:
http://forum.xda-developers.com/showthread.php?t=1198333
Starting to mess around with your phone opens up a world of things that can go wrong. Learn to calm down, search the forums, and try a variety of fixes before giving up on something.
...and use nandroid.
ian426 said:
If you haven't taken a look at it, give this a shot:
http://forum.xda-developers.com/showthread.php?t=1198333
Starting to mess around with your phone opens up a world of things that can go wrong. Learn to calm down, search the forums, and try a variety of fixes before giving up on something.
...and use nandroid.
Click to expand...
Click to collapse
I was just about to post that lol. Also make sure every time you flash a new rom you are at 100% if not that is a sure fire way to cheat yourself out of battery life. I don't know if I'm just one of "the lucky ones" but I easily get over 16+ hours with moderate usage. I'm running CM7 beta with quite a few things frozen.
Ok so I followed the guide to perfection and it didn't improve the battery life one bit! I'm trying hard to find a t-mobile radio I can flash as I have read around it could be my radio that is the culprit and I am also getting rubbish HSDPA readings, I should be getting full bars but since switching to homebase Im only getting one bar.
Using watchdog I have noticed that the Xorg process is using over 50% cpu which does not seem right to be and I believe that because its a linux process Watchdog can't kill it. Is there anyway of fixing this?
1) Uninstall Tango, Facebook and Handcent SMS if any of the three are installed. They are huge battery drainers and you can find less battery hogging substitutes
2) Freeze any unnecessary apps, I believe there is a thread somewhere in the General section that has a pretty decent freeze list (if you flash CM7, you will have very little to freeze but that's good!)
3) Keep brightness down to a minimum when you can, I've noticed kicking the brightness up rather high can be pretty demanding on your battery
4) Set SetCPU Profiles to something like this...
Screen Off 216/216
Charging 1100/216
In Call 456/216
Battery <20% 456/216
Battery <10% 216/216
5) If you have the proper kernel set the CPU govner to power saver.
6) Undervolt, test yours and never apply set on boot unless you are positive it's stable, mine are something like this...
1100 MHz -50mV
1000 MHz -50mV
912 MHz -50mV
750 MHz -50mV
608 MHz -100mV
456 MHz -150mV
216 MHz -200mV
This way when you're phone is idling with the screen off, in a call or low on battery it is undervolting heavily to save maximum amounts of battery
With this setup I can get 30+ hours pretty regularly with moderate-to-heavy usage (weekdays/non-work days), 22-25 hours with more heavy usage (work days) and close to 48 hours with little usage (weekends).
It all depends on your usage and your phone but I have found this setup here to work fairly well.
I am currently on CM7 Beta, stock CM7 radio and stock CM7 kernel, running at 1100/216 when above profile conditions aren't met. 32% been running since 9 am this morning, it is now 3:15 am, today was a long workday.
I can almost guarantee (almost) that its your rom/kernel combination. Had same problem til I changed.
Sent from my MB860 using XDA Premium App
fastboot erase osh
That will nuke your webtop & fix your problem.
I'm now using faux kernel for CM7 and that hasn't improved anything, in fact I think it it has made it worse. It's getting really irretating because using the watch dog app it always says there is one linux process on every rom I use that is clocking at over 50% cpu usage and It won't let me kill it (probably because it's a linux process), its really annoying me because all I want is my phone to work properly but to enjoy the full rooting experience. I know countless amounts of people with atrix's and they get a full day and a bit out of their phone with heavy usage i can't even manage 10 hours!
amzter said:
I'm now using faux kernel for CM7 and that hasn't improved anything, in fact I think it it has made it worse. It's getting really irretating because using the watch dog app it always says there is one linux process on every rom I use that is clocking at over 50% cpu usage and It won't let me kill it (probably because it's a linux process), its really annoying me because all I want is my phone to work properly but to enjoy the full rooting experience. I know countless amounts of people with atrix's and they get a full day and a bit out of their phone with heavy usage i can't even manage 10 hours!
Click to expand...
Click to collapse
Watchdog eats battery like a mthrfckr, get away from that. Install BetterBatterStats instead & look for wakelocks. Which linux process are you noticing with that high cpu usage?
How many hours of screen time do you get in those 10 hrs?
Have you tried with a fastboot wipe & internal storage format prior to installing a new rom? Are you using the latest recommended radio for your phone?
amzter said:
please help!
Click to expand...
Click to collapse
Turn background syncing off if you are using that, and get in the habit of doing manual updates.
Too many times (with ANY Android device) people leave background syncing on and it tries sending/receiving data in a weak signal spot when you don't realize it. That's like a hot knife through butter on a battery.
Leave syncing off permanently if possible! That's a huge improvement right there for anyone...
Sent from my GT-I9000 using xda premium
ccrows said:
Turn background syncing off if you are using that, and get in the habit of doing manual updates.
Too many times (with ANY Android device) people leave background syncing on and it tries sending/receiving data in a weak signal spot when you don't realize it. That's like a hot knife through butter on a battery.
Leave syncing off permanently if possible! That's a huge improvement right there for anyone...
Sent from my GT-I9000 using xda premium
Click to expand...
Click to collapse
That's a bit radical, no?
I'd say use Green Power so the phone can update every half hour or hour. It's a smartphone at the end of the day..

[Q] Battery issue

So, over the past few days I've been noticing a few problems with my phone, all of which have to do with the battery. After installing fauxes OC 1.3ghz kernel I noticed a drop in usages before the phone died, that's a given. So i flashed his enhanced 1ghz kernel instead, but still notice bad battery drops when im using it. It doesn't drop 40% over night or anything, only about 6%. But, if i turn the phone off and back on the % jumps up. Sometimes 20%. Is there anything wrong with the battery, or the phone?
Try calibrating the battery.
i haven't doe that since my first phone. How would i go about doing that.
chaous2000 said:
i haven't doe that since my first phone. How would i go about doing that.
Click to expand...
Click to collapse
http://forum.xda-developers.com/showthread.php?t=1198333&highlight=BATTERY+CALIBRATION
Also, with faux's kernels check your CPU clocking with setCPU, or something similar. Somtimes it will lock at the max clock speed which will contribute to quick battery drain. I'm on his stock enhanced and getting close to 2 days with moderate use.
How do you get two days of battery?! Thar's intense! I haven't been able to get past the 15 or 16 hours with the stock kernel, neither with faux's stock enhanced! Do you usually drop your cpu speed while it's in your pocket or something? Or do I have a bad battery? Because I've been really concerned about this battery not lasting the monster time it is supposed to last...
ghost_og said:
http://forum.xda-developers.com/showthread.php?t=1198333&highlight=BATTERY+CALIBRATION
Also, with faux's kernels check your CPU clocking with setCPU, or something similar. Somtimes it will lock at the max clock speed which will contribute to quick battery drain. I'm on his stock enhanced and getting close to 2 days with moderate use.
Click to expand...
Click to collapse
Sent from my MB860 using XDA App
jeffmena93 said:
How do you get two days of battery?! Thar's intense! I haven't been able to get past the 15 or 16 hours with the stock kernel, neither with faux's stock enhanced! Do you usually drop your cpu speed while it's in your pocket or something? Or do I have a bad battery? Because I've been really concerned about this battery not lasting the monster time it is supposed to last...
Click to expand...
Click to collapse
I have uv and profiles set up in setCPU. I'm actually a little amazed by how good it's been since re-installing all of my mods (went back to stock recovery due to some issues).
If you're experience battery jumps then install the fix noted in the calibration instructions. Most likely you're battery isn't charging to full capacity, so that coupled with the improperly reported stats make it seem much worse than it is. The process is a bit time consuming, but it did work for me.
Little confused with my battery and SetCPU sitll
ghost_og said:
I have uv and profiles set up in setCPU. I'm actually a little amazed by how good it's been since re-installing all of my mods (went back to stock recovery due to some issues).
If you're experience battery jumps then install the fix noted in the calibration instructions. Most likely you're battery isn't charging to full capacity, so that coupled with the improperly reported stats make it seem much worse than it is. The process is a bit time consuming, but it did work for me.
Click to expand...
Click to collapse
Well I have Alien #4 custom rom and it actually has the battery fix so it shows the 1% increase/decrease and I recently did a battery calibration by waiting til it got to 100% with an app that deletes the battery stats as if you would do with recovery mode. I also have CWM recovery and everything doing fine there, my kernel is now Faux's 1.3GHz but limited with SetCPU to 1GHz, and I don't know if it'll get me a better battery life just that kernel. What do you mean by uv? And I have profiles set for when the screen is off and when its charging but nothing else apart from the 1GHz setting. Is it normal that I only have 2 scaling options? Powersave and performace?
Thank you. I will be trying this tomorrow when I have the huge amount of time needed to complete this. And uv means under volt.
Sent from my atrix using xda
Thanks to you! I really appreciate it. I will be waiting for your response and maybe you could tell me if it lasts longer with the 1.3GHz ir the 1GHz. Thanks!!
chaous2000 said:
Thank you. I will be trying this tomorrow when I have the huge amount of time needed to complete this. And uv means under volt.
Sent from my atrix using xda
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Click to collapse
Sent from my MB860 using XDA App

[Q] Drain when Screen On

I have (finally) just made the jump to CM7 and have been absolutely loving it (MAJOR props to the Devs for it).
Anyways, one thing I have noticed is that the battery drain when the screen is on 'feels' like it is faster than it used to be on deblurred roms.
I am running Faux's 1.3 ghz overclock kernel (.2.1) and have it moderately undervolted (as I am still getting a feel for undervolting in CM7).
On my previous rom, Alen v4, I was running the same version of Faux's kernel (obviously not the cm-specific one), and was undervolting as well (though to a lesser degree, as it seems that CM7 is better for undervolting). I never timed the drain on this rom, but I could have sworn that I got an hour of screen time for every 10-12% of the battery.
Anyways, the battery seems to be draining at about 1% for every 3-4 minutes (average time over a 10% period was 3 minutes, 40 seconds per percent) of screen-on time when I am only using it lightly (I was reading the news and browsing Facebook a bit during this time).
My drain when idle seems very reasonable.
Does this seem abnormal, or am I just being overly paranoid about battery life?
In practice, I think this is still going to be fine, as I never have the screen on for more than two or three hours in any given day...I am just curious as to how the drain I am experiencing relates to anyone else's.
Thanks!
(and yes, my battery is fairly well calibrated. Was 'fully charged' this morning at 99% at 4169 mv...not perfect, but still solid).
Edit: And yes, I know I am breaking xploited's fifth rule of battery life...
The only thing I can think of is that you are overclocked all the time.. or have something running in the back ground all the time.
Sent from my MB860 using xda premium

Is it just me, or does dsc have really crappy battery life?

When I was on 2.4.4, my battery lasted all day, no problem... But with dsc, it shuts off after about 14 hours... Without really doing anything... 50, maybe 100 texts, and occasionally checking fb. Should I reset the batterystat?
Don't get me wrong, it's better than 2.4.4, in every other way. But it drains battery like no ones business. I also always have it underclocked. So, the default overclock is not the issue.
Yes, it is you, check the back ground apps running, for me DSC has the best battery life after 360 .
No its not just him. I got pathetic battery life with DSC on pheonix kernel. I swapped it with olleh 407 and now battery lasts 2 days.
Sent from my Dell Streak using Tapatalk
The dsc has a problem with goggle maps running in the background. Try freezing gmapps and see if that helps.
Well, I've noticed that the scaling in setcpu kind of suck... I realized what was wrong. I accidentally had my min set for 768 >.> Conservative doesn't jump up fast enough to meet needs, and ondemand jumps up too much, draining the battery, lol... What happened to smartass/smartass v2?

What are you doing for better battery life?

I was wondering what roms can you all suggest for increased battery life as well as apps. I tried juice defender as it takes way too long to start wifi and 4g at times and I tried dx battery defender that almost does nothing for me.
I used to use Juice Defender, but at least since the Gingerbread update it seems to make things worse. I don't use any battery saver apps now (I tried 2X Battery too and it seemed to make it worse as well). I'm still on the stock rom (GB), and I can easily get 24+ hours on a full charge with minimal usage. I only have a time & weather widget, and have disabled synching on everything but my calendar and weather. I should also note that I have the Rezound battery as well, but even on the stock TB battery it seemed pretty good.
If you are rooted:
Install an AOSP rom (Liquid 3.2 is what I like)
Install IMO's latest kernel
Run speedtweak.sh
Choose the battery saving option.
Underclock to 768
If you are not a gamer there will be almost no performance problems and you will double your battery time.
If not rooted:
Give $ to VZW for an extended battery.
I get 14 hours on infected eternity, oc'd, stock battey, gps an wifi always on, with moderate use. Sirius xm 2+ hours a day, lots of text an internet. Use stock kernel ot comes with
Sent from my ADR6400L using XDA App
johny101010 said:
If you are rooted:
Install an AOSP rom (Liquid 3.2 is what I like)
Install IMO's latest kernel
Run speedtweak.sh
Choose the battery saving option.
Underclock to 768
If you are not a gamer there will be almost no performance problems and you will double your battery time.
If not rooted:
Give $ to VZW for an extended battery.
Click to expand...
Click to collapse
i run this also, works very well. i dont use my phone for games so its great.
I recently took it a step further. I downloaded incredicontrol for free from the market and further undervolted. The best numbers for me are:
245 MHz at 775
368 MHz at 875
768 MHz at 925
This gets me about 24 hrs with moderate use.
Remember those voltages are good for me but if they fry your phone grandma and couch it is not my fault.
johny101010 said:
If you are rooted:
Install an AOSP rom (Liquid 3.2 is what I like)
Install IMO's latest kernel
Run speedtweak.sh
Choose the battery saving option.
Underclock to 768
If you are not a gamer there will be almost no performance problems and you will double your battery time.
Click to expand...
Click to collapse
Thank you!
I also use tasker. Wonderful tool if you are willing to put the time in to learn how to use it and set up profiles. I have my phone set up to turn wifi on every half hour and keep it on if a connection is made and to shut it down if none is made and try again in a half hour. Saves on battery not running wifi when none is available.
Sent from my ADR6400L using Tapatalk

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