Develop Bugs

[Q] PowerManagerService wakelock

I am monitoring my battery through BetterBatteryStatus. I see that the PowerManagerService kernel wakelock is keeping my phone from going to sleep. It keeps the phone on for nearly 120 mins in a day. Any idea of what that could be? I suspect that it is due to the Smart Stay feature of Galaxy S3 and I just disabled it now.

I'm getting this on CM 10.1, so no power stay. Wondering what it is too though.

PowerManagerService is basically a catch-all for partial wakelocks (wakelocks requested by non system apps). To see which apps are actually requesting the wakelocks, go to the Partial Wakelocks screen.

goodtimes50 said:
PowerManagerService is basically a catch-all for partial wakelocks (wakelocks requested by non system apps). To see which apps are actually requesting the wakelocks, go to the Partial Wakelocks screen.
Click to expand...
Click to collapse
Is there any way to drill down this service and detect what exactly is draining the battery?

eboosted said:
Is there any way to drill down this service and detect what exactly is draining the battery?
Click to expand...
Click to collapse
Use Better Battery Stats. instead of looking at the Kernel Wakelocks, switch it to partial wakelocks, and if I understand correctly, the sum of the partial wakelocks is effectively the powermanagementservice wakelock

Just wanted to say that i too had a lot of partial wakelocks draining battery on my SGS3 CM11 (using ART) but I've managed to solve the problem via cleaning the cache in settings->storage. Since then, the CPU is awaken only 19% of time and my batt last 5/6 days with WiFi, Now etc.. (I have a 7000mh zerolemon)
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Caoe said:
Just wanted to say that i too had a lot of partial wakelocks draining battery on my SGS3 CM11 (using ART) but I've managed to solve the problem via cleaning the cache in settings->storage. Since then, the CPU is awaken only 19% of time and my batt last 5/6 days with WiFi, Now etc.. (I have a 7000mh zerolemon)
Click to expand...
Click to collapse
Have you seen any benefits by switching to ART?
If I clean the cache, what will it delete? Will I lose all my App settings and game levels? I have about 54Mb in there.

Aitch said:
Have you seen any benefits by switching to ART?
If I clean the cache, what will it delete? Will I lose all my App settings and game levels? I have about 54Mb in there.
Click to expand...
Click to collapse
Don't worry you won't lose any important data.
Sent from my SAMSUNG-SGH-I747 using Tapatalk

Florad77 said:
Don't worry you won't lose any important data.
Click to expand...
Click to collapse
I just tried clearing and a message came up saying "Security policy restricts clearing of this app's cache."
Is this normal? How can I find out which app is causing the problem?

I have a Samsung galaxy note 2 and every time I lock lock my phone it suddenly turns right back on. It's been happening for two days now. I've tried factory reset and hard reset.. nothing seems to work. Looked at several forums but none seem to help either. Use wake lock app and it says this ..see attachment

Same here with various audio partial wakelocks that add up to 12 days of kernel wakelocks. This started when I upgraded to:
gapps-kk-20140606 & cm-11-20140611-snapshot-m7-snapshot kernel 3.0101-cyanogenmod-g329d6a1 build03 #1
I have gmail sync disabled but contacts sync on. I notice CM have added apollo to the lockscreen so this could be a bug I need to search for

This amount of Power Manager Display and Wakelocks especially are to damn hi, can any1 help me, I'm on HTC10 nougat, Ice, clean slate.

kmry said:
This amount of Power Manager Display and Wakelocks especially are to damn hi, can any1 help me, I'm on HTC10 nougat, Ice, clean slate.
Click to expand...
Click to collapse
@kmry Gave you resolved your battery drain issue?
I'm on HTC 10 and have the same issue with huge amounts of wake locks. The device basically never goes into deep sleep.

Meshok said:
@kmry Gave you resolved your battery drain issue?
I'm on HTC 10 and have the same issue with huge amounts of wake locks. The device basically never goes into deep sleep.
Click to expand...
Click to collapse
I move away from the htc10 years ago And you should

kmry said:
I move away from the htc10 years ago And you should
Click to expand...
Click to collapse
Why should we move away from HTC 10?

Meshok said:
Why should we move away from HTC 10?
Click to expand...
Click to collapse
even tough i still love HTC (had de m7, m8, 10) there are better, cheaper, wonderfull phones on the new and second hand market right now, im on pixel 2 xl, and plan to stand by it till maybe pixel 5 if google decide to get their **** together.

kmry said:
there are better, cheaper, wonderfull phones
Click to expand...
Click to collapse
What do mean by 'better' and 'wonderfull' specifically?

*alarm* / Icing / Net_scheduler wake locks

Anyone know how to fix this? I've been looking for days, cannot find a way to actually stop it, right now it's the only thing keeping my phone awake.

It's driving me crazy!
Sent from my ONEPLUS A3000 using Tapatalk

What browser app are you using???

It is safe to temper this wakelock with Amplify. Therefor, you have to install Xposed. Easy to do and works great for me

NZnewbie said:
What browser app are you using???
Click to expand...
Click to collapse
It happens even with no apps installed.

basvanasperdt said:
It is safe to temper this wakelock with Amplify. Therefor, you have to install Xposed. Easy to do and works great for me
Click to expand...
Click to collapse
I've turned it off now with wakelock blocker in RR, however, googleplay services stayed awake for 4 hours last night even though its set not to, I used to lose 1% at night now 4-6%
I really don't get it.

ritchiedrama said:
I've turned it off now with wakelock blocker in RR, however, googleplay services stayed awake for 4 hours last night even though its set not to, I used to lose 1% at night now 4-6%
I really don't get it.
Click to expand...
Click to collapse
Have you tried DisableService? Very usefull app, you can find it in the PlayStore for free. It simply does what it says, disables services like some of Google Services which keeps your phone awake.

basvanasperdt said:
Have you tried DisableService? Very usefull app, you can find it in the PlayStore for free. It simply does what it says, disables services like some of Google Services which keeps your phone awake.
Click to expand...
Click to collapse
I haven't, that is a last resort I guess.
But they don't seem to stay disabled anyway; it's weird. They are all disabled in RR, etc Privacy Guard, but it isn't working.
Is there any explanation to how a month ago everything was fine, nothings changed, and now it's not fine?

ritchiedrama said:
I haven't, that is a last resort I guess.
But they don't seem to stay disabled anyway; it's weird. They are all disabled in RR, etc Privacy Guard, but it isn't working.
Is there any explanation to how a month ago everything was fine, nothings changed, and now it's not fine?
Click to expand...
Click to collapse
A Google Play Services background update? Usually that is what ****s up a perfectly working setup.

tnsmani said:
A Google Play Services background update? Usually that is what ****s up a perfectly working setup.
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Currently this is my partial wakelocks now any ideas anyone?!
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I've tried clearing cache, data, etc of Google play services AND google store. Re-flashed (Clean) entirely my phone, also internal storage.

I get lots of wakelocks on CM ROMs but with OOS 3.2.7 they are gone..
1h47min awake with almost two days of standby.

1337jay said:
I get lots of wakelocks on CM ROMs but with OOS 3.2.7 they are gone..
1h47min awake with almost two days of standby.
Click to expand...
Click to collapse
I get *net_scheduler* really bad on OOS, all versions. Never used to, though.
What does your partial wakelocks look like?

ritchiedrama said:
I get *net_scheduler* really bad on OOS, all versions. Never used to, though.
What does your partial wakelocks look like?
Click to expand...
Click to collapse
This is taken now..it is a new cycle, not the same as before.
Basically I really like CM but things like this and a few other issues are keeping me away from it. Flashed OOS three days ago and battery life and those tiny bugs that CM has are gone.

1337jay said:
This is taken now..it is a new cycle, not the same as before.
Click to expand...
Click to collapse
Yeah, mine isn't like that, but it used to be.

I managed to resolve this issue by wiping cache/dalvik then wiping data for Google Play Services from the android app settings.

scorpion667 said:
I managed to resolve this issue by wiping cache/dalvik then wiping data for Google Play Services from the android app settings.
Click to expand...
Click to collapse
Wiping cache/dalvik in twrp? and then google play services in settings > apps?
There is no wipe data in there, just cache (on google play services)

Yes wipe cache and dalvik from twrp
Settings/apps/Google play services/storage/manage space/clear all data

scorpion667 said:
Yes wipe cache and dalvik from twrp
Settings/apps/Google play services/storage/manage space/clear all data
Click to expand...
Click to collapse
Okay, I'll try that tomorrow if it doesn't settle down tonight. (trying something else right now, wanna do things one at a time)

Fair enough, let me know if it works for you.
It was a PITA to troubleshoot the issue, I tried removing my Google account, wiping data for play store/Google now, disabling Google Now, disabling location services and after each change reboot and monitor for an hour. The fix I posted was the only thing that made a difference.

scorpion667 said:
Fair enough, let me know if it works for you.
It was a PITA to troubleshoot the issue, I tried removing my Google account, wiping data for play store/Google now, disabling Google Now, disabling location services and after each change reboot and monitor for an hour. The fix I posted was the only thing that made a difference.
Click to expand...
Click to collapse
Doesn't seem to have worked, I tried it :/ but I'll report back in the morning.

App restarts rather than resume [PIE]

Hi, after upgrading to PIE, i get the above problem. Say i'm watching a video on youtube and i got a whatsapp notification and i go in to reply and once i go back to youtube, i find myself at the youtube starting page, not being able to resume it. is anyone having this issue too?

Heimex said:
Hi, after upgrading to PIE, i get the above problem. Say i'm watching a video on youtube and i got a whatsapp notification and i go in to reply and once i go back to youtube, i find myself at the youtube starting page, not being able to resume it. is anyone having this issue too?
Click to expand...
Click to collapse
That's weird ?
I haven't this issue, maybe it's an app which is responsible for that. Go to the developer options and search for "memory" or "Running services". There you will find the apps which are running in the background and it will show you how much memory it need.
If you can't solve your problem a Hard-Reset might work. I think it's a software problem because my phone works very stable with Pie and without such memory problems.

00norman00 said:
That's weird ?
I haven't this issue, maybe it's an app which is responsible for that. Go to the developer options and search for "memory" or "Running services". There you will find the apps which are running in the background and it will show you how much memory it need.
If you can't solve your problem a Hard-Reset might work. I think it's a software problem because my phone works very stable with Pie and without such memory problems.
Click to expand...
Click to collapse
just checked, my avg memory usage is 2.4gb of 3gb. is this normal?

Heimex said:
just checked, my avg memory usage is 2.4gb of 3gb. is this normal?
Click to expand...
Click to collapse
Yes, I think so. My average usage is ~2,2 of 3GB.
Do you have the problem only when you watch a video in YT or in other apps too?

00norman00 said:
Yes, I think so. My average usage is ~2,2 of 3GB.
Do you have the problem only when you watch a video in YT or in other apps too?
Click to expand...
Click to collapse
in other apps too actually. any idea what is causing this?

Heimex said:
in other apps too actually. any idea what is causing this?
Click to expand...
Click to collapse
No..
I think the only possibility is a hard-reset of your phone
Edit: Otherwise you can downgrade to Oreo

00norman00 said:
No..
I think the only possibility is a hard-reset of your phone
Edit: Otherwise you can downgrade to Oreo
Click to expand...
Click to collapse
is a hard reset, a factory reset?
will continue to look for other ways to solve this problem. thanks for your help!

Heimex said:
is a hard reset, a factory reset?
will continue to look for other ways to solve this problem. thanks for your help!
Click to expand...
Click to collapse
Yes it is.
No problem, maybe someone can help you too

Have you checked battery optimize and modify draw over apps etc settings?

I have the same damn problem with multitasking... Tried everything, went through all battery settings, developer's settings and such. Tried every option. Multitasking is simply impossible on Mi A2 Lite (Pie 9.0). Apps turns off instantly after I leave them. Optimization for each app is turned off, Adaptable battery turned off, Battery saver turned off, also. Nothing helps; So sad, and it seems there is no solution for this.

Xiaomi is famous for theirs memory management algorithms. They are too aggressive, leading to premature app killing.

Welicak94 said:
I have the same damn problem with multitasking... Tried everything, went through all battery settings, developer's settings and such. Tried every option. Multitasking is simply impossible on Mi A2 Lite (Pie 9.0). Apps turns off instantly after I leave them. Optimization for each app is turned off, Adaptable battery turned off, Battery saver turned off, also. Nothing helps; So sad, and it seems there is no solution for this.
Click to expand...
Click to collapse
Same device same problem. I didn’t face it after buying the phone but I think after some updates this problem pops up. I will reset my device to see what happens after that.

Dnt keep activities
Should be off..
And this should solve all issues..
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High battery drain with my Mi Mix 3

Hi Guys,
facing a really annoying issue with my battery usage! I have my phone since two days and from the beginning i reconized, that android system use most of the battery what is really strange! Att. some picture where you can see it. I have a SOT of a little bit of 1 h and have already used 43% of the battery. Something is using my power a lot. Some of you guys aware of this issue and has anybody a solution for me!? (MIUI 10.0.11.)
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Reboot system.
O have the same problem and with a reboot the problem disappear.
Enviado do meu Mi MIX 3 através do Tapatalk

I already gave it a try, more than one reboot of the system, but still android system is at the top of the list! Overall my SOT is ridiculous.
No idea what could effect that, when i read that some user has a SOT of around 9h i'm really sad and sure that something is wrong.

SirPhilippF said:
I already gave it a try, more than one reboot of the system, but still android system is at the top of the list! Overall my SOT is ridiculous.
No idea what could effect that, when i read that some user has a SOT of around 9h i'm really sad and sure that something is wrong.
Click to expand...
Click to collapse
Android system is too high, should only be a few percent. Do a format or fastboot a fresh rom

Mackay53 said:
Android system is too high, should only be a few percent. Do a format or fastboot a fresh rom
Click to expand...
Click to collapse
So you mean a factory reset? How do i fastboot a fresh rom and which rom?

SirPhilippF said:
So you mean a factory reset? How do i fastboot a fresh rom and which rom?
Click to expand...
Click to collapse
Yes factory reset. Look in guides section for a guide

Mackay53 said:
Yes factory reset. Look in guides section for a guide
Click to expand...
Click to collapse
Could you please provide me a link

SirPhilippF said:
Could you please provide me a link
Click to expand...
Click to collapse
The time it takes me to find a relevant post and share it you could of searched and found it

SirPhilippF said:
I already gave it a try, more than one reboot of the system, but still android system is at the top of the list! Overall my SOT is ridiculous.
No idea what could effect that, when i read that some user has a SOT of around 9h i'm really sad and sure that something is wrong.
Click to expand...
Click to collapse
I'm not sure what app is causing the issue. I get 9 hours SOT on the EU weekly for 2+ months now. I'd probably get the same results using any version of miui. I use the same apps on all my phone's and always get great battery life.

954wrecker said:
I'm not sure what app is causing the issue. I get 9 hours SOT on the EU weekly for 2+ months now. I'd probably get the same results using any version of miui. I use the same apps on all my phone's and always get great battery life.
Click to expand...
Click to collapse
What versión of TWRP are you using?

I own a Mix 3, DO NOT factory reset. Simply go to Apps, Google Play Service, clear Cache & Data. This will solve the issue. We had a discussion on MIUI forum

I'm having this problem now too since the March update.

launcher
i killed tupac said:
I'm having this problem now too since the March update.
Click to expand...
Click to collapse
are you using any third party launcher? I used Nova and battery was terrible, when I switched back to stock launcher, extensive battery drain dissapear

georgito said:
are you using any third party launcher? I used Nova and battery was terrible, when I switched back to stock launcher, extensive battery drain dissapear
Click to expand...
Click to collapse
Yes I am actually, Nova launcher. Hm. It doesn't show as being a heavy user in the battery section though, did yours?

Not showing nova, but Android services using more then it should.. Had more then 30 %of android service usage and after switching back to miui launcher, have about 10 % max

In my case cleaning google services cache didnt solve the problem. I didnt do factory reset becouse i did it few days ago whe I bought used mix .
What I did was downloading last fw update package from phone settings and updated which means I flashed same rom I had on my mix.
Before CPU usage 100% all the time, now looks much better (see pictures)

There is a bug in the beta builds of MIUI if you are using one of those that causes ALL apps to get autostart permissions. This leads to severe battery drain. Simply going down the list and stripping most of the apps of the autostart permission fixes the problem. This has been reported as a bug to Xiaomi. I also submitted logs and bug report as I found the cause (I think) of the Verizon MMS issues.

PWn3R said:
There is a bug in the beta builds of MIUI if you are using one of those that causes ALL apps to get autostart permissions. This leads to severe battery drain. Simply going down the list and stripping most of the apps of the autostart permission fixes the problem. This has been reported as a bug to Xiaomi. I also submitted logs and bug report as I found the cause (I think) of the Verizon MMS issues.
Click to expand...
Click to collapse
You're right, beta builds for this device are a complete mess regarding battery consumption. Even with autostart option turned off I still have severe battery drain from "google play services".

PWn3R said:
There is a bug in the beta builds of MIUI if you are using one of those that causes ALL apps to get autostart permissions. This leads to severe battery drain. Simply going down the list and stripping most of the apps of the autostart permission fixes the problem. This has been reported as a bug to Xiaomi. I also submitted logs and bug report as I found the cause (I think) of the Verizon MMS issues.
Click to expand...
Click to collapse
Yeah I was about to report the same, just noticed and disabled most of them.

Isopropil said:
Yeah I was about to report the same, just noticed and disabled most of them.
Click to expand...
Click to collapse
IDK but I feel like mi-globe is decent with battery

Android is Starting Screen..again?

My T800 is totally stock. With the V6.01 of Android. Not even rooted. Now all of a sudden, after many years, is see this:
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I know which app is causing it. The questions are:
1) What part of Android does this and can it be disabled?
2) Is this an issue the apps developer needs to address if I can't do #1?
This is the only app I have found that causes this. But I have read about others that can do it but there seems to be no definitive answer to fix it. I tried everything, even a factory reset and each time I install this one app it starts again. I really like the app too.

flhthemi said:
My T800 is totally stock. With the V6.01 of Android. Not even rooted. Now all of a sudden, after many years, is see this:
I know which app is causing it. The questions are:
1) What part of Android does this and can it be disabled?
2) Is this an issue the apps developer needs to address if I can't do #1?
This is the only app I have found that causes this. But I have read about others that can do it but there seems to be no definitive answer to fix it. I tried everything, even a factory reset and each time I install this one app it starts again. I really like the app too.
Click to expand...
Click to collapse
What app is causing the issue?

rsfinsrq said:
What app is causing the issue?
Click to expand...
Click to collapse
This one:
https://play.google.com/store/apps/details?id=xyz.klinker.messenger

flhthemi said:
This one:
https://play.google.com/store/apps/details?id=xyz.klinker.messenger
Click to expand...
Click to collapse
My stock T800 starts that way on rare occasions and have not been able to determine the cause. I've factory reset to no avail. I don't have the app you linked installed so I'm not sure what's causing it. I was hoping I did so at least I'd know. Hopefully someone can chime in and provide some insight.

rsfinsrq said:
My stock T800 starts that way on rare occasions and have not been able to determine the cause. I've factory reset to no avail. I don't have the app you linked installed so I'm not sure what's causing it. I was hoping I did so at least I'd know. Hopefully someone can chime in and provide some insight.
Click to expand...
Click to collapse
Yes it seems, from what i've read all over the internet, it's not one particular app. Just would like to be able to disable the app that is actually causing the trouble. Don't know what it is. Just hope it's not the core android OS.

flhthemi said:
Yes it seems, from what i've read all over the internet, it's not one particular app. Just would like to be able to disable the app that is actually causing the trouble. Don't know what it is. Just hope it's not the core android OS.
Click to expand...
Click to collapse
Android is starting is the behavior after delvic cache is wiped I believe. Perhaps there is an issue with the cache partition or an app is having difficulty writing to the partition. Just guessing at this point.

rsfinsrq said:
Android is starting is the behavior after delvic cache is wiped I believe. Perhaps there is an issue with the cache partition or an app is having difficulty writing to the partition. Just guessing at this point.
Click to expand...
Click to collapse
Best answer I have yet . Which makes me think the developer might be doing something wrong. Yeah, maybe his app doesn't bother 99% of the devices out here but all it takes is 1% to give your app a bad rap.
Especially when someone has paid to support it.

This is the answer I got in email from the developer today..
"Sorry but this really isn't something I can control... Android is in charge of optimizing your apps, if it finds something that it needs to optimize, it will run. How long does it take?
There is nothing that I know of that I can do to change this. It is a system level process. This app optimization process has been around since Android 5.0, when Google changed to the ART runtime."
So I guess that's that...I was hoping he would give me a clue as to what android app is actually doing the work....maybe I could disable it.