Nexus Rebooting? - Nexus 7 (2013) General

Hi all,
I am currently on Cleanrom 1.3 with faux kernel. No overclock. Today I took my nexus off the charger and it rebooted itself. I understand that using custom kernel and rom will cause some instability but I've heard that the newest nexus 7 does have random reboots stock. I am still under return period, and I am just wondering if anyone else had experienced this and will you keep this knowing it might be a software issue.
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b00st4ddicted said:
Hi all,
I am currently on Cleanrom 1.3 with faux kernel. No overclock. Today I took my nexus off the charger and it rebooted itself. I understand that using custom kernel and rom will cause some instability but I've heard that the newest nexus 7 does have random reboots stock. I am still under return period, and I am just wondering if anyone else had experienced this and will you keep this knowing it might be a software issue.
Sent from my Nexus 7 using xda app-developers app
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Click to collapse
I am on stock.
I had a reboot problem with mine. It showed about %50 battery life when it would first startup, then suddenly it would reboot, and continue the boot loop. I reset/clear cache and it would still happen. Then I fully charged the battery then it worked again. I exchanged it because I don't want to deal with the hassle and did not find anyone else with this problem. Only had 2 more days to return it, so I went for it.
I think the problem I actually had was the battery, it was reporting to the device that it was about 50% when it probably had none. I kept wondering why after so long of heavy usage the battery wasn't ran down already. Since you just took it off the charger, I don't know about your case.
Hopefully I won't see the problem with the exchanged one. I say, if you suspect a hardware issue, replace it. If it is a software issue, maybe they will fix it with an update. Good luck.

Mine reboots allot on stock, very annoying!
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Related

Nexus 4 rebooting constantly...

Just received Nexus 4 from US friends to here in India. I am getting constant reboots. They are very very frequent. Like once in every 10 minutes. Generally occurring when I make calls and into it 10 seconds. Seems like its hot reboot.
I received it in Android 4.2, which I immediately updated to 4.2.1, so I have no experience if it had the issue in 4.2.
I tried the following:
1) Factory Reset
2) Putting it back to Android 4.2
3) The latest nightly build of CM 10.1
The issue existed everywhere. I also have logcat constantly recorded before the reboots. Here is one of the instants:
http://pastebin.com/4JPW20xu
Any suggestions or advice? As of now I am planning to send it back to US for getting it replaced. But I want to try every possible solution in case it is a software issue..
Thanks in advance
Flash a custom kernel such as Franco. Kernel is what throttles your phone in temperatures etc.
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Lemme try that, though CM 10.1 build kernel had the same issues.
Tried franco kernel. Still the same issue is there.
CPU Spy is not showing more times at higher frequency. Is temperature throttle possible?
zephiK said:
Flash a custom kernel such as Franco. Kernel is what throttles your phone in temperatures etc.
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Click to collapse
I doubt these are thermal reboots.. It is probably something wrong internally that is causing it. Bad eMMC maybe?
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joshnichols189 said:
I doubt these are thermal reboots.. It is probably something wrong internally that is causing it. Bad eMMC maybe?
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Click to collapse
So good thing will be to get it replaced I guess..
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Still Constantly rebooting....

I've been having random reboots ever since.....well, a long time ago. No matter what ROM, kernel, or android version, it still persists. It happens at least 5 times a day. Sometimes 10. It even does it when I have zero downloaded apps.
Now that I'm done complaining, I'd like some help solving this formidable problem. Has anyone experienced the same thing? What can I do to stop it? Etc.
This is with an 8gb WiFi.
Thanks
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After a reboot, you can know what cause this reboot with "last_kmsg" log. Look here for how to get it : https://code.google.com/p/tegraowners-ics-rom/wiki/How_to_get_logs
OK I did that. I scrolled through the unending file and at the bottom it said, "no errors found". Does this mean it doesn't know what caused the reboot, or did I miss something?
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My nexus 7 rebooted while typing out this reply....so frustrating that this just happens out of nowhere. At least five times a day for me too.
Can't be the rom...I've been on pa 3.0 for a while and it was stable before. I don't think it's the kernel because I've flashed the top 3 kernels and it fixes nothing.
I am thinking it's a rogue app because my nexus is also draining battery very quickly and something is causing non stop wake locks and keeping my device from sleeping. Now I have to hunt down this app out of my 100+ apps
Android can be very frustrating at times
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happyjack96 said:
I've been having random reboots ever since.....well, a long time ago. No matter what ROM, kernel, or android version, it still persists. It happens at least 5 times a day. Sometimes 10. It even does it when I have zero downloaded apps.
Now that I'm done complaining, I'd like some help solving this formidable problem. Has anyone experienced the same thing? What can I do to stop it? Etc.
This is with an 8gb WiFi.
Thanks
Sent from my Nexus 7 using xda app-developers app
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Click to collapse
Revert to pure stock and if the problem persists assume that you have a hardware defect. Hardware defects are not curable with software - they are cured by replacement of the hardware. ( BTW, If you ran your device for significant lengths of time at extreme OC levels, you might have caused the damage; but that is for you to decide)
Mine has rebooted once in three months - but I could reproduce the crash ( using Chrome Beta on a specific WebGL demo ). That is very different than a spontaneous crash though, so I guess I could say it has *never* happened to me - and I have used the tab extensively every day for those three months.

Random shutdown of my phone?

I've noticed now more than a few times my phone was off when I thought it was asleep. I'm running stock 4.2.2 unrooted. Basically I put my phone down and when I come down to it the only way I can wake it up is to hold the power button. What bug is this
? I haven't ran anything odd ? And I notice my battery gets cut by a good chunk . is this something I should get it exchanged at at the store? I just got this phone less than 2 weeks ago? I'm planning on going today but wanted your guys input before i go?
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I am having the same problem, i have had my nexus 4 for about 6 months now. Last week it started shutting down and restarting randomly.
The battery dies when it reaches 20%, today it dropped from 54% to 6% after it restarted alone and lost my wallpaper.
If u find a solution let me know.
thats called "sod" sleep of death. its not actually powered off, its on but the screen doesnt wake. thats why you need to longpress the power button to reboot. it was aajor issue on the gnex until 4.2 came out. now its rare, but still happens. on the n4 too. its an android bug that was "fixed" for most.
how can we solve it?
google needs to fix it.
some people use this app as a temporary fix https://play.google.com/store/apps/details?id=com.gejos.android.wakemyandroid
thx u, i will give it a try.
So there's no point exchanging for another at the store?
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Ended up exchanging at T-Mobile store as this happened again. Sorry about posting this. I searched using my comp and found a whole thread about sod.
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Screen unresponsive

Basically, my N7's screen is frequently unresponsive. I was trying to start something in my launcher, and tried pressing it at least 6 times, but nothing happened. Then I tried swiping between launcher pages, and that worked just fine the first time.
This just started happening on an almost constant basis within the last 30-60 minutes, and I was wondering if anyone else has experienced this, or heard of anyone else experiencing it. I'm running the latest Minimus with Jassy's latest kernel (I just flashed them this morning, but it was probably 4-5 hours ago at least), with the DPI set to 290 (I just raised it from 280 to see if that would help anything). I also cleared the cache and dalvik.
Any ideas?
My girlfriends tablet has done that too, then it just randomly goes back to just fine
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Why don't you try stock and see if you have an issue. This would allow you to rule things out at least.
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Same issue here...both stock and CleanROM
me as well. And this is my second tablet after returning the first one for dead pixels
My tablet is stock rooted and I have just experienced this. I had to reboot in order to fix it. Hopefully this doesn't happen again.
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lyall29 said:
My tablet is stock rooted and I have just experienced this. I had to reboot in order to fix it. Hopefully this doesn't happen again.
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Same here this has happened to me on stock, but a reboot fixed it.
I've only experienced this using Chrome. it got so bad that I'm using the molasses-in-the-winter-going-up-hill Firefox browser just to be able to web surf.
Same here stock, and clean ROM.. Haven't noticed anything on kanged cm nor pa yet. Can't get otg to work worth a crap either I bought chainfires app to help with otg worked with stock based ROMs but not cm based ROMs .. I'm pissed I bought the 16 GB model..
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dincdoes.me said:
Same here stock, and clean ROM.. Haven't noticed anything on kanged cm nor pa yet. Can't get otg to work worth a crap either I bought chainfires app to help with otg worked with stock based ROMs but not cm based ROMs .. I'm pissed I bought the 16 GB model..
Sent from my Nexus 7 using Tapatalk 4
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It happened to me as well (complete stock). Mostly (if not all) instances were with Chrome. I don't remember it happening again since I switched to Chrome beta. (Fingers crossed).
I just took mine back to Best Buy and exchanged it for the 32gb model. The guy at the store asked if anything was wrong with the tablet and I told him that it would freeze up and I would have to reboot in order to fix it. He told me that all tablets and phones freeze like that and that I should reboot the device at least once a day to prevent the freezing of the screen. I thanked him and told him that I would do that. These salesmen must think that everyone is as dumb as they are.
I hope my new tablet doesn't have the same problem, because if it does I might give up on the new nexus 7.
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Sleep of Death/Deadlock

So, I have my phone rooted running a modified version of CM10.2. Recently, my phone started going into a "sleep of death" while charging overnight, where the phone is still on but is nonresponsive, requiring me to reboot. So I downloaded Safe Charge and it helped... Kind of. Now instead of going SoD every night, it only does it sometimes.
So, is what I'm experiencing part of the infamous JSS ROM deadlocks I've been hearing about? And is there some way to fix this, or am I just going to have to deal with it until KitKat comes out?
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jspitzer221 said:
So, I have my phone rooted running a modified version of CM10.2. Recently, my phone started going into a "sleep of death" while charging overnight, where the phone is still on but is nonresponsive, requiring me to reboot. So I downloaded Safe Charge and it helped... Kind of. Now instead of going SoD every night, it only does it sometimes.
So, is what I'm experiencing part of the infamous JSS ROM deadlocks I've been hearing about? And is there some way to fix this, or am I just going to have to deal with it until KitKat comes out?
Sent from my Nexus 4 using xda app-developers app
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Click to collapse
flash stock, you wont have to deal with it.
jspitzer221 said:
So, I have my phone rooted running a modified version of CM10.2. Recently, my phone started going into a "sleep of death" while charging overnight, where the phone is still on but is nonresponsive, requiring me to reboot. So I downloaded Safe Charge and it helped... Kind of. Now instead of going SoD every night, it only does it sometimes.
So, is what I'm experiencing part of the infamous JSS ROM deadlocks I've been hearing about? And is there some way to fix this, or am I just going to have to deal with it until KitKat comes out?
Sent from my Nexus 4 using xda app-developers app
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Click to collapse
SoD seems to show up randomly... I've heard that JWR ROMs have less SoDs than JSS so you could try one, or if your not into switching ROMs here is an app (free) that could help you. It's called Safe Charge, and the comments say that it works great.
If you read my OP, I already have Safe Charge installed and am still getting sod. I really like the ROM I'm using, but I may just have to switch to avoid this unfortunate issue.
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jspitzer221 said:
If you read my OP, I already have Safe Charge installed and am still getting sod. I really like the ROM I'm using, but I may just have to switch to avoid this unfortunate issue.
Sent from my Nexus 4 using xda app-developers app
Click to expand...
Click to collapse
Oops I guess I missed that part... I'm pretty sure that you can find a near similar ROM/kernel setup for JWR... If all else fails, try stock...
(Oh and if you can still RMA it, do it. People have speculated that its a hardware issue...)
No worries. I'm trying out SlimBean because I hear that doesn't have the issues, but not being able to use Franco with it is a bit of a bummer. In fact I haven't yet found a third party kernel that does work with it.
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I had this happen to me with a particular rom. Everything was great until id lock the phone, then try to unlock and see nothing but a black screen. I switched roms and it never happened again.
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