BIG cores stucking at 1056 mhz - OnePlus 3T Questions & Answers

Recently i'm noticed a problem: very often two BIG cores are stucking at 1056 without any reason and it not depends of battery level. After cores are stuck, the UI ( Interface ) becomes very slow and laggy, phone also heats more than when core are not stucked and working properly. This problem was earlier and comes to me after Oxygen 5.0. I have did three factory resets since then ( after updating to 5.0.0 ) and nothing changed. This problem is really annoying and don't let to use phone normally. I also noticed that after updating the system, the phone works fine for a while, but then the lags start again. It's very sad that OnePlus can't make their Kernel working normally.. Is there any chance to fix this problem with core stucking at 1056 mhz? I dint want to use custom kernel, i want to use stock oxygen kernel and fix this problem, if this possible..
I also made a bug report on 1+ forum, check it please: https://forums.oneplus.com/threads/big-cores-stucking-at-1056-mhz.955115/

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Random crashes and reboots on Thrillseeker 3.1

I installed Thrillseeker 3.1 about 2 weeks ago, and have been noticing a few things. Sometimes the phone stops responding to touches for a while, like its locked up, or lagging, or maybe the wrong CPU governor. I don't know what's going on. Sometimes it randomly resets. One repeatable problem is that if I turn Wifi on, then off, then on again, the phone resets.
I have tried the 1.30Ghz kernel included in 3.1, the 1.38Ghz kernel, the 1.0Ghz "Saver" kernel, and the 3.12 update, but the same reset-on-wifi problem persists.
Is anyone else having similar problems? Simple fix?
I would try reflashing back to stock. Reinstall CWM, then try installing the ROM again.
Beyond that, maybe you should PM the guy who made the rom.
brianosaurus said:
I installed Thrillseeker 3.1 about 2 weeks ago, and have been noticing a few things. Sometimes the phone stops responding to touches for a while, like its locked up, or lagging, or maybe the wrong CPU governor. I don't know what's going on. Sometimes it randomly resets. One repeatable problem is that if I turn Wifi on, then off, then on again, the phone resets.
I have tried the 1.30Ghz kernel included in 3.1, the 1.38Ghz kernel, the 1.0Ghz "Saver" kernel, and the 3.12 update, but the same reset-on-wifi problem persists.
Is anyone else having similar problems? Simple fix?
Click to expand...
Click to collapse
I haven't had the reboot problems since 3.12 update from 3.11 clean install. Have had lag issue a couple times..for me restarting holo launcher corrected...tried to recreate wifi issue bit is working for me. All three kernels are very similar the saver has 1.3 and 1.2 disabled and the hotplug gov tweaked
Also posting this in my thread might get you more help.. since your running thrill seeker its ok to post problems you are having in that dev thread as others may be having same issues and ill see it quicker and try to help fix it if I can.
Sent from my LG-P925 using xda premium
yeah, i'm a noob
I'll try going back to stock and then reflash the latest thrill seeker. I would have posted in the dev forum, but I don't have 10 posts yet, so I'm restricted from posting in dev. only 8 more to go
3.12 hasn't had a random reset on me, just the wifi reset, but that one "works" every time.
Thanks,
brian
found lag problem and found possible fix
lag problem on thrillseeker 3.11/3.12 appears to be the CPU somehow resetting the Max MHz to 100MHz after the phone sleeps for 10-15 mins. Having Romtoolbox installed, then adjusting the CPU sliders quickly bypasses this issue. Although a true fix is in the coding, this workaround appears to be permanent once preformed. At least we now know it is not a flaw in the Rom as far as an overload or hang-up problem. I have not experienced the Wifi issue yet. If I can get a heads-up on how to induce it, I can look into it. Great work on the Rom!
problems im having
The rom itself is near perfect to me...I give thanks to all that put the hours and hardwork into this
I am a complete noob so any help or answers I will greatly appreciate. The only trouble I have from rom so far is if I'm using the browser while its plugged in.. might be a bad install after all. I really jumbled a few things like not making a nandriod. So I'm kinda stuck with with out a return to stock option...I have been trying to work through this but im a bit unsure how to get a stock Back on here. ..????? Any help....... back to rom I love thrillseeker 3.1....I been testing what I need in a rom and well I couldn't be happier that this rom seems to to do the job and then some....everything works perfect ....like I said the only thingthat seems fuzzy is when I plug in to wall charger and then it gets glichy.....
cpu
I adjusted sliders as well the second one seems to revert back to 100mhz often so its not a permanent fix. It does help....
Yeah. Funny thing. My phone broke (cracked screen), so I did an exchange at best buy and this rom works just fine on the new one. I guess my old one was kind of janky on the inside.
Sent from my LG-P925 using xda app-developers app

[Q] 4X HD lag issue

Hello,
For the last 6 months or so, I've experienced many lag issues with my device. At the begging, I had a CM11 ROM installed on my phone, so I decided to revert back to the V20B official european firmware because I thought those lags were related to the ROM. But nothing changed, and as of today I still have responsiveness issues.
This lag issue appears from time to time, and makes my device basically unusable. It feels like the whole CPU is hogged by an application, or like I underclocked my device to 53mhz on purpose. During these lags, trying to wake up my device will take up to 5 seconds, and navigating the main screen will be nearly impossible. Also, my phone will get very hot which would imply that my CPU is indeed used by an application. Sometime the issue will disappear by itself after a few minutes, but I usually reboot the device which temporarily fixes the problem.
I have tried to disable LG MLT, and I think it helped but the lag still occasionally occurs.
I don't really use third party applications either.
I think these lags might be related to the Google Chrome browser, but it doesn't make any sense as it is an official app.
Anyway if any of you have an idea on how to fix the issue or how to find the application/service/whatever hogging the CPU I'd be grateful
Thanks !
I did experience such lags in CM11 after a few days of usage.But talking about stock, these freezes sound bit weird.You might want to check your installed apps.Download watchdog lite from play store and let it watch on agressive mode.Also check if your phone is hot when these freezes occur, might be the throttling kicking in.
I also experienced this kind of lags due to bad gapps I had installed back in the day, though stock ROM comes with gapps so it's not that.
Thanks for your reply,
I installed Watch dog lite and I'm now waiting for an alert. I hope it will give me the name of the culprit
If you are rooted which i assume you are. You can try app from playstore called "lagfix" (fstrim)
Sometimes really helps. Sometimes it doesn't

CPU small cores do not stop, big cores not working

So, my issue is as the title shows.
The A53 cores do not stop, and A57 cores only work like 0-1 core at a time, usually doing nothing.
Which causes my phone to be heating up whenever it isn't sleeping, sometimes drains battery even when charging at 2A.
I'm using E6533(dual sim version), and it happened when I updated my phone to 7.1.1(32.4.A.0.160) from 7.0.0(32.3.A.2.33) firmware with flashtool.
Yes, I've rooted my phone, but just for removing shutter sounds.
I tried to rollback to my TWRP backup, factory reset, rollback to 32.2.A.0.305, using custom ROM(lineage), quite everything I know, but nothing worked.
Does anyone have a clue of what might be the problem, and what might work?
Thank you.
baconbeacon said:
So, my issue is as the title shows.
The A53 cores do not stop, and A57 cores only work like 0-1 core at a time, usually doing nothing.
Which causes my phone to be heating up whenever it isn't sleeping, sometimes drains battery even when charging at 2A.
I'm using E6533(dual sim version), and it happened when I updated my phone to 7.1.1(32.4.A.0.160) from 7.0.0(32.3.A.2.33) firmware with flashtool.
Yes, I've rooted my phone, but just for removing shutter sounds.
I tried to rollback to my TWRP backup, factory reset, rollback to 32.2.A.0.305, using custom ROM(lineage), quite everything I know, but nothing worked.
Does anyone have a clue of what might be the problem, and what might work?
Thank you.
Click to expand...
Click to collapse
did u tryed to install a custom rom? or a stock but flashing a kernel?
op3n said:
did u tryed to install a custom rom? or a stock but flashing a kernel?
Click to expand...
Click to collapse
I was using stock ROM, but while trying to fix the issue, I've tried custom ROM too. Though nothing has changed…
baconbeacon said:
I was using stock ROM, but while trying to fix the issue, I've tried custom ROM too. Though nothing has changed…
Click to expand...
Click to collapse
i think is normaly to run even 1 cpu. to me is working permanently 2 - 2 from big, and 4 from little and battery is ok. is normaly to bicom hot our *****es z4; u want to say is permanently hot even is in standby or blabla?
op3n said:
i think is normaly to run even 1 cpu. to me is working permanently 2 - 2 from big, and 4 from little and battery is ok. is normaly to bicom hot our *****es z4; u want to say is permanently hot even is in standby or blabla?
Click to expand...
Click to collapse
Well, if that's normal, this shouldn't be an issue. Though I do wonder where's the big little concept gone.
Did it ever occur to you guys that it might be dynamic hotplugging and a specific configuration/setup is being used ?
Or is it in your case really being buggy and broken ?
You left something working in the background and monitored how the cores behaved ?
Using different apps ? (say: kernel adiutor [or kernel adiutor mod], EX Kernel Manager, CPU Z, etc.)
My situation has improved, so I'll update my situation, hopefully it'll help someone.
After updating to stock 7.1.1(without modifications), my phone got just very hot while the screen was on., consuming more than 2A.
Rolling back did solve the problem(becomes normal heat), but as for me, I chose to use lineage OS, which was great. The only drawback I'm having now is that the camera button's function isn't as versatile as the stock ROM, especially while opening the camera app from sleep state, is a bit unstable.
A great thanks for all of you guys for giving me advices.
My situation has improved, so I'll update my situation, hopefully it'll help someone.
After updating to stock 7.1.1(without modifications), my phone got just very hot while the screen was on., consuming more than 2A.
Rolling back did solve the problem(becomes normal heat), but as for me, I chose to use lineage OS, which was great. The only drawback I'm having now is that the camera button's function isn't as versatile as the stock ROM, especially while opening the camera app from sleep state, is a bit unstable.
A great thanks for all of you guys for giving me advices.

Possible GPU failure?

So recently I've been running the smurf kernel to play games like pubg with OC. But all of a sudden my note began glitching and caused graphic glitches. I thought that this might just be in game but it happens when I exit. When I exit usually the display just goes black but the digitzer underneath is still working. Any ideas on what's going on. Oh also. I thought this might be a smurf kernel glitch so I switched to notorious but it just repeats. This happens at random too . Screenshots.
Skulldron said:
So recently I've been running the smurf kernel to play games like pubg with OC. But all of a sudden my note began glitching and caused graphic glitches. I thought that this might just be in game but it happens when I exit. When I exit usually the display just goes black but the digitzer underneath is still working. Any ideas on what's going on. Oh also. I thought this might be a smurf kernel glitch so I switched to notorious but it just repeats. This happens at random too . Screenshots.
Click to expand...
Click to collapse
Does it happen in other games? Graphically glitches such as that typically means that the GPU is not capable of process the visuals at the settings requested and bottlenecks. At least when it comes to PC.
Sent from my SM-N950U using Tapatalk
GPU artifacts. Your phone's GPU is overheated.
It doesn't happen in other games. Also, are you sure that it's just an overheating issue than a defect?
Try reinstalling the stock OS back onto your device. There is a chance that the GPU drivers may have gotten corrupted
Skulldron said:
It doesn't happen in other games. Also, are you sure that it's just an overheating issue than a defect?
Click to expand...
Click to collapse
Most likely. The common factor is artefacts during PUBG. Since the issue doesn't occur during other intense games (if you've tried others), then PUBG is the factor causing the issue.
Sent from my SM-N950U using Tapatalk
Ok so an update on the situation. Switching to a different kernel doesn't appear to help at all. In fact the situation can get a little worse at times. It doesn't happen instant but can happen at random times. It's spread to other games but only if I play the game for a while (2 hours usually). Honestly don't know what to do at this point. Usually when you overheats it downclocks automatically right? So I doubt it's overheated. I am about to wipe everything off and start new. Maybe then my problem will disappear. If anyone can please give me the direct cause of this error I will be forever grateful
Skulldron said:
Ok so an update on the situation. Switching to a different kernel doesn't appear to help at all. In fact the situation can get a little worse at times. It doesn't happen instant but can happen at random times. It's spread to other games but only if I play the game for a while (2 hours usually). Honestly don't know what to do at this point. Usually when you overheats it downclocks automatically right? So I doubt it's overheated. I am about to wipe everything off and start new. Maybe then my problem will disappear. If anyone can please give me the direct cause of this error I will be forever grateful
Click to expand...
Click to collapse
I would do a full wipe, go back to latest stock firmware with Odin, and then test from there. If the problem persists, then I think it's safe to say it's hardware failure of some type, which would require repair.
Any updatess?
Yes, So I have gone back to stock and have played PUBG. The artefacts dont appear however sometimes you catch a glimpse of very minor glitching. Now I wonder whether this is due to the fact that my note has a low GPU bin of 2 out of 15 (I think). I have switched over to a new ROM and it appears that the RED flashes of death were temporary and maybe gone for now. I will report if it repeats itself.
Skulldron said:
Yes, So I have gone back to stock and have played PUBG. The artefacts dont appear however sometimes you catch a glimpse of very minor glitching. Now I wonder whether this is due to the fact that my note has a low GPU bin of 2 out of 15 (I think). I have switched over to a new ROM and it appears that the RED flashes of death were temporary and maybe gone for now. I will report if it repeats itself.
Click to expand...
Click to collapse
Thanks for the update, glad to hear things have improved! PUBG is kind of buggy overall, so those new minor glitches could possibly just be the app itself. Keep testing and see, but hopefully everything goes smoothly
Skulldron said:
Yes, So I have gone back to stock and have played PUBG. The artefacts dont appear however sometimes you catch a glimpse of very minor glitching. Now I wonder whether this is due to the fact that my note has a low GPU bin of 2 out of 15 (I think). I have switched over to a new ROM and it appears that the RED flashes of death were temporary and maybe gone for now. I will report if it repeats itself.
Click to expand...
Click to collapse
https://www.redmondpie.com/pubg-mob...s-fix-lag-more-heres-how-to-configure-it-all/
Decent write up of how to fix some of PUBG glitches and lag. I haven't tried that game but could possibly help.
Ok everyone! I believe the issue is solved!. A reflash of the stock ROM appears to have fixed the glitches. Even on low battery it doesn't seem to affect the device so I'm going to put it down to corrupt gpu drivers. Thanks everyone for your help, y'all have been awesome.
Are you doing Dream UX for the galaxy tab s2. If you are, I have a SM-T813 and I am willing to test on it since you do not have one for this device and I don't expect for Samsung to release 8.0 Oreo on it.
Please and Thanks

Display/UI lagging

Hey, i finally got my Oneplus 7T Pro and i decided to root my Note 9 after that, so that i have a device non rooted for diffrent reasons for saftey. But im facing a weird Problem. Im on root since my S5, so i guess i know what to do. But after i flashed Alexanders Rom, my whole UI is lagging like my display has only 30 Hz. After that, i tried to go back to totaly stock Rom from Sammobile. That worked fine, but i dont get the lagg away.
Dont know what else to do.. i wiped my Cache also after Stock Rom installation. I bootet in Safemode etc. I figured out that the lagg appears ~10 Sec after UI boot, short before the vibration feedback that the device is ready booted. So i guess something is wrong. If i switch in Devopotions the toggle, to render the Display via GPU only, things gettingt minimal better with lagg. Not so perfect like before but a bit better. So i guess it can maybe be something with the Displaydriver or similar ??!
ATM on actual December FW CSK2. My Device is German DBT unbranded. Maybe someone knows more about it. Anyway, the Device is fully functional, i can live with this lagging ui cause its not more my daylie driver. But would be nice, if i can fix this somehow.
*edit* i dont installed any custom Kernel or similar. Just alexanders rom, so i done no oc or else with this device.

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