Database Users

Attempt to fix NS reboot loop using hardware mod [FAILED]

EDIT: This failed, just ignore...
If you're like me, you sometimes pickup your phone and it's stuck at the boot animation and the animation is grayish.
Well I think that this problem as nothing to do with custom rom or custom kernel but in fact is a Nexus S hardware issue. I think that when the NS reach a certain temperature the CPU stop intentionally so no damage is done to the phone. The problem is that when the CPU stop, the phone reboot but at boot uses a lot of CPU than overheats again than just get stuck in a reboot loop. That's my theory.
I also think that the problem comes from the NFC antenna. The rubbery texture of the NFC antenna seems to keep the heat in the handset.
So to try to fix the problem, I added a copper plate between the NFC antenna and the battery to try to dissipate the heat. The result, my NS runs a good 4C less than it use too and I haven't had a reboot loop yet.
If you have reboot loop problems, try a similar solution and let me know if it fix it for you...
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Bootloops commonly happen from too much undervolting, unstable overclock, phone/battery gets too hot. Looks interesting though. NFC still work?
Sent from my Nexus S 4G using xda premium

Rem3Dy said:
Bootloops commonly happen from too much undervolting, unstable overclock, phone/battery gets too hot. Looks interesting though. NFC still work?
Sent from my Nexus S 4G using xda premium
Click to expand...
Click to collapse
I'm taking off undervolt and overclock out of the equation because I assume that someone has tested those thoroughly before setting them at boot.
I'm focusing on the fact that when your OC/UV is stable, you shouldn't have boot loops. I even think that some ppl are experiencing bootloops with stock kernel which has no OC/UV ...
As for NFC, it still works! I've been running my phone 4 days strait without any reboot and the phone definitely feel cooler to the touch. Temperature never went higher than 35 Celcius. My phone used to be constantly at 37+ Celcius.

Interesting information thanks for the insight.
Sent from my Nexus S

p00kienrayray said:
Interesting information thanks for the insight.
Sent from my Nexus S
Click to expand...
Click to collapse
Well.. After 4 days without reboot. Left my phone in the car came back after work. Battery was drained because of a reboot loop. So we can call that a false alarm. Copper does not fix the issue. I really thought it was
I guess this issue is software related. Anyone know a ROM that doesn't rebootloop? Cyanogenmod is kind of pissing me off right now because of this...

steve.garon said:
Well.. After 4 days without reboot. Left my phone in the car came back after work. Battery was drained because of a reboot loop. So we can call that a false alarm. Copper does not fix the issue. I really thought it was
I guess this issue is software related. Anyone know a ROM that doesn't rebootloop? Cyanogenmod is kind of pissing me off right now because of this...
Click to expand...
Click to collapse
i dont think its a heat issue because ive got my ns up to 123F without a problem, without a bootloop. and i regularly run at 105-115F torturing my phone testing out kernels.

steve.garon said:
Well.. After 4 days without reboot. Left my phone in the car came back after work. Battery was drained because of a reboot loop. So we can call that a false alarm. Copper does not fix the issue. I really thought it was
I guess this issue is software related. Anyone know a ROM that doesn't rebootloop? Cyanogenmod is kind of pissing me off right now because of this...
Click to expand...
Click to collapse
Try the oxygen rom. I haven't encounterd a boot loop or random reboot since switching to oxygen. Use to get bootloop or random reboot several times a day with cyanogen rom.
Sent from my Nexus S using XDA App

No bootloops with cm7 latest nightly and netarchy
Sent from my Nexus S 4G using xda premium

Terrible Battery Life

Hey guys. I know XDA is filled with battery threads, and I've done numerous searches around the forums and across the internet. Nothing seems to be helping me.
Recently, the battery life on my Nexus 4 hasn't been so great. I've attached a few screenshots of GSAM. Any ideas on what is causing the significant drain? I'm down 15% in 1 hour and have barely touched my phone. Using stock 4.4.2, rooted with some Xposed modules (none of which seem to correlate to being installed near the time of the battery life becoming crap).
Here is a dump from GSAM as well: https://www.dropbox.com/s/z6uo3q5059mcwhu/02-26-14.txt
Edit 2: After just over 4 hours, I'm down to 50% with a ton of wakelocks. This is the part that I can't find any helpful info about. Here's the new log: https://www.dropbox.com/s/tv01k9tbmo38gbv/02-26-14 2.txt
Edit: Trying to fix the images yet again:
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Sent from my Nexus 4

Shot in the dark but have you tried a battery calibration app?

Bilge656 said:
Shot in the dark but have you tried a battery calibration app?
Click to expand...
Click to collapse
You know, I haven't ever on this device. I had on my Samsung Captivate and Nexus S, but have yet to use any sort of battery calibration on my Nexus 4. And now that you mention it, I've had some strange behavior with going from 35% to 25% rapidly, rebooting, and then having it at 30%.
Do you think it's worth a shot? If so, any good apps for this? When I did it on old devices, I just used the CWM option to delete battery stats and then charged/discharged fully. Seems that TWRP (which I have installed) doesn't have this option.

jwkicklighter said:
You know, I haven't ever on this device. I had on my Samsung Captivate and Nexus S, but have yet to use any sort of battery calibration on my Nexus 4. And now that you mention it, I've had some strange behavior with going from 35% to 25% rapidly, rebooting, and then having it at 30%.
Do you think it's worth a shot? If so, any good apps for this? When I did it on old devices, I just used the CWM option to delete battery stats and then charged/discharged fully. Seems that TWRP (which I have installed) doesn't have this option.
Click to expand...
Click to collapse
Follow this app's instructions - https://play.google.com/store/apps/details?id=com.nema.batterycalibration

Bilge656 said:
Follow this app's instructions - https://play.google.com/store/apps/details?id=com.nema.batterycalibration
Click to expand...
Click to collapse
Thanks a lot, hopefully this works!

what the app does it deletess batterystats.bin
but google already stated that its just placebo, this file is only for the batteryicon
thats why cwm removed it.
second those wakelocks are just seconds. so its normal
third. do you have any sync service?(skype,facebook,email, or even google) if so
try disabling temporaly
if dosent work you may wanna try the xposed + xposed module called disable critical shutdown
then wait till phone turns off and charge for minimum 8hours
if not
change rom/kernel
if still not
its your battery(if so, and you still have warranty, you can get an rma if you live in a google area or get money back if you live in a area where lg controls,or buy another battery

opssemnik said:
what the app does it deletess batterystats.bin
but google already stated that its just placebo, this file is only for the batteryicon
thats why cwm removed it.
second those wakelocks are just seconds. so its normal
third. do you have any sync service?(skype,facebook,email, or even google) if so
try disabling temporaly
if dosent work you may wanna try the xposed + xposed module called disable critical shutdown
then wait till phone turns off and charge for minimum 8hours
if not
change rom/kernel
if still not
its your battery(if so, and you still have warranty, you can get an rma if you live in a google area or get money back if you live in a area where lg controls,or buy another battery
Click to expand...
Click to collapse
Hadn't read about it being a placebo, thanks for the info. I downloaded BBS and think the issue is actually the (common) msm_hsic_host issue. It had several hours today. I'm flashing Matr1x kernel right now, so we'll see if that takes care of the issue.

jwkicklighter said:
Hadn't read about it being a placebo, thanks for the info. I downloaded BBS and think the issue is actually the (common) msm_hsic_host issue. It had several hours today. I'm flashing Matr1x kernel right now, so we'll see if that takes care of the issue.
Click to expand...
Click to collapse
Oh nice. handn´t see this wakelock since 4.2.1 lol
btw:
https://plus.google.com/105051985738280261832/posts/FV3LVtdVxPT

opssemnik said:
Oh nice. handn´t see this wakelock since 4.2.1 lol
Click to expand...
Click to collapse
Yeah, I remember reading about it way back when, and thought "oh, that's not affecting me at all." And now it looks like it very well may be causing issue -__-
opssemnik said:
btw:
https://plus.google.com/105051985738280261832/posts/FV3LVtdVxPT
Click to expand...
Click to collapse
Well that pretty much clears that up, thanks!

Try going back to stock android and check the performance. It can be that one of the Xposed modules is causing you the problem.

I quit.

I f÷׶ing quit.
I've been using this galaxy s2 for months but I quit.
Enough, simply enough.
This thing's battery life is so poor its just unusable. Rebooting the device makes me lose half the battery, and I can't fix it.
I really like this phone for it's performance but except for that it sucks. I've been trying to fix this for months but I cant get it working. No matter which ROM or which kernel, a full battery can't even hold one single evening of reading 9gag. (It survives just a hour, maybe a little more...)
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The drop in the middle is a reboot
I've not used the phone all day, but at the second I touch it it drains from 70% to 10% in not even a hour, only app running was 9gag. It does NEVER survive a school day, no longer than 1/1.5 hour screen on time... The battery in it is brand new, and I even had it replaced twice by Samsung.
I'm sorry all, I'm taking my iphone with me tomorrow. This is no more fun.

You obviosly have media scanner issue, since sdcard is the first one listed. Install BBS for more info, but I'm sure it's media scanner. It can be fixed quite easily though.
About losing half of the battery when you reboot, it's a KK's bug on S2.(That is KK you're using, right ? ) It is annoying, but can be solved. Just plug it into charger, reboot to recovery, and then reboot the recovery itself. Battery percentage should fill up.
And at the end, you should't have rooted and installed a custom ROM(s) if you can't solve a simple problems like this.
With sammy based ROMs, you wouldn't have had those issues, but KK based ROMs are not perfect, so either deal with it, or simply don't use them.

You certainly have a problem with the mediascanner... A clean install would probably fix it...

Nightshadow931 said:
You obviosly have media scanner issue, since sdcard is the first one listed. Install BBS for more info, but I'm sure it's media scanner. It can be fixed quite easily though.
About losing half of the battery when you reboot, it's a KK's bug on S2.(That is KK you're using, right ? ) It is annoying, but can be solved. Just plug it into charger, reboot to recovery, and then reboot the recovery itself. Battery percentage should fill up.
And at the end, you should't have rooted and installed a custom ROM(s) if you can't solve a simple problems like this.
With sammy based ROMs, you wouldn't have had those issues, but KK based ROMs are not perfect, so either deal with it, or simply don't use them.
Click to expand...
Click to collapse
Well said man, also I'd like to add, maybe try an app like Greenify, it helps A LOT with battery.
---------- Post added at 11:22 PM ---------- Previous post was at 11:11 PM ----------
ahmedelhofy said:
You certainly have a problem with the mediascanner... A clean install would probably fix it...
Click to expand...
Click to collapse
Yeah, this bug used to happen to me a lot, a clean install would fix it, also maybe try a new rom? I've been on PACman since 4.2.2 and it's amazing=p
The battery is really good. Maybe try SetCPU as an app? - It's really good

Its some time later now, tried all of it, still no improvement

You have some serious sh*t going on your phone, dude...
I am browsing 9GAG also on my S2, and I can survive 2 Hours straight PLUS listening to music PLUS using Viper4Android (High Quality Sound Applied)... And has an extra 30 minutes to spare!
It's either something badass app running on your Background, or your Battery is just weak...
I have a 2-year-old Stock Battery and I can perform these... So... Yeah... Your setup sucks... Don't blame your s2... :good:
:good:

souler456 said:
You have some serious sh*t going on your phone, dude...
I am browsing 9GAG also on my S2, and I can survive 2 Hours straight PLUS listening to music PLUS using Viper4Android (High Quality Sound Applied)... And has an extra 30 minutes to spare!
It's either something badass app running on your Background, or your Battery is just weak...
I have a 2-year-old Stock Battery and I can perform these... So... Yeah... Your setup sucks... Don't blame your s2... :good:
:good:
Click to expand...
Click to collapse
I can't use 9gag longer than a hour,
Im not done troubleshooting b because I simply can't give up Android.. Nobody can

domini99 said:
I can't use 9gag longer than a hour,
Im not done troubleshooting b because I simply can't give up Android.. Nobody can
Click to expand...
Click to collapse
Dude... Just use BetterBatteryStats! Or GSM Battery Monitor to see what Apps are eating your extra battery juices!
I also recommend you to stick to Stock-JB-based ROMs (like NeatROM JB), since it's one of the Custom Stock ROMs that's gonna give you a longer-lasting battery. I recommend NeatROM since it's packed with Apolo Kernel, which also a good kernel for battery!
I use SlimSaber KitKat by fusionjack, since I want features. But if you want to enjoy more Screen-ON time with your S2, better get NeatROM :good:

Tell me what this is:
A simple reboot causes major battery loss.
And its HELL annoying

That's the bug on every KitKat based ROM, I already told you. You haven't actually lost your battery p
ercentage, it's just showing wrong informations.
Just reboot to recovery with your phone plugged into the charger, and then reboot the recovery itself, and your battery should fill up.
And install BetterBatteryStats, let your phone idle during the night, and post the log here, so we can tell you if there's anything specific draining your battery.
Sent from my GT-I9100

Nightshadow931 said:
That's the bug on every KitKat based ROM, I already told you. You haven't actually lost your battery p
ercentage, it's just showing wrong informations.
Just reboot to recovery with your phone plugged into the charger, and then reboot the recovery itself, and your battery should fill up.
And install BetterBatteryStats, let your phone idle during the night, and post the log here, so we can tell you if there's anything specific draining your battery.
Sent from my GT-I9100
Click to expand...
Click to collapse
Im not running kitkat.
I'm running kitkat themed jelly bean.

Nightshadow931 said:
That's the bug on every KitKat based ROM
Click to expand...
Click to collapse
Fuel gauge chip problem. I have that bug even on stock rom.

I apologize then, didn't know it happens even on stock ROMs.

It won't even boot up today, it turns on and immediately gives 0% battery and shuts of again, it was fully charged for sure.
I don't have the time right now to try and get it work again. I'll just use my iPhone...

Have you tried checking your battery?
Duplicate or more than 2 years old batteries can give such results
Sent from my GT-I9100 using XDA Free mobile app

worthless thread. nobody cares.

Get another device............................................................... ........................................................ ........................................................
TapaTalked from my Xperia™ Z (C660²) running Dirty Unicorns ROM!

Okay, today my phone completely died. It won't stay on for longer than 10 minutes, after that the screen starts to flicker and the phone shuts off.
I already tried to reflash stock rom, but the problem stays there.
I tried a battery from a friend's S2, that was confirmed working in his phone, my phone simply won' t stay on.

Battery Life Issue (Is this normal battery life)

I've been noticing my battery has been draining a lot lately, and the majority is going to Android System. I did a search and found another post about this with no answers. I'm not getting much more than 12 hours on a daily basis, and I hardly use my phone. I'm including a screen shot of the battery usage. Is this a normal usage amount? I remember this phone being better on battery than this.
What are you guys getting for typical usage?
Anyone have any suggestions?
https://www.dropbox.com/s/q4axktwglfqg4ac/Screenshot_2014-10-23-21-11-07.png?dl=0
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philc21 said:
I've been noticing my battery has been draining a lot lately, and the majority is going to Android System. I did a search and found another post about this with no answers. I'm not getting much more than 12 hours on a daily basis, and I hardly use my phone. I'm including a screen shot of the battery usage. Is this a normal usage amount? I remember this phone being better on battery than this.
What are you guys getting for typical usage?
Anyone have any suggestions?
https://www.dropbox.com/s/q4axktwglfqg4ac/Screenshot_2014-10-23-21-11-07.png?dl=0
Click to expand...
Click to collapse
as of yesterday, I'm seeing the same problem. Didn't have short battery life before that but several apps updated yesterday morning and now I have something like 50% on Android System and an unusually high "Stay Awake" - we're talking something like 10 hours when I wasn't using the phone for anything in particular - certainly not 10 hours worth!
So, I'm wondering how we tell what is keeping a phone awake?

usually we need more info such as what rom your using and when it started to happen..
second post might be one of the apps thats causing it so id backtrack them n see if u can find the culprit
Sent from my SM-G900V using XDA Free mobile app
---------- Post added at 05:31 AM ---------- Previous post was at 05:30 AM ----------
also, better battery stats on xda is your friend.. android system can be a ton of different things
Sent from my SM-G900V using XDA Free mobile app

I had big time battery issues when I was running NI2, and similar to what you were seeing Android System and Kernel, my battery would be nearly drained after about 10 to 12 hours. I rolled back to NE9 and my battery is back to being great I am usually at about 60% after about 10 hours. For what it's worth apps and programs were the same between both builds. Not sure this is much help just figured I'd share my experiences and what worked for me.

scadilla said:
I had big time battery issues when I was running NI2, and similar to what you were seeing Android System and Kernel, my battery would be nearly drained after about 10 to 12 hours. I rolled back to NE9 and my battery is back to being great I am usually at about 60% after about 10 hours. For what it's worth apps and programs were the same between both builds. Not sure this is much help just figured I'd share my experiences and what worked for me.
Click to expand...
Click to collapse
This was the solution I feared. I'm having massive battery drain on NI2 as well. Unfortunately, won't we lose "HD Voice" or VOLTE if we roll back to NE9? Not a deal breaker I guess.
It's really too bad Samsung/Verizon broke the phone with an update. This is seemingly pretty common now. Hope another small update gets released soon. I'm on international travel starting Friday and having a phone dead by 3pm doesn't sit very well with me.
-Collin-

CollinFX45 said:
This was the solution I feared. I'm having massive battery drain on NI2 as well. Unfortunately, won't we lose "HD Voice" or VOLTE if we roll back to NE9? Not a deal breaker I guess.
It's really too bad Samsung/Verizon broke the phone with an update. This is seemingly pretty common now. Hope another small update gets released soon. I'm on international travel starting Friday and having a phone dead by 3pm doesn't sit very well with me.
-Collin-
Click to expand...
Click to collapse
Yes, you will lose HD Voice / VOLTE unfortunately. That was a sacrifice I had to take I couldn't deal with my phone being dead by 5:00pm.

agreed. Yesterday was a complete joke. By 2pm with light use, I was down to 21%. Dead by 3:30.
I hate that I have to flash my phone back to a prior version because Verizon/Samsung broke it.

CollinFX45 said:
agreed. Yesterday was a complete joke. By 2pm with light use, I was down to 21%. Dead by 3:30.
I hate that I have to flash my phone back to a prior version because Verizon/Samsung broke it.
Click to expand...
Click to collapse
it is what it is.. there are ni2 roms with great battery.. few have reported battery drains but not me.. ive tried a few ni2 roms and not had a battery drain since before ni2
Sent from my SM-G900V using XDA Free mobile app

CollinFX45 said:
agreed. Yesterday was a complete joke. By 2pm with light use, I was down to 21%. Dead by 3:30.
I hate that I have to flash my phone back to a prior version because Verizon/Samsung broke it.
Click to expand...
Click to collapse
Wake lock detector and greenify are your friends...

My about phone.

so, after posting the second post in this thread I'm happy to post that my battery consumption returned to normal by the next day. I don't know what was going on but I'm still on NI2 and regular battery consumption - what I've been used to seeing on the phone all along.
that said, it's great to know about some of the apps that are available for better tracking/info about wake-locks and battery use.

Regarding LineageOS sourced ROMs on LS997 (devs please look LOS BUG!)

Introduction: Important shizz is underlined and in bold​
So for the past 2 months I've been flashing away with my new V20. Of course one of the first things that I decided to do was to get a CM/LOS ROM on this bad boy. And thus is where the problems begin. Before I went to any of the AOKP or RRemix ROMs I went straight to LineageOS first as a base point. I installed it successfully did all the necessary procedures (format x3, wipe errthing x3) and then installed the ROM, gapps, and Magisk.
Average battery life with watching a total of 30 minutes of Youtube videos sequentially on my 15 minute breaks, texting throughout the day, and one hour of music playing from spotify (streaming) in the morning. My work is a pretty set schedule and by no means am I on my phone all day or anything like that. So with a total SOT (screen on time) of about 45 minutes I got 5 hours of battery life.
Yes I did a clean clean clean stock install of a Lineage based ROM
No I have no other apps running and draining my batteries
I really do not think its hardware related because it can be fixed!
How I tried to fix it​
Now I try all the other ROMs. AOKP, same deal even with tweaking through Kernel Auditor on the Play Store, so I figured okay maybe just a fluke with these two ROMs. So I go and use previous builds of LOS and AOKP, nothing still the same issue. I go and use RRemix, same issue.
So heres the issue, 100% cpu usage while screen is on (cpus are maxed out on the little and big clusters) unless screen is off, then it goes into deep sleep, and the phone gets ridiculously hot which in turn drains the battery even faster.
Now at this point I'm so frustrated and had already settled on going back to stock until I downloaded Advanced Kernel Tweaker from an XDA post from the OnePlus forums. Its the same chipset (snapdragon 820) and tried applying different profiles. I got an extra hour using these tweaks but I still knew something was going wrong and I cannot figure it out for the life of me until I dug deeper reading posts about this stuff from several months ago and people having issues of overheating and an average of 5 hours of battery life
In one of the threads I read someone mentioned that it was just Kernel Auditor and its coding had been done in a way that was unoptimized. Because when your system detects you opening an app it boosts your little/big cluster in order to make up for the cpu usage so theres no lag. Well I thought okay I'll just use something else, so I spent money on EX Kernel Manager and by God, still the same issues, UNTIL, I hit the button at the top that is called performance mode.
BY GOD IT WORKED, HOLY CRAP MY CPU USAGE ISN'T JUST AT FULL USAGE
My temporary fix​
So now, I am constantly in performance mode with using EX Kernel Manager but I have control over my cores!! And they are no longer at 100% usage.
Here are pictures of the new stats with EX Kernel manager and uptimes of my little and big clusters.
Big​
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Little​
New battery life on ONE CYCLE
ps. the stent of this cycle was 5/22/2017 15:00hrs to 5/23/2017 19:00hrs​
Summary of the problem​
So as you can see, there are all of the speeds being used instead of just the one of 1593MHz when performance mode is off. If people would like pictures of 5 hours of constant 1593MHz speeds I can show you them, but I really don't feel like wasting and overheating my devices battery for the purpose of just pictures. Heres a taste of it without perfomance mode on, by the way, the little speedometer gauge in the top right of this image is the performance mode.
Conclusion​
So in conclusion, performance mode on using EX Kernel Manager, Advanced Kernel Tweaker scripts installed and using Project Zhana Battery profile, no more overheating and only getting 5 hours of battery life. YES this is a temporary fix but I hope arming XDA with this knowledge can push people and developers to find a fix. Thank you for your time reading this.

Meh. i dont have this issue. Seems like a problem with yours. Ive never had overheating issues :/ i just checked my Freq. usage. No issues. mine has24 hrs uptime with the following usage: 1593-59 min, 1478-20 min, 1401-15 min etc etc. you appear to be having issues on yours alone.

me2151 said:
Meh. i dont have this issue. Seems like a problem with yours. Ive never had overheating issues :/ i just checked my Freq. usage. No issues. mine has24 hrs uptime with the following usage: 1593-59 min, 1478-20 min, 1401-15 min etc etc. you appear to be having issues on yours alone.
Click to expand...
Click to collapse
Thank you for your reply, are you on LS997? Also what ROM and if its just my device, how come even with CLEAN installs I have this persisting issue?

Yes I am on LS997. I run EmotionOS(Though i think i am on an unreleased build). You COULD have a faulty device.
EDIT: i see you state you are constantly at 100% usage. You need to check and see what app(s) are hogging the cpu. Something is obviously running if your phone runs hot and are at 100% usage.

me2151 said:
Yes I am on LS997. I run EmotionOS(Though i think i am on an unreleased build). You COULD have a faulty device.
EDIT: i see you state you are constantly at 100% usage. You need to check and see what app(s) are hogging the cpu. Something is obviously running if your phone runs hot and are at 100% usage.
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I thought this too, so I did a clean clean clean install of a rom and ONLY installed monitoring software and I still had the same issue, but heres the thing that trips me out man, how come software can fix it if its a faulty hardware issue? Any ideas? It has to be kernel related.

The problem here is that you got the V20. LG phones are back to being garbage again...sadly.

godman_8 said:
The problem here is that you got the V20. LG phones are back to being garbage again...sadly.
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Mods plz

alvinator94 said:
Mods plz
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??? Why, it's on-topic.