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heating up

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By Poojan Patel, Senior Member on 22nd January 2014, 10:27 AM
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why my phone gets heat up whenever i flash PA rom or any other AOSP based rom??
i dont face any heating problem with sense based rom..
 
 
22nd January 2014, 12:37 PM |#2  
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Quote:
Originally Posted by Poojan Patel

why my phone gets heat up whenever i flash PA rom or any other AOSP based rom??
i dont face any heating problem with sense based rom..

If you are using ART runtime, that happens. Else use Davlik as ART is not supported by the PA team. So if you have any issues while running your ROM runtime in ART the team may or may not take your bug reports into consideration.

I so far has reverted back to Davlik because of this, as I usually bake my own ROM on a nightly basis or when ever there is a big merge from the open commits.

Good luck.
Last edited by pr0di9y; 22nd January 2014 at 01:35 PM.
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22nd January 2014, 01:28 PM |#3  
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thank you very much for your answer...i appreciate..
22nd January 2014, 02:00 PM |#4  
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Originally Posted by Poojan Patel

thank you very much for your answer...i appreciate..

Hope I'm correct in assuming you are using KitKat base ROM when you encounter this problem after updating these ROM and having ART runtime enable.

I also was looking around the cyberspace for someone to come out with this same issue as well. Maybe is an isolated issue, I encounter this issue on my Nexus 4 but not on my Nexus 7 LTE 2013. Even if it does happen on my N7 03 LTE is just a slight warm on touch, where else the N4 is like just came of laying under the hot sun.

I also notice during the creation of the cache files for the ART, more processing power is required to do this. Usually around 5-10% of the battery usage is observe on this.

Apologies PA team if this is really off topic.
22nd January 2014, 03:01 PM |#5  
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does heating problem cause by dalvik/ART ??
22nd January 2014, 04:05 PM |#6  
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Quote:
Originally Posted by Poojan Patel

does heating problem cause by dalvik/ART ??

You mentioned that it happen during after you flash/update an AOSP ROM and assume you have previously enable/using ART runtime, so in anyway it will regenerate the files for the ART runtime to use again.

During this operation your device may heat up due to the CPU crunching up the data to generate these files, again I am guessing this is what triggered it.
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