AnsweredAssumed Answered

CPU Temperature  increase 10°C while BSP upgrade from L3.14.28 to L4.1.15

Question asked by Wayne Kuo on Apr 28, 2017
Latest reply on Apr 28, 2017 by Artur Petukhov

Hi support team,


Our customer product use i.MX6DL and have some issue during the system stress test.
They use the same customer's board and run the same stress test script, but only upgrade the BSP form Kernel 3.14.28 to Kernel 4.1.15.
After running the stress tool 30 minutes, the CPU temperature got the different result for 2 different Kernel.
Kernel 4.1.15 CPU temperature is 10°C greater than Kernel 3.14.28 CPU temperature.
(Customer read the Temperature Monitor Register to get the CPU temperature.)


Here is my question:
1. Any ideal why 2 different Kernel have the different result?
2. Does NXP provide the CPU stress test tool?
3. I saw on Community that temperature sensor need to be calibrated, how can I do the calibration?


Best Regards,