Mecool K1 Pro w. CE NG 9.2.4.2 - CPUx shutdown

I see a lot of CPU shutdowns in kernel log:
[84916.890000@0] CPU3: shutdown
[84916.890024@0] psci: CPU3 killed.
[84916.981740@3] Detected VIPT I-cache on CPU3
[84916.981826@3] CPU3: update cpu_capacity 1024
[84916.981829@3] CPU3: Booted secondary processor [410fd034]
[84917.100838@1] CPU3: shutdown
[84917.100851@1] psci: CPU3 killed.
[84917.197567@3] Detected VIPT I-cache on CPU3
[84917.197622@3] CPU3: update cpu_capacity 1024
[84917.197625@3] CPU3: Booted secondary processor [410fd034]
[84918.542686@0] di:err:de_irq: enter 12c0000
[84918.709471@0] di:err:de_irq: enter 12c0000
[84920.842695@0] di:err:de_irq: enter 12c0000
[84921.526271@0] di:err:de_irq: enter 12c0000
[84922.370014@1] CPU3: shutdown
[84922.370039@1] psci: CPU3 killed.
[84922.460887@1] CPU2: shutdown
[84922.460915@1] psci: CPU2 killed.
[84922.889549@2] Detected VIPT I-cache on CPU2
[84922.889621@2] CPU2: update cpu_capacity 1024
[84922.889624@2] CPU2: Booted secondary processor [410fd034]
[84923.192936@0] di:err:de_irq: enter 12c0000
[84923.376534@0] di:err:de_irq: enter 12c0000
[84923.828937@0] CPU1: shutdown
[84923.828949@0] psci: CPU1 killed.
[84923.941621@1] Detected VIPT I-cache on CPU1
[84923.941691@1] CPU1: update cpu_capacity 1024
[84923.941694@1] CPU1: Booted secondary processor [410fd034]
[84924.045166@0] CPU2: shutdown
[84924.045192@0] psci: CPU2 killed.
[84924.681490@2] Detected VIPT I-cache on CPU2
[84924.681551@2] CPU2: update cpu_capacity 1024
[84924.681554@2] CPU2: Booted secondary processor [410fd034]
[84924.900944@0] CPU2: shutdown
[84924.900965@0] psci: CPU2 killed.
[84925.001486@2] Detected VIPT I-cache on CPU2
[84925.001545@2] CPU2: update cpu_capacity 1024
[84925.001548@2] CPU2: Booted secondary processor [410fd034]
[84925.109622@0] di:err:de_irq: enter 12c0000

Kernel:
Linux multak 4.9.113 #1 SMP PREEMPT Fri Aug 14 20:30:41 UTC 2020 aarch64 GNU/Linux

I experience occasional skips/drops during watching of DVB-S2 channels.

May this CPU shutdowns be related with TV watch issue?

Or is it HW related?

Thank you.

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