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I've installed Armbian 5.05 from scratch and the same high idle load due to usb-hardware-sc process:
- rufik@orangepi2mini:~$ top
- top - 08:12:19 up 9:41, 1 user, load average: 1.22, 1.08, 1.07
- Tasks: 79 total, 1 running, 78 sleeping, 0 stopped, 0 zombie
- %Cpu(s): 0.1 us, 0.2 sy, 0.0 ni, 99.8 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st
- KiB Mem: 1025248 total, 294308 used, 730940 free, 16456 buffers
- KiB Swap: 131068 total, 0 used, 131068 free. 220940 cached Mem
- rufik@orangepi2mini:~$ top -b -n1 | grep D
- PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
- 36 root 20 0 0 0 0 D 0.0 0.0 0:01.17 usb-hardware-sc
- rufik@orangepi2mini:~$ head -10 /etc/armbian.txt
- --------------------------------------------------------------------------------
- Title: Armbian 5.05 Orangepih3 Debian jessie default (unofficial)
- Kernel: Linux 2016.03-rc2
- Build date: 08.03.2016
- Author: Igor Pecovnik, www.igorpecovnik.com
- Sources: http://github.com/igorpecovnik
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So well known problem is not solved for Orange PI 2 yet :/
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