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  1. I had kernel 5.4 installed at first. I turned down the freq until 1400 without any success. With kernel 4.4 i did not notice the problem anymore . . .
  2. Hi, First, I use a mean well S-100F-12 (12 Volt 8.5 A) This one I had some time and I wasn't using it. I power the NanoPi true the 4-pin connector on the sata hat with a connector used from an old PC power supply. (All 4 wires connected) I had some spare time this week-end and did some test with my NanoPi. The problem seems to be more noticeable when I use midnight commander and copy files from usb to the sata hat. It also shows up when copying fi
  3. I've seem to have the same when copying data. I was using a sata had with an hdd and a usb3 disk. When copying files it fails. Since I'm new to this any help to get this resolved is welcome. --> Linux nanopim4v2 5.4.7-rockchip64 #19.11.5 SMP PREEMPT Wed Jan 1 09:39:17 CET 2020 aarch64 GNU/Linux Log that I found Jan 17 12:54:19 nanopim4v2 kernel: [21912.080372] Modules linked in: hci_uart bluetooth cpufreq_userspace zstd zram dw_hdmi_i2s_audio rockchip_rga brcmfmac brcmutil v4l2_mem2mem videobuf2_dma_sg vid