やっぱり、CP2112が落ちる
でも4/29にリカバーリ処理を追加したのでBME680センサーデータの欠損が無くなった
May 3 16:11:54 iot01f kernel: [6163514.412185] usb usb2-port1: disabled by hub
(EMI?), re-enabling...
May 3 16:11:54 iot01f kernel: [6163514.412208] usb 2-1: USB disconnect, device
number 31
May 3 16:11:54 iot01f kernel: [6163514.688051] usb 2-1: new full-speed USB devi
ce number 32 using uhci_hcd
May 3 16:11:55 iot01f kernel: [6163514.867329] usb 2-1: New USB device found, i
dVendor=10c4, idProduct=ea90
May 3 16:11:55 iot01f kernel: [6163514.867336] usb 2-1: New USB device strings:
Mfr=1, Product=2, SerialNumber=3
May 3 16:11:55 iot01f kernel: [6163514.867339] usb 2-1: Product: CP2112 HID USB
-to-SMBus Bridge
May 3 16:11:55 iot01f kernel: [6163514.867342] usb 2-1: Manufacturer: Silicon L
aboratories
May 3 16:11:55 iot01f kernel: [6163514.867345] usb 2-1: SerialNumber: 0057FBBE
May 3 16:11:55 iot01f kernel: [6163514.883982] cp2112 0003:10C4:EA90.0019: hidr
aw0: USB HID v1.01 Device [Silicon Laboratories CP2112 HID USB-to-SMBus Bridge]
on usb-0000:00:1d.0-1/input0
May 3 16:11:55 iot01f kernel: [6163514.940337] cp2112 0003:10C4:EA90.0019: Part
Number: 0x0C Device Version: 0x02
May 3 16:11:56 iot01f upowerd[22466]: unhandled action 'unbind' on /sys/devices
/pci0000:00/0000:00:1d.0/usb2/2-1/2-1:1.0/0003:10C4:EA90.0018
May 3 16:11:56 iot01f upowerd[22466]: unhandled action 'unbind' on /sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1:1.0
May 3 16:11:56 iot01f upowerd[22466]: unhandled action 'unbind' on /sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1
May 3 16:11:56 iot01f mtp-probe: checking bus 2, device 32: "/sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1"
May 3 16:11:56 iot01f mtp-probe: bus: 2, device: 32 was not an MTP device
May 3 16:11:56 iot01f upowerd[22466]: unhandled action 'bind' on /sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1:1.0/0003:10C4:EA90.0019
May 3 16:11:56 iot01f upowerd[22466]: unhandled action 'bind' on /sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1:1.0
May 3 16:11:56 iot01f upowerd[22466]: unhandled action 'bind' on /sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1