安定して動作しているため、放ったらかしになっていたRaspberry Piのファームウェアを更新した

設定メモ

Before

$ vcgencmd version
Aug 16 2018 17:31:30
Copyright (c) 2012 Broadcom
version 31e0613622dc2f2463bf3dd74e6c897d91201a4d (clean) (release)

rpi-updateコマンドを実行

$ sudo rpi-update
 *** Raspberry Pi firmware updater by Hexxeh, enhanced by AndrewS and Dom
 *** Performing self-update
 *** Relaunching after update
 *** Raspberry Pi firmware updater by Hexxeh, enhanced by AndrewS and Dom
#############################################################
This update bumps to rpi-4.14.y linux tree
Be aware there could be compatibility issues with some drivers
Discussion here:
https://www.raspberrypi.org/forums/viewtopic.php?f=29&t=197689
##############################################################
 *** Downloading specific firmware revision (this will take a few minutes)
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100   168    0   168    0     0    175      0 --:--:-- --:--:-- --:--:--   175
100 56.2M    0 56.2M    0     0   278k      0 --:--:--  0:03:26 --:--:--  240k
 *** Updating firmware
 *** Updating kernel modules
 *** depmod 4.14.97-v7+
 *** depmod 4.14.97+
 *** Updating VideoCore libraries
 *** Using HardFP libraries
 *** Updating SDK
 *** Running ldconfig
 *** Storing current firmware revision
 *** Deleting downloaded files
 *** Syncing changes to disk
 *** If no errors appeared, your firmware was successfully updated to 883750dcbdfb4be32d6bc579258a07c9f664ea77
 *** A reboot is needed to activate the new firmware

もしrpi-updateコマンドがインストールされていなければ

$ sudo apt -y install rpi-update

Raspberry Piを再起動

$ sudo reboot

After

$ vcgencmd version
Jan 22 2019 16:51:44
Copyright (c) 2012 Broadcom
version 7bfabcecab2918f85a2a217b389e256eac696962 (clean) (release) (start_cd)