Hello,
it looks like pstore is not enabled in Arch Linux ARM Kernel:
$this->bbcode_second_pass_code('', '
[alarm@alarmpi ~]$ zgrep PSTORE /proc/config.gz
# CONFIG_PSTORE is not set')
is it possible to enable pstore in Arch Linux ARM Kernel config as it is in official one?
https://github.com/raspberrypi/linux/tree/rpi-4.19.y/fs/pstore