Kernel 5.4 will fix it. https://lkml.org/lkml/2019/6/11/949
- Bug#939284: linux-image-4.19.0-5-arm64: missing /sys/dev... Sebastian Fiedler
- Bug#939284: missing /sys/devices/system/cpu/cpu0/cp... basti
Kernel 5.4 will fix it. https://lkml.org/lkml/2019/6/11/949