Hi,
We don’t observe the issue on Orin Nano developer kit. You may check the steps in
Jetson/L4T/r36.4.x patches - eLinux.org
Enable RT kernel and CONFIG_HZ_1000
Orin Nano Dev Kit: RT Kernel OTA on r36.4 w/ Jetpack 6.1and NVME SSD - #3 by DaneLLL
And give it a try.