Disabling Cpu Mitigations; Re-Enabling Cpu Mitigations - Nvidia DGX A100 User Manual

4.8.2

Disabling CPU Mitigations

!
CAUTION: Performing the following instructions will disable the CPU mitigations provided by the
DGX OS Server software.
Install the nv-mitigations-off package.
1.
$ sudo apt install nv-mitigations-off -y
Reboot the system.
2.
Verify CPU mitigations are disabled.
3.
$ cat /sys/devices/system/cpu/vulnerabilities/*
The output should include several Vulnerable lines. See "Determining the CPU Mitigation State
of the DGX System" for example output.
4.8.3

Re-enabling CPU Mitigations

Remove the nv-mitigations-off package.
1.
$ sudo apt purge nv-mitigations-off
Reboot the system.
2.
Verify CPU mitigations are enabled.
3.
$ cat /sys/devices/system/cpu/vulnerabilities/*
The output should include several Mitigations lines. See "Determining the CPU Mitigation
State of the DGX System" for example output.
DGX A100 System
Quick Start and Basic Operation
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