Driver Health Diagnosis

Diagnose the health status of the driver and output the diagnosis result.

**Table 1** Diagnostic items
Item	Time Required	Whether NPU Training or Inference Is Affected	Application Scenario
Driver Health Diagnosis	2–7 seconds	No	Training or inference service rollout

Table 2 lists only a test-specific parameter. For details about other common parameters, see Common Parameters.

**Table 2** Parameter description
Parameter	Description			Mandatory
[-i, --items]	Specifies the diagnosis check item. driver indicates the driver health diagnosis.			Yes

ascend-dmi -dg -i driver

[***@***]# ascend-dmi -dg -i driver
Summary:
    Arch: aarch64
    Mode: ******
    Time: 20250529-19:19:35
 
Hardware:
    driver:
        HEALTH

**Table 3** Fault check items
Command Output	Description
HEALTH	The driver and firmware are properly installed, and the driver status is healthy.
GENERAL_WARN	General warning (For details, see the displayed error information.)
IMPORTANT_WARN	Important warning (For details, see the displayed error information.)
EMERGENCY_WARN	Emergency warning (For details, see the displayed error information.)
FAIL	The driver or firmware is incorrectly installed. Failed to read the driver health status.

Parent topic: Health Check