Failed to Find Devices

Application Scenario

  • Service Scenario: camera image output
  • Applicable processor: Atlas 200I/500 A2 inference product
  • Processor forms: EP and RC

Symptom

The message open ISP device error! is displayed. The error code 0xa01c8040 is returned.

Possible Cause

The ISP .ko driver is not inserted.

Solution

  1. Run the lsmod command to check whether the .ko driver is inserted.
  2. Run the following command to re-insert the AO-related .ko driver:
    insmod /var/davinci/driver/drv_isp.ko
  3. Perform the camera service again.