Article ID: 000096546 Content Type: Troubleshooting Last Reviewed: 09/19/2023

Unable to Start the Intel® QuickAssist Technology (Intel® QAT) Service in Linux*

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Summary

Recommended steps to start troubleshooting possible issues with the Intel® QAT service not running.

Description
  • I get a QAT error: QAT: Could not find a device on node 0.
  • I had read that there was a QAT service, I don't know if I should set it up?
Resolution

If you are getting issues while trying to run the Intel® QAT service, make sure the following items are properly checked:

  1. Check if the Intel® QAT hardware is visible to the system by running the lspci command.
    1. For Hardware Version 1.x, run the following command: lspci -nn | egrep -e '8086:37c8|8086:19e2|8086:0435|8086:6f54'
    2. For Hardware Version 2.0, run the following command: lspci -nn | egrep -e '8086:4940|8086:4942'
  2. Check the correct Intel® QAT driver is being used for your respective Intel® QAT hardware. See more details in Which Intel® QuickAssist Technology (Intel® QAT) Driver Should Be Used Based on the Platform?
  3. Check the Intel® QAT driver is installed as instructed in the Getting Started Guide:
    1. For Hardware Version 1.x, consult Intel® QuickAssist Technology (Intel® QAT) Software for Linux* Getting Started Guide – Customer Enabling Release
    2. For Hardware Version 2.0, consult Intel® QuickAssist Technology (Intel® QAT) Software for Linux* Getting Started Guide – Hardware Version 2.0
  4. If all looks good, try to run the sample application code. The instructions to build and run the sample application code are explained in the Getting Started Guides mentioned above.

If after following the steps above you are still seeing errors, contact Intel Customer Support to receive further assistance.

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