systemctl fails with "Failed to reload daemon: No buffer space available" message

Solution Verified - Updated -

Issue

  • systemctl fails to reload systemd with the following error message

    # systemctl daemon-reload
Failed to reload daemon: No buffer space available

  • systemctl enables or disables a service then fails with the following error message

    # systemctl disable <servicename>
Removed /etc/systemd/system/multi-user.target.wants/<servicename>.service.
Failed to reload daemon: No buffer space available

Environment

  • Red Hat Enterprise Linux (RHEL) 7 and later
    • systemd
    • systems with many devices (>= 20000)

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.

Current Customers and Partners

Log in for full access

Log In

New to Red Hat?

Learn more about Red Hat subscriptions

Using a Red Hat product through a public cloud?

How to access this content