RHEL7: kernel log may get spammed with CIFS VFS: Send error in SessSetup = -126 due to no backoff when no valid kerberos key

Solution Verified - Updated -

Issue

  • CIFS with kerberos key invalid causes kernel log to be spammed with messages such as CIFS VFS: Send error in SessSetup = -126
[176985.801866] CIFS VFS: Send error in SessSetup = -126
[176985.801875] CIFS VFS: Send error in SessSetup = -126
[176989.157490] cifs_vfs_err: 410300 callbacks suppressed
[176989.157494] CIFS VFS: Send error in SessSetup = -126

Environment

  • Red Hat Enterprise Linux 7 (cifs client)
    • seen on kernel-3.10.0-957.3.1.el7
    • other RHEL7 kernels likely affected
  • cifs with kerberos

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