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