When initiating an nfs mount, why do I see "dir_notify_handler: sig 37 si" as part of the output?

Solution Verified - Updated -

Issue

When initiating an nfs mount to a Windows server 2012 system, after configuring

SECURE_NFS="yes"

and

RPCGSSDARGS="-v -v -v"

in file /etc/sysconfig/nfs I see following output:

hostname rpc.gssd[6501]: dir_notify_handler: sig 37 si 0x7fff3b86a7f0 data 0x7fff3b86a6c0
hostname rpc.gssd[6501]: dir_notify_handler: sig 37 si 0x7fff3b86a7f0 data 0x7fff3b86a6c0
hostname rpc.gssd[6501]: dir_notify_handler: sig 37 si 0x7fff3b86a7f0 data 0x7fff3b86a6c0
hostname rpc.gssd[6501]: dir_notify_handler: sig 37 si 0x7fff3b8660b0 data 0x7fff3b865f80
hostname rpc.gssd[6501]: dir_notify_handler: sig 37 si 0x7fff3b8660b0 data 0x7fff3b865f80
hostname rpc.gssd[6501]: dir_notify_handler: sig 37 si 0x7fff3b8660b0 data 0x7fff3b865f80
hostname rpc.gssd[6501]: destroying client /var/lib/nfs/rpc_pipefs/nfs/clnt35
hostname rpc.gssd[6501]: destroying client /var/lib/nfs/rpc_pipefs/nfs/clnt34

Environment

  • Red Hat Enterprise Linux (RHEL) 6 as nfs client
  • Microsoft Windows 8 / Windows server 2012 as nfs server
  • kerberos

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