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Description of problem:

'rpcdebug -m nfs -s state' does not work in rhel6 (I realize we can work around this by using 'echo 16834 > /proc/sys/sunrpc/nfs_debug', but I've already been bitten by this once because I asked a customer to use the rpcdebug command and then failed to get any data as a result).

Please add this commit to the rhel6 nfs-utils:

commit 55b1769e63cdffa07b597fa6132c9902cec25265
Author: Chuck Lever <chuck.lever>
Date:   Tue Jun 19 10:34:20 2012 -0400

    rpcdebug: Add new "state" flag for the nfs module
    
    Kernel 3.5 adds a debugging flag for showing NFS client debugging
    messages having to do with NFSv4 state operations.
    
    Signed-off-by: Chuck Lever <chuck.lever>
    Signed-off-by: Steve Dickson <steved>

verify:
  J:694109 	nfs-utils(1)-S-:/commands/utils/rpcdebug.0@2014-07-15_13:28:59.. -

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

http://rhn.redhat.com/errata/RHBA-2014-1407.html