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This regression was introduced in rhel-7.2 also, in autofs
revision 49.

+++ This bug was initially created as a clone of Bug #1263505 +++

Description of problem:

Due to a change to program map environment variable naming
that was included in RHEL-6.7 heavy program map usage can
lead to an automount(8) hang.

Version-Release number of selected component (if applicable):
autofs-5.0.5-113.

The problem was introduced in autofs revision 111.

--- Additional comment from Ian Kent on 2015-09-15 22:37:15 EDT ---

Upstream fix, still needs to be back ported.

Created attachment 1073883 [details]
Patch - fix out of order call in program map lookup

Upstream fix, still needs to be back ported.

This topic include the detail info about this bug.

http://www.spinics.net/lists/autofs/msg01050.html

Created attachment 1074323 [details]
Patch - fix out of order call in program map lookup (updated)

Updated patch for RHEL-7 package.

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.

https://rhn.redhat.com/errata/RHSA-2015-2417.html