kcheckpass fails due to not chmoded 4755

[Jim Peterson]

In a fresh install of Kubuntu 14.04 (brand new hard drive for root FS, old, 13.04 hard drive for /home), when I lock the screen via ctrl-alt-L or suspend and resume, the password entry box rejects my password with "unlocking failed". I've tracked this down to kcheckpass returning with an exit code of 1. When I did "sudo chmod 4755 /usr/lib/kde4/libexec/kcheckpass" as per this post: https://www.kubuntuforums.net/showthread.php?45163-kscreenlocker-authentication-failure , it works once again.

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: kde-workspace-bin 4:4.11.8-0ubuntu6
ProcVersionSignature: Ubuntu 3.13.0-24.46-generic 3.13.9
Uname: Linux 3.13.0-24-generic x86_64
ApportVersion: 2.14.1-0ubuntu3
Architecture: amd64
CurrentDesktop: KDE
Date: Fri Apr 25 13:24:14 2014
InstallationDate: Installed on 2014-04-22 (3 days ago)
InstallationMedia: Kubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140416.1)
ProcEnviron:
 LANGUAGE=en_US
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: kde-workspace
UpgradeStatus: No upgrade log present (probably fresh install)