Comment 118 for bug 1311316

These lines appear as error meesages in auth.log
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Dec 10 07:26:10 ThinkPad dbus[724]: [system] Rejected send message, 7 matched rules; type="method_return", sender=":1.44" (uid=0 pid=1647 comm="/usr/sbin/dnsmasq --no-resolv --keep-in-foreground") interface="(unset)" member="(unset)" error name="(unset)" requested_reply="0" destination=":1.5" (uid=0 pid=799 comm="NetworkManager ")

Dec 10 10:43:06 ThinkPad unix_chkpwd[8658]: password check failed for user (xxxxxx)
Dec 10 10:43:06 ThinkPad compiz: pam_unix(lightdm:auth): authentication failure; logname= uid=1000 euid=1000 tty= ruser= rhost= user=xxxxxxxx

Dec 11 08:12:14 ThinkPad lightdm: PAM adding faulty module: pam_kwallet.so
Dec 11 08:12:14 ThinkPad lightdm: pam_unix(lightdm-greeter:session): session opened for user lightdm by (uid=0)
Dec 11 08:12:14 ThinkPad lightdm: pam_ck_connector(lightdm-greeter:session): nox11 mode, ignoring PAM_TTY :0
Dec 11 08:12:14 ThinkPad lightdm: PAM unable to dlopen(pam_kwallet.so): /lib/security/pam_kwallet.so: cannot open shared object file: No such file or directory
Dec 11 08:12:14 ThinkPad lightdm: PAM adding faulty module: pam_kwallet.so
Dec 11 08:12:14 ThinkPad lightdm: pam_succeed_if(lightdm:auth): requirement "user ingroup nopasswdlogin" not met by user "xxxxxxxx"

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Let me know if anyone needs more info.
This has become a real headache. I can't give up using dual monitors and also love ubuntu. Sometimes I have to restart my system few times in the day. I think it has something with SLEEP functionality.