I am affected, too. Each time I want to log-in again after I locked the screen within unity, I need to select "Switch account". Direct re-log-in is not working. The session is restored successfully, but it's a workaround.
Set-Up: Ubuntu 14.04.3 LTS lightdm 1.10.5pam pamusb-tools 0.5.0-4 pamusb-common 0.5.0-4 Error message in auth.log: Aug 10 10:33:28 nauru compiz: PAM unable to dlopen(pam_usb.so): /lib/security/pam_usb.so: undefined symbol: pam_get_item Aug 10 10:33:28 nauru compiz: PAM adding faulty module: pam_usb.so Aug 10 10:33:34 nauru compiz: gkr-pam: unlocked login keyring Aug 10 10:33:37 nauru compiz: PAM unable to dlopen(pam_usb.so): /lib/security/pam_usb.so: undefined symbol: pam_get_item Aug 10 10:33:37 nauru compiz: PAM adding faulty module: pam_usb.so Aug 10 10:33:42 nauru dbus[523]: [system] Rejected send message, 2 matched rules; type="method_return", sender=":1.12" (uid=0 pid=1300 comm="lightdm ") interface="(unset)" member="(unset)" error name="(unset)" requested_reply="0" destination=":1.64" (uid=1000 pid=2863 comm="/usr/lib/x86_64-linux-gnu/indicator-session/indica") Is there anything else I could provide to help? -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to lightdm in Ubuntu. https://bugs.launchpad.net/bugs/1293058 Title: compiz: PAM unable to dlopen(pam_usb.so): /lib/security/pam_usb.so: cannot open shared object file: No such file or directory Status in Unity: Invalid Status in libpam-usb package in Ubuntu: Confirmed Status in lightdm package in Ubuntu: Confirmed Bug description: after resume from suspend/sleep mode i can't login via usb-stick and cannot login via password because my keyboard is unresponsive — not possible to change the input language. apt-cache policy compiz compiz: Installed: 1:0.9.11+14.04.20140310-0ubuntu1 Candidate: 1:0.9.11+14.04.20140310-0ubuntu1 Version table: *** 1:0.9.11+14.04.20140310-0ubuntu1 0 500 http://archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages 100 /var/lib/dpkg/status apt-cache policy libpam-usb libpam-usb: Installed: 0.5.0-4 Candidate: 0.5.0-4 Version table: *** 0.5.0-4 0 500 http://archive.ubuntu.com/ubuntu/ trusty/universe amd64 Packages 100 /var/lib/dpkg/status dpkg --listfiles libpam-usb /. /usr /usr/share /usr/share/pam-configs /usr/share/pam-configs/usb /usr/share/doc /usr/share/doc/libpam-usb /usr/share/doc/libpam-usb/README.Debian /usr/share/doc/libpam-usb/copyright /usr/share/doc/libpam-usb/NEWS.Debian.gz /lib /lib/x86_64-linux-gnu /lib/x86_64-linux-gnu/security /lib/x86_64-linux-gnu/security/pam_usb.so /usr/share/doc/libpam-usb/changelog.Debian.gz see also https://bugs.launchpad.net/ubuntu/+source/lightdm/+bug/1309535 To manage notifications about this bug go to: https://bugs.launchpad.net/unity/+bug/1293058/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp