我无法登录锁定的 Ubuntu 14.04 会话 Unity。
输出/var/log/auth.log：
Apr 18 15:10:45 trusty-1 unix_chkpwd[3171]: check pass; user unknown
Apr 18 15:10:45 trusty-1 unix_chkpwd[3171]: password check failed for user (martin)
Apr 18 15:11:02 trusty-1 dbus[660]: [system] Rejected send message, 2 matched rules; type="method_return", sender=":1.13" (uid=0 pid=1328 comm="lightdm ") interface="(unset)" member="(unset)" error name="(unset)" requested_reply="0" destination=":1.67" (uid=1000 pid=2154 comm="/usr/lib/x86_64-linux-gnu/indicator-session/indica")
Apr 18 15:11:02 trusty-1 lightdm: PAM unable to dlopen(pam_kwallet.so): /lib/security/pam_kwallet.so: cannot open shared object file: No such file or directory
Apr 18 15:11:02 trusty-1 lightdm: …14.04 ×1