Comment 3 for bug 278842

strace of unlocking attempt:

stat("/etc/pam.d", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
open("/etc/pam.d/kde", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/etc/pam.d/other", O_RDONLY) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=121, ...}) = 0