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I'm trying to find the cause of my slow boot time and so I checked the log file and found this from the time of restart:

Feb  4 00:54:17 blackbird3460 lightdm: PAM unable to dlopen(pam_kwallet.so): /lib/security/pam_kwallet.so: cannot open shared object file: No such file or directory
Feb  4 00:54:17 blackbird3460 lightdm: PAM adding faulty module: pam_kwallet.so
Feb  4 00:54:17 blackbird3460 lightdm: PAM unable to dlopen(pam_kwallet5.so): /lib/security/pam_kwallet5.so: cannot open shared object file: No such file or directory
Feb  4 00:54:17 blackbird3460 lightdm: PAM adding faulty module: pam_kwallet5.so
Feb  4 00:54:17 blackbird3460 lightdm: pam_unix(lightdm-greeter:session): session opened for user lightdm by (uid=0)

What is that?

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  • 1
    Please format the question Feb 3 '17 at 19:39
  • I formatted the question, so can you give a thumbs up now? Feb 8 '17 at 19:03
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According to this bug report the issue with pam_kwallet5.so occurs because you don't have kwallet installed (it's optional, and not necessary). From my own experience, it is possible to have this annoying and misleading error message without having a slow boot problem.

I think you need to look elsewhere for the cause of your slow boot problem. Try systemd-analyze blame or any other boot processes analyzers in order to find the real cause of your slow boot problem.

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