** Description changed:

  [impact]
  
  lightdm's pam.d config includes an attempt to dlopen pam_kwallet.so as
  well as pam_kwallet5.so, however pam_wallet.so comes from pam-kwallet
  which died around Trusty (https://launchpad.net/ubuntu/+source/pam-
  kwallet) while pam_kwallet5.so comes from kwallet-pam which provides
  only the newer '5' version, not the older unversioned library file.
  
  This results in repeated spam error messages in the system log
  complaining about failure to load pam_kwallet.so
  
  [test case]
  
  install/enable lightdm and check system log at boot for messages like:
  
  Nov 04 18:17:47 thrain lightdm[2510]: PAM unable to dlopen(pam_kwallet.so): 
/lib/security/pam_kwallet.so: cannot open shared object file: No such file or 
directory
  Nov 04 18:17:47 thrain lightdm[2510]: PAM adding faulty module: pam_kwallet.so
  
  [regression potential]
  
  any regression would likely cause problems during login and/or missing
  or extra log messages during pam authentication.
  
  [scope]
  
  this is needed in all releases
+ 
+ [other info]
+ 
+ https://github.com/canonical/lightdm/pull/216

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https://bugs.launchpad.net/bugs/1949970

Title:
  attempt to dlopen nonexistent pam_kwallet.so spams log

Status in lightdm package in Ubuntu:
  New
Status in lightdm source package in Focal:
  New
Status in lightdm source package in Hirsute:
  New
Status in lightdm source package in Impish:
  New
Status in lightdm source package in Jammy:
  New

Bug description:
  [impact]

  lightdm's pam.d config includes an attempt to dlopen pam_kwallet.so as
  well as pam_kwallet5.so, however pam_wallet.so comes from pam-kwallet
  which died around Trusty (https://launchpad.net/ubuntu/+source/pam-
  kwallet) while pam_kwallet5.so comes from kwallet-pam which provides
  only the newer '5' version, not the older unversioned library file.

  This results in repeated spam error messages in the system log
  complaining about failure to load pam_kwallet.so

  [test case]

  install/enable lightdm and check system log at boot for messages like:

  Nov 04 18:17:47 thrain lightdm[2510]: PAM unable to dlopen(pam_kwallet.so): 
/lib/security/pam_kwallet.so: cannot open shared object file: No such file or 
directory
  Nov 04 18:17:47 thrain lightdm[2510]: PAM adding faulty module: pam_kwallet.so

  [regression potential]

  any regression would likely cause problems during login and/or missing
  or extra log messages during pam authentication.

  [scope]

  this is needed in all releases

  [other info]

  https://github.com/canonical/lightdm/pull/216

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