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[Bug 837285] Re: lightdm assert failure: lightdm: pam_mount.c:417: modify_pm_count: Assertion `user != ((void *)0)' failed.

 

Actually it seems like the bug is in pam or similar, not in lightdm: I
also get this message when attempting to use sudo, which is a completely
different program using pam.

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https://bugs.launchpad.net/bugs/837285

Title:
  lightdm assert failure: lightdm: pam_mount.c:417: modify_pm_count:
  Assertion `user != ((void *)0)' failed.

Status in “lightdm” package in Ubuntu:
  Confirmed
Status in “libpam-mount” package in Debian:
  Unknown

Bug description:
  Logged in with GNOME as session.

  ProblemType: Crash
  DistroRelease: Ubuntu 11.10
  Package: lightdm 0.9.3-0ubuntu8
  ProcVersionSignature: Ubuntu 3.0.0-9.14-generic 3.0.3
  Uname: Linux 3.0.0-9-generic x86_64
  NonfreeKernelModules: nvidia
  Architecture: amd64
  AssertionMessage: lightdm: pam_mount.c:417: modify_pm_count: Assertion `user != ((void *)0)' failed.
  CrashCounter: 1
  Date: Tue Aug 30 12:18:08 2011
  ExecutablePath: /usr/sbin/lightdm
  InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release amd64 (20100429)
  ProcCmdline: lightdm
  ProcEnviron: PATH=(custom, no user)
  Signal: 6
  SourcePackage: lightdm
  StacktraceTop:
   __GI___assert_fail (assertion=0x7f0c2294a63c "user != ((void *)0)", file=<optimized out>, line=417, function=<optimized out>) at assert.c:81
   ?? () from /lib/security/pam_mount.so
   pam_sm_close_session () from /lib/security/pam_mount.so
   ?? () from /lib/x86_64-linux-gnu/libpam.so.0
   ?? ()
  Title: lightdm assert failure: lightdm: pam_mount.c:417: modify_pm_count: Assertion `user != ((void *)0)' failed.
  UpgradeStatus: Upgraded to oneiric on 2011-08-19 (10 days ago)
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