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[Bug 1059254] Re: Lightdm fails to start session…

 

I am having a problem with a "similar" issue as the OP on my iBook G4
running Lu 14.04 . . . after running a recent update/upgrade with only 3
or 4 items listed, "dbus" was one I remember . . . screen went black . .
. tried to do something in TTY console to "restart" . . . then wound up
shutting down.  On reboot the lightdm window loads, when I add my
password, the screen goes black, then the lightdm window loads again . .
. .  Using "guest" to log in gets me into a GUI that works . . . can't
log in as admin/user.

Booted into "recovery" and ran through the dpkg & fsck & network
enabling . . . a few times, there were numerous errors that showed up .
. . problem was not fixed . . . .

F

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https://bugs.launchpad.net/bugs/1059254

Title:
  Lightdm fails to start session…

Status in lightdm package in Ubuntu:
  Invalid

Bug description:
  Hi,

  This bug appears right after upgrading to Quantal.  Lightdm works well, but when I try to login, a console screen with a lot of text is openned, then the Lightdm screen reappears immediately.  I thus cannot open my session graphically in Quantal (while I never expererienced such thing in Precise).
  Note that there is no problem when I try to connect in console mode (via tty1 for instance).

  What is strange about this is that I *can* open a graphical session as guest.  Maybe it's not because of Lightdm, but of some configuration file I have.  I used Gnome-shell before the upgrade, but it keeped crashing:  do you thing this is because Gnome-Shell crashes at launch?
  When I try to run “gnome-shell --replace” on a guest session (which is on Unity but default), I get a screen with window, but no window manager seems to be there (is that even possible?):  I cannot interact with other window than the one I focus into, and I cannot change such a focus…

  If that can help, here is a bug report of another problem I
  encountered while upgrading:
  https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-
  upgrader/+bug/1059231 .  Maybe it's linked?

  Shall I report a bug against Gnome-Shell rather than Lightdm?  If it
  really is Gnome-shell that cause this bug, it would be nice from
  Lightdm to display a message informing that the window manager
  crashed, so that we can report a bug directly against it ;-)

  Hoping it can help,
  Martin.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.10
  Package: lightdm 1.3.3-0ubuntu4
  ProcVersionSignature: Ubuntu 3.5.0-16.25-generic 3.5.4
  Uname: Linux 3.5.0-16-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.5.3-0ubuntu1
  Architecture: amd64
  CheckboxSubmission: 01a18e0a74cbde3d34a62f62830ed079
  CheckboxSystem: f134069bba098730d27f59b402920826
  Date: Sun Sep 30 22:01:45 2012
  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
  SourcePackage: lightdm
  UpgradeStatus: Upgraded to quantal on 2012-09-30 (0 days ago)

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