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[Bug 1369250] Re: Blackscreen; lightdm not starting up after update

 

Some notes:
  1) The contents of /var/log/lightdm.log aren't being touched - so perhaps it's not getting that far?
  2) Hmm /var/log/upstart/lightdm.log

root@davros:/var/log/upstart# more lightdm.log
/proc/self/fd/9: 24: exec: lightdm: not found
/proc/self/fd/9: 24: exec: lightdm: not found
/proc/self/fd/9: 24: exec: lightdm: not found
/proc/self/fd/9: 24: exec: lightdm: not found
/proc/self/fd/9: 24: exec: lightdm: not found
/proc/self/fd/9: 24: exec: lightdm: not found
/proc/self/fd/9: 24: exec: lightdm: not found
/proc/self/fd/9: 24: exec: lightdm: not found
/proc/self/fd/9: 24: exec: lightdm: not found

hmmmmmm; it looks like the lightdm packages got uninstalled (I did do an
autoremove after the update  so I suspect a dependency has gone); but
given that log it looks like something was still trying to start lightdm
and it hadn't updated to select a new dm.   So that's still a bug - but
not sure where; removing lightdm shouldn't try and start it.

-- 
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Touch seeded packages, which is subscribed to lightdm in Ubuntu.
https://bugs.launchpad.net/bugs/1369250

Title:
  Blackscreen; lightdm not starting up after update

Status in “lightdm” package in Ubuntu:
  New

Bug description:
  Hi,
    As of today lightdm isn't managing to start at all (blackscreen after the boot); if I log
  in on the console and then startx it's fine.

    This machine was upgraded to Utopic a month or ago and has been working fine; I did
  an apt-get update && apt-get dist-upgrade yeterday and it's the first reboot since then.

  Note: This machine is running KDE Framework 5 desktop

  ProblemType: Bug
  DistroRelease: Ubuntu 14.10
  Package: lightdm (not installed)
  ProcVersionSignature: Ubuntu 3.16.0-14.20-generic 3.16.2
  Uname: Linux 3.16.0-14-generic x86_64
  ApportVersion: 2.14.7-0ubuntu2
  Architecture: amd64
  Date: Sun Sep 14 12:14:34 2014
  InstallationDate: Installed on 2013-11-15 (302 days ago)
  InstallationMedia: Ubuntu-Server 14.04 LTS "Trusty Tahr" - Alpha amd64 (20131115)
  SourcePackage: lightdm
  UpgradeStatus: Upgraded to utopic on 2014-06-28 (77 days ago)

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References