Ubuntu
gdm package

Lucid to Precise: debconf prompt about which DM to use during upgrade

Bug #911813 reported by Jean-Baptiste Lallement
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
gdm (Ubuntu)
Fix Released
Medium
Martin Pitt
Precise
Fix Released
Medium
Martin Pitt

Bug Description

During the upgrade from lucid to precise a debconf prompt is shown to select which DM to use.
DM configuration was unchanged in Lucid.

Same bug was fixed in Oneiric (bug 806559)

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: lightdm 1.0.6-0ubuntu4
ProcVersionSignature: Ubuntu 3.2.0-7.13-generic 3.2.0-rc7
Uname: Linux 3.2.0-7-generic x86_64
ApportVersion: 1.90-0ubuntu1
Architecture: amd64
Date: Wed Jan 4 16:17:24 2012
InstallationMedia: Ubuntu 10.04.3 LTS "Lucid Lynx" - Release amd64 (20110720.1)
ProcEnviron:
 PATH=(custom, no user)
 LANG=fr_FR.UTF-8
 SHELL=/bin/bash
SourcePackage: lightdm
UpgradeStatus: Upgraded to precise on 2012-01-04 (0 days ago)

See original description
Revision history for this message
Jean-Baptiste Lallement (jibel) wrote :
description: updated
Changed in lightdm (Ubuntu Precise):
importance: Undecided → Medium
assignee: nobody → Canonical Desktop Team (canonical-desktop-team)
tags: added: dist-upgrade lucid2precise qa-daily-testing rls-mgr-p-tracking
Revision history for this message
Martin Pitt (pitti) wrote :

We currently check this:

if [ -z "$2" -a -n "$RELEASE_UPGRADE_IN_PROGRESS" ]; then
    db_set shared/default-x-display-manager lightdm
    db_fset shared/default-x-display-manager seen true
else
    db_input high shared/default-x-display-manager || :
    db_go || :
fi

update-manager sets $RELEASE_UPGRADE_IN_PROGRESS, so it seems in your upgrade method this wasn't set. Was your upgrade done using apt-get dist-upgrade? In that case we actually expect the prompt.

If it was from do-release-upgrade, it's meant to not show. We shouldn't have a previously installed lightdm in that case, so the -z "$2" part ought to be okay. Do you happen to have full logs from that upgrade still?

Thanks!

Revision history for this message
Jean-Baptiste Lallement (jibel) wrote :

I upgraded with update-manager -d

Here are the logs.

Revision history for this message
Martin Pitt (pitti) wrote :

Oh, I bet that was a debconf question from gdm, not from lightdm. I'll apply the corresponding fix there as well.

affects: lightdm (Ubuntu Precise) → gdm (Ubuntu Precise)
Changed in gdm (Ubuntu Precise):
assignee: Canonical Desktop Team (canonical-desktop-team) → Martin Pitt (pitti)
status: New → In Progress
Revision history for this message
Launchpad Janitor (janitor) wrote :

This bug was fixed in the package gdm - 3.0.4-0ubuntu13

---------------
gdm (3.0.4-0ubuntu13) precise; urgency=low

  * debian/gdm.config: Do not show debconf prompt during dist-upgrades.
    lightdm will be installed and should set itself as default WM.
    (LP: #911813)
 -- Martin Pitt <email address hidden> Fri, 06 Jan 2012 13:31:19 +0100

Changed in gdm (Ubuntu Precise):
status: In Progress → Fix Released
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