[Bug 1434892] [NEW] 15.04 - nightly (21 March 15) - installer hangs after the 'prepare' section (doesn't get to 'Disk setup'

Sat Mar 21 21:36:52 UTC 2015

Public bug reported:

I tried to install Kubuntu 15.04 nightly  AMD64 (21 March 2015)

The installer hangs after selecting '3rd party software' / 'Download
updates while installing' - it doesn't get to  'Disk setup'

The 'workaround' is to cancel, start the installer again and it will get
to disk setup and finish the install.

I have recreated the issue over 4 times, as soon as you cancel the next
time it succeeds.

I hopefully have attached system logs , but here are the last 40 lines in syslog:-
----------------------------------------------------------------------------------------------------------
root at kubuntu:/home/kubuntu# tail -40 /var/log/syslog 

Mar 21 21:08:34 kubuntu ubiquity: Setting up libquadmath0:amd64 (4.9.2-10ubuntu9) ...
Mar 21 21:08:34 kubuntu ubiquity: Setting up librsvg2-2:amd64 (2.40.8-1) ...
Mar 21 21:08:34 kubuntu ubiquity: Setting up libsignon-glib1 (1.12+15.04.20141209-0ubuntu1) ...
Mar 21 21:08:34 kubuntu ubiquity: Setting up libtsan0:amd64 (4.9.2-10ubuntu9) ...
Mar 21 21:08:34 kubuntu ubiquity: Setting up libubsan0:amd64 (4.9.2-10ubuntu9) ...
Mar 21 21:08:34 kubuntu ubiquity: Setting up liburl-dispatcher1:amd64 (0.1+15.04.20150123-0ubuntu1) ...
Mar 21 21:08:34 kubuntu ubiquity: Setting up libwacom-common (0.11+dfsg-0ubuntu1) ...
Mar 21 21:08:34 kubuntu ubiquity: Setting up libwacom2:amd64 (0.11+dfsg-0ubuntu1) ...
Mar 21 21:08:34 kubuntu ubiquity: Setting up lightdm (1.13.2-0ubuntu1) ...
Mar 21 21:08:34 kubuntu ubiquity: debconf: unable to initialize frontend: Dialog
Mar 21 21:08:34 kubuntu ubiquity: debconf: (TERM is not set, so the dialog frontend is not usable.)
Mar 21 21:08:34 kubuntu ubiquity: debconf: falling back to frontend: Readline
Mar 21 21:08:34 kubuntu ubiquity: debconf: unable to initialize frontend: Readline
Mar 21 21:08:34 kubuntu ubiquity: debconf: (This frontend requires a controlling tty.)
Mar 21 21:08:34 kubuntu ubiquity: debconf: falling back to frontend: Teletype
Mar 21 21:08:34 kubuntu ubiquity: Use of uninitialized value $template in exists at /usr/share/perl5/Debconf/Template.pm line 81, <GEN0> chunk 2.
Mar 21 21:08:34 kubuntu ubiquity: Use of uninitialized value $item in exists at /usr/share/perl5/Debconf/DbDriver/Cache.pm line 39, <GEN0> chunk 2.
Mar 21 21:08:34 kubuntu ubiquity: Use of uninitialized value $item in exists at /usr/share/perl5/Debconf/DbDriver/Cache.pm line 39, <GEN0> chunk 2.
Mar 21 21:08:34 kubuntu ubiquity: Configuring lightdm
Mar 21 21:08:34 kubuntu ubiquity: -------------------
Mar 21 21:08:34 kubuntu ubiquity: 
Mar 21 21:08:34 kubuntu ubiquity: A display manager is a program that provides graphical login capabilities for
Mar 21 21:08:34 kubuntu ubiquity: the X Window System.
Mar 21 21:08:34 kubuntu ubiquity: 
Mar 21 21:08:34 kubuntu ubiquity: Only one display manager can manage a given X server, but multiple display
Mar 21 21:08:34 kubuntu ubiquity: manager packages are installed. Please select which display manager should run
Mar 21 21:08:34 kubuntu ubiquity: by default.
Mar 21 21:08:34 kubuntu ubiquity: 
Mar 21 21:08:34 kubuntu ubiquity: Multiple display managers can run simultaneously if they are configured to
Mar 21 21:08:34 kubuntu ubiquity: manage different servers; to achieve this, configure the display managers
Mar 21 21:08:34 kubuntu ubiquity: accordingly, edit each of their init scripts in /etc/init.d, and disable the
Mar 21 21:08:34 kubuntu ubiquity: check for a default display manager.
Mar 21 21:08:34 kubuntu ubiquity: 
Mar 21 21:08:34 kubuntu ubiquity: 1. lightdm 2. sddm
Mar 21 21:08:34 kubuntu ubiquity: 
Mar 21 21:08:34 kubuntu ubiquity: Default display manager:
Mar 21 21:17:01 kubuntu CRON[16471]: (root) CMD ( cd / && run-parts --report /etc/cron.hourly)
Mar 21 21:20:40 kubuntu systemd[1]: Starting Cleanup of Temporary Directories...
Mar 21 21:20:40 kubuntu systemd-tmpfiles[16474]: [/usr/lib/tmpfiles.d/var.conf:14] Duplicate line for path "/var/log", ignoring.
Mar 21 21:20:40 kubuntu systemd[1]: Started Cleanup of Temporary Directories.

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and last 40 lines in installer debug

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root at kubuntu:/home/kubuntu# tail -40 /var/log/installer/debug 

Ubiquity 2.21.16
TEXT If more than one person will use this computer, you can set up multiple accounts after installation.
TEXT Enter the same password twice, so that it can be checked for typing errors.
TEXT The name it uses when it talks to other computers.
TEXT If more than one person will use this computer, you can set up multiple accounts after installation.
TEXT Enter the same password twice, so that it can be checked for typing errors.
TEXT The name it uses when it talks to other computers.
QSocketNotifier: Invalid socket 16 and type 'Read', disabling...
QSocketNotifier: Invalid socket 16 and type 'Exception', disabling...
QSocketNotifier: Invalid socket 16 and type 'Write', disabling...
Your console font configuration will be updated the next time your system
boots. If you want to update it now, run 'setupcon' from a virtual console.
update-rc.d: warning: start and stop actions are no longer supported; falling back to defaults
update-initramfs is disabled since running on read-only media
debconf: DbDriver "passwords" warning: could not open /var/cache/debconf/passwords.dat: Permission denied
Ubiquity 2.21.16
QCoreApplication::postEvent: Unexpected null receiver
TEXT If more than one person will use this computer, you can set up multiple accounts after installation.
TEXT Enter the same password twice, so that it can be checked for typing errors.
TEXT The name it uses when it talks to other computers.
TEXT If more than one person will use this computer, you can set up multiple accounts after installation.
TEXT Enter the same password twice, so that it can be checked for typing errors.
TEXT The name it uses when it talks to other computers.
QSocketNotifier: Invalid socket 16 and type 'Read', disabling...
QSocketNotifier: Invalid socket 16 and type 'Exception', disabling...
QSocketNotifier: Invalid socket 16 and type 'Write', disabling...

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Thought id pass this on in case it helped the final release

(Plasma 5.2 is looking really nice !)

ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: ubiquity-frontend-kde 2.21.16 [modified: usr/share/applications/kde4/ubiquity-kdeui.desktop]
ProcVersionSignature: Ubuntu 3.19.0-9.9-generic 3.19.1
Uname: Linux 3.19.0-9-generic x86_64
ApportVersion: 2.16.2-0ubuntu4
Architecture: amd64
CasperVersion: 1.355
CurrentDesktop: KDE
Date: Sat Mar 21 21:13:27 2015
InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/kubuntu.seed boot=casper maybe-ubiquity quiet splash ---
LiveMediaBuild: Kubuntu 15.04 "Vivid Vervet" - Alpha amd64 (20150321)
PackageArchitecture: all
SourcePackage: ubiquity
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: ubiquity (Ubuntu)
     Importance: Undecided
         Status: New

** Tags: amd64 apport-bug kubuntu ubiquity-2.21.16 vivid

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https://bugs.launchpad.net/bugs/1434892

Title:
  15.04 - nightly (21 March 15) - installer hangs after the 'prepare'
  section (doesn't get to 'Disk setup'

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