[Bug 966480] Re: The prompt asking for media removal is not shown at the end of the installation

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On 2015-03-09T13:02:15+00:00 Chris Bainbridge wrote:

Regarding this bug:
https://bugs.launchpad.net/ubuntu/+source/casper/+bug/966480

The problem is that the Ubuntu plymouthd init script does the equivalent
of:

        /sbin/plymouthd --mode=shutdown
        /bin/plymouth show-splash

The second command would fail because of the race condition where
plymouthd forks and returns, but isn't actually ready to answer
connection requests.

The simple fix would be to modify the init script to wait until
plymouthd is ready:

        /sbin/plymouthd --mode=shutdown
        while ! plymouth --ping; do sleep 1; done
        /bin/plymouth show-splash

But does this make sense?
Should plymouthd really be returning before it is ready to answer requests?
It seems like this behaviour could cause bugs on other non-Ubuntu distributions too (e.g. bug #39774 looks the same)

Reply at:
https://bugs.launchpad.net/ubuntu/+source/casper/+bug/966480/comments/42


** Changed in: plymouth
       Status: Unknown => Confirmed

** Changed in: plymouth
   Importance: Unknown => Medium

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https://bugs.launchpad.net/bugs/966480

Title:
  The prompt asking for media removal is not shown at the end of the
  installation

Status in The Plymouth splash screen:
  Confirmed
Status in casper package in Ubuntu:
  Triaged
Status in plymouth package in Ubuntu:
  Triaged
Status in casper source package in Precise:
  Triaged
Status in plymouth source package in Precise:
  Triaged

Bug description:
  *** Edit ***
  This bug affects Ubuntu and other flavours as well and yes, it is alive and doing well with Saucy as well.

  See:
  https://bugs.launchpad.net/ubuntu/+source/casper/+bug/966480/comments/22

  *** End of Edit ***

  At the end of the installation, just after clicking on "Reboot Now" to
  restart the computer, the graphical environment is shut down and the
  TERM signal is sent, asking all processes to terminate. However, the
  prompt asking the user to remove the CD and press Enter is not shown
  (the CD is ejected, then the system hangs).

  Tested on today's (27 March 2012) KUbuntu Precise daily ISO in a VirtualBox VM (using VirtualBox 4.1.8, 1 GiB of RAM, 16 GiB HD, 4 CPUs, EFI disabled).
  ---
  ApportVersion: 1.95-0ubuntu1
  Architecture: amd64
  DistroRelease: Ubuntu 12.04
  InstallCmdLine: file=/cdrom/preseed/kubuntu.seed boot=casper maybe-ubiquity initrd=/casper/initrd.lz quiet splash -- debian-installer/language=it keyboard-configuration/layoutcode?=it
  InstallationMedia: Kubuntu 12.04 LTS "Precise Pangolin" - Beta amd64 (20120327)
  Package: ubiquity (not installed)
  ProcEnviron:
   LANGUAGE=
   TERM=xterm
   LANG=it_IT.UTF-8
   SHELL=/bin/bash
  ProcVersionSignature: Ubuntu 3.2.0-20.32-generic 3.2.12
  Tags:  precise ubiquity-2.10.3
  Uname: Linux 3.2.0-20-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

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