[Bug 803932] Re: plymouth-stop: race condition between rc RUNLEVEL=2 and display manager

[Steve Langasek]

** Changed in: plymouth (Ubuntu)
   Importance: Undecided => Low

** Changed in: plymouth (Ubuntu)
       Status: New => Triaged

** Changed in: plymouth (Ubuntu)
     Assignee: (unassigned) => James Hunt (jamesodhunt)

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Title:
  plymouth-stop: race condition between rc RUNLEVEL=2 and display
  manager

Status in “plymouth” package in Ubuntu:
  Triaged

Bug description:
  while debugging a different bug in lightdm, I noticed that the
  plymouth-stop job has a race condition.  If rc RUNLEVEL=2 is emitted
  at boot before 'starting lightdm' (etc), a subsequent 'starting
  lightdm' will not block on the plymouth-stop job to complete, possibly
  causing the DM to start up before plymouth has been stopped.  For a DM
  that doesn't properly integrate with plymouth, this could cause
  problems with VTs.

  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: plymouth 0.8.2-2ubuntu23
  ProcVersionSignature: Ubuntu 3.0-1.2-generic 3.0.0-rc3
  Uname: Linux 3.0-1-generic x86_64
  Architecture: amd64
  Date: Thu Jun 30 16:05:18 2011
  DefaultPlymouth: /lib/plymouth/themes/ubuntu-logo/ubuntu-logo.plymouth
  InstallationMedia: Ubuntu 10.04.1 LTS "Lucid Lynx" - Release amd64 (20100816.1)
  Lsusb:
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
   Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
   Bus 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
   Bus 002 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
  MachineType: LENOVO 3249CTO
  ProcEnviron:
   LANGUAGE=en_US:en
   PATH=(custom, user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.0-1-generic root=/dev/mapper/hostname-root ro quiet splash vt.handoff=7
  SourcePackage: plymouth
  TextPlymouth: /lib/plymouth/themes/ubuntu-text/ubuntu-text.plymouth
  UpgradeStatus: Upgraded to oneiric on 2011-06-27 (3 days ago)
  dmi.bios.date: 08/23/2010
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 6QET52WW (1.22 )
  dmi.board.name: 3249CTO
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Available
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: dmi:bvnLENOVO:bvr6QET52WW(1.22):bd08/23/2010:svnLENOVO:pn3249CTO:pvrThinkPadX201:rvnLENOVO:rn3249CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 3249CTO
  dmi.product.version: ThinkPad X201
  dmi.sys.vendor: LENOVO

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