[Bug 682831] Re: lost console output early in boot

[Ubuntu QA Website]

This bug has been reported on the Ubuntu ISO testing tracker.

A list of all reports related to this bug can be found here:
http://iso.qa.ubuntu.com/qatracker/reports/bugs/682831

** Tags added: iso-testing

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https://bugs.launchpad.net/bugs/682831

Title:
  lost console output early in boot

Status in cloud-init package in Ubuntu:
  Fix Released
Status in linux-ec2 package in Ubuntu:
  Invalid
Status in plymouth package in Ubuntu:
  Fix Released
Status in cloud-init source package in Lucid:
  Won't Fix
Status in linux-ec2 source package in Lucid:
  Invalid
Status in plymouth source package in Lucid:
  Won't Fix

Bug description:
  Binary package hint: plymouth

  I see some lost output in the ec2 console log when I boot via pv-grub
  (meaning a kernel and ramdisk is loaded from inside the instance).

  Some info:
   * changing 'console=hvc0' to 'console=tty0' does not seem to change behavior
   * the "lost" messages are in /var/log/boot.log
   * disabling plymouth fixes the problem (sudo sh -c 'for x in /etc/init/plymouth*; do mv ${x} ${x}.disabled; done')
   * I found this when attempting to get lucid able to use pv-grub kernels (Bug 671103)
   * We saw a similar issue in maverick, but when adding 'console=hvc0' it went away (Bug 606373)

  Related bugs:
   * bug 1235231:  plymouth loses output to /dev/console (such as ci-info: messages) 

  ProblemType: Bug
  DistroRelease: Ubuntu 10.04
  Package: plymouth 0.8.2-2ubuntu2.2
  ProcVersionSignature: User Name 2.6.32-310.20-ec2 2.6.32.24+drm33.11
  Uname: Linux 2.6.32-310-ec2 i686
  Architecture: i386
  CurrentDmesg: [   13.731707] eth0: no IPv6 routers present
  Date: Mon Nov 29 19:37:00 2010
  DefaultPlymouth: Error: command ['readlink', '/etc/alternatives/default.plymouth'] failed with exit code 1:
  Ec2AMI: ami-8c0c5cc9
  Ec2AMIManifest: (unknown)
  Ec2AvailabilityZone: us-west-1b
  Ec2InstanceType: t1.micro
  Ec2Kernel: aki-99a0f1dc
  Ec2Ramdisk: unavailable
  Lspci:

  Lsusb: Error: command ['lsusb'] failed with exit code 1:
  ProcCmdLine: root=UUID=ce492d03-a18c-4075-871e-1631ed7e0244 ro console=hvc0
  ProcEnviron:
   PATH=(custom, user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB:

  ProcModules: ipv6 243034 10 - Live 0xe7a5f000
  SourcePackage: plymouth
  TextPlymouth: /lib/plymouth/themes/ubuntu-text/ubuntu-text.plymouth

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