[Bug 833783] Re: boot failure: can't open /root/dev/console: no such file

[Steve Langasek]

*** This bug is a duplicate of bug 818177 ***
    https://bugs.launchpad.net/bugs/818177

** This bug has been marked a duplicate of bug 818177
   boot failures because 'udevadm exit' does not kill udevd worker threads

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https://bugs.launchpad.net/bugs/833783

Title:
  boot failure: can't open /root/dev/console: no such file

Status in “udev” package in Ubuntu:
  Confirmed
Status in “udev” source package in Oneiric:
  Confirmed
Status in “udev” source package in Precise:
  Confirmed

Bug description:
  On a nova compute instance running in kvm the initial launch failed,
  with the last bit of the console like:

  Begin: Running /scripts/init-bottom ... [    1.230178] Refined TSC clocksource calibration: 2532.590 MHz.^M
  done.^M
  /init: line 348: can't open /root/dev/console: no such file^M
  [   60.921374] Kernel panic - not syncing: Attempted to kill init!^M
  [   60.922434] Pid: 1, comm: init Not tainted 3.0.0-9-virtual #14-Ubuntu^M
  [   60.923760] Call Trace:^M
  [   60.924236]  [<ffffffff815ea8e3>] panic+0x91/0x194^M
  [   60.925112]  [<ffffffff81062255>] forget_original_parent+0x245/0x250^M
  [   60.926242]  [<ffffffff81062277>] exit_notify+0x17/0x150^M
  [   60.927192]  [<ffffffff81062b7b>] do_exit+0x1fb/0x440^M
  [   60.928164]  [<ffffffff811653a0>] ? vfs_write+0x110/0x180^M
  [   60.929180]  [<ffffffff81062f64>] do_group_exit+0x44/0xa0^M
  [   60.930143]  [<ffffffff81062fd7>] sys_exit_group+0x17/0x20^M
  [   60.930772]  [<ffffffff81608fc2>] system_call_fastpath+0x16/0x1b^M

  
  It would seem that there is a race condition somewhere there, or for some reason /root/dev/console did not exist.

  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: initramfs-tools 0.99ubuntu2
  ProcVersionSignature: User Name 3.0.0-9.14-virtual 3.0.3
  Uname: Linux 3.0.0-9-virtual x86_64
  Architecture: amd64
  Date: Thu Aug 25 13:52:15 2011
  Ec2AMI: ami-0000004b
  Ec2AMIManifest: FIXME
  Ec2AvailabilityZone: nova
  Ec2InstanceType: <nova.db.sqlalchemy.models.InstanceTypes object at 0x4a49490>
  Ec2Kernel: aki-00000026
  Ec2Ramdisk: ari-00000028
  PackageArchitecture: all
  ProcEnviron:
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: initramfs-tools
  UpgradeStatus: No upgrade log present (probably fresh install)

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