[Bug 772270] Re: initramfs uses bad lvm lvname to mount /

[Launchpad Bug Tracker]

[Expired for initramfs-tools (Ubuntu) because there has been no activity
for 60 days.]

** Changed in: initramfs-tools (Ubuntu)
       Status: Incomplete => Expired

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Title:
  initramfs uses bad lvm lvname to mount /

Status in “initramfs-tools” package in Ubuntu:
  Expired

Bug description:
  Binary package hint: initramfs-tools

  First symptom : at boot, the message "No init found. Try passing init= bootarg."
  Boot fails.

  I'm upgrading to Natty from Maverick

  My configuration :
  /dev/sda1 : /boot
  /dev/sda5 : an encrypted luks volume containing an LVM physical volume

  the volume groupe name is "arwen", the logical volume name for / is "racine"
  the device containing rootfs is named /dev/mapper/arwen-racine

  hence, my grub menuentry looks like this :

  menuentry 'Ubuntu, avec Linux 2.6.38-8-generic' --class ubuntu --class gnu-linux --class gnu --class os {
   recordfail
   savedefault
   set gfxpayload=$linux_gfx_mode
   insmod part_msdos
   insmod ext2
   set root='(hd0,msdos1)'
   search --no-floppy --fs-uuid --set=root uuiduuid-uuid-uuid-uuid-uuiduuiduuid
   linux	/vmlinuz-2.6.38-8-generic root=/dev/mapper/arwen-racine ro   quiet splash vt.handoff=7
   initrd	/initrd.img-2.6.38-8-generic
  }

  Sometimes, the error is more verbose, I've get yesterday a message which said the system attempt to mount /dev/mapper/arwen on initramfs' /root, but it's a mistake, my rootfs is on /dev/mapper/arwen-racine.
  The root= kernel argument is correct, but an initramfs script mades a mistake.

  From initramfs' shell I've mounted my /boot partition, then create a new initrd.img hardcoding /dev/mapper/arwen-racine path on the  line 91 of scripts/local, then reboot, then choose my new initramfs from the grub editor…
  The boot does'nt complain and I'm writing this bug report from Natty. :)

  So, there is a bug in one script into initramfs which troncate the volume group name of / .
  I've not found where.

  ProblemType: Bug
  DistroRelease: Ubuntu 11.04
  Package: initramfs-tools 0.98.8ubuntu3
  ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
  Uname: Linux 2.6.38-8-generic x86_64
  Architecture: amd64
  Date: Thu Apr 28 12:21:09 2011
  InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release amd64 (20091027)
  PackageArchitecture: all
  ProcEnviron:
   LANGUAGE=fr_FR:en
   PATH=(custom, user)
   LANG=fr_FR.UTF-8
   SHELL=/bin/bash
  SourcePackage: initramfs-tools
  UpgradeStatus: Upgraded to natty on 2011-04-21 (6 days ago)

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