[Bug 1264378] [NEW] grub-probe warning when using root on top of extended volume group

[Gunnar Thielebein]

Public bug reported:

This error message comes up when using update-grub. It is reproducable
100% the time when you extend a volume group, inside a lukscrypted
physical volume.

1. # vgextend ubuntu-vg <yournewpv>

2. # update-grub
Generating grub.cfg ...
/usr/sbin/grub-probe: warning: Couldn't find physical volume `pv0'. Some modules may be missing from core image..
Found linux image: /boot/vmlinuz-3.11.0-12-generic
Found initrd image: /boot/initrd.img-3.11.0-12-generic
/usr/sbin/grub-probe: warning: Couldn't find physical volume `pv0'. Some modules may be missing from core image..
Adding boot menu entry for EFI firmware configuration
done

usr/sbin/grub-probe: warning: Couldn't find physical volume `pv0'. Some
modules may be missing from core image

DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=13.10
DISTRIB_CODENAME=saucy
DISTRIB_DESCRIPTION="Ubuntu 13.10"

** Affects: grub (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: grub

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https://bugs.launchpad.net/bugs/1264378

Title:
  grub-probe warning when using root on top of extended volume group

Status in “grub” package in Ubuntu:
  New

Bug description:
  This error message comes up when using update-grub. It is reproducable
  100% the time when you extend a volume group, inside a lukscrypted
  physical volume.

  1. # vgextend ubuntu-vg <yournewpv>

  2. # update-grub
  Generating grub.cfg ...
  /usr/sbin/grub-probe: warning: Couldn't find physical volume `pv0'. Some modules may be missing from core image..
  Found linux image: /boot/vmlinuz-3.11.0-12-generic
  Found initrd image: /boot/initrd.img-3.11.0-12-generic
  /usr/sbin/grub-probe: warning: Couldn't find physical volume `pv0'. Some modules may be missing from core image..
  Adding boot menu entry for EFI firmware configuration
  done

  usr/sbin/grub-probe: warning: Couldn't find physical volume `pv0'.
  Some modules may be missing from core image

  DISTRIB_ID=Ubuntu
  DISTRIB_RELEASE=13.10
  DISTRIB_CODENAME=saucy
  DISTRIB_DESCRIPTION="Ubuntu 13.10"

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