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 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1264378 Title: grub-probe warning when using root on top of extended volume group To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub/+bug/1264378/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs