Confirmed patch from PPA https://launchpad.net/~nutznboltz/+archive/lucid-grub2-skip-lvm-snapshots fixes issue.
VM with patch via PPA installed booted despite snapshot: nutz@lp-563895:~$ dpkg -l |grep grub ii grub-common 1.98-1ubuntu12.1~ppa1~lucid1 GRand Unified Bootloader, version 2 (common ii grub-pc 1.98-1ubuntu12.1~ppa1~lucid1 GRand Unified Bootloader, version 2 (PC/BIOS nutz@lp-563895:~$ sudo lvs LV VG Attr LSize Origin Snap% Move Log Copy% Convert lv0 vg0 owi-ao 3.81g lvol0 vg0 swi-a- 1.71g lv0 0.17 swap vg0 -wi-ao 488.00m nutz@lp-563895:~$ df -h /boot Filesystem Size Used Avail Use% Mounted on /dev/mapper/vg0-lv0 3.9G 901M 3.0G 24% / -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/563895 Title: grub2 fails to boot or install when an LVM snapshot exists To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/563895/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs