Yes, I have had this bug on a system without any RAID (neither hardware nor mdraid) running Lucid amd64. And I can reproduce it on that particular box.
r...@lxbsc02:~# lvs LV VG Attr LSize Origin Snap% Move Log Copy% Convert azureus wdc750g -wi-ao 300,00g home wdc750g -wi-ao 40,00g kvm-winxp wdc750g -wi-a- 20,00g root wdc750g -wi-ao 20,00g swap wdc750g -wi-ao 4,00g torrent wdc750g -wi-ao 200,00g r...@lxbsc02:~# lvcreate -s -L 2G -n kvm-winxp-fresh wdc750g/kvm-winxp Logical volume "kvm-winxp-fresh" created r...@lxbsc02:~# grub-install /dev/sda /usr/sbin/grub-probe: error: no mapping exists for `wdc750g-root'. Auto-detection of a filesystem module failed. Please specify the module with the option `--modules' explicitly. r...@lxbsc02:~# lvremove wdc750g/kvm-winxp-fresh Do you really want to remove active logical volume kvm-winxp-fresh? [y/n]: y Logical volume "kvm-winxp-fresh" successfully removed r...@lxbsc02:~# grub-install /dev/sda Installation finished. No error reported. Oddly enough I cannot reproduce it on my system at home, which is also running Lucid. r...@pest:~# lvs LV VG Attr LSize Origin Snap% Move Log Copy% Convert btrfs wdc -wi-a- 32,00g home wdc -wi-ao 16,00g karmic wdc -wi-ao 16,00g karmicold wdc -wi-a- 16,00g swap wdc -wi-ao 2,00g videos wdc -wi-a- 100,00g vm-winxp wdc -wi-a- 21,00g r...@pest:~# lvcreate -s -L 2G -n kvm-winxp-fresh wdc750g/vm-winxp Volume group "wdc750g" not found r...@pest:~# grub-install /dev/sda error: cannot open `/dev/sdb' while attempting to get disk size. error: cannot open `/dev/sdb' while attempting to get disk size. error: cannot open `/dev/sdb' while attempting to get disk size. error: cannot open `/dev/sdb' while attempting to get disk size. error: cannot open `/dev/sdb' while attempting to get disk size. error: cannot open `/dev/sdb' while attempting to get disk size. Installation finished. No error reported. Yes, the VG/LV names are a bit different. I tried making the snapshot LV name very long, did not change anything. -- grub2 fails to boot or install when an LVM snapshot exists https://bugs.launchpad.net/bugs/563895 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
