It appears that this only resolved problems when grub was being installed to another partition. There is still some breakage when trying to install it to the same one as booted. Here's /proc/self/mountinfo from a failing system with an ISO built on 1/18 (Grub2 1.99~20110112-1ubuntu1).
14 22 0:14 / /sys rw,nosuid,nodev,noexec,relatime - sysfs none rw 15 22 0:3 / /proc rw,nosuid,nodev,noexec,relatime - proc none rw 16 22 0:5 / /dev rw,relatime - devtmpfs none rw,size=375128k,nr_inodes=93782,mode=755 17 16 0:11 / /dev/pts rw,nosuid,noexec,relatime - devpts none rw,gid=5,mode=620,ptmxmode=000 18 14 0:15 / /sys/fs/fuse/connections rw,relatime - fusectl fusectl rw 19 22 8:2 / /cdrom rw,noatime - vfat /dev/sda2 rw,fmask=0022,dmask=0022,codepage=cp437,iocharset=iso8859-1,shortname=mixed,errors=remount-ro 20 22 7:0 / /rofs ro,noatime - squashfs /dev/loop0 ro 22 1 0:17 / / rw,noatime - aufs aufs rw,si=f7804fb4 23 14 0:7 / /sys/kernel/debug rw,relatime - debugfs none rw 24 14 0:10 / /sys/kernel/security rw,relatime - securityfs none rw 25 16 0:18 / /dev/shm rw,nosuid,nodev,relatime - tmpfs none rw 26 22 0:19 / /tmp rw,nosuid,nodev,relatime - tmpfs tmpfs rw 27 22 0:20 / /var/run rw,nosuid,relatime - tmpfs none rw,mode=755 28 22 0:21 / /var/lock rw,nosuid,nodev,noexec,relatime - tmpfs none rw 29 15 0:22 / /proc/sys/fs/binfmt_misc rw,nosuid,nodev,noexec,relatime - binfmt_misc binfmt_misc rw ** This bug is no longer a duplicate of bug 700147 grub-probe fails to find grub device for uuid (raid) ** Changed in: grub2 (Ubuntu) Status: Fix Released => New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/700910 Title: Unable to install GRUB2 to the same device as contains aufs in natty -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs