I have a similar problem. I use LVM and I have several logical volumes with Ubuntu chroots and LXCs:
root@nsn7:~# lvs LV VG Attr LSize Pool Origin Data% Move Log Copy% Convert games vg0 -wi-ao-- 50,00g home vg0 -wi-ao-- 46,56g lucid-lxc vg0 -wi-a--- 500,00m lucid_i386_chroot vg0 -wi-a--- 5,00g nova vg0 -wi-a--- 10,00g postgresql vg0 -wi-ao-- 79,31g precise vg0 -wi-a--- 500,00m precise_i386_chroot vg0 -wi-a--- 5,00g quantal_i386_chroot vg0 -wi-a--- 5,00g raring-lxc vg0 -wi-a--- 500,00m raring-temp vg0 -wi-a--- 500,00m raring_i386_chroot vg0 -wi-a--- 5,00g root vg0 -wi-ao-- 1,86g swap vg0 -wi-ao-- 7,91g var vg0 -wi-ao-- 18,62g virt vg0 -wi-ao-- 50,00g My fstab: proc /proc proc nodev,noexec,nosuid 0 0 /dev/mapper/vg0-root / ext4 errors=remount-ro,barrier=0 0 1 # /boot was on /dev/sda1 during installation UUID=ec5d96d3-5e38-472d-9cfa-7945a3aa0022 /boot ext3 defaults 0 2 /dev/mapper/vg0-home /home ext4 defaults 0 2 # /usr was on /dev/sda2 during installation UUID=9e35743b-e9ad-46a5-8f9d-8567a649435b /usr ext4 defaults 0 2 /dev/mapper/vg0-var /var ext4 defaults 0 2 /dev/mapper/vg0-postgresql /var/lib/postgresql ext4 defaults 0 2 /dev/mapper/vg0-swap none swap sw 0 0 /dev/mapper/vg0-virt /var/lib/libvirt/images ext4 defaults 0 2 /dev/mapper/vg0-games /games ext4 defaults 0 2 Attached is what unity shows. ** Attachment added: "unity-lv-as-icons.png" https://bugs.launchpad.net/ubuntu/+source/udisks/+bug/1005854/+attachment/3441998/+files/unity-lv-as-icons.png -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1005854 Title: /boot partition shows up in Unity dock To manage notifications about this bug go to: https://bugs.launchpad.net/unity/+bug/1005854/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs