Comment 5 for bug 566788

I ran into the same problem after upgrading to 10.04.

Here's /proc/self/mountinfo:

15 19 0:0 / /sys rw,nosuid,nodev,noexec,relatime - sysfs none rw
16 19 0:3 / /proc rw,nosuid,nodev,noexec,relatime - proc none rw
17 19 0:5 / /dev rw,relatime - devtmpfs none rw,size=2023880k,nr_inodes=505970,mode=755
18 17 0:12 / /dev/pts rw,nosuid,noexec,relatime - devpts none rw,gid=5,mode=620,ptmxmode=000
19 1 8:3 / / rw,relatime - ext3 /dev/disk/by-uuid/539db7ea-c0c3-4813-bee3-c58b460cacc9 rw,errors=remount-ro,data=ordered
20 15 0:15 / /sys/fs/fuse/connections rw,relatime - fusectl none rw
21 15 0:7 / /sys/kernel/debug rw,relatime - debugfs none rw
22 15 0:10 / /sys/kernel/security rw,relatime - securityfs none rw
23 17 0:16 / /dev/shm rw,nosuid,nodev,relatime - tmpfs none rw
24 19 0:17 / /var/run rw,nosuid,relatime - tmpfs none rw,mode=755
25 19 0:18 / /var/lock rw,nosuid,nodev,noexec,relatime - tmpfs none rw
26 19 0:19 / /lib/init/rw rw,nosuid,relatime - tmpfs none rw,mode=755
27 19 8:2 / /mnt/hardy rw,relatime - ext3 /dev/sda2 rw,errors=continue,data=ordered
28 27 0:5 / /mnt/hardy/dev rw,relatime - devtmpfs none rw,size=2023880k,nr_inodes=505970,mode=755
29 27 0:3 / /mnt/hardy/proc rw,nosuid,nodev,noexec,relatime - proc none rw
30 27 0:0 / /mnt/hardy/sys rw,nosuid,nodev,noexec,relatime - sysfs none rw
31 27 8:3 /tmp /mnt/hardy/tmp rw,relatime - ext3 /dev/disk/by-uuid/539db7ea-c0c3-4813-bee3-c58b460cacc9 rw,errors=remount-ro,data=ordered
32 19 8:2 /home /home rw,relatime - ext3 /dev/sda2 rw,errors=continue,data=ordered
33 19 8:5 / /mnt/jaunty32 rw,relatime - ext4 /dev/sda5 rw,barrier=1,data=ordered
34 33 8:2 /home /mnt/jaunty32/home rw,relatime - ext3 /dev/sda2 rw,errors=continue,data=ordered
35 33 0:5 / /mnt/jaunty32/dev rw,relatime - devtmpfs none rw,size=2023880k,nr_inodes=505970,mode=755
36 33 0:3 / /mnt/jaunty32/proc rw,nosuid,nodev,noexec,relatime - proc none rw
37 33 0:0 / /mnt/jaunty32/sys rw,nosuid,nodev,noexec,relatime - sysfs none rw
38 33 8:3 /tmp /mnt/jaunty32/tmp rw,relatime - ext3 /dev/disk/by-uuid/539db7ea-c0c3-4813-bee3-c58b460cacc9 rw,errors=remount-ro,data=ordered
39 16 0:20 / /proc/sys/fs/binfmt_misc rw,nosuid,nodev,noexec,relatime - binfmt_misc binfmt_misc rw