Public bug reported:

Ubuntu 9.10 reporting Low Disk Space

I have a 4GB USB Flash drive with Ubuntu 9.10 installed in a single ext4 
partition:
     Swap = 768MB
     Root = 3.4 GB ( /dev/sdb1 )
I created a 25GB extended partition with a 2GB swap space and a 22GB ext4 root 
partition:
     Swap = 2GB
     Root = 22.45GB ( /dev/sda6 )

I used "dd if=/dev/sdb1 of=/dev/sda6" to copy root from the USB Flash to
the hard disk.

I booted into Ubuntu on /dev/sda6 without issue.

Ubuntu believes that swap on the hard disk is 2GB, that is correct.
Ubuntu is confused about the root partition on the hard disk in various ways.
"df -h" reports that root is roughly the same size as the partition on the USB 
Flash:
     Filesystem            Size  Used Avail Use% Mounted on
     /dev/sda6             3.4G  3.0G  191M  95% /
"gparted" reports that root is the correct size, 22.45GB, but incorrectly 
reports that 22.10GB is used and 363MB is available.

I am now receiving Low Disk Space messages.

What caused this anomaly and how can I correct this?

** Affects: ubuntu
     Importance: Undecided
         Status: New


** Tags: dd ext4 incorrect partition size

-- 
ext4 root filesystem space used/available incorrect after dd
https://bugs.launchpad.net/bugs/487703
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