Public bug reported: Ubuntu Trusty is affected by a known issue in filefrag whereby incorrect block numbers are reported by the -e or -v options. I have specifically found the issue using filefrag on FAT partitions on Ubuntu Trusty.
The bug is fixed by this commit which first appears in e2fsprogs v1.42.12: http://git.kernel.org/cgit/fs/ext2/e2fsprogs.git/commit/?id=01824c9bbcd2c1037085213f6cd7d591f78db9c5 Debian jessie (stable) ships v1.42.12. Ubuntu vivid ships v1.42.12 also. ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: e2fsprogs 1.42.9-3ubuntu1.3 Uname: Linux 4.1.20-040120-generic x86_64 ApportVersion: 2.14.1-0ubuntu3.19 Architecture: amd64 CurrentDesktop: XFCE Date: Tue Mar 29 01:44:54 2016 InstallationDate: Installed on 2015-04-16 (347 days ago) InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1) SourcePackage: e2fsprogs UpgradeStatus: No upgrade log present (probably fresh install) ** Affects: e2fsprogs (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug trusty -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1563139 Title: filefrag bug requires update from 1.42.9 -> 1.42.12 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/e2fsprogs/+bug/1563139/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs