To rule out kernel involvement, I took the same 'root-image' and ran this on utopic:
# these downloaded trusty versions [https://launchpad.net/ubuntu/+source/e2fsprogs] $ sudo dpkg -i e2fslibs_1.42.9-3ubuntu1_amd64.deb $ sudo dpkg -i e2fsprogs_1.42.9-3ubuntu1_amd64.deb $ resize2fs -P /tmp/root-image resize2fs 1.42.9 (4-Feb-2014) Estimated minimum size of the filesystem: 274500 And then quickly checking that 'apt-get install e2fsprogs' installs utopic version 1.42.10 and: $ resize2fs -P /tmp/root-image resize2fs 1.42.10 (18-May-2014) Estimated minimum size of the filesystem: 358400 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1415077 Title: resize2fs behavior differs greatly between trusty and utopic and vivid To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/e2fsprogs/+bug/1415077/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
