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Re: Filesystem won't mount because of "unsupported optional features (80)"

On Sat, Feb 17, 2007 at 05:53:56PM -0500, Maurice Volaski wrote:
 Indeed, it appears that my initial assumption is correct. mke2fs
 contains ext4dev code and it erroneously applies the 64bit flag to
 filesystems > 2 TB by default.

Are you using the e2fsprogs-interim patchset version
e2fsprogs-1.39-tyt1?  It should only be used for ext4dev development,
and nothing else.  I'll look at fixing that bug in
e2fsprogs-1.39-tyt1, but that code base has a bunch of interim patches
that I'm currently in the process of reworking for e2fsprogs mainline
inclusion; it's there only for the convenience of ext4 developers.

I'm using Gentoo and it has e2fsprogs-1.39-r1. It says at http://bugs.gentoo.org/show_bug.cgi?id=156697 that this version contains a number of ext4 patches, but I'm not certain if it is equivalent to tyt1 or not.

Maurice Volaski, mvolaski aecom yu edu
Computing Support, Rose F. Kennedy Center
Albert Einstein College of Medicine of Yeshiva University

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