Yes I am on 32bit Fedora LXDE. Seems to be the right bug report, I'll add my observations there

On April 7, 2017 9:20:55 AM GMT+03:00, Adam Williamson <adamwill@fedoraproject.org> wrote:
On Fri, 2017-04-07 at 07:58 +0300, Allan Mwenda wrote:
Someone please validate this for me before I post it on bugzilla.
On the LXDE spin of Fedora I can't properly manually assign space on
my hard drive. I can free it, but when I assign say 20GB to / I get
something like 8 MB as output. Editing the 8MB does the same thing.
In the end I just went with automatic assignment , it was getting
frustrating.

If you have an i686 image (not x86_64), this is probably:

https://bugzilla.redhat.com/show_bug.cgi?id=1375732

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