Subject: Git master installer disk-image has GPT PMBR size mismatch

From: "pelzflorian (Florian Pelz)" <[email-masked]>
Date: Thu, 4 Apr 2019 07:33:17 +0200

Since commit 45c0d1d790f01ebc020fc4b2787a6abcdaa3f383 all install ISOs
created with

guix system disk-image --file-system-type=iso9660 gnu/system/install.scm

cannot boot for me, see

https://lists.gnu.org/archive/html/guix-devel/2019-04/msg00061.html

fdisk reports this:

florian@florianmacbook ~ [env]$ fdisk g1.iso # commit 391e0d65d7129d53c025963d2758724e75626eb4

Welcome to fdisk (util-linux 2.32.1).
Changes will remain in memory only, until you decide to write them.
Be careful before using the write command.

Command (m for help): q

florian@florianmacbook ~ [env]$ fdisk g2.iso # commit 45c0d1d790f01ebc020fc4b2787a6abcdaa3f383

Welcome to fdisk (util-linux 2.32.1).
Changes will remain in memory only, until you decide to write them.
Be careful before using the write command.

GPT PMBR size mismatch (3230583 != 3200895) will be corrected by write.

Command (m for help): q