bug#35136: Git master installer disk-image has GPT PMBR size mismatch

[pelzflorian (Florian Pelz)]

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:

address@hidden ~ [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

address@hidden ~ [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