Well that didn’t work for me.
Neither did the following:
$ flatpak run --user --filesystem=/vms/ org.gnome.BoxesDevel
machine.vala:644: Failed to start GNOME OS Nightly 4: Unable to start domain: internal error: process exited while connecting to monitor: 2021-03-01T05:23:11.183453Z qemu-system-x86_64: -device ide-cd,bus=ide.2,drive=libvirt-1-format,id=sata0-0-2,bootindex=1: Failed to lock byte 100
Not sure why.
The following worked though:
$ flatpak override --user --filesystem=/vms/ org.gnome.BoxesDevel
$ flatpak override --user --show org.gnome.BoxesDevel
[Context]
filesystems=/vms;
$ flatpak run org.gnome.BoxesDevel
Current status:
Both 'gnome_os_installer.iso' and 'gnome_os_installer_40.beta.iso' work in Boxes nightly flatpak.
Both ISOs fail to boot in Boxes 3.38.2-stable
Some quick debugging revealed that this might be due to EFI permission related issues, as below:
This issue is tracked here.
Thanks!