I should probably give some more details. Here is the bootloader config I'm using (bootloader (bootloader-configuration (bootloader grub-efi-bootloader) (targets (list "/boot/efi")) (keyboard-layout keyboard-layout))) My mounts look like: /dev/mapper/jake /mnt/jake # with -o subvol=guix /dev/mapper/jake /mnt/jake/swap # with -o subvol=swap /dev/sdb2 /mnt/jake/boot/efi I've been using the same system config without problem, and just changed the bootloader config to the above -zacchaeus On Tue, Sep 14, 2021 at 6:34 PM GNU bug Tracking System < help-debbugs@gnu.org> wrote: > Thank you for filing a new bug report with debbugs.gnu.org. > > This is an automatically generated reply to let you know your message > has been received. > > Your message is being forwarded to the package maintainers and other > interested parties for their attention; they will reply in due course. > > Your message has been sent to the package maintainer(s): > bug-guix@gnu.org > > If you wish to submit further information on this problem, please > send it to 50592@debbugs.gnu.org. > > Please do not send mail to help-debbugs@gnu.org unless you wish > to report a problem with the Bug-tracking system. > > -- > 50592: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=50592 > GNU Bug Tracking System > Contact help-debbugs@gnu.org with problems >