Thank you sir, this solved my problem. Cedar Maxwell
On Mon, 2025-07-07 at 19:42 +0100, James Madgwick wrote: > On Sun, 06 Jul 2025 23:05:48 +0200 > John Paul Adrian Glaubitz <[email protected]> wrote: > > > On Sun, 2025-07-06 at 15:06 -0500, Cedar Maxwell wrote: > > > Continue? [Y/n] y > > > (Reading database ... 494570 files and directories currently > > > installed.) > > > Removing linux-image-6.12.17-powerpc64 (6.12.17-1) ... > > > /etc/kernel/postrm.d/initramfs-tools: > > > update-initramfs: Deleting /boot/initrd.img-6.12.17-powerpc64 > > > /etc/kernel/postrm.d/zz-update-grub: > > > /usr/sbin/grub-mkconfig: 274: cannot create > > > /boot/grub/grub.cfg.new: > > > Read-only file system > > > > Your HFS boot filesystem has errors and was mounted read-only. > > > > You need to install hfsprogs, umount /boot/grub and then run > > "fsck.hfs /dev/sda2" where (sda2) is the partition of your HFS > > filesystem. (All from memory, please verify the actual paths are > > correct). > > > > There are some bugs in the HFS/HFS+ driver in the Linux kernel > > which > > may have caused this. These bugs are now being worked on by new > > maintainers [1]. > > > > Adrian > > > > > [1] https://github.com/hfs-linux-kernel/hfs-linux-kernel/issues > > I experienced this exact problem yesterday when updating my system. > Adrian's instructions match with the commands I ran (as root) to get > it > fixed: > > umount /boot/grub > apt install hfsprogs > sudo fsck.hfs /dev/sda2 > mount /dev/sda2 /boot/grub -o rw > apt upgrade > > I used `dmesg | tail` to find why remounting with rw didn't work > initially. > > James

