This was strange. I had not seen this before :
run-parts: executing /etc/kernel/postinst.d/zz-update-grub 5.12.12-genunix /boot/vmlinux-5.12.12-genunix /usr/sbin/grub-mkconfig: 257: cannot create /boot/grub/grub.cfg.new: Read-only file system run-parts: /etc/kernel/postinst.d/zz-update-grub exited with return code 2 make[1]: *** [arch/powerpc/boot/Makefile:445: install] Error 1 make: *** [arch/powerpc/Makefile:409: install] Error 2 enceladus# ls -lap /boot/grub/ total 101 drwxr-xr-x 1 root root 10 Jun 11 03:42 ./ drwxr-xr-x 3 root root 4096 Jun 22 17:45 ../ drwxr-xr-x 1 root root 3 Apr 16 09:17 fonts/ -rw-r--r-- 1 root root 86272 May 10 19:44 grub -r--r--r-- 1 root root 11362 Jun 11 03:42 grub.cfg -rw-r--r-- 1 root root 1024 Apr 16 09:17 grubenv drwxr-xr-x 1 root root 42 May 10 19:44 locale/ -rw-r--r-- 1 root root 0 Apr 16 09:17 mach_kernel drwxr-xr-x 1 root root 216 May 10 19:44 powerpc-ieee1275/ drwxr-xr-x 1 root root 3 Apr 16 09:17 System/ enceladus# touch /boot/grub/foo touch: cannot touch '/boot/grub/foo': Read-only file system enceladus# Wow. How the heck did that happen? enceladus# blkid /dev/sdb1: LABEL="swap2" UUID="7c38680c-02c1-429e-876c-48357af6ccb8" TYPE="swap" PARTUUID="23af4d24-ca63-b34b-ada0-5ab4c20f4362" /dev/sdb2: UUID="967da6b0-8a05-4894-b44c-cafebd009c5b" BLOCK_SIZE="4096" TYPE="ext4" PARTUUID="e1aa5f9c-b575-3d4e-88e1-fc767d45009b" /dev/sda1: PARTLABEL="Apple" /dev/sda2: UUID="221a37cd-0cfb-3f7a-91da-78edee6f1382" LABEL="untitled" TYPE="hfs" PARTLABEL="untitled" /dev/sda3: UUID="be025229-d079-46ab-bf39-175a71ceea76" BLOCK_SIZE="4096" TYPE="ext4" PARTLABEL="untitled" /dev/sda4: UUID="9becc701-38d3-4468-b708-834280305893" TYPE="swap" PARTLABEL="swap" /dev/sda5: PARTLABEL="Extra" enceladus# OKay so the handling of HFS must be borked in some way. enceladus# enceladus# df -h Filesystem Size Used Avail Use% Mounted on udev 3.9G 0 3.9G 0% /dev tmpfs 800M 6.8M 793M 1% /run /dev/sda3 273G 14G 246G 6% / tmpfs 4.0G 0 4.0G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/sdb2 131G 38G 87G 31% /usr/local /dev/sda2 245M 11M 234M 5% /boot/grub tmpfs 800M 0 800M 0% /run/user/16411 enceladus# enceladus# uname -a Linux enceladus 5.12.10-genunix #1 SMP Fri Jun 11 02:22:17 EDT 2021 ppc64 GNU/Linux enceladus# That is my kernel compile running just fine and perhaps I did an apt-get update and/or upgrade and some hfs handling thing is borked. So these old PowerMac things need that HFS partition to boot and it seems something strange has happened ( again ) with the boot process. Is this a known thing? -- Dennis Clarke RISC-V/SPARC/PPC/ARM/CISC UNIX and Linux spoken GreyBeard and suspenders optional
