Thank Wright!
i can't find "ran successfully" in entire syslog with editor's search
function
2nd disk has 4 partitions, 2 for stretch and deb12, installer seems to
parse their grub.cfg, making log very long
Feb 11 08:54:28 in-target: Creating config file /etc/default/grub with
new version^M
Feb 11 08:54:51 grub-installer: info: Installing grub on ''
Feb 11 08:54:51 /bin/in-target: warning: /target/etc/mtab won't be
updated since it is a symlink.
Feb 11 08:54:53 kernel: [ 443.233902] QNX4 filesystem 0.2.3 registered.
Feb 11 03:54:53 os-prober: debug: running
/usr/lib/os-probes/50mounted-tests on /dev/sda1
Feb 11 03:54:53 50mounted-tests: debug: mounted using GRUB ufs2
filesystem driver
Feb 11 03:54:53 50mounted-tests: debug: running subtest
/usr/lib/os-probes/mounted/05efi
Feb 11 03:54:53 05efi: debug: Not on UEFI platform
Feb 11 03:54:53 50mounted-tests: debug: running subtest
/usr/lib/os-probes/mounted/10freedos
Feb 11 03:54:53 10freedos: debug: /dev/sda1 is not a FAT partition: exiting
Feb 11 03:54:53 50mounted-tests: debug: running subtest
/usr/lib/os-probes/mounted/10qnx
Feb 11 03:54:53 10qnx: debug: /dev/sda1 is not a QNX4 partition: exiting
