В Tue, 10 Mar 2015 14:46:46 +0800 Bret Busby <[email protected]> пишет:
> >> > > > > How do you get this grub command line interface? Does your system boot into > > it? > > > > By pressing <ESC> while booting, to display the PC-BSD "boot menu" > (which displays as the only boot option, the unbootable PC-BSD > installation) which has, at the bottom of the screen "Press enter to > boot the selected OS, 'e'to edit the commands before booting or 'c' > for a command line"; the command line being the GRUB CLI. > > > If you are in grub CLI you could boot Ubuntu (from your grub.cfg > > attached earlier) by using the same commands as in grub.cfg: > > > > set root=hd0,gpt12 > > linux /boot/vmlinuz-3.13.0-40-generic > > root=UUID=b96339a3-179e-4891-972e-658d35c454a6 ro This was one line which was wrapped by mailer. Sorry. > > initrd /boot/initrd.img-3.13.0-40-generic > > boot > > > > You could try to omit root= but I do not know what Ubuntu does in this > > case. You can verify UUID by using "ls -l" on grub command line. > > > > When I entered the command starting with "initrd", I got the response > "disk 'UUID=<UUID>' not found". > That's because you did root=UUID=b96339a3-179e-4891-972e-658d35c454a6 ro which assigned string "UUID=b96339a3-179e-4891-972e-658d35c454a6" to $root variable. $root is default disk (partition) which is always searched when not given explicitly on command line. So once more line 1: set root=hd0,gpt12 line 2 (if even you see it split in multiple lines by mailer): linux /boot/vmlinuz-3.13.0-40-generic root=UUID=b96339a3-179e-4891-972e-658d35c454a6 ro line 3: initrd /boot/initrd.img-3.13.0-40-generic line 4: boot > > > Oh, regarding platform - what > > > > echo $grub_platform > > > > in grub command line says? > > > > " > grub> echo $grub_platform > pc > " > As expected, you have no EFI boot. In this case on GPT disk on BIOS you can really have a single bootloader. > > But, whilst, mat the start of the boot process, is displayed > > "GRUB Loading > Welcome to GRUB" > > No reference to Microsoft, or, to MIS Windows, as a boot option, is displayed. > Because your Windows installation does not have legacy bootloader and it is impossible to load EFI bootloader when you already booted in legacy BIOS mode. _______________________________________________ Help-grub mailing list [email protected] https://lists.gnu.org/mailman/listinfo/help-grub
