Grub error: "will not proceed with blocklists."

Volker Wysk post at volker-wysk.de
Fri Jan 5 20:22:56 UTC 2018


Am Freitag, 5. Januar 2018, 14:34:33 CET schrieb Tom H:
> On Fri, Jan 5, 2018 at 1:46 PM, Volker Wysk <post at volker-wysk.de> wrote:
> 
> 
> > I'm afraid I have broken something. grub-install outputs this message:
> >
> > desktop ~ % LANG=C grub-install /dev/sda
> > Installing for i386-pc platform.
> > grub-install: warning: this GPT partition label contains no BIOS Boot Partition; embedding won't be possible.
> 
> This is the message that matters. If you are using BIOS and GPT, you
> need a "BIOS Boot Partition" for grub embed a stage into.
> 
> 
> > grub-install: warning: Embedding is not possible.  GRUB can only be installed in this setup by using blocklists.  However, blocklists are UNRELIABLE and their use is discouraged..
> > grub-install: error: will not proceed with blocklists.
> >
> > Does this mean that my system won't boot again?
> >
> > This is my partitioning:
> >
> > desktop ~ % LANG=C fdisk --list /dev/sda
> > Disk /dev/sda: 3.7 TiB, 4000787030016 bytes, 7814037168 sectors
> > Units: sectors of 1 * 512 = 512 bytes
> > Sector size (logical/physical): 512 bytes / 4096 bytes
> > I/O size (minimum/optimal): 4096 bytes / 4096 bytes
> > Disklabel type: gpt
> > Disk identifier: 4E84672C-31E6-42E8-AF97-254EE3E6410B
> >
> > Device      Start        End    Sectors  Size Type
> > /dev/sda1    2048       4095       2048    1M Linux filesystem
> > /dev/sda2    4096     503807     499712  244M Linux filesystem
> > /dev/sda3  503808 7814035455 7813531648  3.7T Linux filesystem
> > GPT (END)
> >
> > What is that sda1 partition? It has been set up by the kubuntu installer, when I started to build my system. What is it good for?
> 
> It should be the "Bios Boot" but it's not supposed to be of that type.
> I think that fdisk is now (or the latest version is) gpt-compatible.
> If you use gdisk, the type is "ef02". if you use parted, the name has
> "grub" in it.

That's right, again. I've set the partition type to EF02, and now grub-install works.

Thanks for the help!

Volker





More information about the ubuntu-users mailing list