2014-04-19 12:34 GMT-03:00 Tom H <tomh0...@gmail.com>: > On Sun, Apr 13, 2014 at 11:08 AM, Jonathan Callen <jcal...@gentoo.org> wrote: >> On 04/12/2014 08:19 AM, Tom H wrote: >>> >>> You can have a gpt partition table with BIOS but if you want to boot from >>> that disk, you need a >>> bios_boot partition (which the OP has) for grub to embed a binary. >> >> Technically, I don't think you need a bios_boot partition if you leave >> enough space between the >> partition table and the first partition (I don't recall having a problem >> when my first partition >> started 2048 sectors (1MiB) into the disk). > > You're correct if you're talking about an msdos-labelled disk with > bios firmware because having the first partition start on 2048 as it > does now rather on 63 as it used to because the post-mbr gap will > always be big enough for grub to embed core.img. > > But on a gpt-labelled disk with bios firmware, there's a <something> > mbr into which grub embeds boot.img but there's no post-mbr gap. So a > bios_boot partition's needed in order to embed core.img (IIRC parted > calls it grub_bios or bios_grub). >
As I could not fix it, I solved it making backup, formating with ms_dos table, and restoring backup. :P
