Can't boot notebook from SSD

[Petter Adsen]

On 04/05/17 05:13, MR ZenWiz wrote:
> On Wed, May 3, 2017 at 5:59 AM, Ken D'Ambrosio <ken at jots.org> wrote:
>> On 2017-05-03 08:49, Liam Proven wrote:
>>
>>> Ergo, there must be enough space to _write_ to those files, or it won't
>>> boot.
>>
>>
>> I didn't get that from the article, either.  Writing to NVM -- or BIOS -- is
>> something you want to do some times, sure, but I'm hard-pressed to think of
>> a situation where that would actually prevent a boot, instead of simply
>> throwing an error or two.  Thus my original suggestion that the OP disable
>> splash and quiet in the kernel boot line in order to root-cause the issue
>> at-hand.
>>
> I note that my desktop, which is running off a Patriot SSD, has a 1MB
> bios_grub partition at the front end.

That would indicate to me that you are booting in legacy mode from a GPT
disk, not in UEFI mode. You can check if /sys/firmware/efi/efivars
exists, if it doesn't you are in legacy mode.

> The notebook actually had a 94MB supposedly UEFI (bios_grub?)
> partition, but gparted shows it as an unknown partition.

The EFI system partition should have type ef00, although not all
firmwares are equally strict about this.

Petter