[systemd-devel] Partition discovery broken, invalid UUID in efi variable

[Thomas Weißschuh]

Hi,

On Fri, Mar 21, 2014 at 05:43:48PM +0100, Kay Sievers wrote:
> On Fri, Mar 21, 2014 at 8:28 AM, Thomas Weißschuh <thomas at t-8ch.de> wrote:
> > While trying to use the discovereable partitions stuff I ran into the following:
> >
> > Running systemd-efi-boot-generator on my machine results in:
> > "Failed to read ESP partition UUID: Input/output error"
> > The cause for this is that, the efi variable LoaderDevicePartUUID which is
> > supposed to hold an UUID only contains the literal string "ESP", which can't be
> > parsed by systemd.
> 
> What does this say on your box?
>   $ cat /sys/firmware/efi/efivars/LoaderDeviceIdentifier-4a67b082-0a4c-41cf-b6c7-440b29bb8c4f
>    Acpi(PNP0A03,0)/Pci(1F|2)/?/HD(Part1,Sig000012AF-0666-0000-EA27-0000D6190000)

$ cat /sys/firmware/efi/efivars/LoaderDeviceIdentifier-4a67b082-0a4c-41cf-b6c7-440b29bb8c4f
Acpi(PNP0A03,0)/Pci(1F/2)/?/HD(Part1,SigESP)

In UTF16 with the leading 4 flagbytes.

Thomas