On Fri, Mar 21, 2014 at 07:14:00PM +0100, Kay Sievers wrote: > On Fri, Mar 21, 2014 at 6:24 PM, Thomas Weißschuh <tho...@t-8ch.de> wrote: >> On Fri, Mar 21, 2014 at 06:04:24PM +0100, Kay Sievers wrote: >>>On Fri, Mar 21, 2014 at 5:55 PM, Thomas Weißschuh <tho...@t-8ch.de> wrote: >>>> On Fri, Mar 21, 2014 at 05:43:48PM +0100, Kay Sievers wrote: >>>>> On Fri, Mar 21, 2014 at 8:28 AM, Thomas Weißschuh <tho...@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) >>> >>> Your setup uses the *type* UUID for the EFI system partition as the >>> *object* UUID of the partition? >>> >>> If that's the case, this cannot really work, object UUIDs need to be >>> unique, created from randomness, not pre-defined. >> >> This did also seem wrong to me. So it is definitevely a broken system and no >> configuration error on my part? > > Whatever tool created the EFI system partition in the GPT table did it wrong. > > That the well-known UUIDs are translated to a string is a gnuefi lib > stupidity. You would need to change the GPT entry to have a random > object UUID, then all should work on gummiboot + systemd side.
Turned out the misbehaving tool was I myself. When reading the DiscoverablePartition spec I mixed up the different types of GUIDs. (Nearly) everything is working now. Thanks a lot! > But be careful, if you have Windows installed, it might (I don't know) > have trouble when the UUID is changed. No problem here. Regards, Thomas _______________________________________________ systemd-devel mailing list systemd-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/systemd-devel