According to the UEFI specification version 2.7, Section 5.2.3, Table 16, the ending CHS address in the protective MBR should be set to 0xFFFFFF. This also agrees with the behaviour of fdisk from util-linux-2.32. --- libparted/labels/gpt.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libparted/labels/gpt.c b/libparted/labels/gpt.c index 4f922b2..6f92a34 100644 --- a/libparted/labels/gpt.c +++ b/libparted/labels/gpt.c @@ -1144,7 +1144,7 @@ _write_pmbr (PedDevice *dev, bool pmbr_boot) pmbr->Signature = PED_CPU_TO_LE16 (MSDOS_MBR_SIGNATURE); pmbr->PartitionRecord[0].OSType = EFI_PMBR_OSTYPE_EFI; pmbr->PartitionRecord[0].StartSector = 2; - pmbr->PartitionRecord[0].EndHead = 0xFE; + pmbr->PartitionRecord[0].EndHead = 0xFF; pmbr->PartitionRecord[0].EndSector = 0xFF; pmbr->PartitionRecord[0].EndTrack = 0xFF; pmbr->PartitionRecord[0].StartingLBA = PED_CPU_TO_LE32 (1); -- 2.18.0
