Hi Lukasz, On Wed, Nov 27, 2019 at 4:15 PM Lukasz Majewski <lu...@denx.de> wrote: > > Hi Jagan, > > > Hi, > > > > I have created GPT table start from 8MB for kernel, roots etc. > > something like > > > > Part Start LBA End LBA Name > > Attributes > > Type GUID > > Partition GUID > > 1 0x00004000 0x00023fff "boota" > > attrs: 0x0000000000000004 > > type: ebd0a0a2-b9e5-4433-87c0-68b6b72699c7 > > guid: c12a7328-f81f-11d2-ba4b-00a0c93ec93b > > 2 0x00024000 0x00043fff "bootb" > > attrs: 0x0000000000000004 > > type: ebd0a0a2-b9e5-4433-87c0-68b6b72699c7 > > guid: 21686148-6449-6e6f-744e-656564454649 > > 3 0x00044000 0x00243fff "rootfsa" > > attrs: 0x0000000000000000 > > type: ebd0a0a2-b9e5-4433-87c0-68b6b72699c7 > > guid: b921b045-1df0-41c3-af44-4c6f280d3fae > > 4 0x00244000 0x00443fff "rootfsb" > > attrs: 0x0000000000000000 > > type: ebd0a0a2-b9e5-4433-87c0-68b6b72699c7 > > guid: 8da63339-0007-60c0-c436-083ac8230908 > > 5 0x00444000 0x0070bfde "data" > > attrs: 0x0000000000000000 > > type: ebd0a0a2-b9e5-4433-87c0-68b6b72699c7 > > guid: 4f72ab70-69be-5948-81ff-4fc3daf24faa > > > > I have not included SPL, U-Boot to the partition list since it start > > from 0x400 in i.MX6. So > > I'm writing SPL separately using fastboot(with offset) or ums. > > > > But by doing this, the partition header seems overlapped so the > > output looks > > > > GUID Partition Table Entry Array CRC is wrong: 0x6a1aba0a != > > 0x8e4fd548 find_valid_gpt: *** ERROR: Invalid GPT *** > > find_valid_gpt: *** Using Backup GPT *** > > Part Start LBA End LBA Name > > Attributes > > Type GUID > > Partition GUID > > 1 0x00004000 0x00023fff "boota" > > attrs: 0x0000000000000004 > > type: ebd0a0a2-b9e5-4433-87c0-68b6b72699c7 > > guid: c12a7328-f81f-11d2-ba4b-00a0c93ec93b > > 2 0x00024000 0x00043fff "bootb" > > attrs: 0x0000000000000004 > > type: ebd0a0a2-b9e5-4433-87c0-68b6b72699c7 > > guid: 21686148-6449-6e6f-744e-656564454649 > > 3 0x00044000 0x00243fff "rootfsa" > > attrs: 0x0000000000000000 > > type: ebd0a0a2-b9e5-4433-87c0-68b6b72699c7 > > guid: b921b045-1df0-41c3-af44-4c6f280d3fae > > 4 0x00244000 0x00443fff "rootfsb" > > attrs: 0x0000000000000000 > > type: ebd0a0a2-b9e5-4433-87c0-68b6b72699c7 > > guid: 8da63339-0007-60c0-c436-083ac8230908 > > 5 0x00444000 0x0070bfde "data" > > attrs: 0x0000000000000000 > > type: ebd0a0a2-b9e5-4433-87c0-68b6b72699c7 > > guid: 4f72ab70-69be-5948-81ff-4fc3daf24faa > > > > So, what I understand is If I create the GPT first and then write the > > SPL, the SPL writing process will destroy the GPT Table and if I write > > SPL first and then create GPT, the GPT creation process will destroy > > the SPL. > > > > Is there any way to fix this? I remember we can prevent this overlap > > by preserving GPT Table som other or boot partition instead of having > > them at the beginning by default. > > > > Any inputs? > > On the diagram of GPT description [1] there is the info that partitions > can start from LBA 34 (0x200 * 34) = 0x4400 > > From the above it seems like you starts from 0x4000 your boota > partition, which then overwrites the "Entries 5-128" which shall be 0 > and are protected by CRC written in the Primary GPT Header. > > Please try to adjust your partition scheme to start from 0x4400.
I still see the overlap. I have created boota at 0x4400 and the write the SPL at 0x400 icorem6qdl-rqs> mmc part Partition Map for MMC device 2 -- Partition Type: EFI GUID Partition Table Entry Array CRC is wrong: 0xfca8e0bf != 0xc10fdc7b find_valid_gpt: *** ERROR: Invalid GPT *** find_valid_gpt: *** Using Backup GPT *** Part Start LBA End LBA Name Attributes Type GUID Partition GUID 1 0x00004400 0x000243ff "bootA" attrs: 0x0000000000000004 type: ebd0a0a2-b9e5-4433-87c0-68b6b72699c7 guid: c12a7328-f81f-11d2-ba4b-00a0c93ec93b 2 0x00024400 0x000443ff "bootB" attrs: 0x0000000000000004 type: ebd0a0a2-b9e5-4433-87c0-68b6b72699c7 guid: 21686148-6449-6e6f-744e-656564454649 3 0x00044400 0x002443ff "rootfsA" attrs: 0x0000000000000000 type: ebd0a0a2-b9e5-4433-87c0-68b6b72699c7 guid: b921b045-1df0-41c3-af44-4c6f280d3fae 4 0x00244400 0x004443ff "rootfsB" attrs: 0x0000000000000000 type: ebd0a0a2-b9e5-4433-87c0-68b6b72699c7 guid: 8da63339-0007-60c0-c436-083ac8230908 5 0x00444400 0x0070bfde "data" attrs: 0x0000000000000000 type: ebd0a0a2-b9e5-4433-87c0-68b6b72699c7 guid: d61c5b08-c376-f243-a883-15dd900766c3 Jagan. _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot