Hi, I’m working on a procedure to do a field update of the TX2i. When I run the following command:
sudo gdisk -l /dev/mmcblk0
I see the following list of the mmcblk0 partions:
Start (sector) End (sector) Size Code Name
1 4097 58724352 28.0 GiB 0700 APP
2 58724353 58732544 4.0 MiB 0700 mts-bootpack
3 58732545 58740736 4.0 MiB 0700 mts-bootpack_b
4 58740737 58741760 512.0 KiB 0700 cpu-bootloader
5 58741761 58742784 512.0 KiB 0700 cpu-bootloader_b
6 58742785 58743808 512.0 KiB 0700 bootloader-dtb
7 58743809 58744832 512.0 KiB 0700 bootloader-dtb_b
8 58744833 58750976 3.0 MiB 0700 secure-os
9 58750977 58757120 3.0 MiB 0700 secure-os_b
10 58757121 58761216 2.0 MiB 0700 eks
11 58761217 58762424 604.0 KiB 0700 bpmp-fw
12 58762425 58763632 604.0 KiB 0700 bpmp-fw_b
13 58763633 58764632 500.0 KiB 0700 bpmp-fw-dtb
14 58764633 58765632 500.0 KiB 0700 bpmp-fw-dtb_b
15 58765633 58769728 2.0 MiB 0700 sce-fw
16 58769729 58773824 2.0 MiB 0700 sce-fw_b
17 58773825 58786112 6.0 MiB 0700 sc7
18 58786113 58798400 6.0 MiB 0700 sc7_b
19 58798401 58802496 2.0 MiB 0700 FBNAME
20 58802497 59064640 128.0 MiB 0700 BMP
21 59064641 59326784 128.0 MiB 0700 BMP_b
22 59326785 59392320 32.0 MiB 0700 SOS
23 59392321 59457856 32.0 MiB 0700 SOS_b
24 59457857 59588928 64.0 MiB 0700 kernel
25 59588929 59720000 64.0 MiB 0700 kernel_b
26 59720001 59721024 512.0 KiB 0700 kernel-dtb
27 59721025 59722048 512.0 KiB 0700 kernel-dtb_b
28 59722049 60246336 256.0 MiB 0700 CAC
29 60246337 61071326 402.8 MiB 0700 UDA
Are the partitions with an ‘_b’ in their name duplicates of their similarly named partions? For example is:
kernel-dtb_b just a copy of kernel-dtb? What is the use-case for those partitions. Are they fail-overs in case the primary becomes corrupt, and if so, is that failover automated?
Thanks
-David