=> mtdparts device nand0 , # parts = 2 #: name size offset mask_flags 0: loader 0x00040000 0x00000000 0 1: image 0x0fb00000 0x00040000 0 active partition: nand0,0 - (loader) 0x00040000 @ 0x00000000 defaults: mtdids : nand0=nand.0 mtdparts: nand0:256k(loader),257024k(image) => ubi part image ubi0: default fastmap pool size: 100 ubi0: default fastmap WL pool size: 50 ubi0: attaching mtd2 ubi0: scanning is finished ubi0: attached mtd2 (name "image", size 251 MiB) ubi0: PEB size: 131072 bytes (128 KiB), LEB size: 126976 bytes ubi0: min./max. I/O unit sizes: 2048/2048, sub-page size 2048 ubi0: VID header offset: 2048 (aligned 2048), data offset: 4096 ubi0: good PEBs: 2008, bad PEBs: 0, corrupted PEBs: 0 ubi0: user volume: 8, internal volumes: 1, max. volumes count: 128 ubi0: max/mean erase counter: 2/0, WL threshold: 4096, image sequence number: 1079742173 ubi0: available PEBs: 36, total reserved PEBs: 1972, PEBs reserved for bad PEB handling: 40 => ubi info UBI: MTD device name: "image" UBI: MTD device size: 251 MiB UBI: physical eraseblock size: 131072 bytes (128 KiB) UBI: logical eraseblock size: 126976 bytes UBI: number of good PEBs: 2008 UBI: number of bad PEBs: 0 UBI: smallest flash I/O unit: 2048 UBI: VID header offset: 2048 (aligned 2048) UBI: data offset: 4096 UBI: max. allowed volumes: 128 UBI: wear-leveling threshold: 4096 UBI: number of internal volumes: 1 UBI: number of user volumes: 8 UBI: available PEBs: 36 UBI: total number of reserved PEBs: 1972 UBI: number of PEBs reserved for bad PEB handling: 40 UBI: max/mean erase counter: 2/0 => ubi info l Volume information dump: vol_id 0 reserved_pebs 866 alignment 1 data_pad 0 vol_type 3 name_len 8 usable_leb_size 126976 used_ebs 866 used_bytes 109961216 last_eb_bytes 126976 corrupted 0 upd_marker 0 skip_check 0 name rootfs_0 Volume information dump: vol_id 1 reserved_pebs 1 alignment 1 data_pad 0 vol_type 3 name_len 8 usable_leb_size 126976 used_ebs 1 used_bytes 126976 last_eb_bytes 126976 corrupted 0 upd_marker 0 skip_check 0 name METADATA Volume information dump: vol_id 2 reserved_pebs 1 alignment 1 data_pad 0 vol_type 3 name_len 12 usable_leb_size 126976 used_ebs 1 used_bytes 126976 last_eb_bytes 126976 corrupted 0 upd_marker 0 skip_check 0 name METADATACOPY Volume information dump: vol_id 10 reserved_pebs 29 alignment 1 data_pad 0 vol_type 4 name_len 8 usable_leb_size 126976 used_ebs 29 used_bytes 3626674 last_eb_bytes 71346 corrupted 0 upd_marker 0 skip_check 0 name kernel_0 Volume information dump: vol_id 86 reserved_pebs 1 alignment 1 data_pad 0 vol_type 3 name_len 10 usable_leb_size 126976 used_ebs 1 used_bytes 126976 last_eb_bytes 126976 corrupted 0 upd_marker 0 skip_check 0 name metadata_1 Volume information dump: vol_id 88 reserved_pebs 29 alignment 1 data_pad 0 vol_type 4 name_len 8 usable_leb_size 126976 used_ebs 29 used_bytes 3626674 last_eb_bytes 71346 corrupted 0 upd_marker 0 skip_check 0 name kernel_1 Volume information dump: vol_id 89 reserved_pebs 866 alignment 1 data_pad 0 vol_type 3 name_len 8 usable_leb_size 126976 used_ebs 866 used_bytes 109961216 last_eb_bytes 126976 corrupted 0 upd_marker 0 skip_check 0 name rootfs_1 Volume information dump: vol_id 99 reserved_pebs 133 alignment 1 data_pad 0 vol_type 3 name_len 4 usable_leb_size 126976 used_ebs 133 used_bytes 16887808 last_eb_bytes 126976 corrupted 0 upd_marker 0 skip_check 0 name data Volume information dump: vol_id 2147479551 reserved_pebs 2 alignment 1 data_pad 0 vol_type 3 name_len 13 usable_leb_size 126976 used_ebs 2 used_bytes 253952 last_eb_bytes 2 corrupted 0 upd_marker 0 skip_check 0 name layout volume => ubifsmount ubi0:rootfs_1 => ubifsls 4392 Mon Jun 28 14:06:01 2021 bin 160 Wed Jun 23 07:54:10 2021 dev 5104 Mon Jun 28 14:07:22 2021 etc 2912 Mon Jun 28 12:51:47 2021 lib 160 Wed Jun 23 07:54:10 2021 mnt 224 Mon Jun 28 14:05:56 2021 rom 160 Mon Jun 28 14:06:15 2021 tmp 160 Wed Jun 23 07:54:10 2021 sys 3 Mon Jun 28 14:05:56 2021 var 480 Wed Jun 23 07:54:10 2021 usr 224 Mon Jun 28 12:51:47 2021 www 0 Mon Jun 28 14:07:22 2021 IOP3 296 Mon Jun 28 14:06:00 2021 data 160 Wed Jun 23 07:54:10 2021 proc 5176 Mon Jun 28 12:51:47 2021 sbin 160 Wed Jun 23 07:54:10 2021 root 160 Wed Jun 23 07:54:10 2021 overlay => ubifsumount Unmounting UBIFS volume rootfs_1! => ubi read 0x00200000 kernel_1 No size specified -> Using max size (3626674) Read 3626674 bytes from volume kernel_1 to 00200000