UART:
Boot NAND
start read bootheader
start read secondboot
non secure boot
Jump
DDR3 failed, try to init DDR4
DDR4-16 OK
DDR4-16 OK
U-Boot 2013.04 (Aug 29 2025 - 16:24:29)
CPU : ZX279128S@A9,1000MHZ
Board: ZXIC zx279128sevb
CONFIG_SYS_SDRAM_SIZE = 0x20000000
DRAM: 512 MiB
NAND: boot mode: 1
NAND_special nand special:0
Manu ID: 0x01, Chip ID: 0xda (AMD NAND 256MiB 3,3V 8-bit)
256 MiB
## Booting kernel from Legacy Image at 440001e0 ...
Image Name: Linux Kernel Image
Image Type: ARM Linux Kernel Image (uncompressed)
Data Size: 2434287 Bytes = 2.3 MiB
Load Address: 40008000
Entry Point: 40008000
Verifying Checksum ... OK
Loading Kernel Image ... OK
OK
Starting kernel ...
Booting Linux on physical CPU 0x0
Initializing cgroup subsys cpuset
Initializing cgroup subsys cpu
Initializing cgroup subsys cpuacct
Linux version 4.1.25 (root@test-virtual-machine) (gcc version 4.9.4 (Buildroot 2017.05-svn2186) ) #553 SMP PREEMPT Fri Oct 24 15:07:41 CST 2025
CPU: ARMv7 Processor [414fc091] revision 1 (ARMv7), cr=18c5387d
CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache
Machine model: ZTE ZX279128S
Ignoring memory range 0x0 - 0x40000000
Ignoring memory block 0x0 - 0x20000000
in function

ly_mem line: 766 zxic_mem_size = 0x20000000
Memory policy: Data cache writealloc
======= zx_map_io pon =======
======= zx_map_io =======
acl length 0x100000
opc length 0x100000
PERCPU: Embedded 10 pages/cpu @de760000 s12236 r8192 d20532 u40960
Built 1 zonelists in Zone order, mobility grouping on. Total pages: 129920
Kernel command line: console=ttyAMA0,115200n8 root=/dev/mtdblock8 ro rootfstype=jffs2 mem=512M; U-Boot XPONV4.2.1M10 20250829163834 0x6000000 0x1 0x00 0x83 AUTOGPON
PID hash table entries: 2048 (order: 1, 8192 bytes)
Dentry cache hash table entries: 65536 (order: 6, 262144 bytes)
Inode-cache hash table entries: 32768 (order: 5, 131072 bytes)
Memory: 492100K/524288K available (4369K kernel code, 273K rwdata, 1536K rodata, 180K init, 195K bss, 32188K reserved, 0K cma-reserved)
Virtual kernel memory layout:
vector : 0xffff0000 - 0xffff1000 ( 4 kB)
fixmap : 0xffc00000 - 0xfff00000 (3072 kB)
vmalloc : 0xe0800000 - 0xff000000 ( 488 MB)
lowmem : 0xc0000000 - 0xe0000000 ( 512 MB)
modules : 0xbf000000 - 0xc0000000 ( 16 MB)
.text : 0xc0008000 - 0xc05cc6d8 (5906 kB)
.init : 0xc05cd000 - 0xc05fa000 ( 180 kB)
.data : 0xc05fa000 - 0xc063e5e0 ( 274 kB)
.bss : 0xc063e5e0 - 0xc066f4a4 ( 196 kB)
SLUB: HWalign=32, Order=0-3, MinObjects=0, CPUs=2, Nodes=1
Preemptible hierarchical RCU implementation.
Additional per-CPU info printed with stalls.
Estoy haciendo dump ahora, antes realicé un RESET y se fué la config de PPPoE. Tuvieron que venir para recuperarlo pero me cambiaron la clave (user/admin), tendré que solicitar una nueva, ojalá en el dump logre algo.
La clave que ellos usan es user/xxxxxxxx como "admin real" no sé la clave.