A serial console dump of a (bricked) Unifi Switch USW-8-60W

dump.cap

U-Boot usw-v1.1.4.115-g14af1ee6 (Feb 14 2017 - 18:50:54)

DEV ID= 0000db56
SKU ID = 0xb150
DDR type: DDR3
MEMC 0 DDR speed = 667MHz
Validate Shmoo parameters stored in flash ..... OK
Press Ctrl-C to run Shmoo ..... skipped
Restoring Shmoo parameters from flash ..... done
Running simple memory test ..... OK
DDR Tune Completed
DRAM:  256 MiB
WARNING: Caches not enabled

 soc_pcie_hw_init : port->reg_base = 0x18012000 , its value = 0x1 
PCIe port 0 in RC mode

 pos is 172
==>PCIE: LINKSTA reg 0xbe val 0x1001

**************
 port 0 is not active!!
**************
In:    serial
Out:   serial
Err:   serial
Unlocking L2 Cache ...Done
arm_clk=1000MHz, axi_clk=400MHz, apb_clk=100MHz, arm_periph_clk=500MHz
Disabling outer cache
Net:   Board Net Initialization Failed
No ethernet found.
Hit any key to stop autoboot:  3  2  1  0 
ubnt_bootsel_init: bootsel magic=a34de82b, bootsel = 1 
UBNT application initialized 
Boot partition selected = 1 
Loading Kernel Image @ 1000000, size = 15728640 
Verifying 'kernel1' parition:OK
## Booting kernel from Legacy Image at 01000000 ...
   Image Name:   Ubiquiti 4.3.20.11298
   Image Type:   ARM Linux Kernel Image (uncompressed)
   Data Size:    15052096 Bytes = 14.4 MiB
   Load Address: 00018000
   Entry Point:  00018000
   Verifying Checksum ... OK
   Loading Kernel Image ... OK
OK
boot_prep_linux commandline: console=ttyS0,115200 mem=128M@0x0 mem=128M@0x68000000 mtdparts=spi1.0:768k(u-boot),64k(u-boot-env),64k(shmoo),15360k(kernel0),15424k(kernel1),1024k(cfg),64k(EEPROM) ubntbootid=1

Starting kernel ...

Disabling outer cache
[    0.000000] Booting Linux on physical CPU 0
[    0.000000] Linux version 3.6.5 (builder@owrt1505-builder) (gcc version 4.7.2 (OpenWrt GCC 4.7.2 unknown) ) #2 SMP Sat Jul 4 14:07:51 UTC 2020
[    0.000000] CPU: ARMv7 Processor [414fc091] revision 1 (ARMv7), cr=10c53c7d
[    0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache
[    0.000000] Machine: Broadcom iProc
[    0.000000] Memory policy: ECC disabled, Data cache writealloc
[    0.000000] BUG: mapping for 0x18000000 at 0xf0000000 out of vmalloc space
[    0.000000] BUG: mapping for 0x19000000 at 0xf1000000 out of vmalloc space
[    0.000000] PERCPU: Embedded 7 pages/cpu @c1cab000 s6272 r8192 d14208 u32768
[    0.000000] Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 61952
[    0.000000] Kernel command line: console=ttyS0,115200 mem=128M@0x0 mem=128M@0x68000000 mtdparts=spi1.0:768k(u-boot),64k(u-boot-env),64k(shmoo),15360k(kernel0),15424k(kernel1),1024k(cfg),64k(EEPROM) ubntbootid=1 ubootver=usw-v1.1.4.115-g14af1ee6
[    0.000000] PID hash table entries: 512 (order: -1, 2048 bytes)
[    0.000000] Dentry cache hash table entries: 16384 (order: 4, 65536 bytes)
[    0.000000] Inode-cache hash table entries: 8192 (order: 3, 32768 bytes)
[    0.000000] Memory: 128MB 128MB = 256MB total
[    0.000000] Memory: 245008k/245008k available, 17136k reserved, 131072K highmem
[    0.000000] Virtual kernel memory layout:
[    0.000000]     vector  : 0xffff0000 - 0xffff1000   (   4 kB)
[    0.000000]     fixmap  : 0xfff00000 - 0xfffe0000   ( 896 kB)
[    0.000000]     vmalloc : 0xc8800000 - 0xf0000000   ( 632 MB)
[    0.000000]     lowmem  : 0xc0000000 - 0xc8000000   ( 128 MB)
[    0.000000]     pkmap   : 0xbfe00000 - 0xc0000000   (   2 MB)
[    0.000000]     modules : 0xbf000000 - 0xbfe00000   (  14 MB)
[    0.000000]       .text : 0xc0018000 - 0xc034d7f8   (3286 kB)
[    0.000000]       .init : 0xc034e000 - 0xc0e48880   (11243 kB)
[    0.000000]       .data : 0xc0e4a000 - 0xc0e72d40   ( 164 kB)
[    0.000000]        .bss : 0xc0e72d64 - 0xc0ea1354   ( 186 kB)
[    0.000000] SLUB: Genslabs=11, HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
[    0.000000] Hierarchical RCU implementation.
[    0.000000] 	RCU restricting CPUs from NR_CPUS=4 to nr_cpu_ids=1.
[    0.000000] NR_IRQS:292
[    0.000000] sched_clock: 32 bits at 100 Hz, resolution 10000000ns, wraps every 4294967286ms
[    0.010000] Calibrating delay loop... 1993.93 BogoMIPS (lpj=9969664)
[    0.070000] pid_max: default: 4096 minimum: 301
[    0.070000] Mount-cache hash table entries: 512
[    0.070000] CPU: Testing write buffer coherency: ok
[    0.070000] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000
[    0.070000] Setting up static identity map for 0x282350 - 0x2823a8
[    0.070000] L310 cache controller enabled
[    0.070000] l2x0: 8 ways, CACHE_ID 0x410000c9, AUX_CTRL 0x0a120000, Cache size: 131072 B
[    0.070000] Brought up 1 CPUs
[    0.070000] SMP: Total of 1 processors activated (1993.93 BogoMIPS).
[    0.070000] devtmpfs: initialized
[    0.070000] NET: Registered protocol family 16
[    0.070000] DMA: preallocated 256 KiB pool for atomic coherent allocations
[    0.070000] GENPLL[5] mdiv=20 rate=2000000000
[    0.070000] Sel=1 Ovr=0 Div=2
[    0.070000] UART clock rate 50000000
[    0.080000] bio: create slab <bio-0> at 0
[    0.080000] Bluetooth: Core ver 2.16
[    0.080000] NET: Registered protocol family 31
[    0.080000] Bluetooth: HCI device and connection manager initialized
[    0.080000] Bluetooth: HCI socket layer initialized
[    0.080000] Bluetooth: L2CAP socket layer initialized
[    0.080000] Bluetooth: SCO socket layer initialized
[    0.080000] Switching to clocksource iproc_gtimer
[    0.090000] NET: Registered protocol family 2
[    0.090000] TCP established hash table entries: 4096 (order: 3, 32768 bytes)
[    0.090000] TCP bind hash table entries: 4096 (order: 3, 32768 bytes)
[    0.090000] TCP: Hash tables configured (established 4096 bind 4096)
[    0.090000] TCP: reno registered
[    0.090000] UDP hash table entries: 128 (order: 0, 4096 bytes)
[    0.090000] UDP-Lite hash table entries: 128 (order: 0, 4096 bytes)
[    0.090000] NET: Registered protocol family 1
[    5.910000] pm_init: Initializing Power Management ....
[    5.910000] iproc gpiochip add GPIOA
[    5.910000] GPIOA:ioaddr f0000060 
[    5.910000] GPIOA:intr_ioaddr f0000000 dmu_ioaddr   (null)
[    6.160000] PCIE0: LINKSTA reg 0xbe val 0x1001
[    6.160000] reg[0xac]=0x10, reg[0xae]=0x42, reg[0xb0]=0x8000, reg[0xb4]=0x2c10, reg[0xb6]=0x10, reg[0xb8]=0x5c12, reg[0xba]=0x65, reg[0xbe]=0x1001, reg[0xc6]=0x40, reg[0xca]=0x1, reg[0xd0]=0x1f, reg[0xd2]=0x8, reg[0xdc]=0x1, PCIE0 link=0
[    6.410000] PCIe port 1 in End-Point mode - ignored
[    6.410000] Registering iproc_pmu_device
[    6.420000] bounce pool size: 64 pages
[    6.420000] squashfs: version 4.0 (2009/01/31) Phillip Lougher
[    6.420000] jffs2: version 2.2. (NAND) © 2001-2006 Red Hat, Inc.
[    6.420000] msgmni has been set to 222
[    6.430000] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 254)
[    6.430000] io scheduler noop registered
[    6.430000] io scheduler deadline registered (default)
[    6.430000] io scheduler cfq registered
[    6.430000] Serial: 8250/16550 driver, 2 ports, IRQ sharing enabled
[    6.430000] serial8250.0: ttyS0 at MMIO 0x18000400 (irq = 123) is a 16550A
[    6.900000] console [ttyS0] enabled
[    6.910000] serial8250.0: ttyS1 at MMIO 0x18000300 (irq = 123) is a 16550A
[    6.920000] brd: module loaded
[    6.930000] loop: module loaded
[    6.940000] nbd: registered device at major 43
[    6.950000] tun: Universal TUN/TAP device driver, 1.6
[    6.960000] tun: (C) 1999-2004 Max Krasnyansky <maxk@qualcomm.com>
[    6.960000] Bluetooth: HCI UART driver ver 2.2
[    6.970000] Bluetooth: HCI H4 protocol initialized
[    6.970000] Bluetooth: HCI BCSP protocol initialized
[    6.980000] TCP: cubic registered
[    6.980000] NET: Registered protocol family 10
[    6.990000] sit: IPv6 over IPv4 tunneling driver
[    6.990000] NET: Registered protocol family 17
[    7.000000] Bluetooth: RFCOMM TTY layer initialized
[    7.000000] Bluetooth: RFCOMM socket layer initialized
[    7.010000] Bluetooth: RFCOMM ver 1.11
[    7.010000] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[    7.020000] Bluetooth: BNEP filters: protocol multicast
[    7.020000] Bluetooth: HIDP (Human Interface Emulation) ver 1.2
[    7.030000] 8021q: 802.1Q VLAN Support v1.8
[    7.030000] GENPLL[5] mdiv=20 rate=2000000000
[    7.040000] qspi_iproc qspi_iproc.1: 1-lane output, 3-byte address
[    7.040000] m25p80 spi1.0: found mx25l25635e, expected m25p80
[    7.050000] m25p80 spi1.0: mx25l25635e (32768 Kbytes)
[    7.060000] 7 cmdlinepart partitions found on MTD device spi1.0
[    7.060000] Creating 7 MTD partitions on "spi1.0":
[    7.070000] 0x000000000000-0x0000000c0000 : "u-boot"
[    7.070000] 0x0000000c0000-0x0000000d0000 : "u-boot-env"
[    7.080000] 0x0000000d0000-0x0000000e0000 : "shmoo"
[    7.090000] 0x0000000e0000-0x000000fe0000 : "kernel0"
[    7.090000] 0x000000fe0000-0x000001ef0000 : "kernel1"
[    7.100000] 0x000001ef0000-0x000001ff0000 : "cfg"
[    7.100000] 0x000001ff0000-0x000002000000 : "EEPROM"
[    7.120000] Freeing init memory: 11240K
[    7.150000] ubnt_common: module license 'Proprietary' taints kernel.
[    7.160000] Disabling lock debugging due to kernel taint
[    7.210000] Data abort at addr=0xc8a10224, fsr=0x1406 ignored.
[    7.210000] Data abort at addr=0xc8a10224, fsr=0x1406 ignored.
[    7.230000] gpiodev: reset_timeout=3
Could not find cfg type: 1
Could not find cfg type: 2
...running /sbin/init
init started: BusyBox v1.23.2 (2020-07-04 14:04:27 UTC)
+ exec

Please press Enter to activate this console. 

UBNT login: ubnt
Password: 
login: can't change directory to '/etc/persistent'


BusyBox v1.23.2 (2020-07-04 14:04:27 UTC) built-in shell (ash)

UBNT-[Error-A12] US.v4.3.20# ls
bin   dev   etc   init  lib   mnt   proc  sbin  sys   tmp   usr   var
UBNT-[Error-A12] US.v4.3.20# mount
rootfs on / type rootfs (rw)
proc on /proc type proc (rw,relatime)
sysfs on /sys type sysfs (rw,relatime)
devpts on /dev/pts type devpts (rw,relatime,mode=600)
UBNT-[Error-A12] US.v4.3.20# less /etc/board.info 
board.sysid=0xeb18
board.name=USW-8P-60
board.shortname=US8P60
board.subtype=
board.hwaddr=FCECDAD1CBF0
board.reboot=30
board.upgrade=150
board.phycount=1
board.required_fw_version=3.7.16
UBNT-[Error-A12] US.v4.3.20# poweroff
UBNT-[Error-A12] US.v4.3.20# + exec
umount: can't remount rootfs read-only
The system is going down NOW!
Sent SIGTERM to all processes
Sent SIGKILL to[  535.820000] Disabling non-boot CPUs ...
[  535.820000] Power down.