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[AC56U] Reboot cycle after update to firmware 380.57~59

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I have successfully flashed my RT-AC56U 378.56_2 and i tried to flash the latest firmware from v380.57 with the manual restart at the end of flashing, my router is reboot.

I try use USB TTL adapter link to CFE Mode, use "nvram erase". However, after the update, like rebooting.

V378.56 its good
Code:
Digital core power voltage set to 0.9375V
Decompressing...done
Digital core power voltage set to 0.9375V

SHMOO VER 1.13

Decompressing...done
Detect CPU turbo button...

CFE version 6.37.14.34 (r415984) based on BBP 1.0.37 for BCM947XX (32bit,SP,)
Build Date: 一  9月  2 11:35:57 CST 2013 (ham@xpdev)
Copyright (C) 2000-2008 Broadcom Corporation.

Init Arena
Init Devs.
Boot partition size = 262144(0x40000)
DDR Clock: 533 MHz
Info: DDR frequency set from clkfreq=800,*533*
et0: Broadcom BCM47XX 10/100/1000 Mbps Ethernet Controller 6.37.14.34 (r415984)
CPU type 0x0: 800MHz
Tot mem: 262144 KBytes

CFE mem:  0x00F00000 - 0x0119406C (2703468)
Data:  0x00F4C75C - 0x00F4CBAC (1104)
BSS:  0x00F4CBB8 - 0x00F9206C (283828)
Heap:  0x00F9206C - 0x0119206C (2097152)
Stack:  0x0119206C - 0x0119406C (8192)
Text:  0x00F00000 - 0x00F43164 (274788)

Device eth0:  hwaddr BC-EE-7B-90-71-20, ipaddr 192.168.2.1, mask 255.255.255.0
  gateway not set, nameserver not set
Null Rescue Flag.
boot the image...
go load
Loader:raw Filesys:tftp Dev:eth0 File:: Options:(null)
Loading: TFTP Server.
..tftp retry wait 0
Failed.
Could not load :: Timeout occured
Loader:raw Filesys:raw Dev:nflash0.os File: Options:(null)
Loading: .... 4026368 bytes read
Entry at 0x00008000
Closing network.
Starting program at 0x00008000
console [ttyS0] enabled, bootconsole disabled
serial8250.0: ttyS1 at MMIO 0x18000400 (irq = 117) is a 16550
brd: module loaded
loop: module loaded
pflash: found no supported devices
bcmsflash: found no supported devices
Boot partition size = 524288(0x80000)
lookup_nflash_rootfs_offset: offset = 0x200000
nflash: squash filesystem with lzma found at block 28
Creating 4 MTD partitions on "nflash":
0x000000000000-0x000000080000 : "boot"
0x000000080000-0x000000200000 : "nvram"
0x000000200000-0x000004000000 : "linux"
0x00000039a8ec-0x000004000000 : "rootfs"
PPP generic driver version 2.4.2
PPP MPPE Compression module registered
NET: Registered protocol family 24
PPTP driver version 0.8.5
u32 classifier
  Actions configured
Netfilter messages via NETLINK v0.30.
nf_conntrack version 0.5.0 (3992 buckets, 15968 max)
xt_time: kernel timezone is -0000
ip_tables: (C) 2000-2006 Netfilter Core Team
TCP cubic registered
NET: Registered protocol family 10
ip6_tables: (C) 2000-2006 Netfilter Core Team
NET: Registered protocol family 17
L2TP core driver, V2.0
PPPoL2TP kernel driver, V2.0
802.1Q VLAN Support v1.8 Ben Greear <greearb@candelatech.com>
All bugs added by David S. Miller <davem@redhat.com>
Registering the dns_resolver key type
Northstar brcmnand NAND Flash Controller driver, Version 0.1 (c) Broadcom Inc. 2012
NAND device: Manufacturer ID: 0x01, Chip ID: 0xf1 (AMD NAND 128MiB 3,3V 8-bit)
Spare area=64 eccbytes 56, ecc bytes located at:
2 3 4 5 6 7 8 9 10 11 12 13 14 15 18 19 20 21 22 23 24 25 26 27 28 29 30 31 34 35 36 37 38 39 40 41 42 43 44 45 46 47 50 51 52 53 54 55 56 57 58 59 60 61 62 63
Available 7 bytes at (off,len):
(1,1) (16,2) (32,2) (48,2) (0,0) (0,0) (0,0) (0,0)
Scanning device for bad blocks
Options: NO_AUTOINCR,NO_READRDY,BBT_SCAN2NDPAGE,
Creating 2 MTD partitions on "brcmnand":
0x000004000000-0x000007ec0000 : "brcmnand"
0x000007ec0000-0x000008000000 : "asus"
VFS: Mounted root (squashfs filesystem) readonly on device 31:3.
devtmpfs: mounted
Freeing init memory: 212K
## mknod /dev/null: File exists
## mknod /dev/console: File exists
1: set_action 0


Hit ENTER for console...

firmware version: 3.0.0.4.378.56_2
wan_proto:pppoe not support FA mode...
[1 preinit:init_nvram +8] init_nvram for 43
config_tcode(0x0013): tcode is []
config_tcode(0x0015): [tcode] no territory_code setting, using default region
num_of_mssid_support(0x0096): [mssid] support [3] mssid
size: 44205 bytes (21331 left)
chk ate ccode correct !

FA off.
ctf: module license 'Proprietary' taints kernel.
Disabling lock debugging due to kernel taint
et_module_init: passivemode set to 0x0
et_module_init: txworkq set to 0x1
et_module_init: et_txq_thresh set to 0xce4
eth0: Broadcom BCM47XX 10/100/1000 Mbps Ethernet Controller 6.37.14.105 (r485445)
hotplug net INTERFACE=eth0 ACTION=add
wl_module_init: passivemode set to 0x0
wl_module_init: igs set to 0x0
wl_module_init: txworkq set to 0x1
PCI: Enabling device 0001:01:00.0 (0140 -> 0142)
eth1: Broadcom BCMa8db 802.11 Wireless Controller 6.37.14.105 (r485445)
hotplug net INTERFACE=eth1 ACTION=add
eth2: Broadcom BCM4360 802.11 Wireless Controller 6.37.14.105 (r485445)
hotplug net INTERFACE=eth2 ACTION=add
1: check_action 0
start jffs2: 4, 65798144
/ # [1 preinit:init_main +13] main loop signal/state=12
start_logger:
_ifconfig: name=eth0 flags=1043 IFUP addr=(null) netmask=(null)
hotplug net INTERFACE=vlan1 ACTION=add
hotplug net INTERFACE=vlan2 ACTION=add
update_lan_state(lan_, 0, 0)
generate_wl_para(0x09a6): unit 0 subunit -1
num_of_mssid_support(0x0096): [mssid] support [3] mssid
generate_wl_para(0x0c87): bw: 0
generate_wl_para(0x0c89): chanspec: 0
generate_wl_para(0x0c8a): bw_cap: 3
generate_wl_para(0x0c90): obss_coex: 1
wlconf_pre(0x1367): set vhtmode 1
generate_wl_para(0x09a6): unit 1 subunit -1
num_of_mssid_support(0x0096): [mssid] support [3] mssid
generate_wl_para(0x0c87): bw: 0
generate_wl_para(0x0c89): chanspec: 0
generate_wl_para(0x0c8a): bw_cap: 7
generate_wl_para(0x0c90): obss_coex: 1
wlconf_pre(0x1367): set vhtmode 1
set_wltxpower(0x0217): unit: 0, txpower: 100
set_wltxpower(0x0217): unit: 1, txpower: 100
start_lan: setting up the bridge br0
vlan1: cmd=14: Operation not supported
_ifconfig: name=vlan1 flags=1043 IFUP addr=(null) netmask=(null)
start_lan: setting MAC of br0 bridge to BC:EE:7B:90:71:20
_ifconfig: name=eth1 flags=1043 IFUP addr=(null) netmask=(null)
hotplug net INTERFACE=br0 ACTION=add
generate_wl_para(0x09a6): unit 0 subunit -1
num_of_mssid_support(0x0096): [mssid] support [3] mssid
generate_wl_para(0x0c87): bw: 0
generate_wl_para(0x0c89): chanspec: 0
generate_wl_para(0x0c8a): bw_cap: 3
generate_wl_para(0x0c90): obss_coex: 1
generate_wl_para(0x09a6): unit 0 subunit 1
generate_wl_para(0x09a6): unit 0 subunit 2
generate_wl_para(0x09a6): unit 0 subunit 3

_ifconfig: name=eth2 flags=1043 IFUP addr=(null) netmask=(null)
generate_wl_para(0x09a6): unit 1 subunit -1
num_of_mssid_support(0x0096): [mssid] support [3] mssid
generate_wl_para(0x0c87): bw: 0
generate_wl_para(0x0c89): chanspec: 0
generate_wl_para(0x0c8a): bw_cap: 7
generate_wl_para(0x0c90): obss_coex: 1
generate_wl_para(0x09a6): unit 1 subunit 1
generate_wl_para(0x09a6): unit 1 subunit 2
generate_wl_para(0x09a6): unit 1 subunit 3

_ifconfig: name=br0 flags=1043 IFUP addr=192.168.2.1 netmask=255.255.255.0
_ifconfig: name=lo flags=1043 IFUP addr=127.0.0.1 netmask=255.0.0.0
route_manip: cmd=ADD name=lo addr=127.0.0.0 netmask=255.0.0.0 gateway=0.0.0.0 metric=0
update_lan_state(lan_, 2, 0)
stop_nat_rules: apply the redirect_rules!
start_lan 1964
start_services 3761
# wanduck: Got LAN(-1) information:
 
Last edited:
V380.57 its bad :(
Code:
Digital core power voltage set to 0.9375V
Decompressing...done
Detect CPU turbo button...

CFE version 6.37.14.34 (r415984) based on BBP 1.0.37 for BCM947XX (32bit,SP,)
Build Date: 一  9月  2 11:35:57 CST 2013 (ham@xpdev)
Copyright (C) 2000-2008 Broadcom Corporation.

Init Arena
Init Devs.
Boot partition size = 262144(0x40000)
DDR Clock: 400 MHz
Info: DDR frequency set from clkfreq=800,*533*
Warning: invalid DDR setting of 533 MHz ignored. DDR frequency will be set to 400 MHz.
et0: Broadcom BCM47XX 10/100/1000 Mbps Ethernet Controller 6.37.14.34 (r415984)
CPU type 0x0: 800MHz
Tot mem: 262144 KBytes

CFE mem:  0x00F00000 - 0x0119406C (2703468)
Data:  0x00F4C75C - 0x00F4CBAC (1104)
BSS:  0x00F4CBB8 - 0x00F9206C (283828)
Heap:  0x00F9206C - 0x0119206C (2097152)
Stack:  0x0119206C - 0x0119406C (8192)
Text:  0x00F00000 - 0x00F43164 (274788)

Committing NVRAM...done
Waiting for wps button release...donDigital core power voltage set to 0.9375V
Decompressing...done
Digital core power voltage set to 0.9375V

SHMOO VER 1.13

Decompressing...done
Detect CPU turbo button...

CFE version 6.37.14.34 (r415984) based on BBP 1.0.37 for BCM947XX (32bit,SP,)
Build Date: 一  9月  2 11:35:57 CST 2013 (ham@xpdev)
Copyright (C) 2000-2008 Broadcom Corporation.

Init Arena
Init Devs.
Boot partition size = 262144(0x40000)
DDR Clock: 533 MHz
Info: DDR frequency set from clkfreq=800,*533*
et0: Broadcom BCM47XX 10/100/1000 Mbps Ethernet Controller 6.37.14.34 (r415984)
CPU type 0x0: 800MHz
Tot mem: 262144 KBytes

CFE mem:  0x00F00000 - 0x0119406C (2703468)
Data:  0x00F4C75C - 0x00F4CBAC (1104)
BSS:  0x00F4CBB8 - 0x00F9206C (283828)
Heap:  0x00F9206C - 0x0119206C (2097152)
Stack:  0x0119206C - 0x0119406C (8192)
Text:  0x00F00000 - 0x00F43164 (274788)

Device eth0:  hwaddr BC-EE-7B-90-71-20, ipaddr 192.168.1.1, mask 255.255.255.0
  gateway not set, nameserver not set
Null Rescue Flag.
boot the image...
go load
Loader:raw Filesys:tftp Dev:eth0 File:: Options:(null)
Loading: TFTP Server.
..tftp retry wait 0
Failed.
Could not load :: Timeout occured
Loader:raw Filesys:raw Dev:nflash0.os File: Options:(null)
Loading: .... 4034784 bytes read
Entry at 0x00008000
Closing network.
Starting program at 0x00008000
console [ttyS0] enabled, bootconsole disabled
serial8250.0: ttyS1 at MMIO 0x18000400 (irq = 117) is a 16550
brd: module loaded
loop: module loaded
pflash: found no supported devices
bcmsflash: found no supported devices
Boot partition size = 524288(0x80000)
lookup_nflash_rootfs_offset: offset = 0x200000
nflash: squash filesystem with lzma found at block 28
Creating 4 MTD partitions on "nflash":
0x000000000000-0x000000080000 : "boot"
0x000000080000-0x000000200000 : "nvram"
0x000000200000-0x000004000000 : "linux"
0x00000039b4a0-0x000004000000 : "rootfs"
PPP generic driver version 2.4.2
PPP MPPE Compression module registered
NET: Registered protocol family 24
PPTP driver version 0.8.5
u32 classifier
  Actions configured
Netfilter messages via NETLINK v0.30.
nf_conntrack version 0.5.0 (3992 buckets, 15968 max)
xt_time: kernel timezone is -0000
ip_tables: (C) 2000-2006 Netfilter Core Team
TCP cubic registered
NET: Registered protocol family 10
ip6_tables: (C) 2000-2006 Netfilter Core Team
NET: Registered protocol family 17
L2TP core driver, V2.0
PPPoL2TP kernel driver, V2.0
802.1Q VLAN Support v1.8 Ben Greear <greearb@candelatech.com>
All bugs added by David S. Miller <davem@redhat.com>
Registering the dns_resolver key type
Northstar brcmnand NAND Flash Controller driver, Version 0.1 (c) Broadcom Inc. 2012
NAND device: Manufacturer ID: 0x01, Chip ID: 0xf1 (AMD NAND 128MiB 3,3V 8-bit)
Spare area=64 eccbytes 56, ecc bytes located at:
2 3 4 5 6 7 8 9 10 11 12 13 14 15 18 19 20 21 22 23 24 25 26 27 28 29 30 31 34 35 36 37 38 39 40 41 42 43 44 45 46 47 50 51 52 53 54 55 56 57 58 59 60 61 62 63
Available 7 bytes at (off,len):
(1,1) (16,2) (32,2) (48,2) (0,0) (0,0) (0,0) (0,0)
Scanning device for bad blocks
Options: NO_AUTOINCR,NO_READRDY,BBT_SCAN2NDPAGE,
Creating 2 MTD partitions on "brcmnand":
0x000004000000-0x000007ec0000 : "brcmnand"
0x000007ec0000-0x000008000000 : "asus"
VFS: Mounted root (squashfs filesystem) readonly on device 31:3.
devtmpfs: mounted
Freeing init memory: 212K
## mknod /dev/null: File exists
## mknod /dev/console: File exists
1: set_action 0


Hit ENTER for console...

firmware version: 3.0.0.4.380.57_0
fa_mode_adjust(0x1578): IPTV environment, disable FA mode
[1 preinit:init_nvram +8] init_nvram for model(44)
config_tcode(0x0013): tcode is []
config_tcode(0x0015): [tcode] no territory_code setting, using default region

## Restoring defaults... ##
num_of_mssid_support(0x0095): [mssid] support [3] mssid
done
size: 40672 bytes (24864 left)
[fix_ate_ccode]
!!! cfe_init !!!
cfe_init: CFE MTD 0 boot 0
cfe_init: block size 131072(00020000)
get_embedded_block:: mtd->size(00001000) erasesize(00080000) offset(00000000) emb_size(00020000)
cfe_init: cfe_nvram_header(cfba0400)
cfe_update: before f08 5d
cfe_update: !!!! found !!!!
cfe_update: before f08 5d
cfe_update: !!!! found !!!!
cfe_update: before f08 5d
cfe_update: !!!! found !!!!
cfe_update: before f08 5d
cfe_update: !!!! found !!!!
cfe_update: before f08 5d
cfe_update: !!!! found !!!!
cfe_commit: done 0
[fix_Restarting system.
a▒Digital core power voltage set to 0.9375V
Decompressing...done
Detect CPU turbo button...
 
V380.58 its bad too :(

Code:
Decompressing...done
Detect CPU turbo button...

CFE version 6.37.14.34 (r415984) based on BBP 1.0.37 for BCM947XX (32bit,SP,)
Build Date: 一  9月  2 11:35:57 CST 2013 (ham@xpdev)
Copyright (C) 2000-2008 Broadcom Corporation.

Init Arena
Init Devs.
Boot partition size = 262144(0x40000)
DDR Clock: 533 MHz
Info: DDR frequency set from clkfreq=800,*533*
et0: Broadcom BCM47XX 10/100/1000 Mbps Ethernet Controller 6.37.14.34 (r415984)
CPU type 0x0: 800MHz
Tot mem: 262144 KBytes

CFE mem:  0x00F00000 - 0x0119406C (2703468)
Data:  0x00F4C75C - 0x00F4CBAC (1104)
BSS:  0x00F4CBB8 - 0x00F9206C (283828)
Heap:  0x00F9206C - 0x0119206C (2097152)
Stack:  0x0119206C - 0x0119406C (8192)
Text:  0x00F00000 - 0x00F43164 (274788)

Device eth0:  hwaddr BC-EE-7B-90-71-20, ipaddr 192.168.1.1, mask 255.255.255.0
  gateway not set, nameserver not set
Null Rescue Flag.
boot the image...
go load
Loader:raw Filesys:tftp Dev:eth0 File:: Options:(null)
Loading: TFTP Server.
..tftp retry wait 0
Failed.
Could not load :: Timeout occured
Loader:raw Filesys:raw Dev:nflash0.os File: Options:(null)
Loading: .... 4034784 bytes read
Entry at 0x00008000
Closing network.
Starting program at 0x00008000
console [ttyS0] enabled, bootconsole disabled
serial8250.0: ttyS1 at MMIO 0x18000400 (irq = 117) is a 16550
brd: module loaded
loop: module loaded
pflash: found no supported devices
bcmsflash: found no supported devices
Boot partition size = 524288(0x80000)
lookup_nflash_rootfs_offset: offset = 0x200000
nflash: squash filesystem with lzma found at block 28
Creating 4 MTD partitions on "nflash":
0x000000000000-0x000000080000 : "boot"
0x000000080000-0x000000200000 : "nvram"
0x000000200000-0x000004000000 : "linux"
0x00000039b49c-0x000004000000 : "rootfs"
PPP generic driver version 2.4.2
PPP MPPE Compression module registered
NET: Registered protocol family 24
PPTP driver version 0.8.5
u32 classifier
  Actions configured
Netfilter messages via NETLINK v0.30.
nf_conntrack version 0.5.0 (3992 buckets, 15968 max)
xt_time: kernel timezone is -0000
ip_tables: (C) 2000-2006 Netfilter Core Team
TCP cubic registered
NET: Registered protocol family 10
ip6_tables: (C) 2000-2006 Netfilter Core Team
NET: Registered protocol family 17
L2TP core driver, V2.0
PPPoL2TP kernel driver, V2.0
802.1Q VLAN Support v1.8 Ben Greear <greearb@candelatech.com>
All bugs added by David S. Miller <davem@redhat.com>
Registering the dns_resolver key type
Northstar brcmnand NAND Flash Controller driver, Version 0.1 (c) Broadcom Inc. 2012
NAND device: Manufacturer ID: 0x01, Chip ID: 0xf1 (AMD NAND 128MiB 3,3V 8-bit)
Spare area=64 eccbytes 56, ecc bytes located at:
2 3 4 5 6 7 8 9 10 11 12 13 14 15 18 19 20 21 22 23 24 25 26 27 28 29 30 31 34 35 36 37 38 39 40 41 42 43 44 45 46 47 50 51 52 53 54 55 56 57 58 59 60 61 62 63
Available 7 bytes at (off,len):
(1,1) (16,2) (32,2) (48,2) (0,0) (0,0) (0,0) (0,0)
Scanning device for bad blocks
Options: NO_AUTOINCR,NO_READRDY,BBT_SCAN2NDPAGE,
Creating 2 MTD partitions on "brcmnand":
0x000004000000-0x000007ec0000 : "brcmnand"
0x000007ec0000-0x000008000000 : "asus"
VFS: Mounted root (squashfs filesystem) readonly on device 31:3.
devtmpfs: mounted
Freeing init memory: 212K
## mknod /dev/null: File exists
## mknod /dev/console: File exists
1: set_action 0


Hit ENTER for console...

firmware version: 3.0.0.4.380.58_0
fa_mode_adjust(0x15af): IPTV environment, disable FA mode
[1 preinit:init_nvram +8] init_nvram for model(44)
config_tcode(0x0013): tcode is []
config_tcode(0x0015): [tcode] no territory_code setting, using default region

## Restoring defaults... ##
num_of_mssid_support(0x0095): [mssid] support [3] mssid
**** wan default: define MULTICAST_IPTV ***
done
[fix_ate_ccode]
!!! cfe_init !!!
cfe_init: CFE MTD 0 boot 0
cfe_init: block size 131072(00020000)
get_embedded_block:: mtd->size(00001000) erasesize(00080000) offset(00000000) emb_size(00020000)
cfe_init: cfe_nvram_header(cfb80400)
cfe_update: before f08 5d
cfe_update: !!!! found !!!!
cfe_update: before f08 5d
cfe_update: !!!! found !!!!
cfe_update: before f08 5d
cfe_update: !!!! found !!!!
cfe_update: before f08 5d
cfe_update: !!!! found !!!!
cfe_update: before f08 5d
cfe_commit: done 0
[fix_Restarting system.
at▒
cfe_update: !!!! found !!!!
 
PCBA
lDSrmqV.jpg

RMTYxQR.jpg

7F2RuHF.jpg
 
I never upgraded CFE, and look like it(r415984?)
CFE version usually it looks 1.0.2.x
You can refer to http://www.snbforums.com/threads/asus-routers-cfe-dumps-collection.17793/

I was troubled by this problem for a long time,But we did not find a solution.

However, the official firmware upgrade to version 9.0.0.4.380.2695
[Important]
If your firmware is 3.0.0.4.374.xxxx, please upgrade to 3.0.0.4.376.3754 first. Only 3.0.0.4.376.3754 can upgrade to this version.
http://www.asus.com/Networking/RTAC56U/HelpDesk_Download/

You can try it.
 

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