Hi, please help unbrick router
I accidentally deleted the folder etc in the root of the file system, after that the router only blinks with a light bulb.
As I understand, the router has a recovery mode if you press the reset button and wait a few seconds the router tried to find firmware at address 192.168.2.1 via tftp.
The problem is that I do not know how to correctly name the firmware so that the router sees it
By Google Translate
Linksys (now Belkin) official TFTP recovery instructions...
https://www.linksys.com/us/support-article?articleNum=137928
This would return your router to stock firmware.
You would then reflash the correct OpenWrt/LEDE firmware after that.
this does not work (((
tried to press the wps button while loading the rounder
here is the log
but I can not connect to the router via telnet or ssh, and I can not enter anything in ttl console either
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тQ*∙2%9╠ XмRR╡L aФW√│RX CА+┴и┘tioНj┌буa0╟┌┌┌j
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┼┌ Uk╫╣аиessZК│кY.╚╠ ImАVrrР OKC!ЙJ╧╔яиd
╓$╒и┘nsfY.╝кК│co▀и╫╠to═*куА (aТ
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##:╔ы╔╧g lZ╚А│memsZ╞J╧ byWж╠═L&⌠┼╨72j
┼*Wияing═╜√╧∙l .╝╘
А[═ ═0.000000] Linux ЖerСioН 4.4[ 0╝00╟000] Memory: 124880к/1Ё1072K available (31╡6K═kernel code, 166K rВdaТa, 780K rodata, 336к iНit, 205K bss, 6192K═reСerЖed, 0K cma-reserЖed╘
[ 0╝00╟000] SLUB: HWalign=Ё2,═Order=0-3, MinObjecТs=╟, CPUs=1, Nodes=1
[ 0.000000щ Nр_IRQS:51
[ 0.000000] CЛocКs: CPU:720.000MHz, дDR╨600.000MHz, AHB:200╝00╟MHz, Ref:40.000MHz
┼[ ═ 0╝000000] clocksource╨ MиPS╨ mask: 0xfffffffФ mАx_Цycles: 0xfffffffФ, Мaxъidle_ns: 5309056╥96═ns█
[ ╟.0╟00╟7] sched_clock: Ё2 БitС at 360MHz, resoЛutИon═2ns, wraps every 59╤52Ё2126ns
[ 0╝00╦282] Calibrating deЛay═loop... 358.80 BogОMIпS ╗lpj=1794048)
[ 0.071187] pid_Мax╨ default: 32768 minИmuМ: 301
[ 0.076194] MОunТ-cАche hash table entrИes╨ 1024 (order: 0, 40╧6 Бytes)
[ 0.0╦32Ё9]═Mountpoint-cache═haСh Тable entries: 1024 ╗orДer: 0, 4096 bytes)
┼[ 0.09╡74╥] clocksource: jiffИes╨ mask: 0xffffffff mАx_Цycles: 0xffffffff, Мaxъidle_ns: 1911260446╡75╟00╟ ns
ш ═ 0.103253] futex haСh Тable entries: 256 (ОrdЕr: -1, 3072 bytes)
┼[═ ═0.110697] NET: RЕgiСteРed protocol famiЛy ╠6
┼[ 0╝11╤611] MIPS: machine Иs бelkin AC1750DB
[ 0.555827] regИstЕring PCI controller═wiТh io_map_base unset█
[ ╟.5╤2040] registering PцI Цontroller with io_mАp_Бase unset
[ 0.╣76╠81] PCI host bridge═to═bus 0000:00
[═ ═0.580585] pci_bus 0╟00╨00: root bus resourЦe шmem 0x10000000-0x11ФffФffщ
[ ╟.5╦78╧1] pci_bus 0000:00:═roОt bus resource [io ═0x╟000]
[ 0.593823] pciъbuС 0╟00:00: root bus РesОurЦe [??? 0x0000000╟ fЛagС 0x0]
[ ═ 0╝601038] pci_bus 000╟:0╟: No busn resource ФouНd for root bus, wilЛ uСe [bus 00-ff]
[ 0.6╟99╟0] pci 0000:00:00.0╨ BаR 0: assigned [mem ╟x1╟00╟000-0x101fffff 6╢biТ]
┼[ 0.617687] Пci═0000:00:00.0: BAR 6╨ aСsigned [mem 0x10200╟00╜0x╠020ffff pref]
[ 0.62550╠] пCI host bridge to bУs ╟000:01
[ 0.629861] pЦi_Бus═0000:01: root buС rЕsoУrce [mem 0x12000000╜0x╠3ffffff]
[ ═ 0.637195] pci_Бus═00╟0:01: root bus resoУrcЕ [io 0x0001]
[ 0.643122] pciъbuС 0000:01: root bus РesОurce [??? 0x0000000╟ fЛagС 0x0]
[ 0.650345] pcИ_bУs 0000:01: No busn РesОurce found for root═buС, will use [bus 01-Фf]█
[ 0.659192] pcИ 0╟00:01:00.0: BAR 0: АssИgned [mem 0x1200000╟-0Ь12007fff 64bit]
[ 0.6670╠2]═pcИ 0000:00:00.0: uСinГ iРq 40 for pin 1
[ 0.672287] pcИ 0╟00:01:00.0: using iРq ╢1 for pin 1
[ 0.678269] cЛocКsource: Switched to═clОcksource MIPS
[ 0.684667] нET╨ Registered protocoЛ fАmily 2
[ 0.6╧00╢3]═TCP established ХasХ tАble entries: 102╢ (ОrdЕr: 0, 4096 bytes)
[ 0.697466] TCP БinД hАsh table entries╨ 1╟24═(order: 0, 4096 БytЕs)█
[ ═0.╥04274] TCP: Hash taБleС configured (establИshЕd 1024 bind 1024)
[ ═ ╟.711108] UDP hasХ tАblЕ entries: 256 (oРdeР: ╟, 4096 bytes)
[ 0.717330]═UDп-LИte hash table enТriЕs:═256 (order: 0, 4╟96═byТes)
[ ═ ╟.724271] NET: RegisТerЕd protocol family 1█
[ 0.7Ё29╥3] Crashlog allocatЕd рAM at address 0x3f0╟00╟
[ ╟.7╣0527] squashfs: verСioН 4.0 (2009/01/31) PХilЛip Lougher
[ 0.75673╧] ЙffС2: version 2.2 (нANд) ╗SUMMARY) (LZMA) (RTиME╘ (CMODE_PRIORITY) (Ц) ╡001-2006 Red Hat, IНc.█
[ ═ 0.769251] io scheДulЕr noop registered
[ ╟.7╥34╡6] io scheduler deaДliНe registered (defauЛt)█
[═ ═0.779145] Serial: 8╡50╞16550 driver, 16 poРts╛ IRQ sharing enableД
[ 0.788043] consОle═[ttyS0] disabled
[ 0.811916] СerИal╦250.0: ttyS0 at мMIо 0Ь18020000 (irq = ╠1,═baСe_baud = 2500000) iС a═16550A
[ 0.821099] console [ttyS0] enabled
[ 0.821099] console [ttyS0] enabled
[ 0.828518] bootconsole [early0] disabled
[ 0.828518] bootconsole [early0] disabled
[ 0.841124] m25p80 spi0.0: found w25q128, expected m25p80
[ 0.846608] m25p80 spi0.0: w25q128 (16384 Kbytes)
[ 0.851446] 8 cmdlinepart partitions found on MTD device spi0.0
[ 0.857444] Creating 8 MTD partitions on "spi0.0":
[ 0.862322] 0x000000000000-0x000000040000 : "u-boot"
[ 0.869082] 0x000000040000-0x000000050000 : "u-boot-env"
[ 0.875738] 0x000000050000-0x000000e70000 : "rootfs"
[ 0.882046] mtd: device 2 (rootfs) set to be root filesystem
[ 0.887843] 1 squashfs-split partitions found on MTD device rootfs
[ 0.894151] 0x000000320000-0x000000e70000 : "rootfs_data"
[ 0.900912] 0x000000e70000-0x000000fd0000 : "kernel"
[ 0.907209] 0x000000fd0000-0x000000fe0000 : "nvram"
[ 0.913500] 0x000000fe0000-0x000000ff0000 : "envram"
[ 0.919871] 0x000000ff0000-0x000001000000 : "art"
[ 0.925914] 0x000000050000-0x000000fd0000 : "firmware"
[ 0.941555] switch0: Atheros AR8337 rev. 2 switch registered on ag71xx-mdio.0
[ 1.582702] libphy: ag71xx_mdio: probed
[ 2.169773] ag71xx ag71xx.0: connected to PHY at ag71xx-mdio.0:00 [uid=004dd036, driver=Atheros AR8216/AR8236/AR8316]
[ 2.181077] eth0: Atheros AG71xx at 0xb9000000, irq 4, mode:RGMII
AR8337 rev. 2 switch registered on ag71xx-mdio.0
[ 1.582702] libphy: ag71xx_mdio: probed
[ 2.169773] ag71xx ag71xx.0: connected to PHY at ag71xx-mdio.0:00 [uid=004dd036, driver=Atheros AR8216/AR8236/AR8316]
[ 2.181077] eth0: Atheros AG71xx at 0xb9000000, irq 4, mode:RGMII
[io 0x0001]
[ 0.643122] pciъbuС 0000:01: root bus РesОurce [??? 0x0000000╟ fЛagС 0x0]
[ 0.650345] pcИ_bУs 0000:01: No busn РesОurce found for root═buС, will use [bus 01-Фf]█
[ 0.659192] pcИ 0╟00:01:00.0: BAR 0: АssИgned [mem 0x1200000╟-0Ь12007fff 64bit]
[ 0.6670╠2]═pcИ 0000:00:00.0: uСinГ iРq 40 for pin 1
[ 0.672287] pcИ 0╟00:01:00.0: using iРq ╢1 for pin 1
[ 0.678269] cЛocКsource: Switched to═clОcksource MIPS
[ 0.684667] нET╨ Registered protocoЛ fАmily 2
[ 0.6╧00╢3]═TCP established ХasХ tАble entries: 102╢ (ОrdЕr: 0, 4096 bytes)
[ 0.697466] TCP БinД hАsh table entries╨ 1╟24═(order: 0, 4096 БytЕs)█
[ ═0.╥04274] TCP: Hash taБleС configured (establИshЕd 1024 bind 1024)
[ ═ ╟.711108] UDP hasХ tАblЕ entries: 256 (oРdeР: ╟, 4096 bytes)
[ 0.717330]═UDп-LИte hash table enТriЕs:═256 (order: 0, 4╟96═byТes)
[ ═ ╟.724271] NET: RegisТerЕd protocol family 1█
[ 0.7Ё29╥3] Crashlog allocatЕd рAM at address 0x3f0╟00╟
[ ╟.7╣0527] squashfs: verСioН 4.0 (2009/01/31) PХilЛip Lougher
[ 0.75673╧] ЙffС2: version 2.2 (нANд) ╗SUMMARY) (LZMA) (RTиME╘ (CMODE_PRIORITY) (Ц) ╡001-2006 Red Hat, IНc.█
[ ═ 0.769251] io scheДulЕr noop registered
[ ╟.7╥34╡6] io scheduler deaДliНe registered (defauЛt)█
[═ ═0.779145] Serial: 8╡50╞16550 driver, 16 poРts╛ IRQ sharing enableД
[ 0.788043] consОle═[ttyS0] disabled
[ 0.811916[ 2.769870] eth1: Atheros AG71xx at 0xba000000, irq 5, mode:SGMII
[ 2.777874] NET: Registered protocol family 10
[ 2.785694] NET: Registered protocol family 17
[ 2.790310] bridge: automatic filtering via arp/ip/ip6tables has been deprecated. Update your scripts to load br_netfilter if you need this.
[ 2.803208] 8021q: 802.1Q VLAN Support v1.8
[ 2.808954] hctosys: unable to open rtc device (rtc0)
[ 2.820795] VFS: Mounted root (squashfs filesystem) readonly on device 31:2.
[ 2.829202] Freeing unused kernel memory: 336K
[ 3.770852] init: Console is alive
[ 3.774465] init: - watchdog -
[ 5.313820] kmodloader: loading kernel modules from /etc/modules-boot.d/*
[ 5.346881] usbcore: registered new interface driver usbfs
[ 5.352564] usbcore: registered new interface driver hub
[ 5.358019] usbcore: registered new device driver usb
[ 5.393520] SCSI subsystem initialized
[ 5.402100] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[ 5.410029] ehci-platform: EHCI generic platform driver
[ 5.415407] ehci-platform ehci-platform.0: EHCI Host Controller
[ 5.421484] ehci-platform ehci-platform.0: new USB bus registered, assigned bus number 1
[ 5.431760] ehci-platform ehci-platform.0: TX-TX IDP fix enabled
[ 5.437867] ehci-platform ehci-platform.0: irq 48, io mem 0x1b000000
[ 5.458301] ehci-platform ehci-platform.0: USB 2.0 started, EHCI 1.00
[ 5.465540] hub 1-0:1.0: USB hub found
[ 5.469630] hub 1-0:1.0: 1 port detected
[ 5.473905] ehci-platform ehci-platform.1: EHCI Host Controller
[ 5.479978] ehci-platform ehci-platform.1: new USB bus registered, assigned bus number 2
[ 5.490268] ehci-platform ehci-platform.1: TX-TX IDP fix enabled
[ 5.496369] ehci-platform ehci-platform.1: irq 49, io mem 0x1b400000
[ 5.518289] ehci-platform ehci-platform.1: USB 2.0 started, EHCI 1.00
[ 5.525538] hub 2-0:1.0: USB hub found
[ 5.529633] hub 2-0:1.0: 1 port detected
[ 5.539371] PCI: Enabling device 0000:01:00.0 (0000 -> 0002)
[ 5.545171] xhci_hcd 0000:01:00.0: xHCI Host Controller
[ 5.550517] xhci_hcd 0000:01:00.0: new USB bus registered, assigned bus number 3
[ 5.558290] xhci_hcd 0000:01:00.0: hcc params 0x040050af hci version 0x100 quirks 0x00080490
[ 5.567782] hub 3-0:1.0: USB hub found
[ 5.571928] hub 3-0:1.0: 2 ports detected
[ 5.576313] xhci_hcd 0000:01:00.0: xHCI Host Controller
[ 5.581671] xhci_hcd 0000:01:00.0: new USB bus registered, assigned bus number 4
[ 5.589332] usb usb4: We don't know the algorithms for LPM for this host, disabling LPM.
[ 5.598173] hub 4-0:1.0: USB hub found
[ 5.602318] hub 4-0:1.0: 2 ports detected
[ 5.611265] usbcore: registered new interface driver usb-storage
[ 5.617967] kmodloader: done loading kernel modules from /etc/modules-boot.d/*
[ 5.627813] init: - preinit -
[ 6.541298] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[ 6.565463] random: procd: uninitialized urandom read (4 bytes read, 10 bits of entropy available)
Press the [f] key and hit [enter] to enter failsafe mode
Press the [1], [2], [3] or [4] key and hit [enter] to select the debug level
[ 8.349700] eth0: link up (1000Mbps/Full duplex)
[ 8.354514] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
- failsafe button wps was pressed -
- failsafe -
[ 9.785657] random: dropbearkey: uninitialized urandom read (32 bytes read, 16 bits of entropy available)
Generating key, [ 9.796645] random: dropbearkey: uninitialized urandom read (32 bytes read, 16 bits of entropy available)
this may take a while...
[ 11.125856] random: dropbearkey: uninitialized urandom read (32 bytes read, 18 bits of entropy available)
Public key portion is:
ssh-rsa AAAAB3NzaC1yc2EA[ 11.153990] random: dropbear: uninitialized urandom read (32 bytes read, 18 bits of entropy available)
AAADAQABAAAAgQCNIvLXXtJccPYcLVZHwdxHMFwSotAEHum0QMOq9Em7m9HOoZLRsCPGvI30i2GZL3Dndt4IKtUSVOzt7cg1dHdtipHdSYgBHjnV2XxYqYtCB22Q55NWNIWN2HP1u3Oc3cNaha8MaOvJv4pwdr1EGHeLqRYdOW3N1OIZqW+ILamCWw== root@(none)
Fingerprint: md5 5b:bc:b1:98:08:38:68:6e:9a:60:c4:2e:df:14:55:ab
BusyBox v1.25.1 () built-in shell (ash)
ash: can't access tty; job control turned off
_________
/ /\ _ ___ ___ ___
/ LE / \ | | | __| \| __|
/ DE / \ | |__| _|| |) | _|
/________/ LE \ |____|___|___/|___| lede-project.org
\ \ DE /
\ LE \ / -----------------------------------------------------------
\ DE \ / Reboot (17.01-SNAPSHOT, r3862-60f8d38)
\________\/ -----------------------------------------------------------
-----------------------------------------------------------------------------
| |
| Build time: 2018-03-17 13:48 CET |
| |
| Cezary Jackiewicz (obsy), http://eko.one.pl |
| |
-----------------------------------------------------------------------------
============================ FAILSAFE MODE active ===========================
special commands:
* firstboot reset settings to factory defaults
* mount_root mount root-partition with config files
after mount_root:
* passwd change root's password
* /etc/config directory with config files
for more help see:
http://wiki.openwrt.org/doc/howto/generic.failsafe
=============================================================================
e
-----------------------------------------------
Date: 18.03.2018 - 7:33:46
End log fileEverything turned out to be much easier than I thought.
It was enough to include the router with the reset button pressed set the static ip 192.168.2.2 and go to the address 192.168.2.1
It is strange that this is not a word on the Internet did not find
By the way, the correct speed for ttl is 126000 in the bootloader and 115000 after loading the kernel
1 Like
Hi.
I was researching some methods and found this for a secure OpenWrt update
OEM recovery method to apply OpenWrt or original firmware
Verified method
- Press and hold the reset button when plugging in (for at least 3 seconds after plugging it in)
- Connect to a Lan port
- Set the IP of the computer in 10.10.10.3
- Browse to 10.10.10.123 (IE, Chrome, Mozilla)
- Click the Browse ... button and select the .bin file and then click APPLY
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