HELP to unbriking archer c60

Hello friends, I have an old archer c60 which I had working with openwrt 19 and I wanted to update it, however something went wrong and now my router is bricked, I tried to use tftp with the firmware 21 update but it is unsuccessful...

I opened the router and installed the pins to do it by serial, and now I already have it installed but when I run the serial conection using putty I get all this

I have tried typing 'tpl and enter' quickly but it does not work, I have also tried to type 'f and enter' but once again without success to get in the failsafe mode to be able to use the tftp but nothing happend

I hope someone can help me because I don't know what to do

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                                         r▒▒▒C▒[    0.▒00000▒ L▒nux versio▒ ▒.1▒.2▒5 (bui▒der@buildhost) ▒gcc versio▒ 7.5.0 (O▒e▒Wrt ▒▒C▒7.5.▒ r1▒42▒-9ce6▒a9d8d)) #0▒Sat ▒pr 16 13:13:▒2 ▒022▒
                                                         [    0.000000ݠb▒otconsole [ear▒y0]▒e▒able▒
[▒ ▒▒0▒000▒00] CPU▒ revision i▒: 000▒9750 ▒MIPS 74▒c▒
▒[▒   0.00▒00▒] De▒ermi▒ed physical▒▒AM map:er C▒0 v3▒▒[    0.00000▒] S▒C: ▒ualcomm Athe▒os Q▒A956X▒▒er▒1 re▒ ▒
[ ▒  0.000000]  memory: ▒40▒0000 @▒00000000 (usabl▒)
[  ▒ 0.0▒0▒00▒ I▒itrd not▒fou▒▒ or▒empt▒ - disabling i▒i▒rd
▒▒    0▒▒00000▒ Prim▒ry ▒a▒a cac▒e 32k▒, 4-w▒y▒ ▒IPT, cache▒aliases, l▒nesize 32 bytes▒
                                                                                       [    0.▒00000] Z▒ne▒ra▒ge▒:
[    0▒0000▒0]   Normal  ▒[m▒m 0x▒000▒00000000▒0▒-0x0000000▒03ffffff]
[    0.0▒0000] Mov▒bl▒ ▒one▒▒tar▒ f▒r▒each▒no▒e
[    0▒000000]▒Ear▒y memory nod▒ ▒anges
[    ▒.000▒00]  ▒no▒e   ▒: [mem ▒x000000000▒000000-0x0000000▒03▒fffff]
[    ▒.0▒0000] In▒t▒em setup node 0 [me▒ 0▒00▒000000▒000000-0x▒0▒00▒0003ffff▒f]▒
                                                                                ▒ ▒ ▒▒.000▒00] rand▒m:▒get_r▒n▒om_bytes called ▒rom 0x8050374▒ with crng_init=0
[    0.0▒0000]▒B▒ilt 1 zo▒el▒sts,▒m▒bili▒y g▒ouping on▒  ▒otal pages: 1625▒
[ ▒  0.▒00000] Ke▒ne▒ command li▒e: console=ttyS0▒115200n▒▒rootf▒t▒p▒=squa▒hfs,jff▒2
[  ▒ 0.00▒00▒] P▒D ▒ash ta▒le entr▒es: 256 (▒rder: -2, 1024 ▒ytes)
[▒   0.000000] Dentry c▒c▒e ha▒h ta▒le e▒▒ries: ▒1▒2 ▒▒rder: 3, 32768 byte▒
[   ▒▒.0▒0000▒ Inode-c▒che ha▒h table e▒tries:▒4096 (or▒er: 2,▒1▒384 byt▒s)
▒▒    ▒.000▒00] Rea▒back E▒rCt▒ ▒eg▒s▒er=0▒00000▒
[▒   0.▒0▒0▒0]▒Me▒ory:▒58332K/▒55▒6K▒av▒ilable▒▒4051▒ kernel code, 154▒ r▒d▒ta, 532K r▒dat▒, ▒204K i▒it, ▒12K bss,▒7▒04▒ ▒es▒r▒ed,▒0K cma-r▒se▒ved▒
[    0.000000] SL▒B: H▒alig▒=32, Or▒er=0-3, M▒nO▒j▒cts▒0, CPUs=1,▒N▒de▒=1▒
▒[    0.▒00▒0▒] CP▒ clock▒ ▒7▒.000 MHz                                    ▒   ▒0.00▒0▒0]▒NR▒IRQS:▒51
[   ▒0.▒0000▒] clocksou▒c▒: MIPS: mask: 0x▒fffffff ▒ax_c▒cles: ▒xffffffff, ▒a▒_▒dl▒_ns: 49▒22850▒4▒▒s
▒    0.0▒000▒] ▒ched_▒l▒ck: 32 bits ▒t 38▒MHz, resolutio▒ 2▒s,▒w▒aps ev▒ry 554▒89▒1▒▒ns▒
                                                                                        [  ▒ 0.0▒8229] Calibr▒ting▒delay▒l▒op▒.. 38▒.84 Bog▒MIPS▒(▒pj=1929216)▒
                         [    0.074772ݠpid_max▒ d▒fau▒t: ▒2768 mi▒imu▒: 301▒
                                                                            [▒   0▒07▒795] Mount-c▒c▒e has▒ table ▒n▒▒ies: 1024 ▒order▒[    0.0867▒8] M▒unt▒oint-cache hash table▒entries: 102▒ (o▒d▒r: ▒, 4096 ▒ytes▒
[  ▒ ▒.09765▒] cloc▒s▒u▒ce: j▒ff▒e▒: mask: ▒xfffffff▒ ▒ax_cy▒le▒: 0xffffffff▒▒ma▒_idle_ns: ▒911▒604462750▒00 ns
[▒   ▒.10805▒] fute▒ ▒▒sh table▒e▒t▒i▒s: 25▒ (order:▒-1, 3▒72 by▒es▒
▒[  ▒ 0▒▒22083] NET: Regi▒tered pr▒tocol▒family 16u▒syste▒
[  ▒ ▒.129716] PCI h▒s▒ bri▒ge /ahb/p▒▒e▒contr▒l▒e▒@182▒0▒0▒ ranges:
[▒   0.1▒6▒91]▒ MEM 0▒00▒00▒01▒000▒0▒..0x▒0000▒00▒3f▒f▒ff
▒[    0▒16▒621] p▒i_bus 0000:00: ro▒t▒bus ▒esource [m▒m 0x12000000-0x▒3ff▒fff]
[ ▒  0▒1▒2▒05]▒pci_bus▒0▒00:0▒: ▒oo▒ ▒us ▒e▒ource [io ▒0x00▒0]
[   ▒0.1▒8▒6▒] p▒▒_b▒s 0000▒0▒: roo▒ bus▒resour▒e [???▒0▒0000000▒ flags 0x0]▒
                                                                             [ ▒ ▒▒.185▒2▒]▒▒ci_bus 0▒0▒:▒0: N▒ b▒sn res▒urc▒ ▒ound fo▒[▒   0▒▒9▒▒70]▒pc▒ 00▒0▒00:▒0.0: BA▒ 0▒ ▒ssign▒▒ [▒em ▒x12▒0▒00▒-0x1▒1f▒fff 64bit]
[▒   0.2▒49▒6] clockso▒rc▒: ▒w▒tche▒to clocksource ▒IPS
[  ▒ 0.2▒1▒▒4▒ ▒ET:▒Registered p▒o▒oco▒ fami▒y 2
[▒   0.▒15985]▒IP ▒d▒nt▒ h▒sh ta▒le ▒ntri▒s▒ ▒0▒8 (or▒er: 2, 163▒4▒by▒e▒)
[ ▒  ▒.2▒3470▒ ▒C▒ establ▒sh▒d▒ha▒h table entr▒es: 102▒▒(order:▒0,▒4096 bytes▒
[  ▒▒0.▒308▒2] ▒CP▒b▒▒d ▒as▒ t▒ble e▒▒ri▒s: 1024 (orde▒: 0,▒4096 b▒tes)
[ ▒  ▒.2375▒8] TCP: H▒sh▒tabl▒s c▒n▒igur▒d (▒s▒a▒lis▒ed 10▒4▒b▒nd 1024)
[   ▒0.24440▒] UDP ▒ash▒table ▒ntries:▒2▒6 (o▒der: 0, 40▒6 b▒t▒s)
[    0.250616] UDP-Lite ▒ash ▒able ▒n▒r▒es▒ ▒56 (ord▒r: ▒, 4▒9▒ bytes)
[    0.2▒▒414] ▒ET:▒Reg▒ster▒d pr▒t▒col▒family 1
▒   ▒0.264565]▒Cra▒hlog al▒oc▒▒ed▒RA͠at a▒dress 0▒3f000▒0▒
                                                         [  ▒ 0.271297] wor▒ingset: tim▒st▒m▒_▒▒t▒=30▒max▒or▒▒r=14 bu▒ket▒ord▒r▒0
[   ▒0.28▒37▒] squa▒▒fs:▒ve▒▒io▒ ▒.▒ (2009▒0▒/31) Ph▒llip L▒ugher
[ ▒  0.28855▒] jffs2:▒vers▒on▒2.▒ (NAND▒ (S▒MMA▒Y) (LZMA) (▒TIME) (▒MODE▒PRIORI▒Y) (▒) 2001▒2006▒Red▒Hat, I▒c.
[   ▒0.3070▒▒] io sch▒d▒l▒r ▒oo▒ re▒i▒t▒red▒
                                            ▒    0.311220] io▒sch▒▒uler ▒e▒dline r▒giste▒▒d (def▒ult▒
[▒ ▒ 0.3183▒7] pinctrl-sin▒le ▒804002▒pinmu▒:▒5▒4▒pi▒s▒a▒ p▒ ▒8▒4002c size 68▒
                                                                              [▒   0.326673▒ Ser▒▒l:▒8250/16▒50 driv▒r, 16▒port▒, ▒▒Q shar▒ng ena▒led▒
▒[▒ ▒ 0▒3▒▒258▒ 18020▒00.u▒r▒: ▒tyS0 at▒MMIO▒0x▒80200▒0 ▒i▒q▒=▒9▒ ▒as▒_▒a▒d =▒1▒625▒0▒ is a 1655▒A
[    0.348390] console [ttyS0] enabled
[    0.348390] console [ttyS0] enabled
[    0.355956] bootconsole [early0] disabled
[    0.355956] bootconsole [early0] disabled
[    0.381349] m25p80 spi0.0: s25fl064k (8192 Kbytes)
[    0.386371] 6 fixed-partitions partitions found on MTD device spi0.0
[    0.392925] Creating 6 MTD partitions on "spi0.0":
[    0.397900] 0x000000000000-0x00000001fb00 : "factory-boot"
[    0.404238] 0x00000001fb00-0x000000020000 : "mac"
[    0.409787] 0x000000020000-0x000000030000 : "u-boot"
[    0.415604] 0x000000030000-0x0000007d0000 : "firmware"
[    0.423857] 2 uimage-fw partitions found on MTD device firmware
[    0.430022] Creating 2 MTD partitions on "firmware":
[    0.435179] 0x000000000000-0x000000187d59 : "kernel"
[    0.440922] 0x000000187d59-0x0000007a0000 : "rootfs"
[    0.446713] mtd: device 5 (rootfs) set to be root filesystem
[    0.452613] 1 squashfs-split partitions found on MTD device rootfs
[    0.459047] 0x000000470000-0x0000007a0000 : "rootfs_data"
[    0.465300] 0x0000007d0000-0x0000007f0000 : "tplink"
[    0.471062] 0x0000007f0000-0x000000800000 : "art"
[    0.816071] ag71xx 19000000.eth: Could not connect to PHY device. Deferring probe.
[    1.499892] switch0: Atheros AR8229 rev. 1 switch registered on mdio-bus.0
[    1.570402] ag71xx 1a000000.eth: connected to PHY at fixed-0:00 [uid=00000000, driver=Generic PHY]
[    1.580243] eth0: Atheros AG71xx at 0xba000000, irq 5, mode: gmii
[    1.588778] NET: Registered protocol family 10
[    1.598125] Segment Routing with IPv6
[    1.601991] NET: Registered protocol family 17
[    1.606672] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[    1.620070] 8021q: 802.1Q VLAN Support v1.8
[    1.970647] ag71xx 19000000.eth: connected to PHY at mdio-bus.0:1f:04 [uid=004dd042, driver=Generic PHY]
[    1.981243] eth1: Atheros AG71xx at 0xb9000000, irq 4, mode: mii
[    1.988056] hctosys: unable to open rtc device (rtc0)
[    1.998603] VFS: Mounted root (squashfs filesystem) readonly on device 31:5.
[    2.012588] Freeing unused kernel memory: 1204K
[    2.017297] This architecture does not have kernel memory protection.
[    2.464987] random: fast init done
[    2.661917] init: Console is alive
[    2.665686] init: - watchdog -
[    3.698544] kmodloader: loading kernel modules from /etc/modules-boot.d/*
[    3.738047] kmodloader: done loading kernel modules from /etc/modules-boot.d/*
[    3.756326] init: - preinit -
[    4.565167] random: jshn: uninitialized urandom read (4 bytes read)
[    4.672079] random: jshn: uninitialized urandom read (4 bytes read)
[    4.814758] random: jshn: uninitialized urandom read (4 bytes read)
[    5.491704] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[    5.497845] IPv6: ADDRCONF(NETDEV_UP): eth0.1: link is not ready
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
[    6.516142] eth0: link up (1000Mbps/Full duplex)
[    6.520942] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[    6.527751] IPv6: ADDRCONF(NETDEV_CHANGE): eth0.1: link becomes ready
[    8.739378] jffs2: notice: (475) jffs2_build_xattr_subsystem: complete building xattr subsystem, 24 of xdatum (3 unchecked, 21 orphan) and 41 of xref (21 dead, 0 orphan) found.
[    8.757414] mount_root: switching to jffs2 overlay
[    8.782141] overlayfs: upper fs does not support tmpfile.
[    8.794570] urandom-seed: Seeding with /etc/urandom.seed
[    8.891889] eth0: link down
[    8.912139] procd: - early -
[    8.915492] procd: - watchdog -
[    9.537087] procd: - watchdog -
[    9.540623] procd: - ubus -
[    9.603220] urandom_read: 5 callbacks suppressed
[    9.603227] random: ubusd: uninitialized urandom read (4 bytes read)
[    9.616504] random: ubusd: uninitialized urandom read (4 bytes read)
[    9.624222] procd: - init -
Please press Enter to activate this console.
[   10.195310] kmodloader: loading kernel modules from /etc/modules.d/*
[   10.218563] ip6_tables: (C) 2000-2006 Netfilter Core Team
[   10.237477] Loading modules backported from Linux version v4.19.237-0-ga6e4a1818efa
[   10.245443] Backport generated by backports.git v4.19.237-1-0-gffb89fd9
[   10.266892] ip_tables: (C) 2000-2006 Netfilter Core Team
[   10.291293] nf_conntrack version 0.5.0 (1024 buckets, 4096 max)
[   10.388668] xt_time: kernel timezone is -0000
[   10.489161] PPP generic driver version 2.4.2
[   10.495753] NET: Registered protocol family 24
[   10.557724] ath10k 4.19 driver, optimized for CT firmware, probing pci device: 0x56.
[   10.575930] PCI: Enabling device 0000:00:00.0 (0000 -> 0002)
[   10.582098] ath10k_pci 0000:00:00.0: pci irq legacy oper_irq_mode 1 irq_mode 0 reset_mode 0
[   10.598826] urngd: v1.0.2 started.
[   10.730065] random: crng init done
[   10.805379] ath10k_pci 0000:00:00.0: Direct firmware load for ath10k/fwcfg-pci-0000:00:00.0.txt failed with error -2
[   10.816288] ath10k_pci 0000:00:00.0: Falling back to user helper
[   11.074129] firmware ath10k!fwcfg-pci-0000:00:00.0.txt: firmware_loading_store: map pages failed
[   11.087092] ath10k_pci 0000:00:00.0: Direct firmware load for ath10k/QCA9888/hw2.0/ct-firmware-5.bin failed with error -2
[   11.098459] ath10k_pci 0000:00:00.0: Falling back to user helper
[   11.454310] firmware ath10k!QCA9888!hw2.0!ct-firmware-5.bin: firmware_loading_store: map pages failed
[   11.464136] ath10k_pci 0000:00:00.0: Direct firmware load for ath10k/QCA9888/hw2.0/ct-firmware-2.bin failed with error -2
[   11.475493] ath10k_pci 0000:00:00.0: Falling back to user helper
[   11.844387] firmware ath10k!QCA9888!hw2.0!ct-firmware-2.bin: firmware_loading_store: map pages failed
[   11.854213] ath10k_pci 0000:00:00.0: Direct firmware load for ath10k/QCA9888/hw2.0/firmware-6.bin failed with error -2
[   11.865297] ath10k_pci 0000:00:00.0: Falling back to user helper
[   12.195454] firmware ath10k!QCA9888!hw2.0!firmware-6.bin: firmware_loading_store: map pages failed
[   12.789181] ath10k_pci 0000:00:00.0: qca9888 hw2.0 target 0x01000000 chip_id 0x00000000 sub 0000:0000
[   12.798754] ath10k_pci 0000:00:00.0: kconfig debug 0 debugfs 1 tracing 0 dfs 1 testmode 0
[   12.818779] ath10k_pci 0000:00:00.0: firmware ver 10.4b-ct-9888-fW-13-8c5b2baa2 api 5 features mfp,peer-flow-ctrl,txstatus-noack,wmi-10.x-CT,ratemask-CT,regdump-CT,txrate-CT,flush-all-CT,pingpong-CT,ch-regs-CT,nop-CT,set-special-CT,tx-rc-CT,cust-stats-CT,txrate2-CT,beacon-cb-CT,wmi-block-ack-CT,wmi-bcn-rc-CT crc32 cbf49903
[   13.182860] ath10k_pci 0000:00:00.0: failed to fetch board data for bus=pci,bmi-chip-id=0,bmi-board-id=20 from ath10k/QCA9888/hw2.0/board-2.bin
[   13.196946] ath10k_pci 0000:00:00.0: board_file api 1 bmi_id 0:20 crc32 8c9208e2
[   15.236399] ath10k_pci 0000:00:00.0: 10.4 wmi init: vdevs: 16  peers: 48  tid: 96
[   15.244177] ath10k_pci 0000:00:00.0: msdu-desc: 2500  skid: 32
[   15.274302] ath10k_pci 0000:00:00.0: wmi print 'P 48/48 V 16 K 144 PH 176 T 186  msdu-desc: 2500  sw-crypt: 0 ct-sta: 0'
[   15.285600] ath10k_pci 0000:00:00.0: wmi print 'free: 114572 iram: 12804 sram: 29508'
[   15.494833] ath10k_pci 0000:00:00.0: htt-ver 2.2 wmi-op 6 htt-op 4 cal pre-cal-file max-sta 32 raw 0 hwcrypto 1
[   15.684830] ieee80211 phy1: Atheros AR9561 Rev:0 mem=0xb8100000, irq=2
[   15.749805] kmodloader: done loading kernel modules from /etc/modules.d/*

That behaviour could be indicative of:

  • unreliable connection (ground in particular)
  • Vcc connected (it shouldn't be!) and backpowering the SOC
  • serial console adapter set to wrong voltage
  • wrong baud rate
2 Likes

mmm that should be very strange because it is the same equipment and driver that I have always used for other opportunities...

1 apparently all the cables are well connected, however I just changed them for others too
2 the vcc is disconnected only the Tx, Rx, GRND is connected
3 is all standard as I have always used it in other cases

4 always its put at 115200

I think my router is no longer useful! it was completely damaged

after several years with openwrt I think its end has come wrapped in a failed update...

how sad...

I will tell everyone about your great feats dear friend...

here goes the people will say great things about you when they see you pass :x::x: