R3P刷了openwrt固件想刷回原版固件，变砖后用ttl进不了uboot只能进ssh，求大神救命
具体信息如下，求大神指点救命:'(▒...... Verifying Checksum ... OK
Uncompressing Kernel Image ... OK
commandline uart_en=0 factory_mode=0 usb_u3=0
No initrd
## Transferring control to Linux (at address 80001000) ...
## Giving linux memsize in MB, 256
Starting kernel ...
[ 0.000000] Linux version 4.14.221 (builder@buildhost) (gcc version 7.5.0 (OpenWrt GCC 7.5.0 r11306-c4a6851c72)) #0 SMP Mon Feb 15 15:22:37 2021
[ 0.000000] SoC Type: MediaTek MT7621 ver:1 eco:3
[ 0.000000] bootconsole enabled
[ 0.000000] CPU0 revision is: 0001992f (MIPS 1004Kc)
[ 0.000000] MIPS: machine is Xiaomi Mi Router 3 Pro
[ 0.000000] Determined physical RAM map:
[ 0.000000]memory: 1c000000 @ 00000000 (usable)
[ 0.000000]memory: 04000000 @ 20000000 (usable)
[ 0.000000] Initrd not found or empty - disabling initrd
[ 0.000000] VPE topology {2,2} total 4
[ 0.000000] Primary instruction cache 32kB, VIPT, 4-way, linesize 32 bytes.
[ 0.000000] Primary data cache 32kB, 4-way, PIPT, no aliases, linesize 32 bytes
[ 0.000000] MIPS secondary cache 256kB, 8-way, linesize 32 bytes.
[ 0.000000] Zone ranges:
[ 0.000000] Normal
[ 0.000000] HighMem
[ 0.000000] Movable zone start for each node
[ 0.000000] Early memory node ranges
[ 0.000000] node 0:
[ 0.000000] node 0:
[ 0.000000] Initmem setup node 0
[ 0.000000] random: get_random_bytes called from 0x80577744 with crng_init=0
[ 0.000000] percpu: Embedded 14 pages/cpu s26224 r8192 d22928 u57344
[ 0.000000] Built 1 zonelists, mobility grouping on.Total pages: 130560
[ 0.000000] Kernel command line: console=ttyS0,115200n8 rootfstype=squashfs,jffs2
[ 0.000000] PID hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.000000] Dentry cache hash table entries: 32768 (order: 5, 131072 bytes)
[ 0.000000] Inode-cache hash table entries: 16384 (order: 4, 65536 bytes)
[ 0.000000] Writing ErrCtl register=000520a6
[ 0.000000] Readback ErrCtl register=000520a6
[ 0.000000] Memory: 512044K/524288K available (4756K kernel code, 239K rwdata, 588K rodata, 1252K init, 255K bss, 12244K reserved, 0K cma-reserved, 262144K highmem)
[ 0.000000] SLUB: HWalign=32, Order=0-3, MinObjects=0, CPUs=4, Nodes=1
[ 0.000000] Hierarchical RCU implementation.
[ 0.000000] NR_IRQS: 256
[ 0.000000] CPU Clock: 880MHz
[ 0.000000] clocksource: GIC: mask: 0xffffffffffffffff max_cycles: 0xcaf478abb4, max_idle_ns: 440795247997 ns
[ 0.000000] clocksource: MIPS: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 4343773742 ns
[ 0.000010] sched_clock: 32 bits at 440MHz, resolution 2ns, wraps every 4880645118ns
[ 0.007829] Calibrating delay loop... 586.13 BogoMIPS (lpj=2930688)
[ 0.073985] pid_max: default: 32768 minimum: 301
[ 0.078760] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.085269] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.094106] Hierarchical SRCU implementation.
[ 0.099283] smp: Bringing up secondary CPUs ...
[ 0.119202] Primary instruction cache 32kB, VIPT, 4-way, linesize 32 bytes.
[ 0.119212] Primary data cache 32kB, 4-way, PIPT, no aliases, linesize 32 bytes
[ 0.119224] MIPS secondary cache 256kB, 8-way, linesize 32 bytes.
[ 0.119361] CPU1 revision is: 0001992f (MIPS 1004Kc)
[ 0.164039] Synchronize counters for CPU 1: done.
[ 0.213112] Primary instruction cache 32kB, VIPT, 4-way, linesize 32 bytes.
[ 0.213121] Primary data cache 32kB, 4-way, PIPT, no aliases, linesize 32 bytes
[ 0.213127] MIPS secondary cache 256kB, 8-way, linesize 32 bytes.
[ 0.213195] CPU2 revision is: 0001992f (MIPS 1004Kc)
[ 0.255229] Synchronize counters for CPU 2: done.
[ 0.300399] Primary instruction cache 32kB, VIPT, 4-way, linesize 32 bytes.
[ 0.300408] Primary data cache 32kB, 4-way, PIPT, no aliases, linesize 32 bytes
[ 0.300414] MIPS secondary cache 256kB, 8-way, linesize 32 bytes.
[ 0.300490] CPU3 revision is: 0001992f (MIPS 1004Kc)
[ 0.340416] Synchronize counters for CPU 3: done.
[ 0.370273] smp: Brought up 1 node, 4 CPUs
[ 0.378150] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[ 0.387944] futex hash table entries: 1024 (order: 3, 32768 bytes)
[ 0.394227] pinctrl core: initialized pinctrl subsystem
[ 0.400943] NET: Registered protocol family 16
[ 0.412214] pull PCIe RST: RALINK_RSTCTRL = 4000000
[ 0.717516] release PCIe RST: RALINK_RSTCTRL = 7000000
[ 0.722561] ***** Xtal 40MHz *****
[ 0.725921] release PCIe RST: RALINK_RSTCTRL = 7000000
[ 0.731020] Port 0 N_FTS = 1b102800
[ 0.734488] Port 1 N_FTS = 1b102800
[ 0.737928] Port 2 N_FTS = 1b102800
[ 1.893114] PCIE2 no card, disable it(RST&CLK)
[ 1.897475]-> 21007f2
[ 1.899875] PCIE0 enabled
[ 1.902469] PCIE1 enabled
[ 1.905070] PCI host bridge /pcie@1e140000 ranges:
[ 1.909844]MEM 0x0000000060000000..0x000000006fffffff
[ 1.915007] IO 0x000000001e160000..0x000000001e16ffff
[ 1.920204] PCI coherence region base: 0xbfbf8000, mask/settings: 0x60000000
[ 1.936635] mt7621_gpio 1e000600.gpio: registering 32 gpios
[ 1.942456] mt7621_gpio 1e000600.gpio: registering 32 gpios
[ 1.948167] mt7621_gpio 1e000600.gpio: registering 32 gpios
[ 1.955740] PCI host bridge to bus 0000:00
[ 1.959773] pci_bus 0000:00: root bus resource
[ 1.966636] pci_bus 0000:00: root bus resource
[ 1.972463] pci_bus 0000:00: root bus resource [??? 0x00000000 flags 0x0]
[ 1.979221] pci_bus 0000:00: No busn resource found for root bus, will use
[ 1.987789] pci 0000:00:00.0: bridge configuration invalid (), reconfiguring
[ 1.995716] pci 0000:00:01.0: bridge configuration invalid (), reconfiguring
[ 2.004775] pci 0000:00:00.0: BAR 0: no space for
[ 2.011330] pci 0000:00:00.0: BAR 0: failed to assign
[ 2.018199] pci 0000:00:01.0: BAR 0: no space for
[ 2.024781] pci 0000:00:01.0: BAR 0: failed to assign
[ 2.031685] pci 0000:00:00.0: BAR 8: assigned
[ 2.038440] pci 0000:00:01.0: BAR 8: assigned
[ 2.045158] pci 0000:00:00.0: BAR 1: assigned
[ 2.051917] pci 0000:00:01.0: BAR 1: assigned
[ 2.058643] pci 0000:01:00.0: BAR 0: assigned
[ 2.065925] pci 0000:00:00.0: PCI bridge to
[ 2.070816] pci 0000:00:00.0: bridge window
[ 2.077588] pci 0000:02:00.0: BAR 0: assigned
[ 2.084823] pci 0000:00:01.0: PCI bridge to
[ 2.089761] pci 0000:00:01.0: bridge window
[ 2.097733] clocksource: Switched to clocksource GIC
[ 2.104354] NET: Registered protocol family 2
[ 2.109386] TCP established hash table entries: 2048 (order: 1, 8192 bytes)
[ 2.116272] TCP bind hash table entries: 2048 (order: 2, 16384 bytes)
[ 2.122729] TCP: Hash tables configured (established 2048 bind 2048)
[ 2.129141] UDP hash table entries: 256 (order: 1, 8192 bytes)
[ 2.134909] UDP-Lite hash table entries: 256 (order: 1, 8192 bytes)
[ 2.141380] NET: Registered protocol family 1
[ 2.377676] 4 CPUs re-calibrate udelay(lpj = 2924544)
[ 2.384160] Crashlog allocated RAM at address 0x3f00000
[ 2.389580] workingset: timestamp_bits=30 max_order=17 bucket_order=0
[ 2.403161] squashfs: version 4.0 (2009/01/31) Phillip Lougher
[ 2.408960] jffs2: version 2.2 (NAND) (SUMMARY) (LZMA) (RTIME) (CMODE_PRIORITY) (c) 2001-2006 Red Hat, Inc.
[ 2.420193] random: fast init done
[ 2.425636] bounce: pool size: 64 pages
[ 2.429449] io scheduler noop registered
[ 2.433278] io scheduler deadline registered (default)
[ 2.439556] Serial: 8250/16550 driver, 16 ports, IRQ sharing enabled
[ 2.449510] console disabled
[ 2.453058] 1e000c00.uartlite: ttyS0 at MMIO 0x1e000c00 (irq = 19, base_baud = 3125000) is a 16550A
[ 2.462110] console enabled
[ 2.462110] console enabled
[ 2.468987] bootconsole disabled
[ 2.468987] bootconsole disabled
[ 2.479359] MediaTek Nand driver init, version v2.1 Fix AHB virt2phys error
[ 2.486436] Enable NFI Clock
[ 2.489355] # MTK NAND # : Use HW ECC
[ 2.493019] Device found in MTK table, ID: c8da, EXT_ID: 909544
[ 2.498971] Support this Device in MTK table! c8da
[ 2.503923] select ecc bit:4, sparesize :64 spare_per_sector=16
[ 2.510405] nand: device found, Manufacturer ID: 0xc8, Chip ID: 0xda
[ 2.516726] nand: ESMT NAND 256MiB 3,3V 8-bit
[ 2.521084] nand: 256 MiB, SLC, erase size: 128 KiB, page size: 2048, OOB size: 64
[ 2.528651] Scanning device for bad blocks
[ 2.818255] 10 fixed-partitions partitions found on MTD device MT7621-NAND
[ 2.825097] Creating 10 MTD partitions on "MT7621-NAND":
[ 2.830419] 0x000000000000-0x000000040000 : "Bootloader"
[ 2.836797] 0x000000040000-0x000000080000 : "Config"
[ 2.842750] 0x000000080000-0x0000000c0000 : "Bdata"
[ 2.848684] 0x0000000c0000-0x000000100000 : "Factory"
[ 2.854697] 0x000000100000-0x000000140000 : "crash"
[ 2.860585] 0x000000140000-0x0000001c0000 : "crash_syslog"
[ 2.867015] 0x0000001c0000-0x000000200000 : "reserved0"
[ 2.873260] 0x000000200000-0x000000600000 : "kernel_stock"
[ 2.879802] 0x000000600000-0x000000a00000 : "kernel"
[ 2.885726] 0x000000a00000-0x00000ff80000 : "ubi"
[ 2.893346] probe successfully!
[ 2.898206] Signature matched and data read!
[ 2.902456] load_fact_bbt success 2047
[ 2.906964] libphy: Fixed MDIO Bus: probed
[ 2.980275] libphy: mdio: probed
[ 4.383917] mtk_soc_eth 1e100000.ethernet: loaded mt7530 driver
[ 4.390652] mtk_soc_eth 1e100000.ethernet eth0: mediatek frame engine at 0xbe100000, irq 21
[ 4.401349] NET: Registered protocol family 10
[ 4.407365] Segment Routing with IPv6
[ 4.411170] NET: Registered protocol family 17
[ 4.415668] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[ 4.428586] 8021q: 802.1Q VLAN Support v1.8
[ 4.435668] UBI: auto-attach mtd9
[ 4.439049] ubi0: attaching mtd9
[ 6.705721] ubi0: scanning is finished
[ 6.726903] ubi0: attached mtd9 (name "ubi", size 245 MiB)
[ 6.732436] ubi0: PEB size: 131072 bytes (128 KiB), LEB size: 126976 bytes
[ 6.739297] ubi0: min./max. I/O unit sizes: 2048/2048, sub-page size 2048
[ 6.746050] ubi0: VID header offset: 2048 (aligned 2048), data offset: 4096
[ 6.752993] ubi0: good PEBs: 1964, bad PEBs: 0, corrupted PEBs: 0
[ 6.759075] ubi0: user volume: 2, internal volumes: 1, max. volumes count: 128
[ 6.766264] ubi0: max/mean erase counter: 12/6, WL threshold: 4096, image sequence number: 1543315144
[ 6.775455] ubi0: available PEBs: 0, total reserved PEBs: 1964, PEBs reserved for bad PEB handling: 40
[ 6.784769] ubi0: background thread "ubi_bgt0d" started, PID 396
[ 6.786765] block ubiblock0_0: created from ubi0:0(rootfs)
[ 6.796262] ubiblock: device ubiblock0_0 (rootfs) set to be root filesystem
[ 6.803217] hctosys: unable to open rtc device (rtc0)
[ 6.808519] usb_vbus: disabling
[ 6.819041] VFS: Mounted root (squashfs filesystem) readonly on device 254:0.
[ 6.830503] Freeing unused kernel memory: 1252K
[ 6.835030] This architecture does not have kernel memory protection.
[ 7.937112] init: Console is alive
[ 7.940878] init: - watchdog -
[ 8.146841] kmodloader: no module folders for kernel version 4.14.221 found
[ 8.158058] init: - preinit -
[ 10.990060] mtk_soc_eth 1e100000.ethernet: PPE started
[ 11.722023] random: jshn: uninitialized urandom read (4 bytes read)
[ 11.786980] random: jshn: uninitialized urandom read (4 bytes read)
[ 11.824108] random: jshn: uninitialized urandom read (4 bytes read)
Press the key and hit to enter failsafe mode
Press the , , or key and hit to select the debug level
4
[ 15.440628] mount_root: loading kmods from internal overlay
[ 15.451741] kmodloader: no module folders for kernel version 4.14.221 found
[ 15.459308] mount_root: failed to launch kmodloader from internal overlay
[ 16.359490] UBIFS (ubi0:1): background thread "ubifs_bgt0_1" started, PID 479
[ 16.433638] UBIFS (ubi0:1): recovery needed
[ 16.526410] urandom_read: 4 callbacks suppressed
[ 16.526423] random: procd: uninitialized urandom read (4 bytes read)
[ 16.826635] UBIFS (ubi0:1): recovery completed
[ 16.831240] UBIFS (ubi0:1): UBIFS: mounted UBI device 0, volume 1, name "rootfs_data"
[ 16.839049] UBIFS (ubi0:1): LEB size: 126976 bytes (124 KiB), min./max. I/O unit sizes: 2048 bytes/2048 bytes
[ 16.848933] UBIFS (ubi0:1): FS size: 184242176 bytes (175 MiB, 1451 LEBs), journal size 9269248 bytes (8 MiB, 73 LEBs)
[ 16.859588] UBIFS (ubi0:1): reserved for root: 4952683 bytes (4836 KiB)
[ 16.866175] UBIFS (ubi0:1): media format: w5/r0 (latest is w5/r0), UUID EB56598C-8DA0-4F0F-9FAE-43CA47FA00A5, small LPT model
[ 16.878346] block: attempting to load /tmp/ubifs_cfg/upper/etc/config/fstab
[ 16.887261] block: unable to load configuration (fstab: Entry not found)
[ 16.894081] block: attempting to load /tmp/ubifs_cfg/etc/config/fstab
[ 16.900631] block: unable to load configuration (fstab: Entry not found)
[ 16.907369] block: attempting to load /etc/config/fstab
[ 16.915071] block: unable to load configuration (fstab: Entry not found)
[ 16.921834] block: no usable configuration
[ 16.966176] UBIFS (ubi0:1): un-mount UBI device 0
[ 16.970936] UBIFS (ubi0:1): background thread "ubifs_bgt0_1" stops
[ 16.983163] UBIFS (ubi0:1): background thread "ubifs_bgt0_1" started, PID 482
[ 17.138508] UBIFS (ubi0:1): UBIFS: mounted UBI device 0, volume 1, name "rootfs_data"
[ 17.146322] UBIFS (ubi0:1): LEB size: 126976 bytes (124 KiB), min./max. I/O unit sizes: 2048 bytes/2048 bytes
[ 17.156214] UBIFS (ubi0:1): FS size: 184242176 bytes (175 MiB, 1451 LEBs), journal size 9269248 bytes (8 MiB, 73 LEBs)
[ 17.166872] UBIFS (ubi0:1): reserved for root: 4952683 bytes (4836 KiB)
[ 17.173471] UBIFS (ubi0:1): media format: w5/r0 (latest is w5/r0), UUID EB56598C-8DA0-4F0F-9FAE-43CA47FA00A5, small LPT model
[ 17.556579] block: attempting to load /tmp/ubifs_cfg/upper/etc/config/fstab
[ 17.567321] block: unable to load configuration (fstab: Entry not found)
[ 17.574086] block: attempting to load /tmp/ubifs_cfg/etc/config/fstab
[ 17.580641] block: unable to load configuration (fstab: Entry not found)
[ 17.587378] block: attempting to load /etc/config/fstab
[ 17.592737] block: unable to load configuration (fstab: Entry not found)
[ 17.599488] block: no usable configuration
[ 17.639596] mount_root: overlay filesystem has not been fully initialized yet
[ 17.769246] mount_root: switching to ubifs overlay
[ 17.785530] urandom-seed: Seed file not found (/etc/urandom.seed)
[ 18.012708] procd: - early -
[ 18.015691] procd: - watchdog -
[ 18.657909] procd: - watchdog -
[ 18.662957] procd: - ubus -
[ 18.904623] random: ubusd: uninitialized urandom read (4 bytes read)
[ 18.912791] random: ubusd: uninitialized urandom read (4 bytes read)
[ 18.925290] procd: - init -
Please press Enter to activate this console.
BusyBox v1.33.1 (2021-06-25 04:41:15 UTC) built-in shell (ash)
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██
-----------------------------------------------------
OpenWrt SNAPSHOT, r3352-ce2874f52
-----------------------------------------------------
Built on 2021-06-25 by xylz0928
-----------------------------------------------------
=== WARNING! =====================================
There is no root password defined on this device!
Use the "passwd" command to set up a new password
in order to prevent unauthorized SSH logins.
--------------------------------------------------
root@(none):/# [ 19.842928] kmodloader: no module folders for kernel version 4.14.221 found
这个简单，点我头像！
看看ttl 引脚电阻有没有补齐。
ADCDEF 发表于 2024-6-19 09:52
看看ttl 引脚电阻有没有补齐。
谢谢，搞了半天后发现，原来是我usb插得太慢，一下就闪过去了:L
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