UBNT ERLite

由官网学习而来，请先查看：https://help.ubnt.com/hc/en-us/articles/204959514-EdgeRouter-Last-resort-recovery-of-failed-EdgeOS-device

（自记录过程备忘，用putty才能中断命令，用手动IP才能连上服务器，更换的U盘，需要同时代的U盘芯片才能避免重启丢失OS）

以下为命令行启动过程，红色部分是需要手动输入的部分。

U-Boot 1.1.1 (UBNT Build ID: 4493936-g009xxxx) (Build time: Sep 20 2012 - 15:48:51)

BIST check passed. UBNT_E100 r1:2, r2:14, serial #: DC9FDB8xxxxx Core clock: 500 MHz, DDR clock: 266 MHz (532 Mhz data rate) DRAM:  512 MB Clearing DRAM....... done Flash:  4 MB Net:   octeth0, octeth1, octeth2

USB:   (port 0) scanning bus for devices...       USB device not responding, giving up (status=0) 1 USB Devices found        scanning bus for storage devices... No device found. Not initialized?                                             0 ** Can't read from device 0 **

** Unable to use usb 0:1 for fatload ** argv[2]: coremask=0x3 argv[3]: root=/dev/sda2 argv[4]: rootdelay=15 argv[5]: rw argv[6]: rootsqimg=squashfs.img argv[7]: rootsqwdir=w argv[8]: mtdparts=phys_mapped_flash:512k(boot0),512k(boot1),64k@3072k(eeprom) ## No elf image at address 0x09f00000 Octeon ubnt_e100# set ipaddr 192.168.1.1    Octeon ubnt_e100# set netmask 255.255.255.0    Octeon ubnt_e100# set serverip 192.168.1.11     Octeon ubnt_e100# set bootfile emrk-0.9c.bin   Octeon ubnt_e100# tftpboot   Interface 0 has 3 ports (RGMII) Using octeth0 device TFTP from server 192.168.1.11; our IP address is 192.168.1.1 Filename 'emrk-0.9c.bin'. Load address: 0x9f00000 Loading: octeth0: Down (port  0) T octeth0: Up 1000 Mbps Full duplex (port  0) T T #################################################################          ############################################# done Bytes transferred = 15665511 (ef0967 hex), 875 Kbytes/sec Octeon ubnt_e100# bootoctlinux $loadaddr    ELF file is 64 bit Allocating memory for ELF segment: addr: 0xffffffff81100000 (adjusted to: 0x1100000), size 0xe83940 Allocated memory for ELF segment: addr: 0xffffffff81100000, size 0xe83940 Processing PHDR 0   Loading e23d80 bytes at ffffffff81100000   Clearing 5fbc0 bytes at ffffffff81f23d80 ## Loading Linux kernel with entry point: 0xffffffff81105ca0 ... Bootloader: Done loading app on coremask: 0x1 Linux version 2.6.32.13-wau (dmbaturin@v-dev) (gcc version 4.3.3 (Cavium Networks Version: 2_0_0 build 95) ) #81 SMP Tue Jul 23 13:51:58 PDT 2013 CVMSEG size: 2 cache lines (256 bytes) Cavium Networks SDK-2.0 bootconsole [early0] enabled CPU revision is: 000d0601 (Cavium Octeon+) Checking for the multiply/shift bug... no. Checking for the daddiu bug... no. Determined physical RAM map:  memory: 000000000067b000 @ 00000000018b5000 (usable after init)  memory: 0000000006000000 @ 0000000002000000 (usable)  memory: 0000000007c00000 @ 0000000008200000 (usable)  memory: 000000000fc00000 @ 0000000410000000 (usable) Wasting 354200 bytes for tracking 6325 unused pages Initrd not found or empty - disabling initrd Zone PFN ranges:   DMA32    0x000018b5 -> 0x00100000   Normal   0x00100000 -> 0x0041fc00 Movable zone start PFN for each node early_node_map[4] active PFN ranges     0: 0x000018b5 -> 0x00001f30     0: 0x00002000 -> 0x00008000     0: 0x00008200 -> 0x0000fe00     0: 0x00410000 -> 0x0041fc00 Cavium Hotplug: Available coremask 0x2 PERCPU: Embedded 8 pages/cpu @a8000000027b8000 s11648 r0 d21120 u65536 pcpu-alloc: s11648 r0 d21120 u65536 alloc=16*4096 pcpu-alloc: [0] 0 Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 63455 Kernel command line:  bootoctlinux $loadaddr console=ttyS0,115200 PID hash table entries: 1024 (order: 1, 8192 bytes) Dentry cache hash table entries: 32768 (order: 6, 262144 bytes) Inode-cache hash table entries: 16384 (order: 5, 131072 bytes) Primary instruction cache 32kB, virtually tagged, 4 way, 64 sets, linesize 128 bytes. Primary data cache