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 16kB, 64-way, 2 sets, linesize 128 bytes. Memory: 475308k/489964k available (3808k kernel code, 14444k reserved, 4082k data, 6636k init, 0k highmem) Hierarchical RCU implementation. NR_IRQS:152 Calibrating delay loop (skipped) preset value.. 1000.00 BogoMIPS (lpj=5000000) Security Framework initialized Mount-cache hash table entries: 256 Checking for the daddi bug... no. Brought up 1 CPUs NET: Registered protocol family 16 bio: create slab at 0 SCSI subsystem initialized usbcore: registered new interface driver usbfs usbcore: registered new interface driver hub usbcore: registered new device driver usb Switching to clocksource OCTEON_CVMCOUNT NET: Registered protocol family 2 IP route cache hash table entries: 2048 (order: 2, 16384 bytes) IPv4 FIB: Using LC-trie version 0.409 TCP established hash table entries: 8192 (order: 5, 131072 bytes) TCP bind hash table entries: 8192 (order: 5, 131072 bytes) TCP: Hash tables configured (established 8192 bind 8192) TCP reno registered NET: Registered protocol family 1 /proc/octeon_perf: Octeon performace counter interface loaded octeon_wdt: Initial granularity 5 Sec. squashfs: version 4.0 (2009/01/31) Phillip Lougher Registering unionfs 2.5.11 (for 2.6.32.55) msgmni has been set to 928 alg: No test for cipher_null (cipher_null-generic) alg: No test for ecb(cipher_null) (ecb-cipher_null) alg: No test for digest_null (digest_null-generic) alg: No test for compress_null (compress_null-generic) alg: No test for stdrng (krng) alg: No test for ghash (ghash-generic) io scheduler noop registered io scheduler cfq registered (default) octeon_rng octeon_rng: Octeon Random Number Generator Serial: 8250/16550 driver, 2 ports, IRQ sharing disabled serial8250.0: ttyS0 at MMIO 0x1180000000800 (irq = 58) is a OCTEON console [ttyS0] enabled, bootconsole disabled console [ttyS0] enabled, bootconsole disabled loop: module loaded mdio-octeon: probed mdio-octeon mdio-octeon.0: Version 1.0 ERROR: You must specify a broadcast group mask. octeon-ethernet 2.0 Interface 0 has 3 ports (RGMII) ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver OcteonUSB: Detected 1 ports OcteonUSB OcteonUSB.0: Octeon Host Controller OcteonUSB OcteonUSB.0: new USB bus registered, assigned bus number 1 OcteonUSB OcteonUSB.0: irq 80, io mem 0x00000000 usb usb1: configuration #1 chosen from 1 choice hub 1-0:1.0: USB hub found hub 1-0:1.0: 1 port detected OcteonUSB: Registered HCD for port 0 on irq 80 Initializing USB Mass Storage driver... usbcore: registered new interface driver usb-storage USB Mass Storage support registered. usbcore: registered new interface driver libusual Probing USB hub... hub 1-0:1.0: USB hub found hub 1-0:1.0: 1 port detected TCP cubic registered Initializing XFRM netlink socket NET: Registered protocol family 10 lo: Disabled Privacy Extensions Mobile IPv6 IPv6 over IPv4 tunneling driver sit0: Disabled Privacy Extensions ip6tnl0: Disabled Privacy Extensions NET: Registered protocol family 17 NET: Registered protocol family 15 802.1Q VLAN Support v1.8 Ben Greear All bugs added by David S. Miller L2 lock: TLB refill 256 bytes L2 lock: General exception 128 bytes L2 lock: low-level interrupt 128 bytes L2 lock: interrupt 640 bytes L2 lock: memcpy 1152 bytes Bootbus flash: Setting flash for 4MB flash at 0x1f800000 phys_mapped_flash: Found 1 x16 devices at 0x0 in 8-bit bank  Amd/Fujitsu Extended Query Table at 0x0040 phys_mapped_flash: Swapping erase regions for broken CFI table. number of CFI chips: 1 cfi_cmdset_0002: Disabling erase-suspend-program due to code brokenness. Freeing unused kernel memory: 6636k freed Algorithmics/MIPS FPU Emulator v1.5 init started: BusyBox v1.17.1 (Debian 1:1.17.1-8) starting pid 203, tty '': '/etc/init.d/rcS' hub 1-0:1.0: activate --> -22 usb 1-1: new high speed USB device using OcteonUSB and address 2 usb 1-1: configuration #1 chosen from 1 choice scsi0 : SCSI emulation for USB Mass Storage devices eth0: 1000 Mbps Full duplex, port  0, queue  0 scsi 0:0:0:0: Direct-Access     General  UDisk            5.00 PQ: 0 ANSI: 2 sd 0:0:0:0: [sda] 15997304 512-byte logical blocks: (8.19 GB/7.62 GiB) sd 0:0:0:0: [sda] Write Protect is off sd 0:0:0:0: [sda] Assuming drive cache: write through sd 0:0:0:0: [sda] Assuming drive cache: write through  sda: sda1 sd 0:0:0:0: [sda] Assuming drive cache: write through sd 0:0:0:0: [sda] Attached SCSI removable disk Loading EMRK 0.9a Mounting filesystems Bringing up eth0 Checking boot partition Boot partition looks intact Attempting to mount boot partition Boot partition successfully mounted Looking for kernel file Kernel file not found! Checking kernel MD5 sum file Kernel MD5 sum file not found, impossible to check kernel integrity Checking root partition Root partition is missing or has wrong filesystem type! ********************************************** Welcome to EdgeMax Rescue Kit! This tool is distributed under the terms of GNU General Public License and other licenses Brought to you by SO3 Group WARNING: This tool is not developed, officially supported or endorsed by Ubiquiti Networks! Using it may lead to destroying your router configuration or operating system Ubiquiti Networks support will not help you with using it or fixing consequences of using it. This tool itself is distributed without any warranty and authors are not liable for any damage it may cause By using this tool you agree you are doing it at your own risk and understand what you are doing ********************************************* Enter 'Yes' to proceed, 'No' to reboot yes or no: yes  (输入） Do you want to configure network via DHCP? yes or no: yes （同事更换联网WAN网线到ETH0） udhcpc (v1.17.1) started Sending discover... eth0: Link down Sending discover... eth0: 1000 Mbps Full duplex, port  0, queue  0 Sending discover... Sending select for 192.168.0.25... Lease of 192.168.0.25 obtained, lease time 86400 /usr/share/udhcpc/default.script: Resetting default routes route: SIOCDELRT: No such process /usr/share/udhcpc/default.script: Adding DNS 119.29.29.29 /usr/share/udhcpc/default.script: Adding DNS 180.76.76.76 /usr/share/udhcpc/default.script: Adding DNS 192.168.0.1 EMRK provides some scripts for automated recovery procedures: emrk-factory-reset -- reset config to factory default emrk-remove-user-data -- remove all the user data including     config and everything emrk-reinstall -- reinstall EdgeOS from scratch     (wipes any user data too) Enter 'reboot' to reboot your router BusyBox v1.17.1 (Debian 1:1.17.1-8) built-in shell (ash) Enter 'help' for a list of built-in commands. /bin/ash: can't access tty; job control turned off EMRK> EMRK> EMRK>emrk-reinstall    （输入-重写OS） WARNING: This script will reinstall EdgeOS from scratch If you have any usable data on your router storage, it will be irrecoverably destroyed! Do you want to continue? yes or no: yes Unmounting boot partition Re-creating partition table Creating boot partition Formatting boot partition mkfs.vfat 3.0.9 (31 Jan 2010) Creating root partition Formatting root partition Mounting boot parition Mounting root partition kjournald starting.  Commit interval 5 seconds EXT3 FS on sda2, internal journal EXT3-fs: mounted filesystem with writeback data mode.     Enter EdgeOS image url:  http://dl.ubnt.com/firmwares/edgemax/v1.6.0/ER-e100.v1.6.0.4716006.tar   % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current                                  Dload  Upload   Total   Spent    Left  Speed 100 70.1M  100 70.1M    0     0  6413k      0  0:00:11  0:00:11 --:--:-- 7628k Unpacking EdgeOS release image Verifying EdgeOS kernel Copying EdgeOS kernel to boot partition Verifying EdgeOS system image Copying EdgeOS system image to root partition Copying version file to the root partition Creating EdgeOS writable data directory Cleaning up Installation finished Please reboot your router EMRK>reboot     （输入重启） starting pid 282, tty '': '/bin/umount -a -r' The system is going down NOW! Sent SIGTERM to all processes Sent SIGKILL to all processes Requesting system reboot Restarting system. Looking for valid bootloader image.... Jumping to start of image at address 0xbfc80000 U-Boot 1.1.1 (UBNT Build ID: 4493936-g0xxxxx) (Build time: Sep 20 2012 - 15:48:51) BIST check passed. UBNT_E100 r1:2, r2:14, serial #: DC9FDBxxxxx 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... 1 USB Devices found        scanning bus for storage devices...   Device 0: Vendor: General  Prod.: UDisk            Rev: 5.00             Type: Removable Hard Disk             Capacity: 7811.1 MB = 7.6 GB (15997304 x 512)                     0 reading vmlinux.64 ............................ 5567368 bytes read 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) ELF file is 64 bit Allocating memory for ELF segment: addr: 0xffffffff80100000 (adjusted to: 0x100000), size 0x69dfd0 Allocated memory for ELF segment: addr: 0xffffffff80100000, size 0x69dfd0 Processing PHDR 0   Loading 54dd80 bytes at ffffffff80100000   Clearing 150250 bytes at ffffffff8064dd80 ## Loading Linux kernel with entry point: 0xffffffff804aeb00 ... Bootloader: Done loading app on coremask: 0x3 Linux version 3.10.20-UBNT (root@ubnt-builder2) (gcc version 4.7.0 (Cavium Inc. Version: SDK_3_1_0_p2 build 34) ) #1 SMP Thu Oct 16 16:29:39 PDT 2014 CVMSEG size: 2 cache lines (256 bytes) Cavium Inc. SDK-3.1 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: 0000000007800000 @ 0000000000800000 (usable)  memory: 0000000007c00000 @ 0000000008200000 (usable)  memory: 000000000fc00000 @ 0000000410000000 (usable)  memory: 000000000050b000 @ 0000000000100000 (usable)  memory: 0000000000045000 @ 000000000060b000 (usable after init) Wasting 14336 bytes for tracking 256 unused pages software IO TLB [mem 0x01707000-0x01747000] (0MB) mapped at [8000000001707000-8000000001746fff] Zone ranges:   DMA32    [mem 0x00100000-0xefffffff]   Normal   [mem 0xf0000000-0x41fbfffff] Movable zone start for each node Early memory node ranges   node   0: [mem 0x00100000-0x0064ffff]   node   0: [mem 0x00800000-0x07ffffff]   node   0: [mem 0x08200000-0x0fdfffff]   node   0: [mem 0x410000000-0x41fbfffff] Primary instruction cache 32kB, virtually tagged, 4 way, 64 sets, linesize 128 bytes. Primary data cache 16kB, 64-way, 2 sets, linesize 128 bytes. Secondary unified cache 128kB, 8-way, 128 sets, linesize 128 bytes. PERCPU: Embedded 10 pages/cpu @8000000001784000 s11648 r8192 d21120 u40960 Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 126581 Kernel command line:  bootoctlinux $loadaddr coremask=0x3 root=/dev/sda2 rootdelay=15 rw rootsqimg=squashfs.img rootsqwdir=w mtdparts=phys_mapped_flash:512k(boot0),512k(boot1),64k@3072k(eeprom) console=ttyS0,115200 PID hash table entries: 2048 (order: 2, 16384 bytes) Dentry cache hash table entries: 65536 (order: 7, 524288 bytes) Inode-cache hash table entries: 32768 (order: 6, 262144 bytes) Memory: 499340k/513344k available (3810k kernel code, 14004k reserved, 1352k data, 276k init, 0k highmem) Hierarchical RCU implementation. NR_IRQS:255 Calibrating delay loop (skipped) preset value.. 1000.00 BogoMIPS (lpj=5000000) pid_max: default: 32768 minimum: 501 Security Framework initialized Mount-cache hash table entries: 256 Checking for the daddi bug... no. SMP: Booting CPU01 (CoreId  1)... CPU revision is: 000d0601 (Cavium Octeon+) Brought up 2 CPUs NET: Registered protocol family 16 bio: create slab at 0 SCSI subsystem initialized usbcore: registered new interface driver usbfs usbcore: registered new interface driver hub usbcore: registered new device driver usb Switching to clocksource OCTEON_CVMCOUNT NET: Registered protocol family 2 TCP established hash table entries: 4096 (order: 4, 65536 bytes) TCP bind hash table entries: 4096 (order: 4, 65536 bytes) TCP: Hash tables configured (established 4096 bind 4096) TCP: reno registered UDP hash table entries: 256 (order: 1, 8192 bytes) UDP-Lite hash table entries: 256 (order: 1, 8192 bytes) NET: Registered protocol family 1 octeon_pci_console: Console not created. /proc/octeon_perf: Octeon performance counter interface loaded HugeTLB registered 2 MB page size, pre-allocated 0 pages squashfs: version 4.0 (2009/01/31) Phillip Lougher Registering unionfs 2.5.13 (for 3.10.34) msgmni has been set to 975 io scheduler noop registered io scheduler cfq registered (default) Serial: 8250/16550 driver, 6 ports, IRQ sharing disabled 1180000000800.serial: ttyS0 at MMIO 0x1180000000800 (irq = 34) is a OCTEON console [ttyS0] enabled, bootconsole disabled console [ttyS0] enabled, bootconsole disabled 1180000000c00.serial: ttyS1 at MMIO 0x1180000000c00 (irq = 35) is a OCTEON loop: module loaded ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver OcteonUSB 16f0010000000.usbc: Octeon Host Controller OcteonUSB 16f0010000000.usbc: new USB bus registered, assigned bus number 1 OcteonUSB 16f0010000000.usbc: irq 56, io mem 0x00000000 hub 1-0:1.0: USB hub found hub 1-0:1.0: 1 port detected OcteonUSB: Registered HCD for port 0 on irq 56 usbcore: registered new interface driver usb-storage octeon_wdt: Initial granularity 5 Sec TCP: cubic registered NET: Registered protocol family 17 NET: Registered protocol family 15 L2 lock: TLB refill 256 bytes L2 lock: General exception 128 bytes L2 lock: low-level interrupt 128 bytes L2 lock: interrupt 640 bytes L2 lock: memcpy 1152 bytes Bootbus flash: Setting flash for 4MB flash at 0x1f800000 phys_mapped_flash: Found 1 x16 devices at 0x0 in 8-bit bank. Manufacturer ID 0x0000c2 Chip ID 0x0000a7 Amd/Fujitsu Extended Query Table at 0x0040   Amd/Fujitsu Extended Query version 1.1. phys_mapped_flash: Swapping erase regions for top-boot CFI table. number of CFI chips: 1 3 cmdlinepart partitions found on MTD device phys_mapped_flash Creating 3 MTD partitions on "phys_mapped_flash": 0x000000000000-0x000000080000 : "boot0" 0x000000080000-0x000000100000 : "boot1" 0x000000300000-0x000000310000 : "eeprom" Waiting 15sec before mounting root device... usb 1-1: new high-speed USB device number 2 using OcteonUSB usb-storage 1-1:1.0: USB Mass Storage device detected scsi0 : usb-storage 1-1:1.0 scsi 0:0:0:0: Direct-Access     General  UDisk            5.00 PQ: 0 ANSI: 2 sd 0:0:0:0: [sda] 15997304 512-byte logical blocks: (8.19 GB/7.62 GiB) sd 0:0:0:0: [sda] Write Protect is off sd 0:0:0:0: [sda] No Caching mode page found sd 0:0:0:0: [sda] Assuming drive cache: write through sd 0:0:0:0: [sda] No Caching mode page found sd 0:0:0:0: [sda] Assuming drive cache: write through  sda: sda1 sda2 sd 0:0:0:0: [sda] No Caching mode page found sd 0:0:0:0: [sda] Assuming drive cache: write through sd 0:0:0:0: [sda] Attached SCSI removable disk kjournald starting.  Commit interval 3 seconds EXT3-fs (sda2): using internal journal EXT3-fs (sda2): mounted filesystem with journal data mode VFS: Mounted root (unionfs filesystem) on device 0:11. Freeing unused kernel memory: 276K (ffffffff8060b000 - ffffffff80650000) Algorithmics/MIPS FPU Emulator v1.5 INIT: version 2.88 booting INIT: Entering runlevel: 2 [ ok ] Starting routing daemon: rib. [ ok ] Starting EdgeOS router: migrate rl-system configure. Welcome to EdgeOS ubnt ttyS0 By logging in, accessing, or using the Ubiquiti product, you acknowledge that you have read and understood the Ubiquiti License Agreement (available in the Web UI at, by default, http://192.168.1.1) and agree to be bound by its terms. ubnt login:  （OK，启动完成）