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Ремонт AirGrid M5 HP

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    Ремонт AirGrid M5 HP

    Приветствую!
    Ремонтирую точку AirGrid M5 HP версии XW. Это мой первый случай ремонта подобного оборудования.
    Lan порт подает какие-то признаки жизни, но процессор не сбрасывается кнопкой, по крайней мере нет индикации сброса.
    Решил подключиться к последовательному порту для просмотра процесса загрузки.
    Вот что увидел:


    Код:
    Board: Ubiquiti Networks AR9342 board (e835-11.1122.0030)
    Reset: Normal
    DRAM:  64 MB
    Flash:  8 MB (0xef, 0x40, 0x17)
    Net:   AR8032 Detected
    eth0
    Radio: 0777:e835
    Hit any key to stop autoboot:  0 
    ## Booting image at 9f050000 ...
       Image Name:   MIPS Ubiquiti Linux-2.6.32.60
       Created:      2013-08-30  13:24:09 UTC
       Image Type:   MIPS Linux Kernel Image (lzma compressed)
       Data Size:    1000716 Bytes = 977.3 kB
       Load Address: 80002000
       Entry Point:  80002000
       Verifying Checksum at 0x9f050040 ...OK
       Uncompressing Kernel Image ... OK
    
    Starting kernel ...
    
    Booting Atheros AR934x<0>
    [    0.000000] Linux version 2.6.32.60 (buildd@builder) (gcc version 4.1.2) #1 Fri Aug 30 16:24:05 EEST 2013
    [    0.000000] flash_size passed from bootloader = 8
    [    0.000000] arg 1: console=ttyS0,115200
    [    0.000000] arg 2: root=31:03
    [    0.000000] arg 3: rootfstype=squashfs
    [    0.000000] arg 4: init=/init
    [    0.000000] arg 5: mtdparts=ath-nor0:256k(u-boot),64k(u-boot-env),1024k(kernel),6528k(rootfs),256k(cfg),64k(EEPROM)
    [    0.000000] arg 6: mem=64M
    [    0.000000] CPU revision is: 0001974c (MIPS 74Kc)
    [    0.000000] ath_sys_frequency: cpu srif ddr srif cpu 535 ddr 400 ahb 200
    [    0.000000] Determined physical RAM map:
    [    0.000000]  memory: 02000000 @ 00000000 (usable)
    [    0.000000] User-defined physical RAM map:
    [    0.000000]  memory: 04000000 @ 00000000 (usable)
    [    0.000000] Initrd not found or empty - disabling initrd
    [    0.000000] Zone PFN ranges:
    [    0.000000]   Normal   0x00000000 -> 0x00004000
    [    0.000000] Movable zone start PFN for each node
    [    0.000000] early_node_map[1] active PFN ranges
    [    0.000000]     0: 0x00000000 -> 0x00004000
    [    0.000000] Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 16256
    [    0.000000] Kernel command line: console=ttyS0,115200 root=31:03 rootfstype=squashfs init=/init mtdparts=ath-nor0:256k(u-boot),64k(u-boot-env),1024k(kernel),6528k(rootfs),256k(cfg),64k(EEPROM) mem=64M 
    [    0.000000] PID hash table entries: 256 (order: -2, 1024 bytes)
    [    0.000000] Dentry cache hash table entries: 8192 (order: 3, 32768 bytes)
    [    0.000000] Inode-cache hash table entries: 4096 (order: 2, 16384 bytes)
    [    0.000000] Primary instruction cache 64kB, VIPT, 4-way, linesize 32 bytes.
    [    0.000000] Primary data cache 32kB, 4-way, VIPT, cache aliases, linesize 32 bytes
    [    0.000000] Writing ErrCtl register=00000000
    [    0.000000] Readback ErrCtl register=00000000
    [    0.000000] Memory: 61940k/65536k available (2179k kernel code, 3528k reserved, 520k data, 136k init, 0k highmem)
    [    0.000000] Hierarchical RCU implementation.
    [    0.000000] NR_IRQS:128
    [    0.000000] plat_time_init: plat time init done
    [    0.000000] Console: colour dummy device 80x25
    [    0.000000] Calibrating delay loop... 266.24 BogoMIPS (lpj=133120)
    [    0.022000] Mount-cache hash table entries: 512
    [    0.025000] NET: Registered protocol family 16
    [    0.274000] ..........PCIe WLAN H/W not present.
    [    4.466000] bio: create slab <bio-0> at 0
    [    4.467000] Switching to clocksource MIPS
    [    4.469000] NET: Registered protocol family 2
    [    4.469000] IP route cache hash table entries: 1024 (order: 0, 4096 bytes)
    [    4.470000] TCP established hash table entries: 2048 (order: 2, 16384 bytes)
    [    4.471000] TCP bind hash table entries: 2048 (order: 1, 8192 bytes)
    [    4.471000] TCP: Hash tables configured (established 2048 bind 2048)
    [    4.471000] TCP reno registered
    [    4.471000] NET: Registered protocol family 1
    [    4.471000] ATH GPIOC major 0
    [    4.473000] squashfs: version 4.0 (2009/01/31) Phillip Lougher
    [    4.473000] JFFS2 version 2.2 (NAND) (SUMMARY) (LZMA) (RTIME) (CMODE_PRIORITY) (c) 2001-2006 Red Hat, Inc.
    [    4.474000] msgmni has been set to 121
    [    4.474000] io scheduler noop registered (default)
    [    4.498000] Serial: 8250/16550 driver, 1 ports, IRQ sharing disabled
    [    4.499000] serial8250.0: ttyS0 at MMIO 0xb8020000 (irq = 19) is a 16550A
    [    4.800000] console [ttyS0] enabled
    [    4.804000] 6 cmdlinepart partitions found on MTD device ath-nor0
    [    4.811000] Creating 6 MTD partitions on "ath-nor0":
    [    4.816000] 0x000000000000-0x000000040000 : "u-boot"
    [    4.822000] 0x000000040000-0x000000050000 : "u-boot-env"
    [    4.829000] 0x000000050000-0x000000150000 : "kernel"
    [    4.835000] 0x000000150000-0x0000007b0000 : "rootfs"
    [    4.841000] mtd: partition "rootfs" set to be root filesystem
    [    4.847000] 0x0000007b0000-0x0000007f0000 : "cfg"
    [    4.853000] 0x0000007f0000-0x000000800000 : "EEPROM"
    [    4.860000] u32 classifier
    [    4.862000]     Performance counters on
    [    4.866000]     input device check on 
    [    4.870000]     Actions configured 
    [    4.875000] TCP westwood registered
    [    4.879000] NET: Registered protocol family 10
    [    4.887000] NET: Registered protocol family 17
    [    4.892000] Bridge firewalling registered
    [    4.896000] 802.1Q VLAN Support v1.8 Ben Greear <greearb@candelatech.com>
    [    4.903000] All bugs added by David S. Miller <davem@redhat.com>
    [    4.909000] athwdt_init: Registering WDT success
    [    4.914000] ath_otp_init: Registering OTP success
    [    4.919000] ath_clksw_init: Registering Clock Switch Interface success
    [    4.932000] VFS: Mounted root (squashfs filesystem) readonly on device 31:3.
    [    4.940000] Freeing unused kernel memor[    5.757000] Algorithmics/MIPS FPU Emulator v1.5
    ...mounts done
    ...filesystem init done
    ...base ok
    ...update ok
    ...symlinks ok
    ...httpd ok
    [    6.844000] SQUASHFS error: unlzma error: LZMA data is corrupt bit1
    [    6.851000] SQUASHFS error: lzma decompression failed, data probably corrupt
    [    6.858000] SQUASHFS error: squashfs_read_data failed to read block 0x1f6d4c
    [    6.865000] SQUASHFS error: Unable to read data cache entry [1f6d4c]
    [    6.872000] SQUASHFS error: Unable to read page, block 1f6d4c, size be84
    [    6.879000] SQUASHFS error: Unable to read data cache entry [1f6d4c]
    [    6.885000] SQUASHFS error: Unable to read page, block 1f6d4c, size be84
    [    6.892000] SQUASHFS error: Unable to read data cache entry [1f6d4c]
    [    6.898000] SQUASHFS error: Unable to read page, block 1f6d4c, size be84
    [    6.905000] SQUASHFS error: Unable to read data cache entry [1f6d4c]
    [    6.912000] SQUASHFS error: Unable to read page, block 1f6d4c, size be84
    [    6.918000] SQUASHFS error: Unable to read data cache entry [1f6d4c]
    [    6.925000] SQUASHFS error: Unable to read page, block 1f6d4c, size be84
    [    6.932000] SQUASHFS error: Unable to read data cache entry [1f6d4c]
    [    6.938000] SQUASHFS error: Unable to read page, block 1f6d4c, size be84
    [    6.945000] SQUASHFS error: Unable to read data cache entry [1f6d4c]
    [    6.951000] SQUASHFS error: Unable to read page, block 1f6d4c, size be84
    [    6.958000] SQUASHFS error: Unable to read data cache entry [1f6d4c]
    [    6.965000] SQUASHFS error: Unable to read page, block 1f6d4c, size be84
    [    6.972000] SQUASHFS error: Unable to read data cache entry [1f6d4c]
    [    6.978000] SQUASHFS error: Unable to read page, block 1f6d4c, size be84
    [    6.985000] SQUASHFS error: Unable to read data cache entry [1f6d4c]
    [    6.991000] SQUASHFS error: Unable to read page, block 1f6d4c, size be84
    [    7.410000] SQUASHFS error: unlzma error: LZMA data is corrupt bit1
    [    7.417000] SQUASHFS error: lzma decompression failed, data probably corrupt
    [    7.424000] SQUASHFS error: squashfs_read_data failed to read block 0x1f6d4c
    [    7.431000] SQUASHFS error: Unable to read data cache entry [1f6d4c]
    [    7.438000] SQUASHFS error: Unable to read page, block 1f6d4c, size be84
    ...detect ok
    [    7.475000] SQUASHFS error: Unable to read data cache entry [1f6d4c]
    [    7.482000] SQUASHFS error: Unable to read page, block 1f6d4c, size be84
    [    7.514000] SQUASHFS error: Unable to read data cache entry [1f6d4c]
    [    7.521000] SQUASHFS error: Unable to read page, block 1f6d4c, size be84
    ...caldata error
    ubntconf returned 138
    [/sbin/ubnt-caldata -v -w -m -n -s]
    ubnt-caldata returned 138
    ...running /sbin/init
    Первый момент - это:
    [ 0.274000] ..........PCIe WLAN H/W not present.

    Из чипов в радиотракте у этого варианта только AWL5905 - это просто усилитель, т.е. может его и не должно быть этого "PCIe WLAN" хардваре ?

    Второй момент, невозможность распаковки имиджа - это битая флэш ? Что с этим можно сделать, что-то типа через urescue мягкий вариант или это замена микросхемы со всеми вытекающими последствиями ?
    Последний раз редактировалось IlyaKw; 21.02.2019, 15:21.

    #2
    Попробовал вчера через консоль "urescue -f".
    Удачно прошилась версия 5.5.6, после этого система загрузилась без ошибок. При вхождении в веб-интерфейс вылезло сообщение про "Flash memory failure detected", но поскольку загрузка прошла хорошо и это было видно в консоли, я просто сделал сброс к заводским настройкам и после этого данное сообщение больше не появлялось.
    Вроде все работает, после прошивки на 6.1.9 никаких вопросов не возникло.

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      #3
      Браво. тему клос.
      Ремонт оборудования Ubiquiti и Mikrotik

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