猫盘故障机的自我救赎

tymfl

* |/ o+ W  N2 Y+ a) }. n# e
( I" f# \& n  ?" i! u入手一台伊拉克成色猫盘故障机，连好ttl上电以后

1. TIM-1.0
   
2. WTMI-armada-17.10.1-
   
3. .........
   
4. SF: Detected GD25LQ64C with page size 256 Bytes, erase size 4 KiB, total 8 MiB
   : N- y' i' I2 u4 a
5. *** Warning - bad CRC, using default environment
   
6. 
   
7. MMC:   for ssg ledsdhci@d8000: 0
   6 v8 _' v3 g( t8 O- E* G( a$ I
8. ** File not found boot/armada-3720-customer0.dtb **
   % l6 L% k8 U! |3 c/ K) L/ L
9. ** File not found boot/armada-3720-customer0-minifs.dtb **
   
10. test_mmc_ext4_exist ==1
    8 u, k) M, ~' H) O
11. Comphy-0: UNCONNECTED  
    : n+ _1 _; o. [; P8 t$ |- b
12. Comphy-1: UNCONNECTED  
    
13. Comphy-2: UNCONNECTED  
    
14. gpio: pin GPIO23 (gpio 39) value is 1
    # o6 c1 N3 E6 X1 k6 B8 r+ N
15. ** File not found boot/armada-3720-customer0.dtb **
    
16. ** File not found boot/armada-3720-customer0-minifs.dtb **
    
17. Enter Recovery mode
    : \" Z2 p' g1 b$ \: p4 q
18. SCSI:  Hit any key to stop autoboot:  0

复制代码

发现无法找到dtd文件，进入了恢复模式，直接启动或按住reset启动均启动失败，启动信息如下:

1. Marvell>> boot
   + r/ ^) H/ m( Z& c9 M
2. SF: Detected GD25LQ64C with page size 256 Bytes, erase size 4 KiB, total 8 MiB
   + z. j. {* f# t4 q7 B( O
3. device 0 offset 0xcc000, size 0x434000
   " Q7 n8 \2 z3 ]3 Y* p, F, D$ J
4. SF: 4407296 bytes @ 0xcc000 Read: OK
   
5. gpio: pin GPIO21 (gpio 37) value is 1
   
6. gpio: pin GPIO22 (gpio 38) value is 1
   , A# {$ `8 y. _! x% `; i
7. Uncompressed size: 8992256 = 0x893600
   . d' U) }, j) u0 ?$ C6 e/ O0 W
8. device 0 offset 0xc8000, size 0x4000
   
9. SF: 16384 bytes @ 0xc8000 Read: OK
   + u; K0 Z& D+ q- B2 E% b
10. ## Flattened Device Tree blob at 04f00000
    
11.    Booting using the fdt blob at 0x4f00000
    
12.    Using Device Tree in place at 0000000004f00000, end 0000000004f05df8
      A" B3 Y. v- A$ W, x& F3 v8 P5 }
13. 
    # P& l2 \" \' \1 G/ J
14. Starting kernel ...
    
15. 
    9 e# Y9 ]2 d2 X! t! @1 m
16. .........
    
17. [    2.786623]  mmcblk0: p1 p2 p3
    
18. [    2.801201] Starting init: /sbin/init exists but couldn't execute it (error -5)
    
19. [    2.813804] cramfs: bad compressed blocksize 4294298135
    
20. [    2.819206] Starting init: /bin/sh exists but couldn't execute it (error -5)
    " q% r+ ^" Q# T, @3 s7 }
21. [    2.826452] Kernel panic - not syncing: No working init found.  Try passing init= option to kernel. See Linux Documentation/init.txt for guidance.
    
22. [    2.840101] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.4.52-armada-17.10.1 #21
    ; Y& F; w' m$ L# k% D5 W! Y
23. [    2.847399] Hardware name: Marvell Armada 3720 for Eli-Cat DB-88F3720-DDR3 (DT)
    
24. [    2.854957] Call trace:
    1 B9 ^4 I: _5 [/ a
25. [    2.857401] [<ffffffc000089b10>] dump_backtrace+0x0/0x108
      \- e' ^0 e5 `# I$ g8 g$ _0 q
26. [    2.863150] [<ffffffc000089c2c>] show_stack+0x14/0x20
    7 D: Z* T) \3 A5 n3 M  j; s
27. [    2.868371] [<ffffffc00029f280>] dump_stack+0x98/0xb8
    
28. [    2.873592] [<ffffffc00012b32c>] panic+0xd4/0x218
    4 H3 |3 M" G) w8 ]+ V
29. [    2.878454] [<ffffffc000621d0c>] kernel_init+0xdc/0xe0
    
30. [    2.883761] [<ffffffc000085dd0>] ret_from_fork+0x10/0x40
    
31. [    2.888890] CPU0: stopping
    ' Z1 T$ r, C& M' A
32. [    2.891949] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.4.52-armada-17.10.1 #21
    
33. [    2.899505] Hardware name: Marvell Armada 3720 for Eli-Cat DB-88F3720-DDR3 (DT)
    
34. [    2.907154] Call trace:
    
35. [    2.909861] [<ffffffc000089b10>] dump_backtrace+0x0/0x108
    
36. [    2.915269] [<ffffffc000089c2c>] show_stack+0x14/0x20
    
37. [    2.920580] [<ffffffc00029f280>] dump_stack+0x98/0xb8
    
38. [    2.925892] [<ffffffc00008efc0>] handle_IPI+0x190/0x1a0
    : {! u2 N7 O9 X' y
39. [    2.931030] [<ffffffc000082598>] gic_handle_irq+0x78/0x168
    # w! P2 Z7 j" {, b7 @
40. [    2.936969] Exception stack(0xffffffc0008abda0 to 0xffffffc0008abed0)
    0 @1 b3 L7 |" s% Z# {3 n+ E# j5 a8 E
41. [    2.943547] bda0: ffffffc0008ae000 0000008000000000 ffffffc0008abf00 ffffffc000086840
    
42. [    2.951467] bdc0: 0000000000000145 ffffffc000890000 0000000000000000 0000000000000000
    
43. [    2.959567] bde0: 0000000000000001 0000000000000000 00000000000001c0 0100000000000000
    
44. [    2.967757] be00: 0000000000000001 ffffffc01bfcddc0 00000000fffeddda ffffffc0008abe80
    
45. [    2.975676] be20: 00000000000006d0 0000000000000000 0000000000000000 00000000058e8eff
    7 {5 ^* r. @# @' G$ ~/ f
46. [    2.983954] be40: ffffffc00426c260 00000000000075af 00000000000ba7a2 0000000000000000
    
47. [    2.991876] be60: ffffff8000058548 ffffffc0008ae000 ffffffc0008ae8d8 ffffffc00088cad8
    ) E# J$ R1 K0 t5 i1 j
48. [    2.999886] be80: ffffffc0008abf20 ffffffc000631000 ffffffc000890000 ffffffc0008ae000
    9 _: L( [& X$ K  t: e
49. [    3.007986] bea0: ffffffc0008a8000 0000000000000000 0000000000000000 ffffffc0008abf00
    + ]' N; i& G/ r5 U0 a7 C6 B6 d
50. [    3.016353] bec0: ffffffc00008683c ffffffc0008abf00
    
51. [    3.021215] [<ffffffc000085700>] el1_irq+0x80/0xf8
    
52. [    3.026168] [<ffffffc0000d8164>] default_idle_call+0x1c/0x38
    
53. [    3.032373] [<ffffffc0000d8398>] cpu_startup_entry+0x1c8/0x218
    
54. [    3.038411] [<ffffffc000621c20>] rest_init+0x88/0x98
    
55. [    3.043192] [<ffffffc00084d950>] start_kernel+0x384/0x398
    1 s8 a2 L2 Z, }+ G9 w. ?6 e
56. [    3.048948] [<0000000000627000>] 0x627000
    4 w) n# @0 X# K
57. [    3.053272] ---[ end Kernel panic - not syncing: No working init found.  Try passing init= option to kernel. See Linux Documentation/init.txt for guidance.

复制代码

uboot 下获取的一些信息
" d" I9 \& ^4 v( [( y" c

1. # 查看文件夹 发现boot为空
   
2. Marvell>> ext4ls mmc 0:1 /boot
   . I9 y+ M) ~$ a
3. <DIR>       4096 .
   
4. <DIR>       4096 ..
   
5. 
   / ^3 k8 G3 ^1 z
6. # 无法启动usb
   
7. Marvell>> usb start
   
8. starting USB...
   7 n1 n! D$ t( U, d% n
9. No controllers found

复制代码

猜测可能是误删了/boot下的文件导致的，无法通过U盘启动
' {1 D  E# z3 v5 @% v

9 ?/ h. F5 W3 N5 n' I2 l# C                               
登录/注册后可看大图

启动进入uboot输入如下命令
* i* t$ n) k, I9 Y

1. setenv bootcmd "sf probe 0;sf read 0x8000000 0x0CC000 0x434000;gpio set GPIO21;gpio set GPIO22;unzip 0x8000000 0x5000000;sf read 0x4f00000 0x0c8000 4000;"
   * e% o. h! g( l3 w: Z2 C3 B
2. setenv bootargs "console=ttyMV0,115200 root=/dev/mmcblk0p1 rootwait rw init=/bin/sh"
   9 R) w; J5 h; \$ p9 Y: [$ [6 y
3. boot
   
4. booti 0x5000000 - 0x4f00000

复制代码

即可进入linux shell
6 O0 u/ m  J" c8 w, y* l1 E

1. # 查看存储设备
   . a/ A" h3 ?. G8 n- @
2. ls -l /dev/sd
   
3. 
   
4. # 挂载
   
5. mount -t proc /proc
   
6. mount /dev/sda4 /mnt
   
7. 
   
8. # 拷贝文件
   4 U+ |7 B0 b8 {/ u, H6 S
9. cd /mnt
   
10. cp armada-3720-customer0.dtb /boot/
    / X$ r% w3 p7 P3 W  B
11. cp Image /boot/
    
12. 
    ) B% S% \+ d! r  {
13. # 退出
    
14. exit

复制代码

重新插拔电源后恢复正常,uboot信息如下：
# p$ o  k. w! V# |7 b# w4 N

1. TIM-1.0
   9 G5 L0 q% v! _6 b
2. WTMI-armada-17.10.1-
   
3. ENTER init_ddrgen
   
4. DDR_TOPOLOGY is 0 :        DDR3, 1CS 512M
   + i1 H& `" b) T1 p. e+ S
5. WTMI_CLOCK=2
   - k7 z6 x2 o8 n& X, H/ b4 f
6. 
   
7. Fill memory before self refresh...done
   % Q. G% M# i4 L/ o" F% L1 f; y
8. 
   ; l/ V. `, O4 Z, ?7 |) ~
9. Now in Self-refresh Mode
   $ u5 ]- V# D8 G& A
10. Restore CAS Read and Write Latency
    1 I+ e6 E7 f; Q9 r+ l( u. X
11. Restore termination values to original values
    
12. Exited self-refresh ...
    & c$ U& i% l5 q. b
13. 
    * s9 l4 |1 p6 Z8 c/ M; ~2 P
14. DLL TUNING
    
15. ==============
    . T) u; l# M2 Q/ m" g
16.    DLL 0xc0001050[21:16]: [0,31,18]
    
17.    DLL 0xc0001050[29:24]: [0,2b,15]
    
18.    DLL 0xc0001054[21:16]: [0,32,19]
    
19.    DLL 0xc0001054[29:24]: [0,2d,16]
    
20.    DLL 0xc0001074[21:16]: [0,3f,1f]
    
21.    DLL 0xc0001074
    9 d& m( |: ?- |
22. 
    
23. U-Boot 2017.03-armada-17.10.1 (Mar 07 2018 - 17:11:33 +0800)
    ! O; b" T& w7 z
24. 
    5 Q8 G6 c0 j# [" Y8 C/ i2 {
25. Model: Marvell Armada 3720 for Eli Cat
    
26.        CPU    @ 1000 [MHz]
    $ ]9 O7 d8 W& H0 A' C
27.        L2     @ 800 [MHz]
      D7 r! ~0 t" n* O
28.        TClock @ 200 [MHz]
    1 V' }# p1 J# q
29.        DDR    @ 800 [MHz]
    . Q' P/ B* J6 c% a" M
30. I2C:   ready
    
31. DRAM:  512 MiB
    % t, k' G& \& `
32. U-Boot DT blob at : 000000001f73a520
    
33. SF: Detected GD25LQ64C with page size 256 Bytes, erase size 4 KiB, total 8 MiB
    
34. *** Warning - bad CRC, using default environment
    # V& B( y  W  {1 M( L5 {' G/ n
35. 
    
36. MMC:   for ssg ledsdhci@d8000: 0
    5 P! I; Q& C: c" T. ]* w- J8 u
37. 12931 bytes read in 16 ms (789.1 KiB/s)
    
38. gpio: pin GPIO23 (gpio 39) value is 1
    
39. gpio: pin GPIO23 (gpio 39) value is 1
    4 i% w& J3 F# q. \( s3 D# |3 o! ^$ o
40. gpio: pin GPIO23 (gpio 39) value is 1
    
41. Comphy-0: USB3_HOST0    5 Gbps   
    8 w) s( T! ]9 d0 S; D' j  P
42. Comphy-1: SGMII0        1.25 Gbps
    
43. Comphy-2: SATA0         6 Gbps   
    
44. gpio: pin GPIO23 (gpio 39) value is 1
    
45. 12931 bytes read in 4 ms (3.1 MiB/s)
    & M6 ~3 I2 {6 h) f6 s. K% p
46. Enter Normal mode
    
47. SCSI:  Hit any key to stop autoboot:  0

复制代码

补充下:这样修改后，只能一次有效请删除mmc 0:3 分区的rootfs.tar.bz2和upgrade_eli_38.img文件。
或者直接在linux shell里面刷写新uboot
3 I' P# `0 M6 L* i
/ H- X% l+ P+ e2 O6 V9 X  {  s
# d0 _# J1 B% j5 ^

xingjiwoniu

# {, E; m8 E7 Q9 j( ]感谢分享

tkunming

谢谢分享

along1231

感谢分享

kristy

收藏 感谢！

GokuSun

按照你这个执行不成功啊

tymfl

GokuSun 发表于 2019-10-9 20:25
& h! M7 k. {* B5 u3 `按照你这个执行不成功啊

7 p. Z) ^- _% z. A; _/ E2 D还是提示找不到？

kuangogrish

顶一下顶一下

GokuSun

tymfl 发表于 2019-10-9 20:36
1 H6 Q7 {( J8 T1 c% A还是提示找不到？

是还是原样子，启动还是end Kernel panic - not syncing: No working init found.  Try passing init= option to kernel. See Linux Documentation/init.txt for guidance.
: N" l# q* X' G2 g完全按照您的步骤做的