猫盘故障机的自我救赎

tymfl

; V6 N8 Z5 h! j5 B: g
入手一台伊拉克成色猫盘故障机，连好ttl上电以后
3 y( X0 H- c1 |/ L% {; p0 M1 F7 m. U

1. TIM-1.0
   6 D. x( }/ [$ _" F# D. p
2. WTMI-armada-17.10.1-
   
3. .........
   2 i  ^, d: w+ A5 C
4. SF: Detected GD25LQ64C with page size 256 Bytes, erase size 4 KiB, total 8 MiB
   
5. *** Warning - bad CRC, using default environment
   
6. 
   
7. MMC:   for ssg ledsdhci@d8000: 0
   
8. ** File not found boot/armada-3720-customer0.dtb **
   + H4 u1 P% D' {2 K( c: u2 c
9. ** File not found boot/armada-3720-customer0-minifs.dtb **
   & X1 W% A3 N* W3 s" A" f' C" B
10. test_mmc_ext4_exist ==1
    
11. Comphy-0: UNCONNECTED  
    6 T8 r8 u$ @. y* P
12. Comphy-1: UNCONNECTED  
    
13. Comphy-2: UNCONNECTED  
    # I3 [% f9 y7 F) m
14. gpio: pin GPIO23 (gpio 39) value is 1
    $ X# i/ Z* n- N' h& k: H" `
15. ** File not found boot/armada-3720-customer0.dtb **
    
16. ** File not found boot/armada-3720-customer0-minifs.dtb **
    8 }' T5 U  K) I, A! y0 P- b
17. Enter Recovery mode
    ) k- J, R9 q% w7 m
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:
0 w0 X: b/ _6 r7 X2 v' G  B

1. Marvell>> boot
   ; t; d5 Y+ Z  x& Y- Q$ l- @% n
2. SF: Detected GD25LQ64C with page size 256 Bytes, erase size 4 KiB, total 8 MiB
   0 L" l$ q9 u* \
3. device 0 offset 0xcc000, size 0x434000
   ; H- r+ v3 }6 D7 P# z' \/ b5 {
4. SF: 4407296 bytes @ 0xcc000 Read: OK
   4 ]! w/ y: r$ z* p) \" _( I/ a" U
5. gpio: pin GPIO21 (gpio 37) value is 1
   $ d$ q6 n1 ~4 B, @7 {9 `2 T  o
6. gpio: pin GPIO22 (gpio 38) value is 1
   
7. Uncompressed size: 8992256 = 0x893600
   ! L1 f0 z. X" G0 y5 B8 c+ S: S( M* j
8. device 0 offset 0xc8000, size 0x4000
   2 P& r2 G) A) x) n( ~7 m7 m9 t3 o+ C
9. SF: 16384 bytes @ 0xc8000 Read: OK
   7 x# i; h( q0 Z5 |9 V% a# V
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
    
13. 
    
14. Starting kernel ...
    
15. 
    + H, Z3 B8 Q/ `- ~% o( c& Q
16. .........
    
17. [    2.786623]  mmcblk0: p1 p2 p3
    " {; C* j( Z4 F2 M+ p
18. [    2.801201] Starting init: /sbin/init exists but couldn't execute it (error -5)
    
19. [    2.813804] cramfs: bad compressed blocksize 4294298135
    % s4 l$ O1 ?4 {1 K
20. [    2.819206] Starting init: /bin/sh exists but couldn't execute it (error -5)
    1 e1 T, C$ i) P( U# ^, C
21. [    2.826452] Kernel panic - not syncing: No working init found.  Try passing init= option to kernel. See Linux Documentation/init.txt for guidance.
    $ f  _0 e0 \$ }$ t5 `/ K( G+ J: r
22. [    2.840101] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.4.52-armada-17.10.1 #21
    + _, F9 n; G5 H" h4 K/ ?% s
23. [    2.847399] Hardware name: Marvell Armada 3720 for Eli-Cat DB-88F3720-DDR3 (DT)
    8 K8 t; T: @7 r6 e8 A1 Q4 o0 Z
24. [    2.854957] Call trace:
    " r% x. `8 C7 x2 t  B8 h
25. [    2.857401] [<ffffffc000089b10>] dump_backtrace+0x0/0x108
    
26. [    2.863150] [<ffffffc000089c2c>] show_stack+0x14/0x20
    " D4 t8 ~+ @4 u! y, @
27. [    2.868371] [<ffffffc00029f280>] dump_stack+0x98/0xb8
    9 Q. x( D# w* D) W
28. [    2.873592] [<ffffffc00012b32c>] panic+0xd4/0x218
    + W5 F# ~3 |. N
29. [    2.878454] [<ffffffc000621d0c>] kernel_init+0xdc/0xe0
    
30. [    2.883761] [<ffffffc000085dd0>] ret_from_fork+0x10/0x40
    - j4 u7 v& H) \, y2 S+ }
31. [    2.888890] CPU0: stopping
    8 p* _$ [; E& [+ a3 ]
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)
    ( c+ @) v5 u3 I. O
34. [    2.907154] Call trace:
    / f4 z3 S8 y  T8 S% X
35. [    2.909861] [<ffffffc000089b10>] dump_backtrace+0x0/0x108
    
36. [    2.915269] [<ffffffc000089c2c>] show_stack+0x14/0x20
    
37. [    2.920580] [<ffffffc00029f280>] dump_stack+0x98/0xb8
    + A' }( y3 F5 ]! \/ y3 c0 z9 F" _
38. [    2.925892] [<ffffffc00008efc0>] handle_IPI+0x190/0x1a0
    7 Y7 B( `, _& N6 R" ^" d
39. [    2.931030] [<ffffffc000082598>] gic_handle_irq+0x78/0x168
    
40. [    2.936969] Exception stack(0xffffffc0008abda0 to 0xffffffc0008abed0)
    1 w- a4 L( }6 p- b7 ~
41. [    2.943547] bda0: ffffffc0008ae000 0000008000000000 ffffffc0008abf00 ffffffc000086840
    " }4 {8 H. ~! E8 N( @; S6 H
42. [    2.951467] bdc0: 0000000000000145 ffffffc000890000 0000000000000000 0000000000000000
      s7 \) u2 \( R
43. [    2.959567] bde0: 0000000000000001 0000000000000000 00000000000001c0 0100000000000000
    
44. [    2.967757] be00: 0000000000000001 ffffffc01bfcddc0 00000000fffeddda ffffffc0008abe80
    
45. [    2.975676] be20: 00000000000006d0 0000000000000000 0000000000000000 00000000058e8eff
    
46. [    2.983954] be40: ffffffc00426c260 00000000000075af 00000000000ba7a2 0000000000000000
      B  F, W1 w0 l; a
47. [    2.991876] be60: ffffff8000058548 ffffffc0008ae000 ffffffc0008ae8d8 ffffffc00088cad8
    3 J, ]$ h5 P# n6 G# M
48. [    2.999886] be80: ffffffc0008abf20 ffffffc000631000 ffffffc000890000 ffffffc0008ae000
    
49. [    3.007986] bea0: ffffffc0008a8000 0000000000000000 0000000000000000 ffffffc0008abf00
    3 d& V4 w' n1 W$ T, a; f" Y
50. [    3.016353] bec0: ffffffc00008683c ffffffc0008abf00
    
51. [    3.021215] [<ffffffc000085700>] el1_irq+0x80/0xf8
    
52. [    3.026168] [<ffffffc0000d8164>] default_idle_call+0x1c/0x38
      k0 j* q+ y. v! P
53. [    3.032373] [<ffffffc0000d8398>] cpu_startup_entry+0x1c8/0x218
    % y) b3 i6 D( k0 Y" {0 G0 [5 y
54. [    3.038411] [<ffffffc000621c20>] rest_init+0x88/0x98
    ) f7 i( W. Z5 p3 i1 p7 b
55. [    3.043192] [<ffffffc00084d950>] start_kernel+0x384/0x398
    5 N6 b* i( d  P0 V& u8 V% Y3 g
56. [    3.048948] [<0000000000627000>] 0x627000
    
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
) d9 {" X( {' v" b5 K4 }

1. # 查看文件夹 发现boot为空
   
2. Marvell>> ext4ls mmc 0:1 /boot
   
3. <DIR>       4096 .
   
4. <DIR>       4096 ..
   ' \. M" J8 Y* Z; u
5. 
   6 p+ Y- o# ~* @# G4 k. D$ u& `. K
6. # 无法启动usb
   3 M) z3 q* m% [2 z7 y
7. Marvell>> usb start
   
8. starting USB...
   : N2 N8 w# p  L8 ?5 @+ D; g' A. A
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
6 |; ~: m0 L3 o7 ?/ i. i

  h$ y3 K5 K: P  s                               
登录/注册后可看大图

5 z  w% q$ E, E; ]2 x1 x3 g# N0 v1 {启动进入uboot输入如下命令
5 ~# P& ?2 j  P  T

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;"
   
2. setenv bootargs "console=ttyMV0,115200 root=/dev/mmcblk0p1 rootwait rw init=/bin/sh"
   
3. boot
   ' p$ T+ F/ I. d9 k  ~- v7 d% H
4. booti 0x5000000 - 0x4f00000

复制代码

即可进入linux shell

1. # 查看存储设备
   
2. ls -l /dev/sd
   : ], X8 K8 ^; |3 z/ U
3. 
   
4. # 挂载
   
5. mount -t proc /proc
   
6. mount /dev/sda4 /mnt
   - S5 B+ C( m0 J& d
7. 
   
8. # 拷贝文件
   
9. cd /mnt
   
10. cp armada-3720-customer0.dtb /boot/
    / \2 W9 b0 ^" L8 d
11. cp Image /boot/
      b  a, n' \: `" e2 S
12. 
    
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：
! R5 V. x6 R. T+ V6 Q/ Y$ _

1. TIM-1.0
   / ], X4 r  R1 q4 d5 t0 Q8 e( U
2. WTMI-armada-17.10.1-
   6 ~* K/ ?3 z: Z: k2 W
3. ENTER init_ddrgen
   
4. DDR_TOPOLOGY is 0 :        DDR3, 1CS 512M
   # m0 ?0 A6 y- p) @
5. WTMI_CLOCK=2
   ' a) A2 l$ \! _2 U7 M
6. 
   
7. Fill memory before self refresh...done
   8 Q. J( ?5 q' v% o) c5 S
8. 
   
9. Now in Self-refresh Mode
   $ {7 _" s( }4 T, O
10. Restore CAS Read and Write Latency
    
11. Restore termination values to original values
    5 j# {: H" r3 D! y! N
12. Exited self-refresh ...
    % a6 J0 g$ j6 e+ f) A5 E  ]. r6 K
13. 
    
14. DLL TUNING
    
15. ==============
    ( g4 R0 I, e4 @0 a8 J5 j
16.    DLL 0xc0001050[21:16]: [0,31,18]
    ' `; K* c7 S0 f. o; I9 N
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]
    ) W+ w6 D  {8 b" R9 X; Z( T
21.    DLL 0xc0001074
    
22. 
    
23. U-Boot 2017.03-armada-17.10.1 (Mar 07 2018 - 17:11:33 +0800)
    
24. 
    
25. Model: Marvell Armada 3720 for Eli Cat
    
26.        CPU    @ 1000 [MHz]
    & A/ n0 W$ |% i, Y$ f
27.        L2     @ 800 [MHz]
    
28.        TClock @ 200 [MHz]
    - k' }: s; b6 r3 l3 s" n& [2 J& f/ D
29.        DDR    @ 800 [MHz]
    
30. I2C:   ready
    8 L9 p% A' _2 `8 w  n! O
31. DRAM:  512 MiB
    
32. U-Boot DT blob at : 000000001f73a520
    + {' s/ Q6 g6 e4 a6 G* G. f
33. SF: Detected GD25LQ64C with page size 256 Bytes, erase size 4 KiB, total 8 MiB
    4 D: A, S5 ^+ \
34. *** Warning - bad CRC, using default environment
    
35. 
    
36. MMC:   for ssg ledsdhci@d8000: 0
    . L6 n! D" J. D+ h+ Y
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
    
40. gpio: pin GPIO23 (gpio 39) value is 1
    
41. Comphy-0: USB3_HOST0    5 Gbps   
    ; ?" l; f: V9 i9 E/ x. q! E2 X$ L. s' ?
42. Comphy-1: SGMII0        1.25 Gbps
    
43. Comphy-2: SATA0         6 Gbps   
    
44. gpio: pin GPIO23 (gpio 39) value is 1
    - v% [1 A, K- ]4 J4 w" y0 K9 u
45. 12931 bytes read in 4 ms (3.1 MiB/s)
    3 M0 ~5 b  h% F  y1 u0 Q9 S
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
$ s5 I7 _6 Q( Z* `- I9 n& |


0 Z. Y6 Y) V7 j4 P$ p& O: _0 i

xingjiwoniu

' y" [8 V$ r, N& t
" K/ v3 a0 e( r2 d8 d& W3 i) d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
按照你这个执行不成功啊

还是提示找不到？

kuangogrish

顶一下顶一下

GokuSun

tymfl 发表于 2019-10-9 20:36
还是提示找不到？

( d/ u7 v: [9 J. A8 J2 d) R# [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.
4 u" k, `! k8 g: A完全按照您的步骤做的