猫盘故障机的自我救赎

tymfl

3 U) Z- l; j* j& B入手一台伊拉克成色猫盘故障机，连好ttl上电以后
  z% p! G( R& ~. z5 A

1. TIM-1.0
   
2. WTMI-armada-17.10.1-
   , O5 \6 V; w: @+ @- G
3. .........
   * y: t; N" L& A1 X! U  s
4. SF: Detected GD25LQ64C with page size 256 Bytes, erase size 4 KiB, total 8 MiB
   
5. *** Warning - bad CRC, using default environment
   3 k$ D; ]5 x0 n
6. 
   ' |5 D+ i# S' m& ]( _, }  y
7. MMC:   for ssg ledsdhci@d8000: 0
   1 S$ n4 L$ z) D/ `" l5 z
8. ** File not found boot/armada-3720-customer0.dtb **
   
9. ** File not found boot/armada-3720-customer0-minifs.dtb **
   5 o) ^5 T3 S2 u/ e2 b8 }
10. test_mmc_ext4_exist ==1
    + _9 k- x/ k0 w2 {
11. Comphy-0: UNCONNECTED  
    
12. Comphy-1: UNCONNECTED  
    ! i; a$ v. V; f
13. Comphy-2: UNCONNECTED  
    & C+ X; t! V0 V0 a; l9 f2 g) |
14. gpio: pin GPIO23 (gpio 39) value is 1
    . v  u: h$ u% V
15. ** File not found boot/armada-3720-customer0.dtb **
    1 F/ l  [* B" e/ [
16. ** File not found boot/armada-3720-customer0-minifs.dtb **
    " e; A" o. w1 E: @" x' ?" G
17. Enter Recovery mode
    ; O$ J1 R, y1 T9 G& I3 f% E, ]
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
   & a5 B# K. `+ X  q5 x
2. SF: Detected GD25LQ64C with page size 256 Bytes, erase size 4 KiB, total 8 MiB
   4 A2 J/ L- [; b, `. U* f
3. device 0 offset 0xcc000, size 0x434000
   
4. SF: 4407296 bytes @ 0xcc000 Read: OK
   " h# G$ |' Q2 q  o3 i" T
5. gpio: pin GPIO21 (gpio 37) value is 1
   
6. gpio: pin GPIO22 (gpio 38) value is 1
   + O0 G6 {( K, i7 ]3 u, d: o
7. Uncompressed size: 8992256 = 0x893600
   ' O* N/ k7 ?& t0 R& S) Y
8. device 0 offset 0xc8000, size 0x4000
   / j) D0 _2 o0 T& k. U, D( K
9. SF: 16384 bytes @ 0xc8000 Read: OK
   2 |% I! O7 a; p* Z0 k% N1 \6 C
10. ## Flattened Device Tree blob at 04f00000
    
11.    Booting using the fdt blob at 0x4f00000
    ( n5 J0 F5 R3 B5 a0 k1 Y( e
12.    Using Device Tree in place at 0000000004f00000, end 0000000004f05df8
    : O  y8 ?  r( }- Q2 S* {+ v
13. 
    # \$ i- S+ R4 m$ L# _
14. Starting kernel ...
    
15. 
    
16. .........
    
17. [    2.786623]  mmcblk0: p1 p2 p3
    - \6 ~4 f! k+ D$ S2 k
18. [    2.801201] Starting init: /sbin/init exists but couldn't execute it (error -5)
    6 D- g* \% j% w* I# Q
19. [    2.813804] cramfs: bad compressed blocksize 4294298135
    
20. [    2.819206] Starting init: /bin/sh exists but couldn't execute it (error -5)
    0 ~5 t! a( }2 y  _" v8 R
21. [    2.826452] Kernel panic - not syncing: No working init found.  Try passing init= option to kernel. See Linux Documentation/init.txt for guidance.
    ; I' u6 t, K' F0 {# ?) W
22. [    2.840101] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.4.52-armada-17.10.1 #21
    
23. [    2.847399] Hardware name: Marvell Armada 3720 for Eli-Cat DB-88F3720-DDR3 (DT)
    
24. [    2.854957] Call trace:
    
25. [    2.857401] [<ffffffc000089b10>] dump_backtrace+0x0/0x108
    & F) h  W0 [8 x
26. [    2.863150] [<ffffffc000089c2c>] show_stack+0x14/0x20
    / x4 a) Q9 B: g; h+ J
27. [    2.868371] [<ffffffc00029f280>] dump_stack+0x98/0xb8
    
28. [    2.873592] [<ffffffc00012b32c>] panic+0xd4/0x218
    
29. [    2.878454] [<ffffffc000621d0c>] kernel_init+0xdc/0xe0
    
30. [    2.883761] [<ffffffc000085dd0>] ret_from_fork+0x10/0x40
    
31. [    2.888890] CPU0: stopping
    
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
    ( y7 u1 t5 W. o8 y" `7 k
37. [    2.920580] [<ffffffc00029f280>] dump_stack+0x98/0xb8
    / C1 l+ c9 W6 Q: l  M5 O9 k
38. [    2.925892] [<ffffffc00008efc0>] handle_IPI+0x190/0x1a0
    
39. [    2.931030] [<ffffffc000082598>] gic_handle_irq+0x78/0x168
    1 e. Z& K. W6 d; [
40. [    2.936969] Exception stack(0xffffffc0008abda0 to 0xffffffc0008abed0)
    & w5 a& ?" a. O! k! L9 J% a% H( Z
41. [    2.943547] bda0: ffffffc0008ae000 0000008000000000 ffffffc0008abf00 ffffffc000086840
      B& n; B! B# G6 P2 N7 E: c
42. [    2.951467] bdc0: 0000000000000145 ffffffc000890000 0000000000000000 0000000000000000
    
43. [    2.959567] bde0: 0000000000000001 0000000000000000 00000000000001c0 0100000000000000
    % L% _, t4 e4 |- y
44. [    2.967757] be00: 0000000000000001 ffffffc01bfcddc0 00000000fffeddda ffffffc0008abe80
    
45. [    2.975676] be20: 00000000000006d0 0000000000000000 0000000000000000 00000000058e8eff
    
46. [    2.983954] be40: ffffffc00426c260 00000000000075af 00000000000ba7a2 0000000000000000
    1 L6 ]) {6 i0 u" u. e( z
47. [    2.991876] be60: ffffff8000058548 ffffffc0008ae000 ffffffc0008ae8d8 ffffffc00088cad8
    
48. [    2.999886] be80: ffffffc0008abf20 ffffffc000631000 ffffffc000890000 ffffffc0008ae000
    
49. [    3.007986] bea0: ffffffc0008a8000 0000000000000000 0000000000000000 ffffffc0008abf00
    2 i8 v6 _- K( A! k/ ^
50. [    3.016353] bec0: ffffffc00008683c ffffffc0008abf00
    1 O: Z3 D% C5 c( k& C0 D3 O
51. [    3.021215] [<ffffffc000085700>] el1_irq+0x80/0xf8
    
52. [    3.026168] [<ffffffc0000d8164>] default_idle_call+0x1c/0x38
    & }+ t: |) L& o
53. [    3.032373] [<ffffffc0000d8398>] cpu_startup_entry+0x1c8/0x218
    ; d( S" I8 v8 {$ f* c
54. [    3.038411] [<ffffffc000621c20>] rest_init+0x88/0x98
    $ C" v5 l1 m* C0 `- j
55. [    3.043192] [<ffffffc00084d950>] start_kernel+0x384/0x398
    % k/ b- B& u; F, p" ^
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

1. # 查看文件夹 发现boot为空
   * ?+ ^& H- D! R, V8 P) Y( m( t
2. Marvell>> ext4ls mmc 0:1 /boot
   9 x$ o- s) a6 O& h' p6 ]5 G
3. <DIR>       4096 .
   ( T; B0 L2 l1 _
4. <DIR>       4096 ..
   
5. 
   
6. # 无法启动usb
   
7. Marvell>> usb start
   
8. starting USB...
   1 r: t9 s& Z6 O* {% A: x; c& 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

7 x0 b+ o2 p  T& ^                               
登录/注册后可看大图

启动进入uboot输入如下命令

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"
   8 A0 I- z4 o( R5 k* b% S  f
3. boot
     ^' J* I; h+ |7 w- Y. Z
4. booti 0x5000000 - 0x4f00000

复制代码

即可进入linux shell
$ t0 f" G) h* U2 `6 ^9 V

1. # 查看存储设备
   
2. ls -l /dev/sd
   9 z- k) z  Z8 ?
3. 
   6 v  H& }/ k. \+ B' }
4. # 挂载
   
5. mount -t proc /proc
   
6. mount /dev/sda4 /mnt
   ) m  ^! L' z( j; S3 Y! p. x% F
7. 
   " Y, |. p1 a8 W5 Q% Q3 k
8. # 拷贝文件
   
9. cd /mnt
   ! D9 [/ G, ]6 f+ @; |$ P
10. cp armada-3720-customer0.dtb /boot/
    ( S* j3 l7 A  _& g& E: p
11. cp Image /boot/
    % L$ w# m" O' \$ A2 q" \
12. 
    
13. # 退出
    * r* G+ @0 D" a8 `7 M2 k( B
14. exit

复制代码

重新插拔电源后恢复正常,uboot信息如下：
8 m4 @, @+ ~( ^! n) V, t' H4 \

1. TIM-1.0
   
2. WTMI-armada-17.10.1-
   9 O9 z" u, h; r. X! R; n; w
3. ENTER init_ddrgen
   * q- N. h4 S% p. P: X( P0 z; t
4. DDR_TOPOLOGY is 0 :        DDR3, 1CS 512M
   
5. WTMI_CLOCK=2
   
6. 
   
7. Fill memory before self refresh...done
   
8. 
   . K8 o" L7 s* f3 n( [+ W% j
9. Now in Self-refresh Mode
   
10. Restore CAS Read and Write Latency
    
11. Restore termination values to original values
    
12. Exited self-refresh ...
    
13. 
    
14. DLL TUNING
    ' G5 q9 s: c6 s' F% z4 a; x6 T, B5 \
15. ==============
    
16.    DLL 0xc0001050[21:16]: [0,31,18]
    
17.    DLL 0xc0001050[29:24]: [0,2b,15]
    1 j9 A1 ?) [. _+ X
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
    + `% Z, Z: O5 v. w" R
22. 
    
23. U-Boot 2017.03-armada-17.10.1 (Mar 07 2018 - 17:11:33 +0800)
    
24. 
    . J- m' g7 B5 @1 A: f+ z
25. Model: Marvell Armada 3720 for Eli Cat
    
26.        CPU    @ 1000 [MHz]
    2 d( s9 h6 h3 w- _' ]
27.        L2     @ 800 [MHz]
    
28.        TClock @ 200 [MHz]
    
29.        DDR    @ 800 [MHz]
    
30. I2C:   ready
    . S) L- I% U: H8 m4 P3 l* f3 J2 a
31. DRAM:  512 MiB
    ( P- T, g8 q  C) @: V( G( X/ P
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
    
35. 
    
36. MMC:   for ssg ledsdhci@d8000: 0
    
37. 12931 bytes read in 16 ms (789.1 KiB/s)
    
38. gpio: pin GPIO23 (gpio 39) value is 1
    & l* H; G$ O8 v
39. gpio: pin GPIO23 (gpio 39) value is 1
    # R1 T, {/ K/ o0 `  R
40. gpio: pin GPIO23 (gpio 39) value is 1
    
41. Comphy-0: USB3_HOST0    5 Gbps   
    
42. Comphy-1: SGMII0        1.25 Gbps
    $ a) m6 p& Z9 |8 z! l( b
43. Comphy-2: SATA0         6 Gbps   
    0 h. O  |+ s! h. i0 B
44. gpio: pin GPIO23 (gpio 39) value is 1
    
45. 12931 bytes read in 4 ms (3.1 MiB/s)
    
46. Enter Normal mode
    1 I4 |4 I  Q3 F: F, M8 M- Q
47. SCSI:  Hit any key to stop autoboot:  0

复制代码

. ?! j$ l4 v4 J' }" c' g3 E- a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。
+ ?  O& _1 y1 L或者直接在linux shell里面刷写新uboot
+ j% \" o' y2 h: t9 R( d) V3 r' g

; X4 h5 T3 Z5 v( U) A0 c

xingjiwoniu

/ `$ C+ q; \, a/ ^  j6 ?. N" T
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
+ }; l- u5 O+ V* ]* t+ _. O5 a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？

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.
/ P& A9 ?2 T0 u: D" M完全按照您的步骤做的