没有执行SD卡里面的rootfs？自动读取了nand flash里面的rootfs？

jun1172

自己编译了kernel和uboot，这两个都可以运行起来。硬件设置的从SD卡启动
uboot启动

1. U-Boot 2016.03 (Oct 28 2019 - 21:21:43 +0800)
   
2. 
   
3. CPU:   Freescale i.MX6ULL rev1.0 528 MHz (running at 396 MHz)
   
4. CPU:   Industrial temperature grade (-40C to 105C) at 43C

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kernel启动

1. Starting kernel ...
   
2. 
   
3. Booting Linux on physical CPU 0x0
   
4. Linux version 4.1.15 (jun@ubuntu) (gcc version 4.9.4 (Linaro GCC 4.9-2017.01) ) #4 SMP PREEMPT Mon Oct 28 21:24:51 CST 2019
   
5. CPU: ARMv7 Processor [410fc075] revision 5 (ARMv7), cr=10c53c7d
   
6. CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache
   

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问题出在文件系统，最后一部分报错信息

1. mmcblk0: error -110 sending status command, retrying
   
2. mmcblk0: error -110 sending status command, retrying
   
3. mmcblk0: error -110 sending status command, aborting
   
4. blk_update_request: I/O error, dev mmcblk0, sector 0
   
5. Buffer I/O error on dev mmcblk0, logical block 0, async page read
   
6. mmcblk0: unable to read partition table
   
7. RAMDISK: gzip image found at block 0
   
8. RAMDISK: incomplete write (18404 != 32768)
   
9. write error
   
10. VFS: Mounted root (ext2 filesystem) on device 1:0.
    
11. devtmpfs: mounted
    
12. Freeing unused kernel memory: 440K (80b18000 - 80b86000)
    
13. EXT2-fs (ram0): error: ext2_get_inode: unable to read inode block - inode=261, block=65541
    
14. EXT2-fs (ram0): error: remounting filesystem read-only
    
15. Starting init: /sbin/init exists but couldn't execute it (error -5)
    
16. EXT2-fs (ram0): error: ext2_get_inode: unable to read inode block - inode=327, block=81925
    
17. EXT2-fs (ram0): error: remounting filesystem read-only
    
18. Starting init: /bin/init exists but couldn't execute it (error -5)
    
19. EXT2-fs (ram0): error: ext2_get_inode: unable to read inode block - inode=327, block=81925
    
20. EXT2-fs (ram0): error: remounting filesystem read-only
    
21. Starting init: /bin/sh exists but couldn't execute it (error -5)
    
22. Kernel panic - not syncing: No working init found.  Try passing init= option to kernel. See Linux Documentation/init.txt for guidance.
    
23. ---[ end Kernel panic - not syncing: No working init found.  Try passing init= option to kernel. See Linux Documentation/init.txt for guidance.
    

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看这个信息，像是ramdisk分配的不合理

修改uboot配置

1. setenv bootargs 'console=ttymxc0,115200 ramdisk_size=40000000'
   
2. setenv bootcmd 'mmc dev 0; fatload mmc 0:1 80800000 zImage; fatload mmc 0:1 81800000 ramdisk.img;fatload mmc 0:1 87800000 imx6ull-14x14-evk.dtb; bootz 80800000 81800000 87800000;'
   
3. saveenv

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能跑起来了，但是读到的不是我加载到81800000这个地址的文件系统，这个被挂载的文件系统是我写到nand里面的那个

1. mmcblk0: error -110 sending status command, retrying
   
2. mmcblk0: error -110 sending status command, retrying
   
3. mmcblk0: error -110 sending status command, aborting
   
4. blk_update_request: I/O error, dev mmcblk0, sector 0
   
5. Buffer I/O error on dev mmcblk0, logical block 0, async page read
   
6. mmcblk0: unable to read partition table
   
7. RAMDISK: gzip image found at block 0
   
8. VFS: Mounted root (ext2 filesystem) on device 1:0.
   
9. 
   
10. Please press Enter to activate this console.
    
11. / #
    
12. / # ls
    
13. bin         lib         mnt         root        tmp
    
14. dev         linuxrc     opt         sbin        usr
    
15. etc         lost+found  proc        sys         var
    
16. / #
    

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请问怎么运行我放在SD里面的文件系统？这个nand里面的文件系统在什么时候，自己读取到的？
终端打印信息太长，我做成文件上传。
终端打印信息.zip (7.37 KB, 下载次数: 0)

2019-10-29 13:41 上传

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