Re: [meta-freescale]: 32be_rootfs boot from sdcard

[Leonardo Sandoval <leonardo.sandoval.gonzalez@linux.intel.com>]

wrong list, you may have better luck at the meta-fsl mailing list.

BTW, the kernel expects a filesystem on a partition and the latter must
be defined in the kernel command line, using the root parameter.






On Wed, 2017-04-05 at 09:25 +0000, Zheng, Ruoqin wrote:
> 32be_rootfs boot from sdcard (ls1046)
> 
>  
> 
> I used source code provided by nxp  QorIQ-Linux-SDK-v2.0-SOURCE.iso +
> SDK-V2.0-1701 to build the kernel and rootfs , then it can’t boot from
> sdcard.
> 
>  
> 
> I tried to put kernel(32be) and rootfs(32be) in SD card , and boot it
> follow the SDK2.0, it was fail to mount the rootfs(while 64be kernel
> is normal),and here is part of log:
> 
> mmcblk0: mmc0:0007 SL32G 29.0 GiB
> 
>  mcblk0: p1
> 
> VFS: Mounted root (ext2 filesystem) on device 1:0.
> 
> VFS: Cannot open root device "mmcblk0p1" or unknown-block(0,0): error
> -6
> 
> Please append a correct "root=" boot option; here are the available
> partitions:
> 
> 0100          262144 ram0  (driver?)
> 
> 0101          262144 ram1  (driver?)
> 
> 0102          262144 ram2  (driver?)
> 
> 0103          262144 ram3  (driver?)
> 
> 0104          262144 ram4  (driver?)
> 
> 0105          262144 ram5  (driver?)
> 
> 0106          262144 ram6  (driver?)
> 
> 0107          262144 ram7  (driver?)
> 
> 1f00          524288 mtdblock0  (driver?)
> 
> b300        30375936 mmcblk0  driver: mmcblk
> 
>   b301        30371936 mmcblk0p1 00000000-01
> 
> Kernel panic - not syncing: VFS: Unable to mount root fs on
> unknown-block(0,0)
> 
> CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.1.30-rt34+ #2
> 
> Hardware name: Freescale LAYERSCAPE
> 
>  
> 
> The entire log is in atachments, do anyone have any idea about this
> problem? 
> 
>  
> 
> By the way, I tried to boot the kernel with command “bootm
> a0000000:kernel@1 - a0000000:fdt@1”
> 
> And the log show as below, you can see that mmcblk0 device is missed,
> do anyone know the reason?
> 
>  
> 
> ALSA device list:
> 
>   No soundcards found.
> 
> VFS: Cannot open root device "mmcblk0p1" or unknown-block(0,0): error
> -6
> 
> Please append a correct "root=" boot option; here are the available
> partitions:
> 
> 0100          262144 ram0  (driver?)
> 
> 0101          262144 ram1  (driver?)
> 
> 0102          262144 ram2  (driver?)
> 
> 0103          262144 ram3  (driver?)
> 
> 0104          262144 ram4  (driver?)
> 
> 0105          262144 ram5  (driver?)
> 
> 0106          262144 ram6  (driver?)
> 
> 0107          262144 ram7  (driver?)
> 
> 1f00          524288 mtdblock0  (driver?)
> 
> Kernel panic - not syncing: VFS: Unable to mount root fs on
> unknown-block(0,0)
> 
> CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.1.30-rt34+ #2
> 
> Hardware name: Freescale LAYERSCAPE
> 
>  
> 
>  
> 
> Zheng Ruoqin
> 
> Nanjing Fujitsu Nanda Software Tech. Co., Ltd.(FNST)
> 
> ADDR.: No.6 Wenzhu Road, Software Avenue,
> 
>        Nanjing, 210012, China
> 
> MAIL : zhengrq.fnst@cn.fujistu.com
> 
>  
> 
> 
> -- 
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