[OE-core] [meta-freescale]: 32be_rootfs boot from sdcard
Leonardo Sandoval
leonardo.sandoval.gonzalez at linux.intel.com
Wed Apr 5 15:14:16 UTC 2017
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 at 1 - a0000000:fdt at 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 at cn.fujistu.com
>
>
>
>
> --
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