[meta-freescale] Booting imx6q Saber SD

[Gary Thomas]

On 2012-12-13 04:28, Thomas Senyk wrote:
> On Thu, December 13, 2012 12:13:58 Thomas Senyk wrote:
>> On Thu, December 13, 2012 09:07:05 Fabio Estevam wrote:
>>> On Thu, Dec 13, 2012 at 9:03 AM, Thomas Senyk
>>>
>>> <thomas.senyk at pelagicore.com> wrote:
>>>> Hi,
>>>>
>>>> Yesterday I got a Saber SD (as a second board to my SaberLite).
>>>> I've used the imx6qsabresd machine config to create a sdcard.
>>>>
>>>> uboot and kernel look like they are working, but the rootfs is not
>>>> mountable during boot.
>>>>
>>>> Here is the corresponding kernel output:
>>>>
>>>> Waiting 2sec before mounting root device...
>>>> VFS: Cannot open root device "mmcblk1p2" or unknown-block(179,26)
>>>> Please append a correct "root=" boot option; here are the available
>>>
>>> Do you also have a SD card connected to SD2 slot? If so, can you
>>> please remove it and keep only the SD card at slot SD3?
>>
>> Nop nothing in SD2
>
> The opposite (haven the "same" sdcard in both slots) doesn't help either ;)
>
> VFS: Cannot open root device "mmcblk1p2" or unknown-block(179,26)
> Please append a correct "root=" boot option; here are the available
> partitions:
> b300         7757824 mmcblk0  driver: mmcblk
> b310            2048 mmcblk0boot1  (driver?)
> b308            2048 mmcblk0boot0  (driver?)
> b318         3880960 mmcblk1  driver: mmcblk
>    b319            8192 mmcblk1p1 00000000-0000-0000-0000-000000000000
>    b31a          262144 mmcblk1p2 00000000-0000-0000-0000-000000000000
> b320         7822336 mmcblk2  driver: mmcblk
>    b321            8192 mmcblk2p1 00000000-0000-0000-0000-000000000000
>    b322          262144 mmcblk2p2 00000000-0000-0000-0000-000000000000
> Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-
> block(179,26)

Could you post the boot log?  There should be messages about what MMC
devices and partitions are discovered by the kernel which could help.

>
> I tried to boot from SD2 only.
> When switching the DIPs 1 and 2 he loads uboot from SD2, but I can't get
> 'fatload mmc' working when booting from SD2