Booting kernel on Cubieboard/Mele a_1000 (Allwiner A10)

[Ganbold Tsagaankhuu]

On Thu, Jun 27, 2013 at 5:36 AM, Mariano Lescano <mercanoles at gmail.com>wrote:

> Hi
> We have the kernel booting using ubldr. At the point to mount the root
> filesystem we get this message:
>
> ======================================================
>
> Trying to mount root from ufs:/dev/mmcsd0s2a [rw,noatime]...
> stack_capture: frame=0xdcacfa3c
> stack_capture: frame=0
> stack_capture: frame=0xdcacf85c
> stack_capture: frame=0xc30feda4
> stack_capture: frame=0
> mountroot: waiting for device /dev/mmcsd0s2a ...
> Mounting from ufs:/dev/mmcsd0s2a failed with error 19.
> Trying to mount root from ufs:/dev/da0s2a []...
> mountroot: waiting for device /dev/da0s2a ...
> Mounting from ufs:/dev/da0s2a failed with error 19.
>
> Loader variables:
>   vfs.root.mountfrom=ufs:/dev/mmcsd0s2a
>   vfs.root.mountfrom.options=rw,noatime
>
> Manual root filesystem specification:
>   <fstype>:<device> [options]
>       Mount <device> using filesystem <fstype>
>       and with the specified (optional) option list.
>
>     eg. ufs:/dev/da0s1a
>         zfs:tank
>         cd9660:/dev/acd0 ro
>           (which is equivalent to: mount -t cd9660 -o ro /dev/acd0 /)
>
>   ?               List valid disk boot devices
>   .               Yield 1 second (for background tasks)
>   <empty line>    Abort manual input
>
> mountroot> ?
>
> List of GEOM managed disk devices:
>
>
> mountroot>
>
> ========================================================
>
> We can see that List of GEOM managed disk devices is empty
>
> What could be the problem?
> Any suggestions?
>


Are you sure that current driver works for it? Can you show dmesg?
I used usb stick in Cubieboard, so I can't comment about SD.

Ganbold



>
> Thanks
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