[meta-freescale] imxq6 sabre sd locks up when starting Qt5_Cinematic experience

[Otavio Salvador]

On Fri, Aug 1, 2014 at 12:33 PM, Gunnar Roth <gunnar.roth at gmx.de> wrote:
>>> But i have no clue why i have to change all this (mmcroot and fdt_file) in uboot, when i build an image for this very sabresd board.
>>> Is the other setting beneficial for anyone using this board?
>
>>The mmcroot issue was fixed in master; so please update and confirm it
>>works for you.
>
> Hmm i built on top of
> 2014-07-28 12:16 Otavio Salvador    o [HEAD] [m/master] [yocto/master] u-boot-fslc: Update to 7a3b1da revision
> which says
> main] 6ef8db67df3436a463851ff95dcfb6a66132f3c0 - commit 1 of 1196 (0%)
> commit 6ef8db67df3436a463851ff95dcfb6a66132f3c0
> Refs: HEAD, <m/master>, <yocto/master>, 1.6-34-g6ef8db6
> Author:     Otavio Salvador <otavio at ossystems.com.br>
> AuthorDate: Mon Jul 28 12:16:42 2014 -0300
> Commit:     Otavio Salvador <otavio at ossystems.com.br>
> CommitDate: Mon Jul 28 12:16:42 2014 -0300
>
>     u-boot-fslc: Update to 7a3b1da revision
>
>     This includes the following changes:
>
>     7a3b1da mx6sabresd: Use mmcblk0 for CONFIG_MMCROOT
>
>
>
> So i would assume them  mmcblk0 issue should be fixed in my build. I read about that change here and made an update and bitbaked again.
> But it is not yet working for me.

Have you used the .sdcard file? if not, do:

> env default -f -a
> saveenv

inside U-Boot and give it a new try.

>>The fdt_file is indeed a bug and we're after the root cause of it as
>>the 2014.07 version of U-Boot includes the PMIC support.
>
> so this is about powermanagment device volatage regulator and we want to use device tree without ldo? well i have only a very very small knowledge of this stuff.
> But would it be possible to set back in git to the ldo ftd as long as imx6q-sabresd.dtb does not work? That was a really bad linux experience for me.

We're trying to narrow down the root cause and fix it.

Please use don't rely on master for products as those things happen
during the development; your best bet is daisy as it is the current
stable release.

-- 
Otavio Salvador                             O.S. Systems
http://www.ossystems.com.br        http://code.ossystems.com.br
Mobile: +55 (53) 9981-7854            Mobile: +1 (347) 903-9750