[meta-freescale] Missing devtmpfs w/ i.MX6Q SabreSD sato-sdk image

[Daiane Angolini]

On Wed, Jun 26, 2013 at 5:37 PM, squirem <squirem at fbdfrozen.com> wrote:
> Daiane Angolini <daiane.angolini at ...> writes:
>
>> I follow the steps from
>> https://github.com/Freescale/fsl-community-bsp-platform
>>
>> $ ./repo init -u https://github.com/Freescale/fsl-community-bsp-platform
>> -b dylan
>> $ ./repo sync
>> $ source ./setup-environment build
>> $ MACHINE="imx6qsabresd" bitbake core-image-minimal
>>
>> I'm not used with HOB, in fact...
>>
>
> Hello Daiane,
> The sdcard image generated by poky seems to work. However, I first tried
> dd'ing u-boot, the kernel, and rootfs individually and I received the
> "missing devtmpfs" error. This means the issue has something to do with how I
> copied the images to the SD card. I must, how exactly is that SD card image
> put together?

Exactly, you can find it here:
http://git.yoctoproject.org/cgit/cgit.cgi/meta-fsl-arm/tree/classes/image_types_fsl.bbclass

>From your log

Waiting for root device /dev/mmcblk1p1...
mmc2: new high speed SDHC card at address aaaa
mmcblk1: mmc2:aaaa SU08G 7.40 GiB
 mmcblk1: p1
EXT3-fs (mmcblk1p1): error: couldn't mount because of unsupported optional
features (240)
EXT2-fs (mmcblk1p1): error: couldn't mount because of unsupported optional
features (240)
EXT4-fs (mmcblk1p1): mounted filesystem with ordered data mode. Opts: (null)
VFS: Mounted root (ext4 filesystem) on device 179:25.

it seems your rootfs was properly mounted. However I don't see those
ext2/ext3 errors on my log:


 Waiting for root device /dev/mmcblk1p2...
mmc2: new SDHC card at address d3db
mmcblk1: mmc2:d3db SD04G 3.69 GiB
 mmcblk1: p1 p2
EXT3-fs (mmcblk1p2): warning: feature flags set on rev 0 fs, running
e2fsck is recommended
EXT3-fs: barriers not enabled
kjournald starting.  Commit interval 5 seconds
EXT3-fs (mmcblk1p2): warning: updating to rev 1 because of new feature
flag, running e2fsck is recommended
EXT3-fs (mmcblk1p2): using internal journal
EXT3-fs (mmcblk1p2): mounted filesystem with writeback data mode
VFS: Mounted root (ext3 filesystem) on device 179:26.
devtmpfs: mounted
Freeing init memory: 204K
INIT: version 2.88 booting
Starting udev

Would if be some partition table issue?

Daiane