Re: BeagleBone Black , u-boot, and zImage

[Maciej Borzecki <maciej.borzecki@open-rnd.pl>]

On Monday 18 of August 2014 10:16:14 Denys Dmytriyenko wrote:
> On Mon, Aug 18, 2014 at 09:34:58AM -0300, Diego Sueiro wrote:
> > On Mon, Aug 18, 2014 at 9:28 AM, Maciej Borzecki <
> > 
> > maciej.borzecki@open-rnd.pl> wrote:
> > > Rough guess, but it looks like a default u-boot from eMMC. Try following
> > > official instruction to make it boot off SD card:
> > > https://www.yoctoproject.org/downloads/bsps/daisy16/beaglebone
> > 
> > This should do the trick:
> > "Pressing the USER/BOOT button when powering on will temporarily change
> > the
> > boot order".
> 
> The USER button may sometimes be tricky, as it preserves the state across
> reboots. So, if you already booted off of eMMC, holding the button and
> rebooting won't work - you'd have to unplug the power to completely turn it
> down and then power it up, while pressing the USER button. Making eMMC
> non-bootable is more reliable in many cases...

Silly question, is there any requirement that partition block count must be 
even for boot partition?

For instance, I'm not able to boot using this partition layout, keep getting 
CCC on serial console:

Device         Boot     Start       End Blocks  Id System
/dev/mmcblk0p1 *         2048     22526  10239+  c W95 FAT32 (LBA)
/dev/mmcblk0p2          22528    116735  47104  83 Linux

This one, almost works (u-boot runs, init fails mounting rootfs):
evice         Boot     Start       End Blocks  Id System
/dev/mmcblk0p1 *         2048     22527  10240   c W95 FAT32 (LBA)
/dev/mmcblk0p2          22528    116735  47104  83 Linux



-- 

Maciej Borzęcki 
Senior Software Engineer Open-RnD Sp. z o.o. 
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