On Thu, Nov 6, 2014 at 12:31 AM, <[email protected]> wrote: > > Hi > > I've been following the steps at > https://eewiki.net/display/linuxonarm/BeagleBone+Black; Trying build the > latest mainline kernel with the minimum Debian filesystem. > > I don't quite understand what is happening in the following steps under > "Setup microSD/SD card" > > sudo dd if=/dev/zero of=${DISK} bs=1M count=10 > sudo dd if=./u-boot/MLO of=${DISK} count=1 seek=1 conv=notrunc bs=128k > sudo dd if=./u-boot/u-boot.img of=${DISK} count=2 seek=1 conv=notrunc > bs=384k > > Create Partition Layout: > sudo sfdisk --in-order --Linux --unit M ${DISK} <<-__EOF__ > 1,,0x83,* > __EOF__ > > Format Partitions: > for: DISK=/dev/mmcblk0 > sudo mkfs.ext4 ${DISK}p1 -L rootfs > > I realise the a card is being wiped and then formatted but I'm not sure why. > The default Debian sd card image (and other images I found) Have separate > boot partition, however in this example only one partition is created. > > Why is this tutorial different?
It's the same setup used on 'newer' snapshots.. http://elinux.org/Beagleboard:BeagleBoneBlack_Debian#Debian_Image_Testing_Snapshots > Is it just a new feature of U-boot? it's a feature available to newer ti bootrom's, (omap4 generation + ) which we are utilizing to make it easier for windows users to not accidentally delete MLO/u-boot.img and soft-bricking there board. > Also after following the all the steps in the tutorial the the beagelbone > black will boot from the SD card but it will hang on the line "net eth0: phy > 4a101000.mdio:01 not found on slave 1" for about 30 sec before showing the > login prompt but that is probably a question for another thread. dhcp is still slow, it takes a few seconds for the eth0 to get an ip address. Regards, -- Robert Nelson http://www.rcn-ee.com/ -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
