Thank you. On Wednesday, May 17, 2017 at 10:53:52 PM UTC-4, RobertCNelson wrote: > > On Wed, May 17, 2017 at 2:03 PM, Jeffrey Milloy > <[email protected] <javascript:>> wrote: > > > > I'm trying to write Debian 7.5 (2014-05-14) onto a BeagleBoneBlack > > Industrial from Element14, but following the instructions at > > http://elinux.org/Beagleboard:BeagleBoneBlack_Debian#Flashing_eMMC > didn't > > work. It doesn't flash the image at reboot (at least, there is no LED > > flashing pattern). > > > > Here is no init-eMMC-flasher-v3.sh file in the Debian 7.5 image, so I > ran a > > git pull from /opt/scripts and got the script. > > > > What do I need to do to flash the eMMC at reboot? Should I use a > different > > script that the v3 one? Or will it fail for other reasons? > > > > I am willing to do it manually with dd. It looks like I want something > like > > > > dd if=/dev/mmcblk0 of=/dev/mmcblk1 > > > > But the drive at /dev/mmcblk0 is 16Gb (the size of my microSD card) and > the > > eMMC drive is only 4Gb, so it fails. Maybe I need to make a partition on > > /dev/mmcblk1 and do something like the following. How should I set up > that > > partition on the command line? > > > > dd if=/dev/mmcblk0p1 of=/dev/mmcblk1p1 > > > > > > Backstory: I am trying to upgrade from 2Gb BeagleBoneBlack boards to 4Gb > > BeagleBoneBlack Industrial boards from Element14. The old boards have > Debian > > 7.5 (2014-05-14) on them and work just fine. The BBB Industrial boards > come > > with Debian 7.9, and I haven't been able to get serial communication > over > > /dev/ttyO1 working. Serial communication is working fine on a BBB > Industrial > > from the SD card boot of 7.5, so if I could just flash 7.5 on the new > > boards, that might be a quicker fix that diagnosing the serial > communication > > issues. > > You can grab the "original" eMMC flasher here: > > > https://debian.beagleboard.org/images/BBB-eMMC-flasher-debian-7.5-2014-05-14-2gb.img.xz > > > NOTE: > > it will 'boot' to a desktop and start flashing the eMMC, just wait for > it to shutdown. (i think the desktop says "this is a temp session", or > something.) it's flashing setup was totally un-reliable in the end > and we moved to a different method a few months later, which you see > documented. > > Regards, > > -- > Robert Nelson > https://rcn-ee.com/ >
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