Hey Dennis. It looks like I'm going to have to understand exactly how the old SD card is put together to replicated the functionality.
Thanks for the support! On Tuesday, 25 August 2020 at 02:14:41 UTC+1 set_ wrote: > Hello, > > I know that took some time out to type up and make known to everyone > (including myself). First off, thank you. > > ... > > Secondly, yea boy! I always wondered what was going on while I was > updating/upgrading/writing new images to BBB. > > I remember having trouble w/ newer machines b/c they were flashed "who > knows when" and all while S2/Boot buttons were pressed, > adding support for SD Cards, and saving particular info. as back up gave > me the willies. Anyway, nice support. I thought I would add > some encouragement to not stop at this point. > > Seth > > P.S. But like with what Mr. Dennis was saying, all this can be trying on > newer kernels/images w/out supportive ideas for older kernels/images. Wheezy > is when I jumped in to this hoopla. I knew exactly nothing about anything. > Now, w/ time and effort (and reading some ideas), I have grown accustomed > to be catered w/ already "born" images. BBB! > On Monday, August 24, 2020 at 1:24:47 PM UTC-5 Dennis Bieber wrote: > >> On Mon, 24 Aug 2020 01:36:03 -0700 (PDT), in >> gmane.comp.hardware.beagleboard.user >> [email protected] wrote: >> >> >Hi, >> > >> >I have a Beaglebone Black running kernel 3.8 (I think - I don't have >> access >> >to the BBB at the moment, so this is from memory). >> >I am using this with a cape to drive a custom display. >> > >> >I am pretty sure it's booting from SD card, which has multiple >> partitions >> >(one labelled rootfs and not visible to windows, and one that windows >> can >> >> 3.8 AND a dual partition... That is positively ANCIENT. Probably Debian >> Wheezy, though maybe Debian Jessie in early releases. Wheezy was Debian >> v7, >> Jessie v8, Stretch v9, and Buster (current release) is Debian v10. >> >> Wheezy has been out of support for years, Jessie support ended this >> summer, and even Stretch is fading away. https://wiki.debian.org/LTS >> >> There have been many changes since Wheezy. Among them -- dropping the >> FAT partition (a virtual READ-ONLY FAT) is created once the system boots >> -- >> primarily so one can read the getting-started information); Change from >> kernel loading device tree overlays to u-boot loading device tree >> overlays; >> u-boot automatically detecting an SD card for booting if it is present, >> instead of having to hold down the boot-select button. >> >> So... First confirm what device is used for booting (if you have to >> hold down the boot-select to boot, it is quite likely the SD card). If it >> is booting from eMMC, this gets more difficult -- you will need to save >> any >> customizations for the display onto other media, as updates will >> basically >> wipe out the eMMC. If it IS the SD card, I would recommend you seal that >> card in a plastic holder so you don't damage it. THEN: >> >> Obtain a more up-to-date OS image http://beagleboard.org/latest-images >> Note: if your display makes use of Xwindow features -- IE, a GUI >> desktop, you'll need to find an LXQT image >> https://elinux.org/Beagleboard:Latest-images-testing#Latest_Images_Testing >> >> Write it to a NEW 8+ GB (Balena Etcher is current preferred tool for >> this). >> >> Insert it into the Beagle. Given the age of your system, you will >> likely have to use the boot-select when booting it. Make sure you have a >> network connection. SSH into the Beagle. >> >> Run sudo /opt/scripts/tools/grow-partition.sh (check the >> spelling, I'm writing from memory since I did this for something like 8 >> SD >> cards a few days ago). Reboot (again, you will likely need to hold down >> the >> boot-select). This step makes the full SD card available, especially >> useful >> if using an LXQT image (they've gotten to where there isn't any really >> user >> space left in 4GB). >> >> Run sudo apt update >> Run sudo apt upgrade (to make sure the card image is >> up-to-date). >> >> I suggest, at this point, after you've configured the OS (set up any >> customizations in .bashrc .bash-aliases, etc. and run >> sudo apt install ... for any packages you /know/ are needed) you now >> edit the /boot/uEnv.txt and uncomment the last line. This turns >> the card into a flasher. >> >> Make sure the Beagle is connected to a wall-wart power supply via >> barrel connector -- USB connections may not provide enough power for >> reliable flashing. Reboot (holding boot-select if needed). It should boot >> and go into eMMC flashing mode (LEDs sweeping left/right). Let it run >> until >> it shuts down by itself. >> >> REMOVE the SD card (if you leave it in, it will just reflash the >> Beagle). >> >> Boot the Beagle -- this will be running from eMMC. You can now insert >> the SD card, and mount it (or if you have some other Linux system, mount >> it >> there). Go back into /boot/uEnv.txt and recomment the last line. This >> disables the flasher mode, and makes the SD card a normal boot image. And >> since you've flashed the eMMC, it should now have the updated u-boot >> which >> will automatically use the SD card for booting if it is installed. >> >> Now -- getting your existing application to work on the new card (or >> eMMC) is something I can't help you with. If it used a custom device tree >> overlay, you'll have to edit /boot/uEnv.txt to add the overlay to one of >> the overlay slots (uncomment slot, change file path). If it requires >> special drivers, you may have to see if a driver is available via apt >> install... (You see why I said save the original SD card). >> >> NOTE: while the new u-boot will automatically attempt booting from an >> SD card -- the change between kernel device tree loading to u-boot device >> tree loading means your old card may be a problem. u-boot will try to >> load >> device trees from your card, and then when the kernel starts it will try >> to >> load the same device trees -- you likely will need the boot-select button >> to force usage of the old SD card u-boot. >> >> >> -- >> Dennis L Bieber >> >> -- 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]. 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