On Mon, Mar 19, 2018 at 4:55 PM, Troy Weber <[email protected]> wrote: > Hello! > > I have an application running on the Beaglebone Black. It runs from the eMMC > because we need to mount a blank SD card and occasionally store data or > video on the external SD card. Here are some details to jog ideas: > > using a Bealgebone black > connected to a powered hub and running 2 led strips and 1 camera > made a custom cape/shield that allows us to interface with > > an RGB button > a 16x2 char lcd > an optically isolated relay module > > the relay module runs a solenoid circuit (in which I'm currently debugging > the need for a flyback diode) > the SD card is mounted using /etc/fstab with the line /dev/mmcblk0p1 > /media/sd auto auto,nofail,user,dmask=022,fmask=111 0 0 > SD cards are inexpensive and found here: > https://www.amazon.com/gp/product/B00WUCNGVQ/ref=oh_aui_search_detailpage?ie=UTF8&psc=1 > > My application is writing files to the SD card only on certain occasions > during which the Beaglebone will not be hard-rebooted. However, it will be > hard-rebooted (and the application started by systemd on next boot) as a > means of shutting it down. > > The problem is that I've recently began to discover issues with the blank SD > card on next boot after a hard reboot. For a short time I can touch and > write vim files on the card just fine. Once I start up the node.js program, > part way through it complains about the SD card being read-only. From then > on I cannot touch or vim files anymore. So I reformat the card and copy the > configuration files back on. I've noticed that one of my configuration files > is chopped short. > > Here are some things I've tried and intend to try: > > have tried > > removing the power to the hub which seemed to be back-powering the BBB > (still fails on reboot) > stopping the program that writes files entirely (still fails on reboot) > > intend to try > > writing the configuration files elsewhere (on the eMMC for example) > better SD cards > > In the meantime, any ideas?
check the actual mount options, and if not enabled add "noatime".. Regards, -- Robert Nelson https://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]. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/CAOCHtYgGEc4vGUTBrbvAeWWv62ZFMzOJpKjietUuYWxDMDYR0Q%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
