On Monday, 19 March 2018 23:55:04 UTC+2, Troy Weber 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? >
What's the file system on the SD card? FAT? ext4? -- Tarmo -- 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/ea6a9f55-220d-40c0-8781-5dfffee87178%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
