Hey, I think I'm undergoing the symptom like what you'd have experienced... What can I do for recovery of BBB?? What does it mean that; [I guess I expected the PWR led to be lit any time 5V was feeding the board, regardless of it's On/Off state.] I was designing the program that can controls GPIO through SSH terminal, when it's power was downed. I wondered around the internet, and found this.
What can I do for this exactly????? 2013년 4월 30일 화요일 오후 9시 19분 57초 UTC+9, Jason Stapels 님의 말: > Hi all, > > Just wanted to share my experience with my dead BBB. It's my first > experience with the Beagle line so it's possible I did something wrong > somewhere so I thought it would be a good idea to share my experiences in > case other newb's read this. Feel free to skip to the bottom for the > symptoms. > > -- Begin Background Info -- > > I was lucky enough to get my BBB almost right away from Digikey. I > immediately installed the drivers on my Mac and started playing around with > it the first night. Unfortunately, the second night I couldn't get my Mac > to allocate an IP address through the USB to talk to it so I thought maybe > I shouldn't have skipped that "update software" step. So next I downloaded > the latest "flash eMMC" image, wrote it to an SD card and then went through > the upgrade process. > > Here's where things went a little South. After the first attempt the USR > lights eventually went solid (presumably indicating the flashing process > was finished) but when I rebooted it without the SD card, the power light > would come on but it wouldn't boot. After a couple repower attempts I > decided to flash it again. This time, at some point during the flash > process, the board seemed to just lose power (all the LEDs were off). > Attempts to power the board resulted in the same as before, power light > comes on but no booting. > > So, my assumption was I messed up the SD card image. I downloaded/reimaged > the SD card again, went through the flash process and this time it seemed > to finish. Now when I powered on the board it appeared to boot up. However, > I still couldn't get it to pick up an IP address from the Mac (after > reinstalling both drivers and a couple reboots). I read somewhere that > someone had a similar issue and an update to Angstrom solved it. > > This time I plugged the board into my linux box and I was able to access > the running linux image (yay!). I immediately SSH'd in, and went through > the Angstrom upgrade (opkg update; opkg upgrade). The upgrade took awhile > and seemed to have a few issues with the new kernel modules > (/lib/modules/blah didn't exist). I figured it was just a warning and after > the upgrade finished I unplugged the board and plugged it back into my > Mac... > > -- End Background Info -- > > The power light came on... the USR lights all went solid for a couple > seconds... and then the board died. I can no longer seem to power the board > up at all. I've tried multiple USB cables, multiple USB ports on multiple > machines, and even tried the DC jack with a 5v/2.2A supply. :( I submitted > an RMA (although my board doesn't seem to have a serial number) because I > don't think I did anything wrong, but I'm a very sad panda regardless. > > Any ideas? Anything I should check? > > ~ Jason > -- 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 beagleboard+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
