On Tue, Jan 28, 2014 at 9:00 AM, deepak karki <deepa...@gmail.com> wrote: > I'm posting after reading similar topics on this Google group, none of the > solutions worked. [also my problem is a bit different than the ones before, > I have been struggling for about a month to get my BBB working!] > > Here is the sequence of problems-failed solutions I have been through with > my board : > 1. About a month back I bought a BBB from a local retailer. Worked perfectly > for first two days, I was able to ssh, install pyBBIO etc. > 2. The next time I booted (tried to) my board, it failed. Only power button > was on, other LED's didn't even start blinking. I plugged out the power, > tried 5 minutes later, it worked! ssh-ed again and shut it down (sudo > shutdown 0) > 3. Next time while booting, I had the same problems, removing powering and > starting again did not help. > 4. I downloaded Arch Linux on a microSD card, put it into the BBB powered > the board holding the boot button, within half a minute I was able to SSH > again! Arch worked. > 5. I wasn't that happy with the Arch distribution, even though it worked. So > I got an Ubuntu image on my microSD. Tried booting the Black the same way > holding the boot button, but all that happened was all 4 LED's were on for > ~15 minutes [ I still don't know why this happens! ] Then the led's started > to blink, I was able to SSH. Sadly this happens every time I boot with > Ubuntu (via microSD). > 6. Later I thought I would re-flash Angstrom, and got the emmc-flasher image > on my microSD. Booted the board with the boot button pressed. According to > the manual the lights should have started flashing, and once the image is > written all 4 LED's should turn on > [http://derekmolloy.ie/write-a-new-image-to-the-beaglebone-black/ ]. But for > me all the 4 LED's were switched on from the power on stage, for ~5 min, > later they started to blink, but after 10 min or so, all 4 LED's abruptly > went off. (In the instructions it says that all 4 LED's will go on when > writing is complete) > 7. But anyway hoping that writing to the eMMC was complete, I booted the > board normally. USR0 switches on first followed by USR1, USR2. Then it > freezes here. I'm STUCK!!
You could grab a usb-serial adapter and find out.. > What should I do now? > also a couple more questions : > - What does holding down the boot button do if the img in the SD card in not > a emmc-flasher? Does it just boot from the SD card or does it also get > written to emmc? Holding the button guarntees it'll try to load MLO/u-boot.img from the SD card first. > - Is there some setting by which I can boot via the SD card without having > to press the boot button every time and also not having to burn the image on > the emmc? A proper uEnv.txt in your sd card will guarntee it.. Otherwise just "dd if=/dev/zero of=/dev/mmcblk1" bootloader gone from eMMC... Regards, -- Robert Nelson http://www.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 beagleboard+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
