hello again, william,

and thank you again for answering me back so promptly.

i all ready do have a serial debug cable, it came as part of a "kit" for 
the beaglebone black rev. c from element14/eleduino 
(http://www.amazon.com/gp/product/B00P48PQTS/). it is the kind that is like 
the adafruit serial debug cable 
(http://elinux.org/Beagleboard:BeagleBone_Black_Serial#Adafruit_4_Pin_Cable_.28PL2303.29),
 
the black wire going to the debug J1 jumper, the green going to pin 4 for 
recieve and the white going to pin 5 for transmit.

i have all ready used it today to re-set the ssh server on the beaglebone 
and reboot it for changes to take effect using this app for Chromebooks, 
Beagle Term 
(https://chrome.google.com/webstore/detail/beagle-term/gkdofhllgfohlddimiiildbgoggdpoea)
 
—  and it worked great (unless i did something like have it print screen of 
loooooong error logs, then it crashed my entire Chromebook waiting on it to 
get log messages all the way back from when the beaglebone black board and 
kernel were created/initialized).

i got most of this info from the kind people in live chat/irc freenode 
#beagle channel.

so, given i have the serial debug cable, any way you could please step me 
through what to do here? or do i still need to go out and get a microSD 
card to do the flash, etc.?

please let me know. and i do appreciate all the help.

best,

—  faddah
     portland, oregon, u.s.a.



On Monday, March 23, 2015 at 8:16:17 PM UTC-7, William Hermans wrote:
>
> 1) get a blank sdcard.
> 2) write a bootable 'stock' command line only image to it.
> 3) edit the sdcard images files to either . . .
>    a) load g_serial
>    b) load g_ether and edit /etc/network/interfaces to reflect that both 
> the BBB and the host PC are on the same network. Be aware of the piece of 
> work, know as "connman"
>    c) Just get an ethernet patch cable, and connect directly to the BBB 
> from the host PC. Again, edit /etc/network/interfaces to give *both* a 
> static IP and make sure both are on the same network.
>    d) buy a serial debug cable, and connect via your favorite serial 
> communications app. No idea what is available on Chromium.miniconn probably 
> . . . 
>
> Anyhow, once you're in, it should not be too much of a problem to identify 
> the eMMC, and troubleshoot whats going on. Ideally, a serial debug cable 
> would be best, as you get to see whats happening at boot time. However, a 
> decent one can cost around $20, and if you poke around and find one on ebay 
> for ~$2, you're likely going to be waiting for that slow boat to arrive 
> from China . . .
>

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