Hi Bobby, I requested a RMA and they replaced the BBB. I still do not know what happened.
Best regards, João Paulo 2014-06-30 12:14 GMT-03:00 <[email protected]>: > Hi João Paulo, > I seem to be having the same problem. I checked the voltage on the SDA and > SCL pins of U7 (the eprom) and they stay at 0V. This voltage on a health > BBB is at 3.3. > Did you request an RMA or did you find a work around. > I'd like to know what causes the problem. > This is the boot screen using internal emmc: http://pastebin.com/DkXzvhSK > Using a bootable sd with ubuntu and holding down the boot button: > http://pastebin.com/MEFtSQSe > > Any help in understanding why this happens would be great. > > > > Thanks in advance. > Bobby > > PS I am powering the BBB with a 2A power supply at 5V > > > Il giorno martedì 22 aprile 2014 00:55:33 UTC+2, João Paulo ha scritto: >> >> Robert, >> >> Do you recommend I request a RMA or do you think should be a work >> around to solve the issue? >> >> Regards, >> João Paulo >> >> 2014-04-18 23:24 GMT-03:00 João Paulo Bodanese <[email protected]>: >> > Robert, >> > >> > Now the Linux boot, but the error messages persist: >> > >> > http://pastebin.com/x71Ufu1Z >> > >> > Regards, >> > João Paulo >> > >> > 2014-04-18 17:09 GMT-03:00 William Hermans <[email protected]>: >> >> Yeah, I noticed your most recent post to the OP. Could not believe >> that I >> >> missed "undefined"( making me feel pretty silly ), although I suppose >> the >> >> file could be undefined in both cases ? *shrug* >> >> >> >> >> >> On Fri, Apr 18, 2014 at 12:57 PM, Robert Nelson <[email protected]> >> >> wrote: >> >>> >> >>> On Fri, Apr 18, 2014 at 2:52 PM, William Hermans <[email protected]> >> >>> wrote: >> >>> > This almost seems like the EEPROM error that happens once in a >> while. >> >>> > Why >> >>> > and how I dont know but I remember . . . >> >>> > >> >>> > >> >>> > Could not probe the EEPROM; something fundamentally wrong on the >> I2C >> >>> > bus. >> >>> > >> >>> > So then this happens . .. >> >>> > >> >>> > reading /dtbs/undefined >> >>> > ** Unable to read file /dtbs/undefined ** >> >>> > Kernel image @ 0x82000000 [ 0x000000 - 0x38ba80 ] >> >>> > ERROR: Did not find a cmdline Flattened Device Tree >> >>> > Could not find a valid device tree >> >>> > >> >>> > In essence uboot does not know which device tree file to load for >> the >> >>> > board, >> >>> > so not everything is configured properly. >> >>> > >> >>> > Robert, didnt you used to have an EEPROM flasher script to fix this >> >>> > situation ? Or is this not appropriate any longer ? >> >>> >> >>> Oh I do... Just haven't actually blanked out an EEPROM to test it >> yet. >> >>> ;) Looks like i missed one check.. >> >>> >> >>> 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 [email protected]. >> >>> >> >>> For more options, visit https://groups.google.com/d/optout. >> >> >> >> >> >> -- >> >> For more options, visit http://beagleboard.org/discuss >> >> --- >> >> You received this message because you are subscribed to a topic in the >> >> Google Groups "BeagleBoard" group. >> >> To unsubscribe from this topic, visit >> >> https://groups.google.com/d/topic/beagleboard/yLAbudOgAIU/unsubscribe. >> >> >> To unsubscribe from this group and all its topics, send an email to >> >> [email protected]. >> >> For more options, visit https://groups.google.com/d/optout. >> > -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to a topic in the > Google Groups "BeagleBoard" group. > To unsubscribe from this topic, visit > https://groups.google.com/d/topic/beagleboard/yLAbudOgAIU/unsubscribe. > To unsubscribe from this group and all its topics, send an email to > [email protected]. > For more options, visit https://groups.google.com/d/optout. > -- 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]. For more options, visit https://groups.google.com/d/optout.
