Hi, Thanks Don for replying.
I do not know how are those partitions created, mmcblk0boot0 and mmcblk0boot1 . Only, two partitions are created as far as i know, boot and rootfs. Which script from Robert Nelson are you referring to ? Thanks and regards, Nitesh Singh On Fri, Jan 10, 2014 at 1:44 PM, Don deJuan <[email protected]> wrote: > On 01/09/2014 11:14 PM, nitesh singh wrote: > > Hi, > > > > I am using a customised Beaglebone Black, whose schematics is very close > to > > Original Beaglebone Black. You can say we cloned the Beaglebone black > > hardware and assembled the board. > > > > Now I used Robert C Nelson's Debian wheezy emmc flasher image sd card to > > boot it for first time , and wrote the emmc. Then I dumped binary data > > copied from EEPROM of one of the original beaglebone black's eeprom to > the > > eeprom on this. > > > > So, now the issue that i am facing is that, this board will not boot up > > again from emmc or another sd card that i use, other than the flasher sd > > card. > > Then accidently or by chance, i tried to look at its UART0 port from UART > > port on the other beaglebone black and it booted up as usual. > > > > After that i observed that this customised beaglebone black is booting > only > > when the UART0 is accessed on another Beaglebone black or just simply > > connected to its UART. > > > > What can be the problem here ? The emmc flashed on another original > > beaglebone black is working fine, just this customised board will not > boot > > in the usual manner. > > > > I was reading through the minicom output at UART0 for this custom board, > it > > gave some read errors, and also said that mmcblk0boot0 and mmcblk0boot1 > > does not valid partition table. > I would start here and properly partition. The rest should come after > that part. Take a look at robert nelsons scripts for guidence if you do > not know what to do. > > > What are these partitions and is it possible to write or create any > > partitions on them ? I have seen that they are there on other beaglebone > > blacks and mmcblk0 changes to mmcblk1 if booted from sd card, I could not > > understand its function. Is this creating any problem with the bootup ? I > > suspect the eeprom data also might be causing this error. > > > > I have attached the minicom output file for the custom board's UART0 port > > while it was booting. > > > > One more thing, it seems, connecting only DGND and UART0_RX to another > > board is sufficient to make it boot. So it is reading some data over > Uart0, > > is it to do with eeprom ? > > > > Please help. > > > > Thanks and regards, > > Nitesh > > > > -- > 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/1rbO7JGhppw/unsubscribe. > To unsubscribe from this group and all its topics, send an email to > [email protected]. > For more options, visit https://groups.google.com/groups/opt_out. > -- 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/groups/opt_out.
