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So basically, i have two Gumstix Overo and both are booting from their NAND flash memory, both devices use full linux image's Kernel. They are supposed to boot the same thing but one of them says that it can't find a file and doesn't complete the boot. So i was wondering if i can copy the files from the nand memory of the one that is working to an empty sd card and then put the sd card on the other gumstix overo and boot from the sd card. I hope i could make myself understandable, i'm just beginning to handle a gumstix overo.

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  • the question is less whether you can copy (yes), but whether you can boot a gumstix overo from SD card (don't know, might not be the case). Feb 9, 2022 at 10:55
  • @MarcusMüller i think i can boot from SD card because if i erase the NAND memory and then reset, when i boot again i think he is going to boot from the sd card automtically, if the files are there Feb 9, 2022 at 11:04
  • Maybe one of these helps: gumstix.com/community/support/faq/write-images-flash or gumstix.com/community/support/getting-started/get-image (Found with a quick search for "GUmstix Overo flashing")
    – Bodo
    Feb 9, 2022 at 11:04
  • @Bodo thanks, but i don't think so, because the image that i want is in the nand memory already, i don't have it anywhere else Feb 9, 2022 at 11:06
  • @JoãoSousa I don't know if this image is available somewhere for download. (Maybe you can ask the manufacturer.) Even if you cannot use the linked instructions directly, they show at least some hints how writing (and reading) the flash memory might work. The first one mentions "Linux mtd utilities". Maybe you should read about this. Please show the exact error message in your question.
    – Bodo
    Feb 9, 2022 at 13:25

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https://www.gumstix.com/community/support/faq/write-images-flash/ points out that the NAND memory is visible as /dev/mtd; you should be able to interact with that as with any other block device. It also details how to write an image using uboot, so that you don't need to be able to boot linux to fix this.

So, you could save that NAND memory to an SD card, and tell uboot on the other overo to write it to mtd, done.

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