Re: [Gumstix-users] saving flash

[Tim R. <gu...@ec...>]

I have a question which I think is the same as this, I am trying to 
restore the bin image of the factory gumstix build from sourceforge... 
its a single .bin file. I presume this includes at least the file system 
and the kernel, probably uboot as well... but I am wary to flash the 
entire gumstix without knowing this for sure. Does anyone know 
definitively how to restore this .bin image of the factory software 
install for the gumstix?
> All,
>
> I'm curious about the procedure to save the flash that has been loaded 
> to the gumstix.
>
> Here's a link to the wiki where the process is described:
>
> http://docwiki.gumstix.org/Replacing_the_filesystem_image#Copying_the_flash_image
>
> The contents of that section are here:
>
> ----------------------------------------------
> Copying the flash image
>
> You can make a copy of the flash
> u-boot
> dd if=/dev/mtdblock0 of=/tmp/saved-mtd0
> root
> mount -o remount,ro /
> dd if=/dev/mtdblock1 of=/tmp/saved-mtd1
> then move this copy off the gumstix using scp or copy it to a mounted 
> mmc or cf card
> -----------------------------------------------
>
> Since the "modern" build root process produces three files - rootfs, 
> uboot and Image - do these instuctions require modification? For 
> example, I assume I would now do:
>
> dd if=/dev/mtdblock2 of=/tmp/saved-mtd2
>
> but I'm not sure which is kernel and which is rootfs. Also, are the 
> saved files suitable for restoring to a gumstix board in this format by 
> the process described in the replacing the file system described here 
> http://docwiki.gumstix.org/Replacing_the_filesystem_image?
>
> Thanks,
>
> Chris
>
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