u-boot report mmc size 0

Joe Pfeiffer joseph at pfeifferfamily.net
Tue Nov 13 19:22:15 CET 2007


Andy Powell writes:
>On Tuesday 13 November 2007 15:39, Joe Pfeiffer wrote:
>> Jean-Michel Bouffard writes:
>> >What I mean is that the SD card must be ext3 only in the case you want
>> >to boot from it. I guess that uboot doesn't recognize the FAT partition.
>> >But maybe ext2 could also boot? and as you said it would be preferable
>> >for the SD.
>>
>> ext2 vs. ext3 wouldn't affect booting -- it's the same format, ext3 is
>> simply a backward-compatible extension.
>
>Sorry this isn't the case. Having tried with an ext2 formatted card and 
>failing with a kernel  panic saying that it had tried ext3, cramfs . 
>Formatting the card ext3 works. It's simply that I forgot to build ext2 
>support into the kernel ie not as a module, which I've now done and will test 
>shortly.

Huh -- I'd thought ext3 depended on ext2.  Didn't realize it had its
own drivers in the kernel...  but fixing the kernel config seems like
a *really* good idea!




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