On Mon, Mar 07, 2011, Shawn Guo wrote:
> proc umounted
> /dev/sdb: No medium found
>
> sfdisk: cannot open /dev/sdb read-write
Hmm that's really bad; the only thing that I can think of is that your
device goes away for some time after the empty partition table is
created, and so the sfdisk call comes too soon; could you try this on
your MMC:
parted -s /dev/sdN mklabel msdos && sfdisk -L /dev/sdN
if sfdisk fails when called immediately after parted, it probably means
we have to poll for readyness of /dev/sdN before calling sfdisk.
Thanks!
--
Loïc Minier
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