On Friday, 29. June 2007, Midhun Agnihotram wrote:
> Hi All,
>
> > Let's try something a lot less complex than mounting. Try running:
> > dd if=/dev/mmcblk0 of=/dev/null count=100
>
> Here goes the output(error).
>
> / # dd if=/dev/mmcblk0 of=/dev/null count=100
> dd: can't open '/dev/mmcblk0': No such device or address
>
> The /dev is has the following:
>
> / # ls -l /dev | grep mmc
> brwxrwxrwx 1 0 0 254, 0 Jun 26 2007 mmcblk0
> brwxrwxrwx 1 0 0 254, 1 Jun 26 2007 mmcblk0p0
> brwxrwxrwx 1 0 0 254, 2 Jun 26 2007 mmcblk0p1
> brwxrwxrwx 1 0 0 254, 3 Jun 26 2007 mmcblk0p2
> brwxrwxrwx 1 0 0 254, 4 Jun 26 2007 mmcblk0p3
>
If I remember correctly, mmc devices did not have fixed majors/minors
allocated until recently. Either get a recent kernel or use some kind of
hotplug (udev) scripts to create your device nodes with dynamically allocated
major/minors.
Regards
Uli
--
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Uli Luckas
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