lkml.org 
[lkml]   [2007]   [Jun]   [29]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: Fwd: Mounting MMC card
Date
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



--

------- ROAD ...the handyPC Company - - - ) ) )

Uli Luckas
Software Development

ROAD GmbH
Bennigsenstr. 14 | 12159 Berlin | Germany
fon: +49 (30) 230069 - 64 | fax: +49 (30) 230069 - 69
url: www.road.de

Amtsgericht Charlottenburg: HRB 96688 B
Managing directors: Hans-Peter Constien, Hubertus von Streit
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2007-06-29 11:45    [W:0.058 / U:1.808 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site