There are possibly two reasons why this didn't work, both of which are
very common mistakes.
1. Using the dd command to write to the usb drive partition instead
of the entire drive (/dev/sdb1 instead of /dev/sdb).
2. Not including the block size in the dd command parameters; try
"dd bs=1024 if=<image file> of=<usb dev>". Without the bs=1024
parameter, I have found that imaging works ~30% of the time,
with it, I'd say ~99% success (never failed for me, but I'm not
going to guarantee it 100%).
At least this has been my experience, and I have worked with multiple usb
drives from different vendors.
Tobin
On Fri, 2008-09-26 at 11:27 +0100, Ryan Gallagher wrote:
> I would also make sure you reformat the drive first. Often I cannot
> boot if I just use DD, If I reformat the drive first (using ext3 or
> Fat32) it works fine. You can reformat it using Gparted in Ubuntu.
>
> Talk to you soon,
> Ryan.
>
> Prajwal Mohan wrote:
> > HI Javi,
> > Try using 'bs=4096' with the dd command. I have seen USB key not
> > boot when dd is used without setting byte size.
> > Thanks,
> > Praj
> >
> >
> > Javier Gálvez Guerrero wrote:
> >> I'm using 'dd' in a Ubuntu 8.04 box.
> >>
> >> The blinking cursor appears with a SanDisk Cruzer Micro (4GB) USB key.
> >>
> >> I have just tried with a Kingston Datatraveler (2GB) and, instead of
> >> the blinking cursor, I got a "No bootable partition in table" message.
> >>
> >> Any additional steps to prepare the bootable USB key?
> >>
> >>
> >> Thank you for your help,
> >> Javi
> >>
> >>
> >> 2008/9/25 Ryan Gallagher <[EMAIL PROTECTED]
> >> <mailto:[EMAIL PROTECTED]>>
> >>
> >> How are you preparing the usb key? Are you just copying over or
> >> using DD from a linux box?
> >>
> >>
> >> Javier Gálvez Guerrero wrote:
> >>> Hi,
> >>>
> >>> I have downloaded both September 23rd and 25th images of Ubuntu
> >>> Mobile from here and
> >>> <http://cdimage.ubuntu.com/ubuntu-mid/intrepid/>, after following
> >>> the instructions here <http://people.ubuntu.com/%7Eogra/mobile/>,
> >>> I haven't been able to boot my Samsung Q1 (note it is not an
> >>> Ultra version). As I was said it should work both in Ultra an
> >>> non-Ultra versions of the UMPC, I thought I wouldn't have any
> >>> problem at all, but that's not the case.
> >>>
> >>> I've set the BIOS booting priorities properly and I've checked
> >>> the two images in 3 different devices (2 laptops and the UMPC)
> >>> and all terminals and images have the same problem: instead of
> >>> booting Ubuntu a blinking cursor appears in the top left corner
> >>> of the screen, no activity at all, neither in the USB nor in the
> >>> UMPC (I have waited for more than 15 minutes...).
> >>>
> >>> Should I have any special USB key to make it boot?
> >>>
> >>> Any help would be much appreciated as I'm quite interested in
> >>> developing and testing under this platform. If needed more info,
> >>> please, tell me.
> >>>
> >>>
> >>> Thank you all,
> >>> Javi
> >>>
> >>>
> >>
> >> -- Ryan Gallagher
> >> CEO
> >> ConnectMeAnywhere Limited
> >>
> >> Call me local ... Reach me worldwide!
> >> UK London: +44 (0)207 099 1077
> >> USA Palo Alto: +1 650.644.1303
> >>
> >> www.connectmeanywhere.com <http://www.connectmeanywhere.com>
> >> www.expatreach.com <http://www.expatreach.com>
> >>
> >>
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--
Tobin Davis
Let me put it this way: today is going to be a learning experience.
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