boot: cannot find image


Forum: USB booting
Topic: boot: cannot find image
started by: lolo1976

Posted by lolo1976 on Aug. 01 2006,11:02
Hello

I install DSL on my usb pen.
When I launch the boot, it freezes at:

Looking for Cdrom in:

It tried /dev/scd0, scd1 ...
then it tried /dev/sda1,2,3 ...

but it cannot find the Knoppix image.

My usb pen is detected as /dev/sda (no number after sda)
Is it possible the problem is here? How can I solve it?
Thanks for your help

Bye

Posted by humpty on Aug. 01 2006,22:26
when you did the installation did it just say sda?
that is very unusual.
how big is your pendrive ?

Posted by lolo1976 on Aug. 02 2006,14:35
Thanks for your help

I (re)format my key with qtparted : now it's detected as sda1.
When the boot starts, it stays frozen for several minutes on

Looking for CDROM in: /dev/sda1

and nothing.....

Any ideas???

Bye

Posted by lolo1976 on Aug. 02 2006,15:58
After several minutes, it says to me it couldn't find the boot image, (I think it's the file KNOPPIX/KNOPPIX but it's on my key)
and open a very very very restrictive shell with only four commands:
mount, cat ....

I don't understand....

Posted by Iang on Aug. 04 2006,08:23
Is this a USB-ZIP vs. USB-HDD install problem?

Does your PC support USB-HDD booting, and did you do a USB-HDD install?

Or, as some PCs don't support USB-HDD, can you boot from USB-ZIP? Obviously then you need to do a USB-ZIP install.

The install script AFAIK formats & partitions the USB stick as required, so you shouldn't need to worry about it.

Just a thought, sorry if it's on the wrong track.

Posted by lolo1976 on Aug. 14 2006,18:19
ok , Finally, I found the solution.

The problem was the fact that my key was detected as /dev/sda. (and not /dev/sda1)

I've done in root:
# cfdisk /dev/sda
I create a full primary partition on it in FAT 16 (code 06 in my cfdisk)
I wrote and quit

I download syslinux 2.13
then I wrote:

# dd if=mbr.bin of=/dev/sda
(for a nice mbr on the usb stick) and:

# ./syslinux /dev/sda1

and it works fine!
thanks for your help.

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