iB::Topic::usb boot without bios supportwh

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Topic: usb boot without bios supportwh

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Borghart

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Posts: 4
Joined: April 2006

Posted: May 05 2006,09:09

Hi,
i want to boot from usb-stick, but my bios does not support it.

i did a dsl-hdinstall to the usb-stick, and then wanted that system the way it is described here:
http://www.knoppix.net/wiki/Pivot_Root_Install

however switching to runlevel 5 fails:
syslogd: could not connect to socket /dev/log: address is already in use

this is so close to the target line ...

~thc

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Posts: 42
Joined: Dec. 2005

Posted: May 05 2006,18:38

is your new root accidently mounted read-only?

roberts

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Posts: 4983
Joined: Oct. 2003

Posted: May 05 2006,18:57

Doing a dsl-hdinstall to a usb stick will wear it out rather quickly.
Doing a frugal type install will not.
The standard DSL boot floppy supports the option fromusb for those machines that cannot boot from usb from BIOS.
This will load the usb modules and scan for the pendrive.
Or you can also boot to usb stick by using the cdrom with the option fromhd=sda1

Borghart

Group: Members
Posts: 4
Joined: April 2006

Posted: May 06 2006,09:02

@~thc: following these steps:
http://www.knoppix.net/wiki/Pivot_Root_Install
new root is writeable right after mounting, but after some step (don't remember exactely, i guess pivot_root) it is not writeable any longer.

@ roberts i will give the dsl boot floppies a try - i overlooked they exist

Borghart

Group: Members
Posts: 4
Joined: April 2006

Posted: May 06 2006,10:27

@ roberts:

booting from cdrom with fromhd=sdb1 and booting with bootfloppy-usb.img both fail.

the fromhd=sdb1 fails with: "cant find knoppix filesystem"

the bootfloppy fails with: "no file /knoppix/etc/ld.so.cache" ..... kernel panic

both times the usb-sticks led does not light up, so i guess the necessary drivers are not loaded, so there is no chance to read data from the usb stick. perhaps this happens because the usb controlles is on a pcmcia card.

when booting to runlevel 1 (boot option dsl 1) the led lights up, and the stick is mountable.

5 replies since May 05 2006,09:09

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