Am 03.03.2026 um 23:47 schrieb Ralph Ronnquist via Dng:
> On Tue, Mar 03, 2026 at 01:13:39PM +0100, Stevan Tiefert wrote:
>> Am 03.03.2026 um 12:18 schrieb Antony Stone:
>>> ...
>>>
>> Hello Antony,
>>
>> output as follows:
>>
>> /dev/sr0: BLOCK_SIZE="2048" UUID="2025-12-25-18-19-01-00" LABEL="DEVUAN610"
>> TYPE="iso9660" PTUUID="33cf3ee5" PPTYPE="dos"
> Hmm that looks like it *should* be recognised by the boot preamble.
>
> Clearly the boot loading does start the preamble kernel and uses the
> preamble initrd. (That's how you get the error messages)
>
> One option might be to copy the ISO onto some other drive in the
> system, so that the media mounting would find and use that. Possibly
> you could boot from that other drive, or you could boot the preamble
> this way that works, and then let it find the other installer media
> for the second stage.
>
> Another option is the use the "emergency modes" of the preamble, and
> help the kernel find the DVD media through some hands-on in the
> "emergency shell". There are 2 variants on that; use TAB on the
> initial boot splash and add "EMERG" or "emerg" to the boot command
> line.
>
> The uppercase mode is a very early busybox shell in the preamble, and
> the lowercase mode is late in the preamble init. You'll need to have
> your hacker pants on to use the emergency modes, because you'll need
> to manually mount the media, manually unpack the installer initrd, and
> manually exec-switch to it. Basically, you would peep at the preamble
> /init script to figure out what needs to be done, though also deal
> with finding and mount the media in a better way than that scripting.
>
> Clearly, to present an additional/alternative media would be an easier
> solution than exploring the emergency modes. But, in any case I would
> suggest that you DVD creation is fine.
>
> hth Ralph.
>
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Thank you Ralph,

I guess I mark this somehow SOLVED at least EXPLAINED :-)