Am 02.03.2026 um 22:53 schrieb Ralph Ronnquist via Dng:
> On Mon, Mar 02, 2026 at 11:12:46AM +0000, Stevan Tiefert wrote:
>> Hello,
>>
>> If I download any of the 6.1.0 ISOs (doesn't matter if dvd, netinstall or server) and burned on a DVD and try to install devuan I got on machines with and without UEFI, errors like
>>
>> LABEL=DEVUAN610: Can't lookup blockdev
>> LABEL=Ventoy: Can't lookup blockdev
>> failed to mount the cdrom
>> Starting emergency shell
>>
>> and then I got BusyBox.
>>
>> I thought that Ventoy had something to do with USB-Sticks and not with ISOs, isn't it?
> When you write "burned on a DVD" I'm guessing you mean something else
> than simply copying the ISO onto the initial blocks of the DVD, and
> that that resulted in something else than a true copy of the ISO
> bytes.
>
> I think that is the reson for your troubles; basically your "burned
> DVD" is almost right, but the burning didn't preserve the media label,
> so the early stage boot up of the installer fails to find a partition
> that is duly lablled "DEVUAN610" (as it should be).
>
> The bootup then tries for a second setup, to find a parition labelled
> "Ventoy" which if found, would be expected to be an extfat filesystem
> holding a copy of the ISO file itself (not a partition). That's an
> alternative install story where you see a trace of that attempt even
> though that story is not relevant in your case.
>
> So in short, you'll need to copy the ISO onto a DVD media, or onto a
> USB disk media, or onto an SDCARD media, or onto a harddisk media,
> such that the media holds an exact, byte-by-byte copy of the ISO file
> on its blocks 0 and up. The sticking point is that the iso9660
> filesystem gets presented as a partition that is labelled "DEVUAN610".
>
> Ralph.
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Hello Ralph,

I've done this on a commandline:

cdrskin -v dev=/dev/sr0 devuan_excalibur_6.1.0_amd64_netinstall.iso

Did I miss an option?