Re: [Bug-xorriso] Test Proposal for [bug #46716] Protective MBR partition is not marked as bootable

[Andrei Borzenkov]

21.12.2015 23:22, Thomas Schmitt пишет:
> Hi,
> 
> i wrote:
>>> Ain't that a bug ?
> 
> Andrei Borzenkov wrote:
>> What exactly?
> 
> Partition type "msdos" with block size 2048.
> If GRUB2 accepts "msdos" on CDROM, then it should not make such
> a weird assumption.
> 

Nothing prohibits creating MSDOS partition table on device with
different sector size and we have no information what sector size was
used. GRUB does not any assumptions, it is simply using whatever block
size device reports.

> 
>>> I wonder how the machine came to "Windows".
> 
>> On Mac this is synonym for "legacy BIOS" or "CSM" boot.
> 
> The x86 code in the MBR together with the bootability flag ?

I do not know. On my Macs I get Windows only for CD-ROM, where it comes
from El Torito.