Re: [Bug-xorriso] PMBR sizing with appended_part_as=gpt

[Thomas Schmitt]

Hi,

Paul Robins wrote:
> Whereas before the PMBR contained the appended
> partition and thereby covered the entirety of the space the GPT did, now the
> PMBR doesn't contain the appended partition, and the protective partition
> entry is not extended to the end of the ISO.

Indeed i can reproduce this by using a mounted grub-mkrescue ISO as
source of data. (The code has too much history and special cases piled up,
i fear.)


> https://dev.lovelyhq.com/libburnia/libisofs/blob/master/libisofs/system_area.c#L2054-2064
> [...] should fire, but due to a code path
> called earlier, mbr_req is not actually empty, but already includes a
> prototype PMBR that is set to the length of the ISO data, not including the
> appended partition.

I am now investigating. This may last a while.


Have a nice day :)

Thomas