the blocks 2M aligned you should be fine with most modern BIOSes.

I meant 2K aligned.

On Fri, Jun 28, 2013 at 7:50 PM, Terry Wendt <silicon.penguin67@gmail.com> wrote:

If its any help, when I select 9atom.nboot.iso within K3b to burn to
disc, it reports the filesize as 360.9 MB but the declared volume size
as 721.7 GB.

This is very interesting because it is exactly double

>> setvolsize(cd, cd->iso9660pvd, (vlong)cd->nextblock * Blocksize);

Yes, the volume size is set here, but I don't see any at least obvious error. Everything seems to

be counted rightly in 2K blocks. Are you pointing to an error? because I cannot see it...