[Pkg-libburnia-devel] Large size penalty from -isohybrid-mbr and -partition_offset 16?

Colin Watson cjwatson at ubuntu.com
Wed Jun 15 14:59:11 UTC 2011

On Wed, Jun 15, 2011 at 04:34:18PM +0200, Thomas Schmitt wrote:
> there is really a bug with the padding and the cylinder size alignment.
> It must be a regression after fixing another regression.
> xorriso-1.0.4 aligns properly. But that seems to be due to a bug
> that prevented padding at all, and was fixed in 1.0.6.
> For proper cylinder alignment one currently has to use option -no-pad.

OK, thanks.  I tried -no-pad and it has only negligible effect on size,
though; 693415936 -> 693108736 bytes.

> In this case one should urge users to avoid CD write mode TAO or
> to use padsize=300k with their cdrecord compatible burn program.
> (It is only CD TAO that needs padding due to the Linux Read-Ahead Bug.
>  BD, DVD or CD SAO are not prone to this.)

Would you recommend -no-pad in general?  I'd rather not have to give out
specialised burning instructions.


Colin Watson                                       [cjwatson at ubuntu.com]

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