linaro-media-create speedup

Arnd Bergmann arnd at arndb.de
Wed Oct 13 08:16:55 UTC 2010


On Wednesday 13 October 2010 09:53:17 Dave Martin wrote:
> Could be... although the Beagle ROM seems to be very sensitive to the
> precise layout.  We might find that the partition must start at sector
> 63 (but I'm not sure I understand the behaviour yet).

That would be a serious bug in the firmware, probably serious enough
that we could require updating.

> It's not the end of the world if the vfat partition is misaligned,
> since this isn't accessed much, and written only occasionally.  If we
> can have the rootfs partition aligned, that probably brings most of
> the benefit.

You can also manually align the FAT and the start of data to individual
sectors, which is how some SD cards do it when they use the 255/63
geometry.

	Arnd



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