recent kernel upgrades damage mbr

[Maurizio Marini]

On Wednesday 18 June 2008, Gene Heskett wrote:

> While we're on the subject of mbr's, how big is it?  The first 512 bytes of
> the one I just saved is virtually empty.  So I overwrote it with a 4kb
> version, b but that is bearing some resemblance to a list of inodes.
AFAIK, it is still 512, by Roman's time, Caesar decided it...
i never have read anything about something different by 512 bytes. If your 512 
bytes are all 00x0 using hexdump, something goes wrong,
Which is the exact command do u issued?
	-m