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Re: rwd0a and label sector marked read-only

On Sun, Dec 14, 2008 at 11:22:12PM +0100, Jean-Yves Migeon wrote:
> Everything went fine, except for the "a" label, due to the sector that 
> contains the labels' description. By default, it is marked as read-only, 
> hence returning EROFS when using dd directly:

FWIW (and from memory) for i386/amd64 the sector you aren't allowed to
overwrite is sector 1 of the 'c' partition.
This is the only place where the 'c' partition is used in the kernel,
and there is a test that stops the user opening it!
(One might well ask why it exists at all...)


David Laight:

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