On Tue, Nov 13, 2012 at 5:28 PM, Sascha Cunz <sascha-ml@babbelbox.org> wrote:

> I'm sure you will get lots of ideas on this one tho. There can be a lot
> of causes.

RAM failure could be another one, which "could randomly vanish for a while
when using another memory layout" (like in using another operating system).

So, I'd suggest to boot up a memory tester and let it run over night.

Sascha