On Sat, 10 Mar 2007, Sergio Monteiro Basto wrote:
>
> With this quirk I got this oops on hibernate (but computer still
> working)
Well, strictly speaking it's a warning, not an oops per se.
What happens is that the quirk wants to do an "ioremap_nocache()", which
allocates memory, and that happens very early during initialization when
interrupts are disabled.
And you're really not supposed to allocate memory, except using
GFP_ATOMIC. But we've always been lax about that during early boot, so we
have stuff that does. And resume ends up doing a lot of the same things
early boot does, and shows issues like this.
So the quirk is probably still a good idea, and the warning message is
just that - a very scary warning message, but not an indicator that
anything is seriously screwed up for you.
(It is an indication of a real bug, though, even though it's harmless in
practice in this case)
Linus
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