Re: and try remove another quirk on this computers Re: [3/6]2.6.21-rc2: known regressions

From: Sergio Monteiro Basto
Date: Sat Mar 10 2007 - 23:32:53 EST


On Fri, 2007-03-09 at 21:41 -0800, Linus Torvalds wrote:
>
> 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)

Hi, thanks
Just to write, I test last fedora kernel(2.6.20-1.2981.fc7) which is
based on 2.6.21-rc3-git5, without any problem, less than the scary
warning, talked in this email :)

Best regards,
--
SÃrgio M. B.

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