On Fri, Jan 12, 2007 at 06:28:00PM +0200, Dan Aloni wrote:
> On Fri, Jan 12, 2007 at 06:02:43PM +0200, Dan Aloni wrote:
> > On Fri, Jan 12, 2007 at 08:26:03AM -0700, Eric W. Biederman wrote:
> > > Dan Aloni <[email protected]> writes:
> > >
> > > > I'm attaching the full logs.
> > >
> > > Thanks.
> > >
> > > > [ 8656.272980] ACPI Error (tbxfroot-0512): Could not map memory at 0000040E for length 2 [20060707]
> > >
> > > Ok. This looks like the first sign of trouble.
> > > Normally I would suspect a memory map issue but your e820 memory map looks fine,
> > > although a little different between the two kernels.
> > >
> > > Is this enough of a hint for you to dig more deeply?
> >
> > Reverting just the ACPI code (everything under drivers/acpi/*)
> > back to the version of 2.6.18.3 doesn't fix the problem, so it
> > must be something else.
>
> Just occured to me that I didn't revert the relevant code under
> arch/x86_64 so it might still be related somehow..
After adding a few prints inside __ioremap() it appears the function
exits for phys_addr==0x40e because (!PageReserved(page)).
Isn't page 0 supposed to be reserved? I clearly see that it is
being reserved under setup_arch().
Odd, I must say...
--
Dan Aloni
XIV LTD, http://www.xivstorage.com
da-x (at) monatomic.org, dan (at) xiv.co.il
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