Messages in this thread | | | Date | Fri, 12 Jan 2007 18:43:40 +0200 | From | Dan Aloni <> | Subject | Re: kexec + ACPI in 2.6.19 (was: Re: kexec + USB storage in 2.6.19) |
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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 <da-x@monatomic.org> 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 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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