From: Dan Aloni <da-x@monatomic.org>
To: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Linux Kernel List <linux-kernel@vger.kernel.org>
Subject: Re: kexec + ACPI in 2.6.19 (was: Re: kexec + USB storage in 2.6.19)
Date: Fri, 12 Jan 2007 18:43:40 +0200 [thread overview]
Message-ID: <20070112164339.GA24291@localdomain> (raw)
In-Reply-To: <20070112162800.GA23791@localdomain>
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
next prev parent reply other threads:[~2007-01-12 16:43 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-01-12 12:24 kexec + USB storage in 2.6.19 Dan Aloni
2007-01-12 14:05 ` Eric W. Biederman
2007-01-12 14:55 ` Dan Aloni
2007-01-12 14:57 ` Dan Aloni
2007-01-12 15:26 ` Eric W. Biederman
2007-01-12 16:02 ` kexec + ACPI in 2.6.19 (was: Re: kexec + USB storage in 2.6.19) Dan Aloni
2007-01-12 16:28 ` Dan Aloni
2007-01-12 16:43 ` Dan Aloni [this message]
2007-01-12 16:56 ` Dan Aloni
2007-01-12 17:33 ` Eric W. Biederman
2007-01-12 18:49 ` Dan Aloni
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