linux-kernel - Re: 2.6.26-rc9-git9 doesn't boot on Macintel

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Date:	Wed, 16 Jul 2008 17:49:39 -0700
From:	"Yinghai Lu" <yhlu.kernel@...il.com>
To:	"Jack Howarth" <howarth@...mo.msbb.uc.edu>,
	"Linux Kernel Mailing List" <linux-kernel@...r.kernel.org>,
	"Ingo Molnar" <mingo@...e.hu>,
	"jbarnes@...tuousgeek.org" <jbarnes@...tuousgeek.org>,
	"Thomas Gleixner" <tglx@...utronix.de>
Subject: Re: 2.6.26-rc9-git9 doesn't boot on Macintel

On Wed, Jul 16, 2008 at 5:40 PM, Jack Howarth <howarth@...mo.msbb.uc.edu> wrote:
> On Wed, Jul 16, 2008 at 03:35:17PM -0700, Yinghai Lu wrote:
>> please check latest linus tree.
>>
>> the commit could be related.
>>
>> commit c91d924e3af08d4f98eab6ebf81f2b8ce132448f
>> Author: Bob Moore <robert.moore@...el.com>
>> Date:   Tue Jun 10 12:38:10 2008 +0800
>>
>>     ACPICA: Fix for hang on GPE method invocation
>>
>>     Fixes problem where the new method argument count validation mechanism
>>     will enter an infinite loop when a GPE method is dispatched.
>>     Problem fixed be removing the obsolete code that passes GPE block
>>     information to the notify handler via the control method parameter pointer.
>>
>> YH
>
> Yinghai,
>   The latest linus tree doesn't eliminate the hangs in 2.6.26 with your
> mmconfig patch. Also, I've been unable to repeat the boot with pci=noacpi using
> the mmconfig patch under 2.6.26. I've uploaded a dmesg file though from
> the 2.6.25.10 kernel booted with apic=verbose in case that sheds any light
> on these problems.
>
> http://bugzilla.kernel.org/show_bug.cgi?id=11087
>
> Also, I assume you meant earlier that is bad that with your mmconfig patch
> that I only see 0 - 63 buses. Any idea how we might fix that (in case it
> is related to the hang)?

please boot with
debug initcall_debug apic=verbose pci=routeirq?

and try pci=nommconf

I suspect that could be pci bridge is using 0xf0000000-0xf400000 too
after Linus merge pci tree, please try to boot with
pci=early_config_dump
to see if it is true.

please don't drop the cc list.

YH
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