linux-kernel - Re: linux-next Regression: Unable to locate IOAPIC

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Date:	Thu, 12 Jun 2008 15:16:26 -0700
From:	"Yinghai Lu" <yhlu.kernel@...il.com>
To:	"Andrew Morton" <akpm@...ux-foundation.org>
Cc:	webmaster@...gonslave.de, "Daniel Exner" <dex@...gonslave.de>,
	linux-kernel@...r.kernel.org, linux-next@...r.kernel.org,
	linux-acpi@...r.kernel.org
Subject: Re: linux-next Regression: Unable to locate IOAPIC

On Tue, Jun 10, 2008 at 10:47 PM, Andrew Morton
<akpm@...ux-foundation.org> wrote:
> On Tue, 10 Jun 2008 22:29:10 +0200 Daniel Exner <dex@...gonslave.de> wrote:
>
>>
>> Andrew Morton wrote:
>> > On Fri, 6 Jun 2008 19:30:28 +0200 Daniel Exner <dex@...gonslave.de> wrote:
>> > > Andrew Morton wrote:
>> > > > (cc linux-acpi)
>> > > >
>> > > > On Thu, 5 Jun 2008 11:00:12 +0200 Daniel Exner <dex@...gonslave.de>
>> wrote:
>> > > > > Hi!
>> > > > >
>> > > > > (Added myself to CC, because I'm not subscribed)
>> > > > >
>> > > > > with linux-next snapshot 20080604 my Laptop morphes into sitting duck
>> > > > > and I think this is due to this:
>> > > >
>> > > > I assume 2.6.26-rc5 is OK?
>> > >
>> > > Indeed.. just tried it with (nearly) the same config: no unable to locate
>> > > IOAPIC
>> > >
>> > > Will try todays next snapshot above -rc5 now.
>> >
>> > OK, thanks.
>> >
>> > It would be great if you could test 2.6.26-rc5 plus
>> > http://userweb.kernel.org/~akpm/git-acpi.patch.  That'll allow us to
>> > confirm that the regression is due to changes in the acpi tree.
>> Sorry for the delay.. real-life you know ;)
>>
>> I guess you'd expect me to confirm the behavior on rc5 with this patch aplied,
>> but .. well this Kernel works!
>>
>> So I think the regression is NOT in the acpi tree. Perhaps pci subsystem?
>
> There is behind-the-scenes finger-pointing going on ;)
>
> I don't think we know what caused this regression, sorry.
>
>> If I find time I'll try bisecting it..
>
> That would be fantastic, thanks.  Please don't let us merge this
> regression into 2.6.27.  We have a few weeks.

i'm confused. 2.6.26-rc5 is OK or not?

where is whole boot log for works kernel? also the config please.

YH
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