From: ebiederm@xmission.com (Eric W. Biederman)
To: Tim Gardner <tim.gardner@canonical.com>
Cc: trenn@suse.de, Thomas Gleixner <tglx@linutronix.de>,
       Chuck Ebbert <cebbert@redhat.com>, lenb@kernel.org,
       linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: ACPI Regression on Dell E1501
References: <467AE7E1.4050805@canonical.com> <467AF204.3060805@redhat.com>
	<1182462902.3316.105.camel@chaos> <467BC9F8.5000403@canonical.com>
	<467BCC3F.4080405@canonical.com>
	<1182525150.28514.746.camel@queen.suse.de>
	<467C1569.2010306@canonical.com>
Date: Fri, 22 Jun 2007 15:27:18 -0600
In-Reply-To: <467C1569.2010306@canonical.com> (Tim Gardner's message of "Fri,
	22 Jun 2007 12:31:05 -0600")
Message-ID: <m1hcozbryh.fsf@ebiederm.dsl.xmission.com>
User-Agent: Gnus/5.110006 (No Gnus v0.6) Emacs/21.4 (gnu/linux)
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Sender: linux-kernel-owner@vger.kernel.org
Content-Length: 3009
Lines: 92

Tim Gardner <tim.gardner@canonical.com> writes:

> Thomas Renninger wrote:
>> On Fri, 2007-06-22 at 07:18 -0600, Tim Gardner wrote:
>>> Tim Gardner wrote:
>>>> Thomas Gleixner wrote:
>>>>> On Thu, 2007-06-21 at 17:47 -0400, Chuck Ebbert wrote:
>>>>>> On 06/21/2007 05:04 PM, Tim Gardner wrote:
>>>>>>> Hi,
>>>>>>>
>>>>>>> Commit e9e2cdb412412326c4827fc78ba27f410d837e6e breaks boot on a Dell
>>>>>>> E1501 unless 'acpi=off' is specified (also tried nolapic and nohpet but
>>>>>>> it made no substantive difference). This laptop is an 'AMD Turion(tm) 64
>>>>>>> X2 Mobile Technology TL-50' CPU, but its booting 32 bit SMP (make
>>>>>>> defconfig). No kernel built after this commit works for this platform.
>>>>>>>
>>>>>>> There is no crash output, it just wedges after 'NET: Registered protocol
>>>>>>> family 2'.
>>>>>>>
>>>>>>> How can I debug this problem?
>>>>>> That'll be fun.
>>>>>>
>>>>>> That's:
>>>>>>
>>>>>> 	[PATCH] clockevents: i386 drivers
>>>>>>
>>>>>> [Author cc: added]
>>>>> I'm going nuts on this. 
>>>>>
>>>>> Tim, 
>>>>>
>>>>> 1.) are you booting a 32bit or a 64 bit kernel ?
>>>>>
>>>>> 2.) Can you please try 2.6.22-rc5 + 
>>>>> http://www.tglx.de/projects/hrtimers/2.6.22-rc5/patch-2.6.22-rc5-hrt1.patch
>>>>> 	whether this makes any difference 
>>>>>
>>>>> Thanks,
>>>>>
>>>>> 	tglx
>>>>>
>>>> Thomas,
>>>>
>>>> Your patch (large though it is) did not make any outward difference. As
>>>> usual, adding 'acpi=off' allows it to boot.
>>>>
>>>> rtg
>>> Perhaps I was too hasty. Adding 'acpi=off' did not allow it to boot. The
>>> IDE drive was detected, but I did not see any partitions detected.
>>> Eventually it dropped to the initrd shell when it could not find a root
>>> filesystem. Anyways, this is likely a side issue.
>> 
>> I am seeing the same with an ACER F5000.
>> 
>> pci=nomsi let the machine still boot.
>> 
>> I tried a bit and I think I got it, for me it's this one:
>> 
>> commit 78b7611c4a1e3ff008abc4751b566cb533d68f3d
>> Author: Eric W. Biederman <ebiederm@xmission.com>
>> Date:   Fri Jun 1 00:46:33 2007 -0700
>> 
>> My problem: The laptop does not have an serial output device, I try to
>> set up a fire wire console, but might have cable/HW problems.
>> 
>> What else can I do to help?
>> What do you need?
>> 
>> Thanks,
>> 
>>    Thomas
>> 
>
> pci=nomsi has no effect, nor does CONFIG_SMP. Furthermore, I positively
> confirmed that this is the offending commit. If I reset HEAD to the
> commit just prior, then everything works OK.

To confirm you commit: e9e2cdb412412326c4827fc78ba27f410d837e6e 
"[PATCH] clockevents: i386 drivers" is the problem commit you are
referring to.  Thomas suggested a different commit else having to do
with MSI...

I'm just trying to keep the conversation straight.

Thanks,
Eric

-
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/