linux-kernel - Re: "ACPI: EC: missing confirmations, switch off interrupt mode" wastes time on startup

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Message-ID: <4e5e476b0904290041u6bb475e0o9a409b5e6d83b9ba@mail.gmail.com>
Date:	Wed, 29 Apr 2009 09:41:14 +0200
From:	Corrado Zoccolo <czoccolo@...il.com>
To:	Ryan Hope <rmh3093@...il.com>
Cc:	Alan Jenkins <sourcejedi.lkml@...glemail.com>,
	linux-kernel@...r.kernel.org,
	linux acpi <linux-acpi@...r.kernel.org>
Subject: Re: "ACPI: EC: missing confirmations, switch off interrupt mode" 
	wastes time on startup

Alexey has provided a patch for this. Please look at:
http://bugzilla.kernel.org/show_bug.cgi?id=12949

Corrado

On Wed, Apr 29, 2009 at 2:36 AM, Ryan Hope <rmh3093@...il.com> wrote:
> I am getting this on my Acer also...
>
> -Ryan
>
> On 3/27/09, Alan Jenkins <sourcejedi.lkml@...glemail.com> wrote:
>> On 3/26/09, Corrado Zoccolo <czoccolo@...il.com> wrote:
>>> On Thu, Mar 26, 2009 at 5:58 PM, Alan Jenkins
>>> <sourcejedi.lkml@...glemail.com> wrote:
>>>> On 3/26/09, Corrado Zoccolo <czoccolo@...il.com> wrote:
>>>>
>>>> Currently there is no option to force polling, sorry.  I'm _guessing_
>>>> this was a deliberate omission.  But I can sympathise that even 0.5s
>>>> boot delay is bad on a netbook.
>>>>
>>> Yes. Do you think that changing olpc_ec_timeout kernel parameter may
>>> help in getting the timeout sooner?
>>>
>>
>> No, that's something different.  There's no boot option to change the
>> timeout.
>>
>>>> Feel free to create a new bugzilla entry.  You can attach the full
>>>> output of dmesg, but acpidump is probably not required.  What would be
>>>> really helpful is if you could file on bugzilla, and attach a full
>>>> debug trace.  I.e. as well as the normal dmesg, attach the dmesg
>>>> output after recompiling with this change:
>>>>
>>>
>>> bug: http://bugzilla.kernel.org/show_bug.cgi?id=12949
>>> full debug dmesg: http://bugzilla.kernel.org/attachment.cgi?id=20695
>>
>> Great.
>> --
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>



-- 
__________________________________________________________________________

dott. Corrado Zoccolo                          mailto:czoccolo@...il.com
PhD - Department of Computer Science - University of Pisa, Italy
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