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Date:      Fri, 26 Sep 2003 10:15:47 -0700 (PDT)
From:      Don Lewis <truckman@FreeBSD.org>
To:        nate@root.org
Cc:        current@FreeBSD.org
Subject:   Re: ThinkPad R40 hangs during ACPI power down
Message-ID:  <200309261715.h8QHFlN1021235@gw.catspoiler.org>
In-Reply-To: <200309260905.h8Q95jN1019892@gw.catspoiler.org>

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On 26 Sep, To: nate@root.org wrote:
> On 25 Sep, Nate Lawson wrote:

>> To debug this, please boot a newer kernel with the ACPI_DEBUG option with
>> the following options in loader.conf:
>> 
>>     debug.acpi.layer="ACPI_ALL_COMPONENTS ACPI_ALL_DRIVERS"
>>     debug.acpi.level="ACPI_LV_FUNCTIONS"
>> 
>> You'll get spammed with way too many messages on boot but just ignore
>> these.
> 
> You're not kidding.  I gave up after 2 hours and 7.5 MB of output.  It
> looks like it's looping, see below ...

I let it run overnight and it spewed 25 MB of output before I killed it.
It didn't get very far into the boot, just after the CPU is probed.  I
uploaded the full trace to
<http://people.freebsd.org/~truckman/r40-acpi-trace.bz2>.

The system boots ok if I remove these two debug options.



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