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Date:      Thu, 26 Jan 2012 14:47:10 +0200
From:      Andriy Gapon <avg@FreeBSD.org>
To:        Glen Barber <gjb@FreeBSD.org>
Cc:        freebsd-acpi@FreeBSD.org
Subject:   Re: [panic] general protection fault - triggered in acpi_cmbat_get_bst() ?
Message-ID:  <4F214B4E.4090909@FreeBSD.org>
In-Reply-To: <20120125224016.GD1883@glenbarber.us>
References:  <20120123172547.GA1923@glenbarber.us> <4F207FC9.5070703@FreeBSD.org> <20120125224016.GD1883@glenbarber.us>

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on 26/01/2012 00:40 Glen Barber said the following:
> On Thu, Jan 26, 2012 at 12:18:49AM +0200, Andriy Gapon wrote:
>> on 23/01/2012 19:25 Glen Barber said the following:
>>> Hi,
>>>
>>> I'm running a 2-day old -CURRENT:
>>>
>>> FreeBSD nucleus 10.0-CURRENT FreeBSD 10.0-CURRENT #4 r230418M: Sat Jan
>>> 21 00:17:24 EST 2012     gjb@nucleus:/usr/obj/usr/src/sys/NUCLEUS  amd64
>>>
>>> I've just had an ACPI-related panic, caused by the sysutils/gkrellm2
>>> port, which looks to me like the battery state was not available.
>>>
>>> I have kgdb output attached, and can provide any additional information
>>> necessary.
>>
>> The following is not clear from your description: this looks like a new problem,
>> so what's changed - the version of FreeBSD or the hardware?
>>
> 
> Prior to Monday's email, I was out of town and mostly away from the
> laptop.  I can't definitively say, but it's likely I didn't have the
> laptop running long enough to experience the problem.

Still confused - are you saying that you have _never_ let this laptop run long enough?

> I've since upgraded to r230510 (a few hours ago), but haven't enabled
> the battery monitor in gkrellm2 yet.  I can do that later today to see
> if the crash occurs again.
> 
> The hardware has not changed.

I am just trying to see if this problem is something peculiar to this system or if
it is caused by some code changes in FreeBSD.

>> Also, what's debug.acpi.acpi_ca_version on this system?
>>
> 
> nucleus % sysctl debug.acpi.acpi_ca_version
> debug.acpi.acpi_ca_version: 20120111

So, from your experience with this laptop, can the problem be caused by the latest
ACPICA import?  Or do you suppose that the problem could have existed before it?

-- 
Andriy Gapon



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