[panic] general protection fault - triggered in acpi_cmbat_get_bst() ?

[Andriy Gapon]

on 26/01/2012 16:20 Glen Barber said the following:
> On Thu, Jan 26, 2012 at 02:47:10PM +0200, Andriy Gapon wrote:
>>> 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?
>>
> 
> No.  I'm saying I haven't seen the machine crash from gkrellm polling
> the battery state.  FWIW, all three crashes (before disabling that
> monitor) occurred when the laptop was plugged in, and at 100% battery.
> 
>>>> 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?
>>
> 
> I of course can't be 100% certain the problem didn't exist before, but I
> definitely have had this laptop running for a few hours in the past.
> It's possible it was the ACPICA import, but the version of -CURRENT I
> was running before upgrading on the 21st was only three days old or so.


Given that there hasn't been any changes to sys/dev/acpica (i.e. FreeBSD ACPI
code) at all since 2011-12-29, I am inclined to assume that the problem is caused
by the ACPICA 20120111 import.

-- 
Andriy Gapon