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

Glen Barber gjb at FreeBSD.org
Wed Jan 25 22:40:18 UTC 2012

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 at 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.

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.

> Also, what's debug.acpi.acpi_ca_version on this system?

nucleus % sysctl debug.acpi.acpi_ca_version
debug.acpi.acpi_ca_version: 20120111


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