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

2012-01-26 Thread Glen Barber
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.

Glen

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

2012-01-26 Thread 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
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Re: [panic] general protection fault - triggered in acpi_cmbat_get_bst() ?

2012-01-26 Thread Glen Barber
On Thu, Jan 26, 2012 at 04:45:26PM +0200, Andriy Gapon wrote:
 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.
 

I've just re-enabled the battery monitor in gkrellm.  Should the machine
crash again for the same reason, is there anything specific I can
provide to troubleshoot this?  I can drop the core.txt.N file somewhere
public if that helps, as well as any kgdb output needed.

Thanks.

Glen

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

2012-01-26 Thread Andriy Gapon
on 26/01/2012 16:49 Glen Barber said the following:
 On Thu, Jan 26, 2012 at 04:45:26PM +0200, Andriy Gapon wrote:
 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.

 
 I've just re-enabled the battery monitor in gkrellm.  Should the machine
 crash again for the same reason, is there anything specific I can
 provide to troubleshoot this?  I can drop the core.txt.N file somewhere
 public if that helps, as well as any kgdb output needed.

I would help to get a backtrace with line numbers from kgdb.
And also to get detailed information about values of variables in the
AcpiUtAllocateObjectDescDbg frame.

-- 
Andriy Gapon
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