Re: 2.6.2 ACPI problem

From: Len Brown
Date: Tue Feb 17 2004 - 01:06:43 EST


Lenar,
Did this start in 2.6.2, or did it happen with previous kernels too?
Does it also happen in 2.6.3?

On Tue, 2004-02-10 at 09:33, Lenar Lõhmus wrote:
> Hi,
>
> Having problems here with ACPI on Compaq Evo N610c laptop.
> Everything boots up fine except when loading battery module
> one gets this:
>
> ACPI-1120: *** Error: Method execution failed
> [\_SB_.C045.C059.C0E2.C13F] (Node c157bd40),
> AE_AML_UNINITIALIZED_LOCAL
> ACPI-1120: *** Error: Method execution failed
> [\_SB_.C045.C059.C0E2.C14E] (Node c157bc40),
> AE_AML_UNINITIALIZED_LOCAL
> ACPI-1120: *** Error: Method execution failed [\_SB_.C198._BTP]
> (Node c1577d20), AE_AML_UNINITIALIZED_LOCAL
> ACPI: Battery Slot [C198] (battery present)
> ACPI: Battery Slot [C199] (battery absent)
>
> Tried with and without RELAXED_AML.
>
> Now despite this machine seems to work fine until kde's laptop daemon
> does something I'm not aware of which results in
> these lines in dmesg:
>
> Feb 10 17:52:35 debian kernel: ACPI-0245: *** Error: Cannot
> release
> Mutex [_GL_], not acquired
> Feb 10 17:52:35 debian kernel: ACPI-1120: *** Error: Method
> execution failed [\_SB_.C045.C059.C0E2.C12C] (Node c157bf80),
> AE_AML_MUTEX_NOT_ACQUIRED
> Feb 10 17:52:35 debian kernel: ACPI-1120: *** Error: Method
> execution failed [\_SB_.C045.C059.C0E2.C13F] (Node c157bd40),
> AE_AML_MUTEX_NOT_ACQUIRED
> Feb 10 17:52:35 debian kernel: ACPI-1120: *** Error: Method
> execution failed [\_SB_.C045.C059.C0E2.C145] (Node c157bcc0),
> AE_AML_MUTEX_NOT_ACQUIRED
> Feb 10 17:52:35 debian kernel: ACPI-1120: *** Error: Method
> execution failed [\_SB_.C045.C059.C0E2.C14C] (Node c157bc60),
> AE_AML_MUTEX_NOT_ACQUIRED
> Feb 10 17:52:35 debian kernel: ACPI-1120: *** Error: Method
> execution failed [\_SB_.C14C] (Node c1577ee0),
> AE_AML_MUTEX_NOT_ACQUIRED
> Feb 10 17:52:35 debian kernel: ACPI-1120: *** Error: Method
> execution failed [\_SB_.C198._BST] (Node c1577da0),
> AE_AML_MUTEX_NOT_ACQUIRED
>
> Aftwerwards whole KDE hangs (but that's probably KDE's problem) also
> trying to run 'acpi' on command line stalls and is not interruptible.
> Shutdown stalls do.
>
> Any solutions or something to try?

Well, to treat the symptom (and isolate the problem) see if things work
better when you disable the battery driver:

CONFIG_ACPI_BATTERY=n

(or simply remove the battery driver under /lib/modules...)

cheers,
-Len




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