https://bugzilla.kernel.org/show_bug.cgi?id=15707
Summary: can not get AC/DC status
Product: ACPI
Version: 2.5
Kernel Version: 2.6.32.4
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: EC
AssignedTo: acpi...@kernel-bugs.osdl.org
ReportedBy: leon7...@gmail.com
CC: rui.zh...@intel.com
Regression: No
Created an attachment (id=25888)
--> (https://bugzilla.kernel.org/attachment.cgi?id=25888)
dmesg_acpi_parse_error
Hardware Model (on what HW this bug is uncovered): Calpella platform
Bug detailed descriptions(behavior, impact, etc)
===========================================================
can not get the AC/DC status after system booting up.
Reproduce Steps(steps,current result, reproduce possibility)
===========================================================
(1)Booting up System
(2)Check the power status and AC/DC status always show 0%
(3)Check the dmesg and find ACPI Error as bellow
ACPI Error (psargs-0359): [\_PR_.CPU0._PPC] Namespace lookup failure,
AE_NOT_FOUND
ACPI Error (psparse-0537): Method parse/execution failed
[\_SB_.PCI0.ACAD._PSR] (Node f7457798), AE_NOT_FOUND
ACPI Exception: AE_NOT_FOUND, Error reading AC Adapter state
(20090903/ac-140)
Expected result:
===========================================================
The AC/DC status is relative to Power source.
Possible root cause:
===========================================================
It seems that the ACPI DSDT related or driver issue, but the AC/DC status is
normal shown on Windows 7.
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