Strange ACPI/power_meter error on boot: R210, CentOS 5.5

Shaun Qualheim shaun at
Fri Jun 25 09:10:45 CDT 2010

Hey all --

I'm noticing a strange power_meter error on boot on my R210:

ACPI: Power Button (FF) [PWRF]
ACPI: Mapper loaded
dell-wmi: No known WMI GUID found
ACPI Exception (evregion-0424): AE_SUPPORT, Returned by Handler for
[DataTable] [20060707]
ACPI Error (psparse-0537): Method parse/execution failed [\_SB_.PMI0._GHL]
(Node ffff8100027d6fb0), AE_SUPPORT
ACPI Error (psparse-0537): Method parse/execution failed [\_SB_.PMI0._PMC]
(Node ffff8100027d6430), AE_SUPPORT
ACPI Exception (power_meter-0759): AE_SUPPORT, Evaluating _PMC [20060707]
Device 'power_meter0' does not have a release() function, it is broken and
must be fixed.
BUG: warning at drivers/base/core.c:101/device_release() (Not tainted)

Call Trace:
 [<ffffffff80150c09>] kobject_cleanup+0x53/0x7e
 [<ffffffff80150c34>] kobject_release+0x0/0x9
 [<ffffffff80035400>] kref_put+0x6f/0x7a
 [<ffffffff882c50ed>] :power_meter:acpi_power_meter_add+0x158/0x16f
 [<ffffffff801a0378>] acpi_bus_driver_init+0x30/0x57
 [<ffffffff801a1596>] acpi_bus_register_driver+0x95/0xd4
 [<ffffffff881bf032>] :power_meter:acpi_power_meter_init+0x25/0x34
 [<ffffffff800a6efa>] sys_init_module+0xaf/0x1f2
 [<ffffffff8005d116>] system_call+0x7e/0x83

It doesn't appear to be affecting anything, but I'm curious if there's a fix
or anything for it?

OS: Centos 5.5 x86-64
Kernel: 2.6.18-194.3.1.el5

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