From owner-freebsd-acpi@FreeBSD.ORG  Sun Dec 21 04:36:39 2008
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Date: Sun, 21 Dec 2008 11:59:47 +0800
From: Ganbold <ganbold@micom.mng.net>
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Subject: ACPI error, No pointer back to NS node in buffer obj
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Hi,

These messages are appearing on CURRENT.
...
cpu0: <ACPI CPU> on acpi0
ACPI Error (dsopcode-0350): No pointer back to NS node in buffer obj
0x854857c0 [20070320]
ACPI Exception (dswexec-0556): AE_AML_INTERNAL, While resolving operands
for [OpcodeName unavailable] [20070320]
ACPI Error (psparse-0626): Method parse/execution failed
[\_PR_.CPU0._OSC] (Node 0x852c2620), AE_AML_INTERNAL
est0: <Enhanced SpeedStep Frequency Control> on cpu0
p4tcc0: <CPU Frequency Thermal Control> on cpu0
cpu1: <ACPI CPU> on acpi0
ACPI Error (dsopcode-0350): No pointer back to NS node in buffer obj
0x85477c00 [20070320]
ACPI Exception (dswexec-0556): AE_AML_INTERNAL, While resolving operands
for [OpcodeName unavailable] [20070320]
ACPI Error (psparse-0626): Method parse/execution failed
[\_PR_.CPU1._OSC] (Node 0x852c2540), AE_AML_INTERNAL
est1: <Enhanced SpeedStep Frequency Control> on cpu1
...

Are above messages harmful?

Additional infos at:

http://people.freebsd.org/~ganbold/acpi.txt

thanks,

Ganbold




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