ACPI error, No pointer back to NS node in buffer obj

Moore, Robert robert.moore at intel.com
Tue Jan 20 12:52:57 PST 2009


Please post the acpidump for the machine.
Thanks.


>-----Original Message-----
>From: owner-freebsd-acpi at freebsd.org [mailto:owner-freebsd-
>acpi at freebsd.org] On Behalf Of Jakub Lach
>Sent: Monday, January 19, 2009 5:25 PM
>To: freebsd-acpi at freebsd.org
>Subject: Re: ACPI error, No pointer back to NS node in buffer obj
>
>
>Hi,
>
>I have observed similar errors on amd64 7.1 RELEASE LiveDVD.
>
>http://forums.freebsd.org/showthread.php?t=1533
>
>These looks T400 specific.
>
>I'm looking forward to using this machine
>with FreeBSD stable, so I hope these issues will be adressed in current
>soon..
>
>All best,
>
>Jakub Lach
>
>
>Ganbold wrote:
>>
>> 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
>>
>>
>>
>>
>> --
>> Being popular is important. Otherwise people might not like you.
>>
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>>
>>
>
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>pointer-back-to-NS-node-in-buffer-obj-tp21112077p21555335.html
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