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SubjectRE: 2.6.17-mm5 - ACPI Exception (acpi_processor-0272): AE_BAD_PARAMETER, Invalid _PSS data [20060623]
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>Starting with -mm4 and now with -mm5 I see:
>
>> Jul 1 19:54:29 knarzkiste kernel: powernow-k8: Found 1 AMD
>Turion(tm) 64 Mobile Technology ML-30 processors (version 2.00.00)
>> Jul 1 19:54:29 knarzkiste kernel: ACPI: Invalid package argument
>> Jul 1 19:54:29 knarzkiste kernel: ACPI Exception
>(acpi_processor-0272): AE_BAD_PARAMETER, Invalid _PSS data [20060623]
>> Jul 1 19:54:29 knarzkiste kernel: powernow-k8: 0 : fid
>0x0 (800 MHz), vid 0x12
>> Jul 1 19:54:29 knarzkiste kernel: powernow-k8: 1 : fid
>0x8 (1600 MHz), vid 0x4
>> Jul 1 19:54:29 knarzkiste kernel: powernow-k8: ph2 null fid
>transition 0x8
>
>I'm not sure if The "ACPI: Invalid package argument" and "ACPI
>Exception" are indicative of a real problem.
>
>> Jul 1 19:54:15 knarzkiste kernel: CPU: AMD Turion(tm) 64
>Mobile Technology ML-30 stepping 02

Two things could be happening:

1. message was always there, but was disabled before.

Please build a previous kernel that doesn't show
this message (say 2.6.17) with CONFIG_ACPI_DEBUG=y
and report if you see the same message.

Note that the patch that enabled these messages
had been in mm before for several months
and just dropped out for a bit before -mm4,
so you might see this in earlier -mm's too.

2. Some other regression

Lets hope not.

In any case, it would be good to get to the root cause.
Please open a bugzilla here:
http://bugzilla.kernel.org/enter_bug.cgi?product=ACPI
and attach the output from acpidump found in the
latest pmtools here:
http://ftp.kernel.org/pub/linux/kernel/people/lenb/acpi/utils/

After the above, you might also check for an updated BIOS.

thanks,
-Len
-
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