Re: kernel 2.6.8.1-mm1 ACPI bug ?

[Maximilian Decker]

Len Brown wrote:

> On Wed, 2004-08-18 at 03:50, Maximilian Decker wrote:
>  
>
> > Hi all,
> >
> > it seems like there is a strange ACPI related bug in the current -mm 
> > patch set... ?
> > At least with my configuration the following happens:
> >
> >
> > With vanilla kernel 2.6.7 oder 2.6.8 I get the following at bootup:
> >
> > ACPI: Processor [CPU0] (supports C1 C2 C3, 8 throttling states)
> > ACPI: Thermal Zone [TZ1] (30 C)
> > ACPI: Thermal Zone [TZ2] (29 C)
> > ACPI: Thermal Zone [TZ3] (26 C)
> > cpufreq: CPU0 - ACPI performance management activated.
> > ACPI: (supports S0 S3 S4 S4bios S5)
> >
> >
> > With the current -mm patchset (at least with 2.6.8 rc to .1) I get the
> > following:
> >
> > ACPI: Processor [CPU0] (supports C1 C2 C3, 8 throttling states)
> > ACPI: Thermal Zone [TZ1] (16 C)
> >    ACPI-1133: *** Error: Method execution failed [\_TZ_.C204] (Node 
> > dff45e00), AE_AML_PACKAGE_LIMIT
> >    ACPI-1133: *** Error: Method execution failed [\_TZ_.C203] (Node 
> > dff45c20), AE_AML_PACKAGE_LIMIT
> >    ACPI-1133: *** Error: Method execution failed [\_TZ_.TZ2_._TMP] 
> > (Node dff46580), AE_AML_PACKAGE_LIMIT
> > ACPI: Thermal Zone [TZ3] (31 C)
> > cpufreq: CPU0 - ACPI performance management activated.
> > ACPI: (supports S0 S3 S4 S4bios S5)
> >
> >
> > My hardware is a HP compaq nc8000, Pentium-M.
> > The problem is that with the -mm kernels the CPU fan stops to work -
> > causing temperature to raise very high ...... :-(
> >
> > Are there any known problems ?
> >    
>
> Please take stock 2.6.8.1 and apply the latest patch here:
> http://ftp.kernel.org/pub/linux/kernel/people/lenb/acpi/patches/release/2.6.8/
> and give it a go.
>
> This will bring your kernel up to the same ACPI patch that is in the -mm
> tree, but without all the other stuff in the mm tree.
>
> If it fails, then ACPI broke.  If it works, then something in -mm broke
> ACPI.
>
> thanks,
> -Len
>  

I just tried 2.6.8.1 with the given patch, same result.
As soon as ACPI starts up, TZ2 disappears and the cpu fan stops working.

If you need further information (lspci etc.) - please let me know, thanks !


-Maximilian



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