New subject: [Bug 357553] acpi-cpufreq fails to load on an Intel Core 2 Duo T7250 with kernel 2.6. 22-16

31 Jan 2008

      https://bugzilla.novell.com/show_bug.cgi?id=357553

           Summary: acpi-cpufreq fails to load on an Intel Core 2 Duo T7250
                    with kernel 2.6.22-16
           Product: openSUSE 10.3
           Version: Final
          Platform: x86-64
        OS/Version: Other
            Status: NEW
          Severity: Major
          Priority: P5 - None
         Component: Kernel
        AssignedTo: kernel-maintainers@forge.provo.novell.com
        ReportedBy: j.balderud@eee.strath.ac.uk
         QAContact: qa@suse.de
          Found By: Customer

Using the online update service that comes bundled with OpenSUSE 10.3 I
recently upgraded my kernel from 2.6.22-13-0.3 to 2.6.22-16. After doing so the
acpi-cpufreq module no longer loads, resulting in a loss of CPU frequency
scaling.  I have subsequently downgraded the kernel to 2.6.22-13-0.3 and that
seems to have resolved the problem. I therefore conclude that a bug must have
been introduced in the ACPI sub system between kernel 2.6.22-13-0.3 and
2.6.22-16 (both are the default kernels for the x86_64 architecture)

Using kernel 2.6.22-16 and manually trying to load the acpi-cpufreq module
results in an error message that states "no such device".

I am running a Compaq 6510b laptop with Centrino chipset and 1 GB of ram.
Please advice if more information is needed

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[Bug 357553] New: acpi-cpufreq fails to load on an Intel Core 2 Duo T7250 with kernel 2.6. 22-16

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