[Bug 65591] New: Haswell CPU is not going to powersafe mode.

[Bug 65591] New: Haswell CPU is not going to powersafe mode.

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=65591

            Bug ID: 65591
           Summary: Haswell CPU is not going to powersafe mode.
           Product: Power Management
           Version: 2.5
    Kernel Version: 3.12.0-031200-generic #201311031935 SMP Mon Nov 4
                    00:36:54 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux
          Hardware: All
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: cpufreq
          Assignee: cpufreq@vger.kernel.org
          Reporter: tomas.ivanek@gmail.com
        Regression: No

CPU speed is not going to powersafe mode - to 800 Mhz. It' always >1.6 GHz
Minfreq is defined as 800000. 

Intel(R) Core(TM) i5-4200U CPU @ 1.60GHz

root@dell-xps:/sys/devices/system/cpu/cpu0/cpufreq# grep "" *
affected_cpus:0
cpuinfo_cur_freq:1878812
cpuinfo_max_freq:2600000
cpuinfo_min_freq:800000
cpuinfo_transition_latency:4294967295
related_cpus:0
scaling_available_governors:performance powersave
scaling_driver:intel_pstate
scaling_governor:powersave
scaling_max_freq:2600000
scaling_min_freq:800000
scaling_setspeed:<unsupported>

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[Bug 65591] Haswell CPU is not going to powersafe mode.

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=65591

tomasi <tomas.ivanek@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Hardware|All                         |x86-64

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[Bug 65591] Haswell CPU is not going to powersafe mode.

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=65591

Lan Tianyu <tianyu.lan@intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |tianyu.lan@intel.com
           Assignee|cpufreq@vger.kernel.org     |dirk.brandewie@gmail.com

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