[Bug 61071] New: powernow-k8 is not autoloaded

[Bug 61071] New: powernow-k8 is not autoloaded

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=61071

            Bug ID: 61071
           Summary: powernow-k8 is not autoloaded
           Product: Power Management
           Version: 2.5
    Kernel Version: 3.11
          Hardware: All
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: cpufreq
          Assignee: cpufreq@vger.kernel.org
          Reporter: bjo@nord-west.org
        Regression: No

I'm running Arch Linux on a AMD Athlon 64 X2 Dual Core Processor 5000+. On
Kernel 3.10, powernow-k8 gets loaded automatically (as expected since 3.4).
With 3.11, it doesn't get loaded automatically, so cpupower fails at bootup.
But it loads fine if I load it via /etc/modules-load.d/.

Some information:

modinfo powernow-k8:
alias:          x86cpu:vendor:0002:family:000F:model:*:feature:*

udevadmin info --export-db | grep cpu:
DEVPATH=/devices/system/cpu/cpu0
MODALIAS=x86cpu:vendor:0002:family:000F:model:006B:feature:,0000,0001,0002,0003,0004,0005,0006,0007,0008,0009,000B,000C,000D,000E,000F,0010,0011,0013,0017,0018,0019,001A,001C,0020,0021,0022,0023,0024,0025,0026,0027,0028,0029,002B,002C,002D,002E,002F,0030,0031,0034,0036,0037,0038,0039,003B,003D,003E,003F,0064,006A,006E,0070,0071,0074,0075,007A,0080,008D,00C0,00C1,00C2,00C3,00C4,00C8,0106

Vendor and family still match, so I have no idea why the module doesn't get
loaded.

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[Bug 61071] powernow-k8 is not autoloaded

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=61071

--- Comment #1 from Rafael J. Wysocki <rjw@rjwysocki.net> ---
On Monday, September 09, 2013 02:58:13 PM bugzilla-daemon@bugzilla.kernel.org
wrote:
>
> I'm running Arch Linux on a AMD Athlon 64 X2 Dual Core Processor 5000+. On
> Kernel 3.10, powernow-k8 gets loaded automatically (as expected since 3.4).
> With 3.11, it doesn't get loaded automatically, so cpupower fails at bootup.
> But it loads fine if I load it via /etc/modules-load.d/.
> 
> Some information:
> 
> modinfo powernow-k8:
> alias:          x86cpu:vendor:0002:family:000F:model:*:feature:*
> 
> udevadmin info --export-db | grep cpu:
> DEVPATH=/devices/system/cpu/cpu0
> MODALIAS=x86cpu:vendor:0002:family:000F:model:006B:feature:,0000,0001,0002,0003,0004,0005,0006,0007,0008,0009,000B,000C,000D,000E,000F,0010,0011,0013,0017,0018,0019,001A,001C,0020,0021,0022,0023,0024,0025,0026,0027,0028,0029,002B,002C,002D,002E,002F,0030,0031,0034,0036,0037,0038,0039,003B,003D,003E,003F,0064,006A,006E,0070,0071,0074,0075,007A,0080,008D,00C0,00C1,00C2,00C3,00C4,00C8,0106
> 
> Vendor and family still match, so I have no idea why the module doesn't get
> loaded.

That is a udev problem as described in this commit message:

http://cgit.freedesktop.org/systemd/systemd/commit?id=bf7f800f2b3e93ccd1229d4717166f3a4d3af72f

Please ask your distro to push that udev fix in an update.

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[Bug 61071] powernow-k8 is not autoloaded

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=61071

Rafael J. Wysocki <rjw@rjwysocki.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |rjw@rjwysocki.net
         Resolution|---                         |WILL_NOT_FIX

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[Bug 61071] powernow-k8 is not autoloaded

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=61071

Rafael J. Wysocki <rjw@rjwysocki.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |CLOSED

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Re: [Bug 61071] New: powernow-k8 is not autoloaded

[Rafael J. Wysocki]

On Monday, September 09, 2013 02:58:13 PM bugzilla-daemon@bugzilla.kernel.org wrote:
>
> I'm running Arch Linux on a AMD Athlon 64 X2 Dual Core Processor 5000+. On
> Kernel 3.10, powernow-k8 gets loaded automatically (as expected since 3.4).
> With 3.11, it doesn't get loaded automatically, so cpupower fails at bootup.
> But it loads fine if I load it via /etc/modules-load.d/.
> 
> Some information:
> 
> modinfo powernow-k8:
> alias:          x86cpu:vendor:0002:family:000F:model:*:feature:*
> 
> udevadmin info --export-db | grep cpu:
> DEVPATH=/devices/system/cpu/cpu0
> MODALIAS=x86cpu:vendor:0002:family:000F:model:006B:feature:,0000,0001,0002,0003,0004,0005,0006,0007,0008,0009,000B,000C,000D,000E,000F,0010,0011,0013,0017,0018,0019,001A,001C,0020,0021,0022,0023,0024,0025,0026,0027,0028,0029,002B,002C,002D,002E,002F,0030,0031,0034,0036,0037,0038,0039,003B,003D,003E,003F,0064,006A,006E,0070,0071,0074,0075,007A,0080,008D,00C0,00C1,00C2,00C3,00C4,00C8,0106
> 
> Vendor and family still match, so I have no idea why the module doesn't get
> loaded.

That is a udev problem as described in this commit message:

http://cgit.freedesktop.org/systemd/systemd/commit?id=bf7f800f2b3e93ccd1229d4717166f3a4d3af72f

Please ask your distro to push that udev fix in an update.

[Bug 61071] powernow-k8 is not autoloaded

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=61071

--- Comment #2 from Rafael J. Wysocki <rjw@rjwysocki.net> ---
Of course, you can also modify the rule in question yourself in the same way as
in the commit above or add a new rule:

ENV{MODALIAS}=="?*", RUN{builtin}="kmod load $env{MODALIAS}"

to your local udev rules.

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