[Bug 7866] cpufreq fails to correctly identify Intel Conroe operating frequencies

[Bug 7866] cpufreq fails to correctly identify Intel Conroe operating frequencies

[bugme-daemon]

http://bugzilla.kernel.org/show_bug.cgi?id=7866

alexey.y.starikovskiy@intel.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |REJECTED
         Resolution|                            |WILL_NOT_FIX



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[Bug 7866] cpufreq fails to correctly identify Intel Conroe operating frequencies

[bugme-daemon]

http://bugzilla.kernel.org/show_bug.cgi?id=7866





------- Additional Comments From alexey.y.starikovskiy@intel.com  2007-02-07 06:50 -------
cpufreq works. it switches between right frequencies (they are programmed as 
multipliers for FSB freq). The only "broken" thing is the output of cpufreq, 
there it prints these (multipliers * lowest FSB freq, which is 100Mhz). Values 
to print cpufreq takes from BIOS, so it is BIOS who used 100Mhz instead of 
your 350 for above calculation. 6-9 is a valid range for E6600. if you 
multiply it by default 266 you will get advertised frequencies of E6600, if 
you multiply them by 350, you will have your real frequencies.
cpufreq has no access to FSB frequency, so there is no option but to either 
live with such printouts, or bug your BIOS vendor about it.

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[Bug 7866] cpufreq fails to correctly identify Intel Conroe operating frequencies

[bugme-daemon]

http://bugzilla.kernel.org/show_bug.cgi?id=7866





------- Additional Comments From jared@jaredcam.net  2007-02-07 05:48 -------
The FSB is currently overclocked, I think I have it set at 350 or so.  However,
I was still having this problem before I overclocked it, when the FSB was at 266.

I can set the FSB back to 266 and test that again with 2.6.20 if you think
that's the problem (I suspect it's not).   But cpufreq should probably either
disable itself or work correctly because the failure mode is pretty bad.  I
wouldn't have noticed the problem if I hadn't cat-ed /proc/cpuinfo.

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[Bug 7866] cpufreq fails to correctly identify Intel Conroe operating frequencies

[bugme-daemon]

http://bugzilla.kernel.org/show_bug.cgi?id=7866





------- Additional Comments From jared@jaredcam.net  2007-02-07 05:48 -------
The FSB is currently overclocked, I think I have it set at 350 or so.  However,
I was still having this problem before I overclocked it, when the FSB was at 266.

I can set the FSB back to 266 and test that again with 2.6.20 if you think
that's the problem (I suspect it's not).   But cpufreq should probably either
disable itself or work correctly because the failure mode is pretty bad.  I
wouldn't have noticed the problem if I hadn't cat-ed /proc/cpuinfo.

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[Bug 7866] cpufreq fails to correctly identify Intel Conroe operating frequencies

[bugme-daemon]

http://bugzilla.kernel.org/show_bug.cgi?id=7866





------- Additional Comments From alexey.y.starikovskiy@intel.com  2007-02-06 22:51 -------
Jared,
What frequency is set for your FSB? is it 266/1066 or something else?
Some people reported that they see such frequency values from BIOS if they (or 
mainboard manufacturer) overclocked the FSB. Could you check if you see right 
values if the FSB is set to default above? 

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[Bug 7866] cpufreq fails to correctly identify Intel Conroe operating frequencies

[bugme-daemon]

http://bugzilla.kernel.org/show_bug.cgi?id=7866

jared@jaredcam.net changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
     Kernel Version|2.6.20-rc5                  |2.6.20



------- Additional Comments From jared@jaredcam.net  2007-02-06 15:47 -------
I've updated to 2.6.20 final and I'm still having the same problem.

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[Bug 7866] cpufreq fails to correctly identify Intel Conroe operating frequencies

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http://bugzilla.kernel.org/show_bug.cgi?id=7866





------- Additional Comments From jared@jaredcam.net  2007-01-23 15:20 -------
Created an attachment (id=10167)
 --> (http://bugzilla.kernel.org/attachment.cgi?id=10167&action=view)
result of acpidump

Here is the output of acpidump

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[Bug 7866] cpufreq fails to correctly identify Intel Conroe operating frequencies

[bugme-daemon]

http://bugzilla.kernel.org/show_bug.cgi?id=7866

luming.yu@intel.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |acpi-
                   |                            |bugzilla@lists.sourceforge.n
                   |                            |et



------- Additional Comments From luming.yu@intel.com  2007-01-23 00:15 -------
Please post acpidump output

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