From mboxrd@z Thu Jan 1 00:00:00 1970
From: bugzilla-daemon@bugzilla.kernel.org
Subject: [Bug 50721] CPU freqs stay stuck at max after reboot with on-demand
governor set - i7-2630QM
Date: Mon, 14 Jan 2013 01:26:38 +0000 (UTC)
Message-ID: <20130114012638.49AE311F98D@bugzilla.kernel.org>
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https://bugzilla.kernel.org/show_bug.cgi?id=50721
--- Comment #11 from rocko 2013-01-14 01:26:38 ---
No, the command doesn't work. I ran into the issue again with 3.7.2, and
although the command does set scaling_max_frequency to equal
scaling_min_frequency, turbostat still shows the core running at a much higher
frequency:
root@sierra:/sys/devices/system/cpu/cpu0/cpufreq# cat scaling_min_freq >
scaling_max_freq
root@sierra:/sys/devices/system/cpu/cpu0/cpufreq# cat scaling_max_freq
800000
root@sierra:/sys/devices/system/cpu/cpu0/cpufreq# turbostat
cor CPU %c0 GHz TSC %c1 %c3 %c6 %c7 %pc2 %pc3 %pc6
%pc7
0.54 2.04 1.99 0.99 0.04 0.00 98.44 0.00 0.00 0.00
0.00
0 0 1.09 2.00 1.99 0.78 0.06 0.00 98.06 0.00 0.00 0.00
0.00
0 1 0.04 1.99 1.99 1.83
1 2 0.52 2.00 1.99 0.38 0.00 0.00 99.10
1 3 0.08 1.99 1.99 0.81
2 4 1.14 2.17 1.99 0.26 0.01 0.00 98.59
2 5 0.01 1.99 1.99 1.39
3 6 1.42 1.99 1.99 0.51 0.07 0.00 98.00
3 7 0.01 2.00 1.99 1.91
cor CPU %c0 GHz TSC %c1 %c3 %c6 %c7 %pc2 %pc3 %pc6
%pc7
0.31 2.01 1.99 0.70 0.02 0.00 98.97 0.00 0.00 0.00
0.00
0 0 0.92 1.99 1.99 0.68 0.03 0.00 98.37 0.00 0.00 0.00
0.00
0 1 0.02 1.99 1.99 1.58
1 2 0.27 1.99 1.99 0.36 0.00 0.00 99.37
1 3 0.10 1.99 1.99 0.53
2 4 0.57 2.05 1.99 0.15 0.01 0.00 99.27
2 5 0.01 2.00 1.99 0.71
3 6 0.47 1.99 1.99 0.64 0.02 0.00 98.87
3 7 0.12 1.99 1.99 0.99
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