On Sat, May 11, 2013 at 3:02 PM, <bugzilla-daemon@xxxxxxxxxxxxxxxxxxx> wrote: > https://bugzilla.kernel.org/show_bug.cgi?id=58001 > > Summary: "ondemand" CPU governor never raises frequency (Dell > XPS 12) > Product: Power Management > Version: 2.5 > Kernel Version: 3.8.11-200.fc18.x86_64 > Platform: All > OS/Version: Linux > Tree: Mainline > Status: NEW > Severity: normal > Priority: P1 > Component: cpufreq > AssignedTo: cpufreq@xxxxxxxxxxxxxxx > ReportedBy: jylefort@xxxxxxxxx > Regression: No > > > On a Dell XPS 12 (Intel Core i7-3537U), I experience exactly the same symptoms > as in bug #14771, except it has nothing to do with the power supply: I'm using > the stock power supply, and the problematic behavior is observed both on > battery and on AC power. > > If I keep the default settings, the CPU frequency never goes beyond the 800 MHz > minimum, regardless of the CPU load. > > If I decrease /sys/devices/system/cpu/cpufreq/ondemand/up_threshold from the > default value of 95 to 75, then the processors dynamically switch back and > forth from 800 MHz to 2 GHz according to CPU load. It sort of means system isn't loaded well :) Can you paste/attach output of cpufreq-info? -- To unsubscribe from this list: send the line "unsubscribe cpufreq" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
