https://bugzilla.kernel.org/show_bug.cgi?id=77201 --- Comment #59 from Viresh Kumar <viresh.kumar@xxxxxxxxxx> --- (In reply to Mauro from comment #58) > Not much luck with this approach I'm afraid. I have compiled your updated > branch with no reverts and changed the config to include only the userspace > governor. > > Then proceeded to test as before: > cat /proc/kmsg & > echo 800000 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed > echo 0 > /sys/devices/system/cpu/cpu1/online > echo 1 > /sys/devices/system/cpu/cpu1/online > echo 1800000 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed > echo 2200000 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed > > When trying to change the frequency to 2.2GHz the machine becomes > unresponsive and there is no output :( Were you getting a lot of prints during earlier frequency transitions? Its awkward as we were getting enough prints earlier, what happened now ? > I have noticed something that may or may not be important, it doesn't matter > if I do > 800M - cpu offline/online - 1.8G - 2.2G > or > 800M - cpu offline/online - 2.2G - 1.8G > > The machine always becomes unresponsive when trying to do the second > frequency change after cpu offline/online. This surely is a important observation. > I have pictures of the process, I > can attach them if you think they are important, but like I said when the > machine hangs there is zero output :( Still I want to see how bad it is now, just attach them :) -- You are receiving this mail because: You are the assignee for the bug. -- 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
