Ivan Klymenko
2015-May-22 07:42 UTC
CPU frequency doesn't drop below 1200MHz (like it used to)
Fri, 22 May 2015 09:33:15 +0200 Nikos Vassiliadis <nvass at gmx.com> ???????:> Hi, > > I just noticed that my CPU's frequency doesn't support dropping > below 1200MHz. It used to be able to go down to 150MHz, if I am > not mistaken. I'd like it to go down to 600MHz via powerd, like > it used to go. This is a month's old 10-STABLE. > > > [nik at moby ~]$ sysctl dev.cpu.0.freq_levels > > dev.cpu.0.freq_levels: 2400/35000 2300/32872 2200/31127 2100/29417 > > 2000/27740 1900/26096 1800/24490 1700/22588 1600/21045 1500/19534 > > 1400/18055 1300/16611 1200/15194 > > This is the CPU: > > hw.model: Intel(R) Core(TM) i3-3110M CPU @ 2.40GHz > > Thanks in advance for any ideas, > NikosTry changing the options in /boot/device.hints hint.acpi_throttle.0.disabled="0" hint.p4tcc.0.disabled="0"
Nikos Vassiliadis
2015-May-22 11:57 UTC
CPU frequency doesn't drop below 1200MHz (like it used to)
On 05/22/15 09:42, Ivan Klymenko wrote:> Try changing the options in /boot/device.hints > hint.acpi_throttle.0.disabled="0" > hint.p4tcc.0.disabled="0"Thanks Ivan, now it works as it did before!
Kimmo Paasiala
2015-May-22 13:28 UTC
CPU frequency doesn't drop below 1200MHz (like it used to)
On Fri, May 22, 2015 at 10:42 AM, Ivan Klymenko <fidaj at ukr.net> wrote:> Fri, 22 May 2015 09:33:15 +0200 > Nikos Vassiliadis <nvass at gmx.com> ???????: > >> Hi, >> >> I just noticed that my CPU's frequency doesn't support dropping >> below 1200MHz. It used to be able to go down to 150MHz, if I am >> not mistaken. I'd like it to go down to 600MHz via powerd, like >> it used to go. This is a month's old 10-STABLE. >> >> > [nik at moby ~]$ sysctl dev.cpu.0.freq_levels >> > dev.cpu.0.freq_levels: 2400/35000 2300/32872 2200/31127 2100/29417 >> > 2000/27740 1900/26096 1800/24490 1700/22588 1600/21045 1500/19534 >> > 1400/18055 1300/16611 1200/15194 >> >> This is the CPU: >> > hw.model: Intel(R) Core(TM) i3-3110M CPU @ 2.40GHz >> >> Thanks in advance for any ideas, >> Nikos > > Try changing the options in /boot/device.hints > hint.acpi_throttle.0.disabled="0" > hint.p4tcc.0.disabled="0"Thanks, those also fixed powerd(8) for me that stopped working after upgrading to stable/10 from releng/10.1. Why are those setting suddenly needed now? -Kimmo