From mboxrd@z Thu Jan 1 00:00:00 1970 From: Martin Steigerwald Subject: Re: [REGRESSION] 3.15: Seems to turbo mode Intel Sandybridge Dual Core without need, overheating CPU Date: Mon, 09 Jun 2014 23:41:40 +0200 Message-ID: <4677478.c1YrKzctMH@merkaba> References: <1996399.buoKlNI5nG@merkaba> <13232691.DxAv2jorp8@merkaba> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from mondschein.lichtvoll.de ([194.150.191.11]:42329 "EHLO mail.lichtvoll.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753913AbaFIVlt convert rfc822-to-8bit (ORCPT ); Mon, 9 Jun 2014 17:41:49 -0400 In-Reply-To: <13232691.DxAv2jorp8@merkaba> Sender: linux-pm-owner@vger.kernel.org List-Id: linux-pm@vger.kernel.org To: linux-kernel@vger.kernel.org Cc: linux-pm@vger.kernel.org Am Montag, 9. Juni 2014, 23:33:43 schrieb Martin Steigerwald: > Hi! >=20 > Added linux-pm to Cc. Also reboots seems to fix up the condition: >=20 > merkaba:~> grep . /sys/devices/system/cpu/cpu[0-3]/cpufreq/cpuinfo_cu= r_freq > /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_cur_freq:830957 > /sys/devices/system/cpu/cpu1/cpufreq/cpuinfo_cur_freq:819628 > /sys/devices/system/cpu/cpu2/cpufreq/cpuinfo_cur_freq:800000 > /sys/devices/system/cpu/cpu3/cpufreq/cpuinfo_cur_freq:813476 > merkaba:~> sensors = =20 > acpitz-virtual-0 > Adapter: Virtual device > temp1: +71.0=B0C (crit =3D +98.0=B0C) >=20 > coretemp-isa-0000 > Adapter: ISA adapter > Physical id 0: +71.0=B0C (high =3D +86.0=B0C, crit =3D +100.0=B0C) > Core 0: +70.0=B0C (high =3D +86.0=B0C, crit =3D +100.0=B0C) > Core 1: +71.0=B0C (high =3D +86.0=B0C, crit =3D +100.0=B0C) >=20 > thinkpad-isa-0000 > Adapter: ISA adapter > fan1: 3137 R >=20 >=20 > Still hot in here and after reboot and login into KDE session there i= s quite > some CPU activity for a while. >=20 > But way better than before. >=20 > I can test whether this also happens with ACPI cpufreq driver. >=20 > I think I didn=B4t see this with 3.14. Its not just me: Please change intel_pstate default to disable https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1188647 >=20 >=20 >=20 > Am Montag, 9. Juni 2014, 23:24:54 schrieb Martin Steigerwald: > > Hi! > >=20 > > I get: > >=20 > > Jun 9 22:41:32 merkaba kernel: [39978.006479] CPU0: Package temper= ature/speed normal > > Jun 9 22:41:32 merkaba kernel: [39978.006481] CPU3: Package temper= ature/speed normal > > Jun 9 22:41:32 merkaba kernel: [39978.006482] CPU2: Package temper= ature/speed normal > > Jun 9 22:41:32 merkaba kernel: [39978.006487] CPU1: Package temper= ature/speed normal > > Jun 9 22:44:02 merkaba kernel: [40127.673372] CPU2: Core temperatu= re above threshold, cpu clock throttled (total events =3D 56554) > > Jun 9 22:44:02 merkaba kernel: [40127.673383] CPU3: Core temperatu= re above threshold, cpu clock throttled (total events =3D 56554) > > Jun 9 22:44:02 merkaba kernel: [40127.674313] CPU3: Core temperatu= re/speed normal > > Jun 9 22:44:02 merkaba kernel: [40127.674352] CPU2: Core temperatu= re/speed normal > > Jun 9 22:45:21 merkaba kernel: [40207.302287] mce: [Hardware Error= ]: Machine check events logged > > Jun 9 22:46:32 merkaba kernel: [40278.054568] CPU0: Package temper= ature/speed normal > > Jun 9 22:46:32 merkaba kernel: [40278.054572] CPU3: Package temper= ature/speed normal > > Jun 9 22:46:32 merkaba kernel: [40278.054574] CPU2: Package temper= ature/speed normal > > Jun 9 22:46:32 merkaba kernel: [40278.054578] CPU1: Package temper= ature/speed normal > > Jun 9 22:48:06 merkaba kernel: [40371.570654] perf interrupt took = too long (19348 > 17857), lowering kernel.perf_event_max_sample_rate to= 7000 > > Jun 9 22:51:32 merkaba kernel: [40578.103629] CPU3: Package temper= ature/speed normal > > Jun 9 22:51:32 merkaba kernel: [40578.103633] CPU0: Package temper= ature/speed normal > > Jun 9 22:51:32 merkaba kernel: [40578.103638] CPU2: Package temper= ature/speed normal > > Jun 9 22:51:32 merkaba kernel: [40578.103639] CPU1: Package temper= ature/speed normal > > Jun 9 22:56:32 merkaba kernel: [40878.174734] CPU1: Package temper= ature above threshold, cpu clock throttled (total events =3D 152620) > > Jun 9 22:56:32 merkaba kernel: [40878.174737] CPU0: Package temper= ature above threshold, cpu clock throttled (total events =3D 152620) > > Jun 9 22:56:32 merkaba kernel: [40878.174742] CPU3: Package temper= ature above threshold, cpu clock throttled (total events =3D 152620) > > Jun 9 22:56:32 merkaba kernel: [40878.174744] CPU2: Package temper= ature above threshold, cpu clock throttled (total events =3D 152620) > > Jun 9 22:56:32 merkaba kernel: [40878.176744] CPU3: Package temper= ature/speed normal > > Jun 9 22:56:32 merkaba kernel: [40878.176746] CPU2: Package temper= ature/speed normal > > Jun 9 22:56:32 merkaba kernel: [40878.176748] CPU1: Package temper= ature/speed normal > > Jun 9 22:56:32 merkaba kernel: [40878.176749] CPU0: Package temper= ature/speed normal > > Jun 9 22:59:11 merkaba kernel: [41037.278705] CPU3: Core temperatu= re/speed normal > > Jun 9 22:59:11 merkaba kernel: [41037.278707] CPU2: Core temperatu= re/speed normal > > Jun 9 23:01:32 merkaba kernel: [41178.225837] CPU2: Package temper= ature above threshold, cpu clock throttled (total events =3D 177343) > > Jun 9 23:01:32 merkaba kernel: [41178.225841] CPU0: Package temper= ature above threshold, cpu clock throttled (total events =3D 177343) > > Jun 9 23:01:32 merkaba kernel: [41178.225843] CPU3: Package temper= ature above threshold, cpu clock throttled (total events =3D 177343) > > Jun 9 23:01:32 merkaba kernel: [41178.225845] CPU1: Package temper= ature above threshold, cpu clock throttled (total events =3D 177343) > > Jun 9 23:01:32 merkaba kernel: [41178.237850] CPU1: Package temper= ature/speed normal > > Jun 9 23:01:32 merkaba kernel: [41178.237853] CPU2: Package temper= ature/speed normal > > Jun 9 23:01:32 merkaba kernel: [41178.237855] CPU0: Package temper= ature/speed normal > > Jun 9 23:01:32 merkaba kernel: [41178.237856] CPU3: Package temper= ature/speed normal > > Jun 9 23:01:36 merkaba kernel: [41182.452403] mce: [Hardware Error= ]: Machine check events logged > > Jun 9 23:06:32 merkaba kernel: [41478.291923] CPU1: Package temper= ature above threshold, cpu clock throttled (total events =3D 204756) > > Jun 9 23:06:32 merkaba kernel: [41478.291926] CPU0: Package temper= ature above threshold, cpu clock throttled (total events =3D 204756) > > Jun 9 23:06:32 merkaba kernel: [41478.291946] CPU3: Package temper= ature above threshold, cpu clock throttled (total events =3D 204756) > > Jun 9 23:06:32 merkaba kernel: [41478.291950] CPU2: Package temper= ature above threshold, cpu clock throttled (total events =3D 204756) > > Jun 9 23:11:32 merkaba kernel: [41778.341992] CPU3: Package temper= ature/speed normal > > Jun 9 23:11:32 merkaba kernel: [41778.341995] CPU0: Package temper= ature/speed normal > > Jun 9 23:11:32 merkaba kernel: [41778.341996] CPU1: Package temper= ature/speed normal > > Jun 9 23:11:32 merkaba kernel: [41778.341997] CPU2: Package temper= ature/speed normal > >=20 > >=20 > > And this: > >=20 > > merkaba:~> sensors > > acpitz-virtual-0 > > Adapter: Virtual device > > temp1: +96.0=B0C (crit =3D +98.0=B0C) > >=20 > > coretemp-isa-0000 > > Adapter: ISA adapter > > Physical id 0: +98.0=B0C (high =3D +86.0=B0C, crit =3D +100.0=B0C= ) > > Core 0: +96.0=B0C (high =3D +86.0=B0C, crit =3D +100.0=B0C= ) > > Core 1: +96.0=B0C (high =3D +86.0=B0C, crit =3D +100.0=B0C= ) > >=20 > > thinkpad-isa-0000 > > Adapter: ISA adapter > > fan1: 3580 RPM > >=20 > > merkaba:~> acpi -t > > Thermal 0: ok, 96.0 degrees C > >=20 > >=20 > > On > >=20 > > martin@merkaba:~> phoronix-test-suite system-info > >=20 > > Phoronix Test Suite v4.8.3 > > System Information > >=20 > > Hardware: > > Processor: Intel Core i5-2520M @ 3.20GHz (4 Cores), Motherboard: LE= NOVO 42433WG, Chipset: Intel 2nd Generation Core Family DRAM, Memory: 8= 192MB, Disk: 300GB INTEL SSDSA2CW30 + 480GB Crucial_CT480M50, Graphics:= Intel HD 3000 (1300MHz), Audio: Intel 6 /C200, Network: Intel 82579LM = Gigabit Connection + Intel Centrino Advanced-N 6205 > >=20 > > Software: > > OS: Debian unstable, Kernel: 3.15.0-tp520 (x86_64), Desktop: KDE 4.= 13.1, Display Server: X Server 1.15.1, Display Driver: intel 2.21.15, O= penGL: 3.1 Mesa 10.1.4, Compiler: GCC 4.8, File-System: btrfs, Screen R= esolution: 1920x1080 > >=20 > >=20 > > during playing PlaneShift with Intel gfx. > >=20 > >=20 > > I get the impression that Intel P-State driver turbo modes all of t= he cores > > needlessly *and* permanently once this condition is triggered. Usua= lly > > temperature is just about 55-60 degree celsius. But not at maximum. > >=20 > >=20 > > I see this: > >=20 > > merkaba:/sys/devices/system/cpu> grep . cpu[0-3]/cpufreq/cpuinfo_cu= r_freq > > cpu0/cpufreq/cpuinfo_cur_freq:3015917 > > cpu1/cpufreq/cpuinfo_cur_freq:3008984 > > cpu2/cpufreq/cpuinfo_cur_freq:3000000 > > cpu3/cpufreq/cpuinfo_cur_freq:3000000 > >=20 > >=20 > > Without that much work to do: > >=20 > > merkaba:~> mpstat -P ALL 10 > > Linux 3.15.0-tp520 (merkaba) 09.06.2014 _x86_64_ (4 = CPU) > >=20 > > 23:21:42 CPU %usr %nice %sys %iowait %irq %soft %= steal %guest %gnice %idle > > 23:21:52 all 15,61 0,00 2,68 10,33 0,15 0,00 = 0,00 0,00 0,00 71,23 > > 23:21:52 0 25,70 0,00 4,22 22,59 0,30 0,00 = 0,00 0,00 0,00 47,19 > > 23:21:52 1 20,02 0,00 1,80 14,71 0,10 0,00 = 0,00 0,00 0,00 63,36 > > 23:21:52 2 10,14 0,00 2,61 3,01 0,10 0,00 = 0,00 0,00 0,00 84,14 > > 23:21:52 3 6,63 0,00 2,11 0,80 0,10 0,00 = 0,00 0,00 0,00 90,36 > >=20 > > 23:21:52 CPU %usr %nice %sys %iowait %irq %soft %= steal %guest %gnice %idle > > 23:22:02 all 14,19 0,00 2,26 10,93 0,13 0,00 = 0,00 0,00 0,00 72,50 > > 23:22:02 0 32,26 0,00 4,01 31,86 0,20 0,00 = 0,00 0,00 0,00 31,66 > > 23:22:02 1 12,11 0,00 1,30 8,51 0,10 0,00 = 0,00 0,00 0,00 77,98 > > 23:22:02 2 8,12 0,00 2,21 2,91 0,10 0,00 = 0,00 0,00 0,00 86,66 > > 23:22:02 3 4,31 0,00 1,60 0,40 0,10 0,00 = 0,00 0,00 0,00 93,59 > >=20 > > 23:22:02 CPU %usr %nice %sys %iowait %irq %soft %= steal %guest %gnice %idle > > 23:22:12 all 25,33 0,03 2,63 9,00 0,15 0,00 = 0,00 0,00 0,00 62,87 > > 23:22:12 0 35,71 0,00 4,01 19,56 0,20 0,00 = 0,00 0,00 0,00 40,52 > > 23:22:12 1 27,43 0,00 1,90 10,61 0,20 0,00 = 0,00 0,00 0,00 59,86 > > 23:22:12 2 22,14 0,10 2,40 4,41 0,10 0,00 = 0,00 0,00 0,00 70,84 > > 23:22:12 3 15,96 0,10 2,21 1,41 0,10 0,00 = 0,00 0,00 0,00 80,22 > >=20 > > 23:22:12 CPU %usr %nice %sys %iowait %irq %soft %= steal %guest %gnice %idle > > 23:22:22 all 27,90 0,03 3,94 8,87 0,33 0,00 = 0,00 0,00 0,00 58,94 > > 23:22:22 0 36,77 0,00 5,81 20,74 0,90 0,00 = 0,00 0,00 0,00 35,77 > > 23:22:22 1 28,99 0,00 2,41 10,13 0,10 0,00 = 0,00 0,00 0,00 58,38 > > 23:22:22 2 25,48 0,00 3,81 3,21 0,20 0,00 = 0,00 0,00 0,00 67,30 > > 23:22:22 3 20,34 0,00 3,71 1,40 0,20 0,00 = 0,00 0,00 0,00 74,35 > >=20 > >=20 > >=20 > > Will reboot now to see whether it resets that condition. Didn=B4t h= appen during the whole > > day. > >=20 > > But seems to happen after a while of playing PlaneShift. > >=20 > > Any hints? >=20 > Thanks, >=20 --=20 Martin 'Helios' Steigerwald - http://www.Lichtvoll.de GPG: 03B0 0D6C 0040 0710 4AFA B82F 991B EAAC A599 84C7