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Message-ID: <1996399.buoKlNI5nG@merkaba> Date: Mon, 09 Jun 2014 23:24:54 +0200 From: Martin Steigerwald <Martin@...htvoll.de> To: linux-kernel@...r.kernel.org Subject: [REGRESSION] 3.15: Seems to turbo mode Intel Sandybridge Dual Core without need, overheating CPU Hi! I get: Jun 9 22:41:32 merkaba kernel: [39978.006479] CPU0: Package temperature/speed normal Jun 9 22:41:32 merkaba kernel: [39978.006481] CPU3: Package temperature/speed normal Jun 9 22:41:32 merkaba kernel: [39978.006482] CPU2: Package temperature/speed normal Jun 9 22:41:32 merkaba kernel: [39978.006487] CPU1: Package temperature/speed normal Jun 9 22:44:02 merkaba kernel: [40127.673372] CPU2: Core temperature above threshold, cpu clock throttled (total events = 56554) Jun 9 22:44:02 merkaba kernel: [40127.673383] CPU3: Core temperature above threshold, cpu clock throttled (total events = 56554) Jun 9 22:44:02 merkaba kernel: [40127.674313] CPU3: Core temperature/speed normal Jun 9 22:44:02 merkaba kernel: [40127.674352] CPU2: Core temperature/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 temperature/speed normal Jun 9 22:46:32 merkaba kernel: [40278.054572] CPU3: Package temperature/speed normal Jun 9 22:46:32 merkaba kernel: [40278.054574] CPU2: Package temperature/speed normal Jun 9 22:46:32 merkaba kernel: [40278.054578] CPU1: Package temperature/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 temperature/speed normal Jun 9 22:51:32 merkaba kernel: [40578.103633] CPU0: Package temperature/speed normal Jun 9 22:51:32 merkaba kernel: [40578.103638] CPU2: Package temperature/speed normal Jun 9 22:51:32 merkaba kernel: [40578.103639] CPU1: Package temperature/speed normal Jun 9 22:56:32 merkaba kernel: [40878.174734] CPU1: Package temperature above threshold, cpu clock throttled (total events = 152620) Jun 9 22:56:32 merkaba kernel: [40878.174737] CPU0: Package temperature above threshold, cpu clock throttled (total events = 152620) Jun 9 22:56:32 merkaba kernel: [40878.174742] CPU3: Package temperature above threshold, cpu clock throttled (total events = 152620) Jun 9 22:56:32 merkaba kernel: [40878.174744] CPU2: Package temperature above threshold, cpu clock throttled (total events = 152620) Jun 9 22:56:32 merkaba kernel: [40878.176744] CPU3: Package temperature/speed normal Jun 9 22:56:32 merkaba kernel: [40878.176746] CPU2: Package temperature/speed normal Jun 9 22:56:32 merkaba kernel: [40878.176748] CPU1: Package temperature/speed normal Jun 9 22:56:32 merkaba kernel: [40878.176749] CPU0: Package temperature/speed normal Jun 9 22:59:11 merkaba kernel: [41037.278705] CPU3: Core temperature/speed normal Jun 9 22:59:11 merkaba kernel: [41037.278707] CPU2: Core temperature/speed normal Jun 9 23:01:32 merkaba kernel: [41178.225837] CPU2: Package temperature above threshold, cpu clock throttled (total events = 177343) Jun 9 23:01:32 merkaba kernel: [41178.225841] CPU0: Package temperature above threshold, cpu clock throttled (total events = 177343) Jun 9 23:01:32 merkaba kernel: [41178.225843] CPU3: Package temperature above threshold, cpu clock throttled (total events = 177343) Jun 9 23:01:32 merkaba kernel: [41178.225845] CPU1: Package temperature above threshold, cpu clock throttled (total events = 177343) Jun 9 23:01:32 merkaba kernel: [41178.237850] CPU1: Package temperature/speed normal Jun 9 23:01:32 merkaba kernel: [41178.237853] CPU2: Package temperature/speed normal Jun 9 23:01:32 merkaba kernel: [41178.237855] CPU0: Package temperature/speed normal Jun 9 23:01:32 merkaba kernel: [41178.237856] CPU3: Package temperature/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 temperature above threshold, cpu clock throttled (total events = 204756) Jun 9 23:06:32 merkaba kernel: [41478.291926] CPU0: Package temperature above threshold, cpu clock throttled (total events = 204756) Jun 9 23:06:32 merkaba kernel: [41478.291946] CPU3: Package temperature above threshold, cpu clock throttled (total events = 204756) Jun 9 23:06:32 merkaba kernel: [41478.291950] CPU2: Package temperature above threshold, cpu clock throttled (total events = 204756) Jun 9 23:11:32 merkaba kernel: [41778.341992] CPU3: Package temperature/speed normal Jun 9 23:11:32 merkaba kernel: [41778.341995] CPU0: Package temperature/speed normal Jun 9 23:11:32 merkaba kernel: [41778.341996] CPU1: Package temperature/speed normal Jun 9 23:11:32 merkaba kernel: [41778.341997] CPU2: Package temperature/speed normal And this: merkaba:~> sensors acpitz-virtual-0 Adapter: Virtual device temp1: +96.0°C (crit = +98.0°C) coretemp-isa-0000 Adapter: ISA adapter Physical id 0: +98.0°C (high = +86.0°C, crit = +100.0°C) Core 0: +96.0°C (high = +86.0°C, crit = +100.0°C) Core 1: +96.0°C (high = +86.0°C, crit = +100.0°C) thinkpad-isa-0000 Adapter: ISA adapter fan1: 3580 RPM merkaba:~> acpi -t Thermal 0: ok, 96.0 degrees C On martin@...kaba:~> phoronix-test-suite system-info Phoronix Test Suite v4.8.3 System Information Hardware: Processor: Intel Core i5-2520M @ 3.20GHz (4 Cores), Motherboard: LENOVO 42433WG, Chipset: Intel 2nd Generation Core Family DRAM, Memory: 8192MB, 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 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, OpenGL: 3.1 Mesa 10.1.4, Compiler: GCC 4.8, File-System: btrfs, Screen Resolution: 1920x1080 during playing PlaneShift with Intel gfx. I get the impression that Intel P-State driver turbo modes all of the cores needlessly *and* permanently once this condition is triggered. Usually temperature is just about 55-60 degree celsius. But not at maximum. I see this: merkaba:/sys/devices/system/cpu> grep . cpu[0-3]/cpufreq/cpuinfo_cur_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 Without that much work to do: merkaba:~> mpstat -P ALL 10 Linux 3.15.0-tp520 (merkaba) 09.06.2014 _x86_64_ (4 CPU) 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 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 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 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 Will reboot now to see whether it resets that condition. Didn´t happen during the whole day. But seems to happen after a while of playing PlaneShift. Any hints? Thanks, -- Martin 'Helios' Steigerwald - http://www.Lichtvoll.de GPG: 03B0 0D6C 0040 0710 4AFA B82F 991B EAAC A599 84C7 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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