严重过热-如何停止？
我有一台 ThinkPad T430，在 Ubuntu 14.10 上运行 Intel® Core™ i5-3320M CPU @ 2.60GHz × 4 (IvyBridge)。
几周前我重新安装了 Ubuntu。虽然我一直认为我的笔记本比我想象的要热，但我注意到它CPU 负载很低时温度非常高。您将在下面看到此行为的详细描述。
我这里可能遇到了硬件问题。但由于 CPU在 Windows 上不会太热（通常在 55 到 70 °C 之间），Ubuntu 上的配置一定存在错误。什么可能导致这种明显糟糕的 CPU 控制？
行为
以下截图是用 PSensors 拍摄的。我的两个物理核心的温度是灰色的（左侧缩放）。CPU 负载为黄色的，风扇转速紫色。请注意，风扇转速和CPU负载曲线是相对的！这意味着最高点的值是下面列出的相应最大值，最低点的值是下面列出的相应最小值。因此，第一张图片中的风扇速度似乎比第二张图片中的高，但之后再也没有像第一张图片中那样低了。
一张图总是十分钟过去了。前三张截图有一点重叠。
开机后前十分钟
仅通过 Nuvola Player 听音乐，不使用 PC。注意温度如何不断升高，而 CPU 负载始终很低。最后达到103°C！该处理器的最大值为 105°C…
kidle_inject 开始起作用
仍然只听音乐。由于 CPU 几乎达到其最高温度kidle_inject。1强制 CPU 冷却下来。请注意，任何额外的 CPU 负载都完全归因于kidle_inject！
在2，kidle_inject每个核心注入超过 70% 的空闲时间！系统开始不时冻结，变得非常难以使用。
进一步的发展
我开始使用 Firefox 来写这个问题，另外也是为了听音乐。
3 kidle_inject离开。CPU 再次快速升温。
4不到 2 分钟，kidle_injectCPU 速度就再次降低，因为温度再次达到了 102°C。
5 kidle_inject再次离开。但没过多久。
等等…
大约15分钟后
又过了20分钟。kidle_injects现在不断注入空闲时间。
传输层协议
我使用 TLP。以下是 的输出tlp-stat：
--- TLP 0.7 --------------------------------------------
+++ Configured Settings: /etc/default/tlp
TLP_ENABLE=1
DISK_IDLE_SECS_ON_AC=0
DISK_IDLE_SECS_ON_BAT=2
MAX_LOST_WORK_SECS_ON_AC=15
MAX_LOST_WORK_SECS_ON_BAT=60
CPU_MIN_PERF_ON_AC=0
CPU_MAX_PERF_ON_AC=100
CPU_MIN_PERF_ON_BAT=0
CPU_MAX_PERF_ON_BAT=70
CPU_BOOST_ON_AC=1
CPU_BOOST_ON_BAT=0
SCHED_POWERSAVE_ON_AC=0
SCHED_POWERSAVE_ON_BAT=1
NMI_WATCHDOG=0
ENER0GY_PERF_POLICY_ON_AC=performance
ENERGY_PERF_POLICY_ON_BAT=powersave
DISK_DEVICES="sda sdb"
DISK_APM_LEVEL_ON_AC="254 254"
DISK_APM_LEVEL_ON_BAT="128 128"
SATA_LINKPWR_ON_AC=max_performance
SATA_LINKPWR_ON_BAT=min_power
PCIE_ASPM_ON_AC=performance
PCIE_ASPM_ON_BAT=powersave
RADEON_POWER_PROFILE_ON_AC=high
RADEON_POWER_PROFILE_ON_BAT=low
RADEON_DPM_STATE_ON_AC=performance
RADEON_DPM_STATE_ON_BAT=battery
RADEON_DPM_PERF_LEVEL_ON_AC=auto
RADEON_DPM_PERF_LEVEL_ON_BAT=auto
WIFI_PWR_ON_AC=1
WIFI_PWR_ON_BAT=1
WOL_DISABLE=Y
SOUND_POWER_SAVE_ON_AC=0
SOUND_POWER_SAVE_ON_BAT=1
SOUND_POWER_SAVE_CONTROLLER=Y
BAY_POWEROFF_ON_BAT=1
BAY_DEVICE="sr0"
RUNTIME_PM_ON_AC=on
RUNTIME_PM_ON_BAT=auto
RUNTIME_PM_ALL=1
RUNTIME_PM_DRIVER_BLACKLIST="radeon nouveau"
USB_AUTOSUSPEND=1
USB_DRIVER_BLACKLIST="usbhid"
USB_BLACKLIST_WWAN=1
DEVICES_TO_ENABLE_ON_STARTUP="wifi wwan"
+++ System Info
System = LENOVO ThinkPad T430 2349D15
BIOS = G1ETA7WW (2.67 )
Release = Ubuntu 14.10
Kernel = 3.16.0-31-generic x86_64
/proc/cmdline = BOOT_IMAGE=/boot/vmlinuz-3.16.0-31-generic.efi.signed root=UUID=11551b6e-b22d-49fc-a853-9bbc0bd06294 ro quiet splash vt.handoff=7
Init system = upstart
+++ System Status
TLP power save = enabled
power source = ac
+++ Processor
CPU Model = Intel(R) Core(TM) i5-3320M CPU @ 2.60GHz
/sys/devices/system/cpu/cpu0/cpufreq/scaling_driver = intel_pstate
/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor = powersave
/sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq = 1200000 [kHz]
/sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq = 1320000 [kHz]
/sys/devices/system/cpu/cpu1/cpufreq/scaling_driver = intel_pstate
/sys/devices/system/cpu/cpu1/cpufreq/scaling_governor = powersave
/sys/devices/system/cpu/cpu1/cpufreq/scaling_min_freq = 1200000 [kHz]
/sys/devices/system/cpu/cpu1/cpufreq/scaling_max_freq = 1320000 [kHz]
/sys/devices/system/cpu/cpu2/cpufreq/scaling_driver = intel_pstate
/sys/devices/system/cpu/cpu2/cpufreq/scaling_governor = powersave
/sys/devices/system/cpu/cpu2/cpufreq/scaling_min_freq = 1200000 [kHz]
/sys/devices/system/cpu/cpu2/cpufreq/scaling_max_freq = 1320000 [kHz]
/sys/devices/system/cpu/cpu3/cpufreq/scaling_driver = intel_pstate
/sys/devices/system/cpu/cpu3/cpufreq/scaling_governor = powersave
/sys/devices/system/cpu/cpu3/cpufreq/scaling_min_freq = 1200000 [kHz]
/sys/devices/system/cpu/cpu3/cpufreq/scaling_max_freq = 1320000 [kHz]
/sys/devices/system/cpu/intel_pstate/min_perf_pct = 36
/sys/devices/system/cpu/intel_pstate/max_perf_pct = 0
/sys/devices/system/cpu/intel_pstate/no_turbo = 1
x86_energy_perf_policy.cpu0 = performance
x86_energy_perf_policy.cpu1 = performance
x86_energy_perf_policy.cpu2 = performance
x86_energy_perf_policy.cpu3 = performance
/proc/sys/kernel/nmi_watchdog = 0
+++ Undervolting
PHC kernel not available.
+++ Temperatures
CPU temp = 84 [°C]
/proc/acpi/ibm/fan = 4562 [/min]
+++ File System
/proc/sys/vm/laptop_mode = 0
/proc/sys/vm/dirty_writeback_centisecs = 1500
/proc/sys/vm/dirty_expire_centisecs = 1500
/proc/sys/vm/dirty_ratio = 20
/proc/sys/vm/dirty_background_ratio = 10
/proc/sys/fs/xfs/age_buffer_centisecs = (not available)
/proc/sys/fs/xfs/xfssyncd_centisecs = (not available)
/proc/sys/fs/xfs/xfsbufd_centisecs = (not available)
+++ Storage Devices
/dev/sda:
Model = SAMSUNG SSD 830 Series
Firmware = CXM03B1Q
APM Level = none/disabled
Status = active/idle
TRIM = supported
Scheduler = deadline
SMART info:
5 Reallocated_Sector_Ct = 0
9 Power_On_Hours = 5066 [h]
177 Wear_Leveling_Count = 96 [%]
179 Used_Rsvd_Blk_Cnt_Tot = 0
190 Airflow_Temperature_Cel = 44 [°C]
241 Total_LBAs_Written = 6.501 [TB]
+++ SATA Aggressive Link Power Management
/sys/class/scsi_host/host0/link_power_management_policy = max_performance
/sys/class/scsi_host/host1/link_power_management_policy = max_performance
/sys/class/scsi_host/host2/link_power_management_policy = max_performance
/sys/class/scsi_host/host3/link_power_management_policy = max_performance
/sys/class/scsi_host/host4/link_power_management_policy = max_performance
/sys/class/scsi_host/host5/link_power_management_policy = max_performance
+++ PCIe Active State Power Management
/sys/module/pcie_aspm/parameters/policy = default (using bios preferences)
+++ Intel Graphics
/sys/module/i915/parameters/powersave = 1 (enabled)
/sys/module/i915/parameters/enable_rc6 = 3 (enabled + deep)
/sys/module/i915/parameters/enable_fbc = -1 (use per-chip default)
/sys/module/i915/parameters/lvds_downclock = 0 (disabled)
/sys/module/i915/parameters/semaphores = -1 (use per-chip default)
+++ Wireless
bluetooth = off (software)
wifi = on
wwan = on
wlan0(iwlwifi) : connected, power management = off
wwan0(cdc_mbim) : not connected
+++ Audio
/sys/module/snd_hda_intel/parameters/power_save = 0
/sys/module/snd_hda_intel/parameters/power_save_controller = N
+++ Docks and Device Bays
/sys/devices/platform/dock.0: battery_bay = no battery
/sys/devices/platform/dock.1: ata_bay = no drive (or powered off)
+++ Runtime Power Management
device classes = all
device blacklist = (not configured)
driver blacklist = radeon nouveau
/sys/bus/pci/devices/0000:00:00.0/power/control = on (0x060000, Host bridge, ivb_uncore)
/sys/bus/pci/devices/0000:00:02.0/power/control = on (0x030000, VGA compatible controller, i915)
/sys/bus/pci/devices/0000:00:14.0/power/control = on (0x0c0330, USB controller, xhci_hcd)
/sys/bus/pci/devices/0000:00:16.0/power/control = on (0x078000, Communication controller, mei_me)
/sys/bus/pci/devices/0000:00:16.3/power/control = on (0x070002, Serial controller, serial)
/sys/bus/pci/devices/0000:00:19.0/power/control = on (0x020000, Ethernet controller, e1000e)
/sys/bus/pci/devices/0000:00:1a.0/power/control = on (0x0c0320, USB controller, ehci-pci)
/sys/bus/pci/devices/0000:00:1b.0/power/control = on (0x040300, Audio device, snd_hda_intel)
/sys/bus/pci/devices/0000:00:1c.0/power/control = on (0x060400, PCI bridge, pcieport)
/sys/bus/pci/devices/0000:00:1c.1/power/control = on (0x060400, PCI bridge, pcieport)
/sys/bus/pci/devices/0000:00:1c.2/power/control = on (0x060400, PCI bridge, pcieport)
/sys/bus/pci/devices/0000:00:1d.0/power/control = on (0x0c0320, USB controller, ehci-pci)
/sys/bus/pci/devices/0000:00:1f.0/power/control = on (0x060100, ISA bridge, lpc_ich)
/sys/bus/pci/devices/0000:00:1f.2/power/control = on (0x010601, SATA controller, ahci)
/sys/bus/pci/devices/0000:00:1f.3/power/control = on (0x0c0500, SMBus, no driver)
/sys/bus/pci/devices/0000:02:00.0/power/control = on (0x088001, System peripheral, sdhci-pci)
/sys/bus/pci/devices/0000:03:00.0/power/control = on (0x028000, Network controller, iwlwifi)
+++ USB
autosuspend = enabled
device whitelist = (not configured)
device blacklist = (not configured)
driver blacklist = usbhid
wwan blacklist = enabled (cdc_acm cdc_wdm cdc_ether hso qcserial sierra)
Bus 002 Device 007 ID 046a:0023 control = on, autosuspend_delay_ms = 2000 -- Cherry GmbH CyMotion Master Linux Keyboard G230 (usbhid)
Bus 002 Device 006 ID 17ef:100a control = auto, autosuspend_delay_ms = 0 -- Lenovo ThinkPad Mini Dock Plus Series 3 (hub)
Bus 002 Device 002 ID 8087:0024 control = auto, autosuspend_delay_ms = 0 -- Intel Corp. Integrated Rate Matching Hub (hub)
Bus 002 Device 001 ID 1d6b:0002 control = auto, autosuspend_delay_ms = 0 -- Linux Foundation 2.0 root hub (hub)
Bus 001 Device 006 ID 5986:02d5 control = auto, autosuspend_delay_ms = 2000 -- Acer, Inc (uvcvideo)
Bus 001 Device 004 ID 147e:2020 control = auto, autosuspend_delay_ms = 2000 -- Upek TouchChip Fingerprint Coprocessor (WBF advanced mode) (no driver)
Bus 001 Device 003 ID 17ef:1003 control = auto, autosuspend_delay_ms = 2000 -- Lenovo Integrated Smart Card Reader (no driver)
Bus 001 Device 002 ID 8087:0024 control = auto, autosuspend_delay_ms = 0 -- Intel Corp. Integrated Rate Matching Hub (hub)
Bus 001 Device 001 ID 1d6b:0002 control = auto, autosuspend_delay_ms = 0 -- Linux Foundation 2.0 root hub (hub)
Bus 004 Device 001 ID 1d6b:0003 control = auto, autosuspend_delay_ms = 0 -- Linux Foundation 3.0 root hub (hub)
Bus 003 Device 003 ID 0bdb:1926 control = on, autosuspend_delay_ms = 2000 -- Ericsson Business Mobile Networks BV (cdc_acm, cdc_wdm, cdc_mbim)
Bus 003 Device 002 ID 046d:c52b control = on, autosuspend_delay_ms = 2000 -- Logitech, Inc. Unifying Receiver (usbhid)
Bus 003 Device 001 ID 1d6b:0002 control = auto, autosuspend_delay_ms = 0 -- Linux Foundation 2.0 root hub (hub)
+++ ThinkPad Extended Battery Functions
tp-smapi = inactive (kernel module 'tp_smapi' load error)
tpacpi-bat = active
+++ ThinkPad Battery Status: BAT0 (Main / Internal)
/sys/class/power_supply/BAT0/manufacturer = LGC
/sys/class/power_supply/BAT0/model_name = 45N1011
/sys/class/power_supply/BAT0/cycle_count = (not supported)
/sys/class/power_supply/BAT0/energy_full_design = 86580 [mWh]
/sys/class/power_supply/BAT0/energy_full = 82390 [mWh]
/sys/class/power_supply/BAT0/energy_now = 82350 [mWh]
/sys/class/power_supply/BAT0/power_now = 0 [mW]
/sys/class/power_supply/BAT0/status = Unknown
tpacpi-bat.BAT0.startThreshold = 96 [%]
tpacpi-bat.BAT0.stopThreshold = 100 [%]
tpacpi-bat.BAT0.forceDischarge = 0
答案1
我建议尝试一下过去几个 Ubuntu 版本中提供的 thermald。如果尚未安装，请尝试：
sudo apt-get install thermald
默认情况下，它会尝试找出进行被动热冷却的方法，但是如果您愿意，可以调整配置文件来调整冷却规则。请参阅：https://wiki.ubuntu.com/Kernel/PowerManagement/ThermalIssues更多细节。