Seems like shutdowns disappeared after disabling thermald service. Could it be a broken package problem?
Package: thermald Architecture: amd64 Version: 1.7.0-5ubuntu1 Priority: optional Section: admin Origin: Ubuntu Maintainer: Colin King <colin.k...@ubuntu.com> Original-Maintainer: Colin King <colin.k...@canonical.com> Bugs: https://bugs.launchpad.net/ubuntu/+filebug Installed-Size: 583 Depends: libc6 (>= 2.16), libdbus-1-3 (>= 1.9.14), libdbus-glib-1-2 (>= 0.88), libgcc1 (>= 1:3.0), libglib2.0-0 (>= 2.37.3), libstdc++6 (>= 5.2), libxml2 (>= 2.7.4), lsb-base (>= 3.0-6) Filename: pool/main/t/thermald/thermald_1.7.0-5ubuntu1_amd64.deb Size: 185220 MD5sum: 842c83b5d474d8366bdc4ffdf201db21 SHA1: 5cdfc914bc11e37bdd47620874e015fb10387ab8 SHA256: 9734e7700262f4b9a03dfd3e0f59044871228339452edb7aa11afd6cfc9743c1 Homepage: https://github.com/01org/thermal_daemon Description-en: Thermal monitoring and controlling daemon Thermal Daemon is a Linux daemon for monitoring and controlling platform temperatures. Once the system temperature reaches a certain threshold, the Linux daemon activates various cooling methods to try to cool the system. Description-md5: b3957326598bfd50927c3294bfbabcc9 Task: ubuntu-budgie-desktop Supported: 5y -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1781924 Title: Kernel wrong temperature reporting Status in linux package in Ubuntu: Confirmed Bug description: I'm having some thermal trouble since I've started using kernel >4.0.x with my new laptop. According to psensor and sensord, CPU temperature jumps above the 90C, stays there for around 1second, and goes back to 50C. All transitions happen in around 100ms. I've cleaned and re- applied thermal paste and checked the connections twice. More interestingly, this doesn't happen when the CPU is under heavy-load, but when it is waiting idly. Sometimes sensord reports the CPU temp has gone over the critical threshold of the CPU and device shuts down itself immediately. There is also Windows 10 installed as a dual boot and didn't see this problem on it when idle or under heavy load. Dmesg output is full of following warnings; [ 1282.296247] CPU0: Core temperature above threshold, cpu clock throttled (total events = 109)[ 1282.296267] CPU4: Core temperature above threshold, cpu clock throttled (total events = 109) [ 1282.296269] CPU5: Package temperature above threshold, cpu clock throttled (total events = 220) [ 1282.296269] CPU1: Package temperature above threshold, cpu clock throttled (total events = 220) [ 1282.296271] CPU4: Package temperature above threshold, cpu clock throttled (total events = 220) [ 1282.296272] CPU6: Package temperature above threshold, cpu clock throttled (total events = 220) [ 1282.296273] CPU2: Package temperature above threshold, cpu clock throttled (total events = 220) [ 1282.296274] CPU7: Package temperature above threshold, cpu clock throttled (total events = 220) [ 1282.296275] CPU3: Package temperature above threshold, cpu clock throttled (total events = 220) [ 1282.296281] CPU0: Package temperature above threshold, cpu clock throttled (total events = 220) [ 1282.297226] CPU4: Core temperature/speed normal [ 1282.297227] CPU5: Package temperature/speed normal [ 1282.297228] CPU0: Core temperature/speed normal [ 1282.297229] CPU1: Package temperature/speed normal [ 1282.297229] CPU0: Package temperature/speed normal [ 1282.297230] CPU4: Package temperature/speed normal [ 1282.297233] CPU3: Package temperature/speed normal [ 1282.297233] CPU7: Package temperature/speed normal [ 1282.297269] CPU2: Package temperature/speed normal [ 1282.297269] CPU6: Package temperature/speed normal Because of wrong temperature reporting, kernel throttles the CPU and reduces overall performance, which results in frustrating user experience. I've tried followings and find a temporary solution; - intel_pstate enabled, turbo-boost enabled > problem exists - intel_pstate enabled, turbo-boost disabled > problem frequency reduced - intel_pstate disabled, governor set to anythig other than powersave > problem exists - intel_pstate disabled, governor set to powersave > problem frequency reduced I'm suspicious about a kernel bug such as; - https://bugzilla.redhat.com/show_bug.cgi?id=924570 - https://bugzilla.redhat.com/show_bug.cgi?id=1317190 --- ProblemType: Bug ApportVersion: 2.20.9-0ubuntu7.2 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/pcmC0D7p: burak 1547 F...m pulseaudio /dev/snd/controlC0: burak 1547 F.... pulseaudio CurrentDesktop: X-Cinnamon DistroRelease: Linux Mint 19 HibernationDevice: RESUME=UUID=60a9fd7e-ec69-448a-b19a-93efaa6035ed Lsusb: Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 004: ID 04f3:0903 Elan Microelectronics Corp. Bus 001 Device 003: ID 8087:0a2b Intel Corp. Bus 001 Device 002: ID 045e:07a5 Microsoft Corp. Wireless Receiver 1461C Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MachineType: ASUSTeK COMPUTER INC. UX430UNR NonfreeKernelModules: nvidia_modeset nvidia Package: linux (not installed) ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-24-generic root=UUID=692de7fe-530f-4849-89ec-a5b4413af7dc ro quiet splash intel_pstate=disable vt.handoff=1 ProcVersionSignature: Ubuntu 4.15.0-24.26-generic 4.15.18 RelatedPackageVersions: linux-restricted-modules-4.15.0-24-generic N/A linux-backports-modules-4.15.0-24-generic N/A linux-firmware 1.173.1 Tags: tara Uname: Linux 4.15.0-24-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo _MarkForUpload: True dmi.bios.date: 11/28/2017 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: UX430UNR.302 dmi.board.asset.tag: ATN12345678901234567 dmi.board.name: UX430UNR dmi.board.vendor: ASUSTeK COMPUTER INC. dmi.board.version: 1.0 dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: ASUSTeK COMPUTER INC. dmi.chassis.version: 1.0 dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrUX430UNR.302:bd11/28/2017:svnASUSTeKCOMPUTERINC.:pnUX430UNR:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnUX430UNR:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0: dmi.product.family: UX dmi.product.name: UX430UNR dmi.product.version: 1.0 dmi.sys.vendor: ASUSTeK COMPUTER INC. 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