I've started to be suspicious about the hardware issue. Not sure if the sensors are not functioning properly or readings are erroneous.
On Sun, Oct 20, 2019, 14:40 Hamish Marson <[email protected]> wrote: > Also affects my brand new Thinkpad X1 Extreme Gen 2. > > The errors pop up when the CPU is stone cold (i.e. upon waking after an > overnight sleep in temps <10C) > > -- > You received this bug notification because you are subscribed to the bug > report. > https://bugs.launchpad.net/bugs/1781924 > > Title: > Kernel wrong temperature reporting > > Status in OEM Priority Project: > New > Status in linux package in Ubuntu: > Expired > > 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. > > To manage notifications about this bug go to: > https://bugs.launchpad.net/oem-priority/+bug/1781924/+subscriptions > -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1781924 Title: Kernel wrong temperature reporting To manage notifications about this bug go to: https://bugs.launchpad.net/oem-priority/+bug/1781924/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
