Hi Kernel Team, With 4.14.170 vanilla kernel, observe this issue: [ 0.729209] ACPI: Thermal Zone [TZ0] (-263 C) :~$ sensors coretemp-isa-0000 Adapter: ISA adapter Package id 0: +55.0°C (high = +100.0°C, crit = +100.0°C) Core 0: +53.0°C (high = +100.0°C, crit = +100.0°C) Core 1: +53.0°C (high = +100.0°C, crit = +100.0°C) acpitz-virtual-0 Adapter: Virtual device temp1: -263.2°C iwlwifi-virtual-0 Adapter: Virtual device temp1: +49.0°C pch_skylake-virtual-0 Adapter: Virtual device temp1: +55.0°C :~$ lspci 00:00.0 Host bridge: Intel Corporation Xeon E3-1200 v6/7th Gen Core Processor Host Bridge/DRAM Registers (rev 03) 00:02.0 VGA compatible controller: Intel Corporation Iris Plus Graphics 650 (rev 06) 00:08.0 System peripheral: Intel Corporation Xeon E3-1200 v5/v6 / E3-1500 v5 / 6th/7th/8th Gen Core Processor Gaussian Mixture Model 00:14.0 USB controller: Intel Corporation Sunrise Point-LP USB 3.0 xHCI Controller (rev 21) 00:14.2 Signal processing controller: Intel Corporation Sunrise Point-LP Thermal subsystem (rev 21) 00:16.0 Communication controller: Intel Corporation Sunrise Point-LP CSME HECI #1 (rev 21) 00:17.0 SATA controller: Intel Corporation Sunrise Point-LP SATA Controller [AHCI mode] (rev 21) 00:1c.0 PCI bridge: Intel Corporation Sunrise Point-LP PCI Express Root Port #1 (rev f1) 00:1c.5 PCI bridge: Intel Corporation Sunrise Point-LP PCI Express Root Port #6 (rev f1) 00:1c.7 PCI bridge: Intel Corporation Sunrise Point-LP PCI Express Root Port #8 (rev f1) 00:1f.0 ISA bridge: Intel Corporation Sunrise Point LPC Controller/eSPI Controller (rev 21) 00:1f.2 Memory controller: Intel Corporation Sunrise Point-LP PMC (rev 21) 00:1f.3 Audio device: Intel Corporation Sunrise Point-LP HD Audio (rev 21) 00:1f.4 SMBus: Intel Corporation Sunrise Point-LP SMBus (rev 21) 00:1f.6 Ethernet controller: Intel Corporation Ethernet Connection (4) I219-V (rev 21) 3a:00.0 Network controller: Intel Corporation Wireless 8265 / 8275 (rev 78) 3b:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS5229 PCI Express Card Reader (rev 01) [ 0.000000] BIOS-e820: [mem 0x0000000070a01000-0x0000000070a01fff] ACPI NVS [ 0.000000] BIOS-e820: [mem 0x000000007a5a3000-0x000000007a5e8fff] ACPI data [ 0.000000] BIOS-e820: [mem 0x000000007a5e9000-0x000000007aa05fff] ACPI NVS [ 0.000000] reserve setup_data: [mem 0x0000000070a01000-0x0000000070a01fff] ACPI NVS [ 0.000000] reserve setup_data: [mem 0x000000007a5a3000-0x000000007a5e8fff] ACPI data [ 0.000000] reserve setup_data: [mem 0x000000007a5e9000-0x000000007aa05fff] ACPI NVS [ 0.000000] efi: ACPI 2.0=0x7a5b1000 ACPI=0x7a5b1000 SMBIOS=0x7ae08000 SMBIOS 3.0=0x7ae07000 MEMATTR=0x787b3018 ESRT=0x7ae04418 MPS=0xfcb00 [ 0.000000] ACPI: Early table checksum verification disabled [ 0.000000] ACPI: RSDP 0x000000007A5B1000 000024 (v02 INTEL ) [ 0.000000] ACPI: XSDT 0x000000007A5B10B8 0000F4 (v01 INTEL NUC7i7BN 0000004E AMI 00010013) [ 0.000000] ACPI: FACP 0x000000007A5DDD60 000114 (v06 INTEL NUC7i7BN 0000004E AMI 00010013) [ 0.000000] ACPI: DSDT 0x000000007A5B1240 02CB1C (v02 INTEL NUC7i7BN 0000004E INTL 20160422) [ 0.000000] ACPI: FACS 0x000000007AA05F80 000040 [ 0.000000] ACPI: APIC 0x000000007A5DDE78 000084 (v03 INTEL NUC7i7BN 0000004E AMI 00010013) [ 0.000000] ACPI: FPDT 0x000000007A5DDF00 000044 (v01 INTEL NUC7i7BN 0000004E AMI 00010013) [ 0.000000] ACPI: FIDT 0x000000007A5DDF48 00009C (v01 INTEL NUC7i7BN 0000004E AMI 00010013) [ 0.000000] ACPI: MCFG 0x000000007A5DDFE8 00003C (v01 INTEL NUC7i7BN 0000004E MSFT 00000097) [ 0.000000] ACPI: SSDT 0x000000007A5DE028 000359 (v01 INTEL NUC7i7BN 0000004E INTL 20160422) [ 0.000000] ACPI: SSDT 0x000000007A5DE388 003163 (v02 INTEL NUC7i7BN 0000004E INTL 20160422) [ 0.000000] ACPI: HPET 0x000000007A5E14F0 000038 (v01 INTEL NUC7i7BN 0000004E MSFT 0000005F) [ 0.000000] ACPI: SSDT 0x000000007A5E1528 0009E3 (v02 INTEL NUC7i7BN 0000004E INTL 20160422) [ 0.000000] ACPI: UEFI 0x000000007A5E1F10 000048 (v01 INTEL NUC7i7BN 0000004E 01000013) [ 0.000000] ACPI: SSDT 0x000000007A5E1F58 000A5D (v02 INTEL NUC7i7BN 0000004E INTL 20160422) [ 0.000000] ACPI: SSDT 0x000000007A5E29B8 0017AE (v02 INTEL NUC7i7BN 0000004E INTL 20160422) [ 0.000000] ACPI: LPIT 0x000000007A5E4168 000094 (v01 INTEL NUC7i7BN 0000004E MSFT 0000005F) [ 0.000000] ACPI: SSDT 0x000000007A5E4200 000141 (v02 INTEL NUC7i7BN 0000004E INTL 20160422) [ 0.000000] ACPI: SSDT 0x000000007A5E4348 00029F (v02 INTEL NUC7i7BN 0000004E INTL 20160422) [ 0.000000] ACPI: SSDT 0x000000007A5E45E8 003002 (v02 INTEL NUC7i7BN 0000004E INTL 20160422) [ 0.000000] ACPI: SSDT 0x000000007A5E75F0 0000DB (v02 INTEL NUC7i7BN 0000004E INTL 20160422) [ 0.000000] ACPI: SSDT 0x000000007A5E76D0 0002E9 (v02 INTEL NUC7i7BN 0000004E INTL 20160422) [ 0.000000] ACPI: DBGP 0x000000007A5E79C0 000034 (v01 INTEL NUC7i7BN 0000004E MSFT 0000005F) [ 0.000000] ACPI: DBG2 0x000000007A5E79F8 000054 (v00 INTEL NUC7i7BN 0000004E MSFT 0000005F) [ 0.000000] ACPI: SSDT 0x000000007A5E7A50 0012E5 (v02 INTEL NUC7i7BN 0000004E INTL 20160422) [ 0.000000] ACPI: DMAR 0x000000007A5E8D38 0000A8 (v01 INTEL NUC7i7BN 0000004E INTL 00000001) [ 0.000000] ACPI: NHLT 0x000000007A5E8DE0 00002D (v00 INTEL NUC7i7BN 0000004E 01000013) [ 0.000000] ACPI: BGRT 0x000000007A5E8E10 000038 (v01 INTEL NUC7i7BN 0000004E AMI 00010013) [ 0.000000] ACPI: TPM2 0x000000007A5E8E48 000034 (v04 INTEL NUC7i7BN 0000004E AMI 00000000) [ 0.000000] ACPI: WSMT 0x000000007A5E8E80 000028 (v01 INTEL NUC7i7BN 0000004E AMI 00010013) [ 0.000000] ACPI: Local APIC address 0xfee00000 [ 0.000000] ACPI: PM-Timer IO Port: 0x1808 [ 0.000000] ACPI: Local APIC address 0xfee00000 [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x01] high edge lint[0x1]) [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x02] high edge lint[0x1]) [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x03] high edge lint[0x1]) [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x04] high edge lint[0x1]) [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.000000] ACPI: IRQ0 used by override. [ 0.000000] ACPI: IRQ9 used by override. [ 0.000000] Using ACPI (MADT) for SMP configuration information [ 0.000000] ACPI: HPET id: 0x8086a201 base: 0xfed00000 [ 0.001000] ACPI: Core revision 20170831 [ 0.033394] ACPI: 12 ACPI AML tables successfully acquired and loaded [ 0.101575] PM: Registering ACPI NVS region [mem 0x70a01000-0x70a01fff] (4096 bytes) [ 0.101575] PM: Registering ACPI NVS region [mem 0x7a5e9000-0x7aa05fff] (4313088 bytes) [ 0.102230] ACPI FADT declares the system doesn't support PCIe ASPM, so disable it [ 0.102230] ACPI: bus type PCI registered [ 0.102230] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5 [ 0.104060] ACPI: Added _OSI(Module Device) [ 0.104060] ACPI: Added _OSI(Processor Device) [ 0.104060] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.104060] ACPI: Added _OSI(Processor Aggregator Device) [ 0.104272] ACPI Exception: AE_BAD_PARAMETER, Could not install PciConfig handler for Root Bridge PCI0 (20170831/evrgnini-241) [ 0.109157] ACPI: Executed 35 blocks of module-level executable AML code [ 0.119921] ACPI: Dynamic OEM Table Load: [ 0.119926] ACPI: SSDT 0xFFFF8D79DA441800 0007BC (v02 PmRef Cpu0Ist 00003000 INTL 20160422) [ 0.120137] ACPI: Executed 1 blocks of module-level executable AML code [ 0.120214] ACPI: \_PR_.PR00: _OSC native thermal LVT Acked [ 0.121510] ACPI: Dynamic OEM Table Load: [ 0.121514] ACPI: SSDT 0xFFFF8D79DA645400 0003FF (v02 PmRef Cpu0Cst 00003001 INTL 20160422) [ 0.121712] ACPI: Executed 1 blocks of module-level executable AML code [ 0.121860] ACPI: Dynamic OEM Table Load: [ 0.121863] ACPI: SSDT 0xFFFF8D79DA674300 0000BA (v02 PmRef Cpu0Hwp 00003000 INTL 20160422) [ 0.122031] ACPI: Executed 1 blocks of module-level executable AML code [ 0.122169] ACPI: Dynamic OEM Table Load: [ 0.122173] ACPI: SSDT 0xFFFF8D79DA443800 000628 (v02 PmRef HwpLvt 00003000 INTL 20160422) [ 0.122331] ACPI: Executed 1 blocks of module-level executable AML code [ 0.122832] ACPI: Dynamic OEM Table Load: [ 0.122837] ACPI: SSDT 0xFFFF8D79DA451000 000D14 (v02 PmRef ApIst 00003000 INTL 20160422) [ 0.123602] ACPI: Executed 1 blocks of module-level executable AML code [ 0.123768] ACPI: Dynamic OEM Table Load: [ 0.123771] ACPI: SSDT 0xFFFF8D79DA647C00 000317 (v02 PmRef ApHwp 00003000 INTL 20160422) [ 0.124009] ACPI: Executed 1 blocks of module-level executable AML code [ 0.124179] ACPI: Dynamic OEM Table Load: [ 0.124182] ACPI: SSDT 0xFFFF8D79DA646C00 00030A (v02 PmRef ApCst 00003000 INTL 20160422) [ 0.124420] ACPI: Executed 1 blocks of module-level executable AML code [ 0.126078] ACPI: EC: EC started [ 0.126079] ACPI: EC: interrupt blocked [ 0.126107] ACPI: \_SB_.PCI0.LPCB.H_EC: Used as first EC [ 0.126108] ACPI: \_SB_.PCI0.LPCB.H_EC: GPE=0x14, EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.126109] ACPI: \_SB_.PCI0.LPCB.H_EC: Used as boot DSDT EC to handle transactions [ 0.126109] ACPI: Interpreter enabled [ 0.126145] ACPI: (supports S0 S3 S4 S5) [ 0.126145] ACPI: Using IOAPIC for interrupt routing [ 0.126177] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 0.127144] ACPI: Enabled 7 GPEs in block 00 to 7F [ 0.134888] ACPI: Power Resource [WRST] (on) [ 0.152790] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-fe]) [ 0.168353] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 *11 12 14 15) [ 0.168407] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 11 12 14 15) [ 0.168460] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 *11 12 14 15) [ 0.168512] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 *11 12 14 15) [ 0.168564] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 *11 12 14 15) [ 0.168616] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 *11 12 14 15) [ 0.168668] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 *11 12 14 15) [ 0.168720] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 *11 12 14 15) [ 0.169174] ACPI: EC: interrupt unblocked [ 0.169186] ACPI: EC: event unblocked [ 0.169196] ACPI: \_SB_.PCI0.LPCB.H_EC: GPE=0x14, EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.169197] ACPI: \_SB_.PCI0.LPCB.H_EC: Used as boot DSDT EC to handle transactions and events [ 0.169259] ACPI: bus type USB registered [ 0.169349] PCI: Using ACPI for IRQ routing [ 0.206098] pnp: PnP ACPI init [ 0.206461] system 00:00: Plug and Play ACPI device, IDs PNP0c02 (active) [ 0.206700] system 00:01: Plug and Play ACPI device, IDs PNP0c02 (active) [ 0.206785] pnp 00:02: Plug and Play ACPI device, IDs PNP0b00 (active) [ 0.206820] system 00:03: Plug and Play ACPI device, IDs INT3f0d PNP0c02 (active) [ 0.207088] system 00:04: Plug and Play ACPI device, IDs PNP0c02 (active) [ 0.207131] system 00:05: Plug and Play ACPI device, IDs PNP0c02 (active) [ 0.207398] system 00:06: Plug and Play ACPI device, IDs PNP0c02 (active) [ 0.208538] system 00:07: Plug and Play ACPI device, IDs PNP0c02 (active) [ 0.209106] system 00:08: Plug and Play ACPI device, IDs PNP0c02 (active) [ 0.209428] pnp: PnP ACPI: found 9 devices [ 0.728300] ACPI: Sleep Button [SLPB] [ 0.728330] ACPI: Power Button [PWRB] [ 0.728415] ACPI: Power Button [PWRF] [ 0.729209] ACPI: Thermal Zone [TZ0] (-263 C) [ 1.729488] ata1.00: ACPI cmd ef/10:06:00:00:00:00 (SET FEATURES) succeeded [ 1.729489] ata1.00: ACPI cmd f5/00:00:00:00:00:00 (SECURITY FREEZE LOCK) filtered out [ 1.729490] ata1.00: ACPI cmd b1/c1:00:00:00:00:00 (DEVICE CONFIGURATION OVERLAY) filtered out [ 1.731554] ata1.00: ACPI cmd ef/10:06:00:00:00:00 (SET FEATURES) succeeded [ 1.731556] ata1.00: ACPI cmd f5/00:00:00:00:00:00 (SECURITY FREEZE LOCK) filtered out [ 1.731557] ata1.00: ACPI cmd b1/c1:00:00:00:00:00 (DEVICE CONFIGURATION OVERLAY) filtered out [ 3.366370] ACPI: Video Device [GFX0] (multi-head: yes rom: no post: no) :~$ dmesg | grep thermal [ 0.120214] ACPI: \_PR_.PR00: _OSC native thermal LVT Acked [ 0.729208] thermal LNXTHERM:00: registered as thermal_zone0 [ 3.196844] thermal thermal_zone3: failed to read out thermal zone (-61) cmdline BOOT_IMAGE=/boot/vmlinuz-4.14.170-vanilla root=UUID=a83666b3-0856-4405-9cd8-a9c3400a56aa ro quiet splash intel_iommu=on i915.enable_gvt=1 pcie_acs_override=downstream vt.handoff=7 model cpu: Intel(R) Core(TM) i7-7567U