> Date: Fri, 18 Mar 2022 16:05:06 +0000
> From: "Nicola Dell'Uomo" <[email protected]>

So what does apm(8) say?  And sysctl hw.power?

On modern Intel and AMD CPUs the CPU "speed" isn't really all that
relevant for how much power your machine consumes.  But OpenBSD is
still supposed to switch to the lower speed when idle and running on
battery power.  But make sure your machine is really idle by killing
any applications that show up with a significant CPU percantage in
top.

> Synopsis: cpu clock is stuck when cpu idles; root can't change cpu clock 
> speed by apm(8) or sysctl(8).
> 
> Category: system
> Environment:
> System : OpenBSD 7.1
> Details : OpenBSD 7.1-beta (GENERIC.MP) #422: Tue Mar 15 11:28:22 MDT 2022
> [email protected]:/usr/src/sys/arch/amd64/compile/GENERIC.MP
> 
> Architecture: OpenBSD.amd64
> Machine : amd64Description:
> Since GENERIC.MP#416 cpu clock is stuck at maximum speed when cpu idles and 
> laptop runs on battery; moreover root can't manually lower speed via apm(8) 
> or sysctl(8). This problem is still present in GENERIC.MP#422.
> How-To-Repeat:
> Run GENERIC.MP#416 and higher and check cpu speed by apm(8) or sysctl(8) when 
> cpu idles; run as root 'apm -L' or 'sysctl hw.perfpolicy=manual && sysctl 
> hw.setperf=20'.
> Fix:
> No known workarounds.
> 
> SENDBUG: dmesg, pcidump, acpidump and usbdevs are attached.
> SENDBUG: Feel free to delete or use the -D flag if they contain sensitive 
> information.
> 
> dmesg:
> OpenBSD 7.1-beta (GENERIC.MP) #422: Tue Mar 15 11:28:22 MDT 2022
> [email protected]:/usr/src/sys/arch/amd64/compile/GENERIC.MP
> real mem = 16937349120 (16152MB)
> avail mem = 16406769664 (15646MB)
> random: good seed from bootblocks
> mpath0 at root
> scsibus0 at mpath0: 256 targets
> mainbus0 at root
> bios0 at mainbus0: SMBIOS rev. 3.2 @ 0xc66ac000 (69 entries)
> bios0: vendor LENOVO version "N2WET34W (1.24 )" date 12/23/2021
> bios0: LENOVO 20U9CTO1WW
> acpi0 at bios0: ACPI 6.1
> acpi0: sleep states S0 S3 S4 S5
> acpi0: tables DSDT FACP SSDT SSDT SSDT SSDT SSDT TPM2 SSDT HPET APIC MCFG 
> ECDT SSDT SSDT SSDT NHLT BOOT SSDT LPIT WSMT SSDT DBGP DBG2 MSDM BATB DMAR 
> BGRT UEFI FPDT
> acpi0: wakeup devices GLAN(S4) XHC_(S3) XDCI(S4) HDAS(S4) RP01(S4) PXSX(S4) 
> RP02(S4) PXSX(S4) PXSX(S4) RP04(S4) PXSX(S4) RP05(S4) PXSX(S4) RP06(S4) 
> PXSX(S4) RP07(S4) [...]
> acpitimer0 at acpi0: 3579545 Hz, 24 bits
> acpihpet0 at acpi0: 23999999 Hz
> acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat
> cpu0 at mainbus0: apid 0 (boot processor)
> cpu0: Intel(R) Core(TM) i5-10210U CPU @ 1.60GHz, 1784.74 MHz, 06-8e-0c
> cpu0: 
> FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,EST,TM2,SSSE3,SDBG,FMA3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,DEADLINE,AES,XSAVE,AVX,F16C,RDRAND,NXE,PAGE1GB,RDTSCP,LONG,LAHF,ABM,3DNOWP,PERF,ITSC,FSGSBASE,TSC_ADJUST,SGX,BMI1,AVX2,SMEP,BMI2,ERMS,INVPCID,MPX,RDSEED,ADX,SMAP,CLFLUSHOPT,PT,SRBDS_CTRL,MD_CLEAR,IBRS,IBPB,STIBP,L1DF,SSBD,SENSOR,ARAT,XSAVEOPT,XSAVEC,XGETBV1,XSAVES
> cpu0: 256KB 64b/line 8-way L2 cache
> cpu0: smt 0, core 0, package 0
> mtrr: Pentium Pro MTRR support, 10 var ranges, 88 fixed ranges
> cpu0: apic clock running at 24MHz
> cpu0: mwait min=64, max=64, C-substates=0.2.1.2.4.1.1.1, IBE
> cpu1 at mainbus0: apid 2 (application processor)
> cpu1: Intel(R) Core(TM) i5-10210U CPU @ 1.60GHz, 1558.97 MHz, 06-8e-0c
> cpu1: 
> FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,EST,TM2,SSSE3,SDBG,FMA3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,DEADLINE,AES,XSAVE,AVX,F16C,RDRAND,NXE,PAGE1GB,RDTSCP,LONG,LAHF,ABM,3DNOWP,PERF,ITSC,FSGSBASE,TSC_ADJUST,SGX,BMI1,AVX2,SMEP,BMI2,ERMS,INVPCID,MPX,RDSEED,ADX,SMAP,CLFLUSHOPT,PT,SRBDS_CTRL,MD_CLEAR,IBRS,IBPB,STIBP,L1DF,SSBD,SENSOR,ARAT,XSAVEOPT,XSAVEC,XGETBV1,XSAVES
> cpu1: 256KB 64b/line 8-way L2 cache
> cpu1: smt 0, core 1, package 0
> cpu2 at mainbus0: apid 4 (application processor)
> cpu2: Intel(R) Core(TM) i5-10210U CPU @ 1.60GHz, 1336.40 MHz, 06-8e-0c
> cpu2: 
> FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,EST,TM2,SSSE3,SDBG,FMA3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,DEADLINE,AES,XSAVE,AVX,F16C,RDRAND,NXE,PAGE1GB,RDTSCP,LONG,LAHF,ABM,3DNOWP,PERF,ITSC,FSGSBASE,TSC_ADJUST,SGX,BMI1,AVX2,SMEP,BMI2,ERMS,INVPCID,MPX,RDSEED,ADX,SMAP,CLFLUSHOPT,PT,SRBDS_CTRL,MD_CLEAR,IBRS,IBPB,STIBP,L1DF,SSBD,SENSOR,ARAT,XSAVEOPT,XSAVEC,XGETBV1,XSAVES
> cpu2: 256KB 64b/line 8-way L2 cache
> cpu2: smt 0, core 2, package 0
> cpu3 at mainbus0: apid 6 (application processor)
> cpu3: Intel(R) Core(TM) i5-10210U CPU @ 1.60GHz, 1204.18 MHz, 06-8e-0c
> cpu3: 
> FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,EST,TM2,SSSE3,SDBG,FMA3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,DEADLINE,AES,XSAVE,AVX,F16C,RDRAND,NXE,PAGE1GB,RDTSCP,LONG,LAHF,ABM,3DNOWP,PERF,ITSC,FSGSBASE,TSC_ADJUST,SGX,BMI1,AVX2,SMEP,BMI2,ERMS,INVPCID,MPX,RDSEED,ADX,SMAP,CLFLUSHOPT,PT,SRBDS_CTRL,MD_CLEAR,IBRS,IBPB,STIBP,L1DF,SSBD,SENSOR,ARAT,XSAVEOPT,XSAVEC,XGETBV1,XSAVES
> cpu3: 256KB 64b/line 8-way L2 cache
> cpu3: smt 0, core 3, package 0
> ioapic0 at mainbus0: apid 2 pa 0xfec00000, version 20, 120 pins
> acpimcfg0 at acpi0
> acpimcfg0: addr 0xf0000000, bus 0-127
> acpiec0 at acpi0
> acpiprt0 at acpi0: bus 0 (PCI0)
> acpiprt1 at acpi0: bus -1 (RP01)
> acpiprt2 at acpi0: bus -1 (RP02)
> acpiprt3 at acpi0: bus -1 (RP03)
> acpiprt4 at acpi0: bus -1 (RP04)
> acpiprt5 at acpi0: bus -1 (RP05)
> acpiprt6 at acpi0: bus -1 (RP06)
> acpiprt7 at acpi0: bus -1 (RP07)
> acpiprt8 at acpi0: bus -1 (RP08)
> acpiprt9 at acpi0: bus 3 (RP09)
> acpiprt10 at acpi0: bus -1 (RP10)
> acpiprt11 at acpi0: bus -1 (RP11)
> acpiprt12 at acpi0: bus -1 (RP12)
> acpiprt13 at acpi0: bus -1 (RP13)
> acpiprt14 at acpi0: bus -1 (RP14)
> acpiprt15 at acpi0: bus -1 (RP15)
> acpiprt16 at acpi0: bus -1 (RP16)
> acpiprt17 at acpi0: bus -1 (RP17)
> acpiprt18 at acpi0: bus -1 (RP18)
> acpiprt19 at acpi0: bus -1 (RP19)
> acpiprt20 at acpi0: bus -1 (RP20)
> acpiprt21 at acpi0: bus -1 (RP21)
> acpiprt22 at acpi0: bus -1 (RP22)
> acpiprt23 at acpi0: bus -1 (RP23)
> acpiprt24 at acpi0: bus -1 (RP24)
> acpipci0 at acpi0 PCI0: 0x00000000 0x00000011 0x00000001
> acpithinkpad0 at acpi0: version 2.0
> acpiac0 at acpi0: AC unit offline
> acpibat0 at acpi0: BAT0 model "5B10W13930" serial type LiP oem "LGC"
> "INT33D3" at acpi0 not configured
> "LEN0111" at acpi0 not configured
> "LEN0100" at acpi0 not configured
> "INT3403" at acpi0 not configured
> "INT3403" at acpi0 not configured
> "LEN0130" at acpi0 not configured
> acpicmos0 at acpi0
> pchgpio0 at acpi0 GPI0 addr 0xfd6e0000/0x10000 0xfd6d0000/0x10000 
> 0xfd6a0000/0x10000 irq 14, 320 pins
> "SYNA8006" at acpi0 not configured
> "PNP0C14" at acpi0 not configured
> acpibtn0 at acpi0: SLPB
> "PNP0C14" at acpi0 not configured
> "PNP0C14" at acpi0 not configured
> acpihid0 at acpi0: HIDD
> acpibtn1 at acpi0: LID_
> "PNP0C14" at acpi0 not configured
> "PNP0C14" at acpi0 not configured
> "PNP0C14" at acpi0 not configured
> "PNP0C14" at acpi0 not configured
> "PNP0C14" at acpi0 not configured
> "INT3400" at acpi0 not configured
> tpm0 at acpi0 TPM_ 2.0 (TIS) addr 0xfed40000/0x5000, device 0x00fc1050 rev 0x1
> "USBC000" at acpi0 not configured
> acpipwrres0 at acpi0: PUBS, resource for XHC_
> acpipwrres1 at acpi0: BTPR, resource for HS10
> acpipwrres2 at acpi0: USBC, resource for XDCI
> acpipwrres3 at acpi0: PXP_, resource for RP01, PXSX
> acpipwrres4 at acpi0: V0PR
> acpipwrres5 at acpi0: V1PR
> acpipwrres6 at acpi0: V2PR
> acpipwrres7 at acpi0: WRST
> acpicpu0 at acpi0: C3(200@1034 mwait.1@0x60), C2(200@151 mwait.1@0x33), 
> C1(1000@1 mwait.1), PSS
> acpicpu1 at acpi0: C3(200@1034 mwait.1@0x60), C2(200@151 mwait.1@0x33), 
> C1(1000@1 mwait.1), PSS
> acpicpu2 at acpi0: C3(200@1034 mwait.1@0x60), C2(200@151 mwait.1@0x33), 
> C1(1000@1 mwait.1), PSS
> acpicpu3 at acpi0: C3(200@1034 mwait.1@0x60), C2(200@151 mwait.1@0x33), 
> C1(1000@1 mwait.1), PSS
> acpitz0 at acpi0: critical temperature is 128 degC
> acpipwrres8 at acpi0: PIN_
> acpipwrres9 at acpi0: PINP
> acpivideo0 at acpi0: GFX0
> acpivout0 at acpivideo0: DD1F
> cpu0: Enhanced SpeedStep 1784 MHz: speeds: 2101, 2100, 2000, 1900, 1700, 
> 1600, 1500, 1400, 1200, 1100, 1000, 800, 700, 600, 500, 400 MHz
> pci0 at mainbus0 bus 0
> pchb0 at pci0 dev 0 function 0 "Intel Core 10G Host" rev 0x0c
> inteldrm0 at pci0 dev 2 function 0 "Intel UHD Graphics" rev 0x02
> drm0 at inteldrm0
> inteldrm0: msi, COMETLAKE, gen 9
> "Intel Core 6G Thermal" rev 0x0c at pci0 dev 4 function 0 not configured
> "Intel Core GMM" rev 0x00 at pci0 dev 8 function 0 not configured
> pchtemp0 at pci0 dev 18 function 0 "Intel 400 Series Thermal" rev 0x00
> xhci0 at pci0 dev 20 function 0 "Intel 400 Series xHCI" rev 0x00: msi, xHCI 
> 1.10
> usb0 at xhci0: USB revision 3.0
> uhub0 at usb0 configuration 1 interface 0 "Intel xHCI root hub" rev 3.00/1.00 
> addr 1
> "Intel 400 Series Shared SRAM" rev 0x00 at pci0 dev 20 function 2 not 
> configured
> iwx0 at pci0 dev 20 function 3 "Intel Wi-Fi 6 AX201" rev 0x00, msix
> dwiic0 at pci0 dev 21 function 0 "Intel 400 Series I2C" rev 0x00: apic 2 int 
> 16
> iic0 at dwiic0
> dwiic1 at pci0 dev 21 function 1 "Intel 400 Series I2C" rev 0x00: apic 2 int 
> 17
> iic1 at dwiic1
> ihidev0 at iic1 addr 0x2c gpio 100, vendor 0x6cb product 0xcd8b, SYNA8006
> ihidev0: 14 report ids
> imt0 at ihidev0: clickpad, 5 contacts
> wsmouse0 at imt0 mux 0
> ims0 at ihidev0 reportid 2: 2 buttons
> wsmouse1 at ims0 mux 0
> hid at ihidev0 reportid 6 not configured
> hid at ihidev0 reportid 7 not configured
> hid at ihidev0 reportid 9 not configured
> hid at ihidev0 reportid 10 not configured
> hid at ihidev0 reportid 11 not configured
> hid at ihidev0 reportid 12 not configured
> hid at ihidev0 reportid 13 not configured
> hid at ihidev0 reportid 14 not configured
> "Intel 400 Series MEI" rev 0x00 at pci0 dev 22 function 0 not configured
> ppb0 at pci0 dev 29 function 0 "Intel 400 Series PCIE" rev 0xf0: msi
> pci1 at ppb0 bus 3
> nvme0 at pci1 dev 0 function 0 "SanDisk WD Black NVMe" rev 0x00: msix, NVMe 
> 1.3
> nvme0: WDC PC SN730 SDBQNTY-1T00-1001, firmware 11130101, serial
> scsibus1 at nvme0: 2 targets, initiator 0
> sd0 at scsibus1 targ 1 lun 0: <NVMe, WDC PC SN730 SDB, 1113>
> sd0: 976762MB, 512 bytes/sector, 2000409264 sectors
> pcib0 at pci0 dev 31 function 0 "Intel 400 Series LPC" rev 0x00
> azalia0 at pci0 dev 31 function 3 "Intel 400 Series HD Audio" rev 0x00: msi
> azalia0: codecs: Realtek ALC285, Intel/0x280b, using Realtek ALC285
> audio0 at azalia0
> ichiic0 at pci0 dev 31 function 4 "Intel 400 Series SMBus" rev 0x00: apic 2 
> int 16
> iic2 at ichiic0
> ichiic0: abort failed, status 0x41<BUSY,INUSE>
> "Intel 400 Series SPI" rev 0x00 at pci0 dev 31 function 5 not configured
> em0 at pci0 dev 31 function 6 "Intel I219-V" rev 0x00: msi, address
> isa0 at pcib0
> isadma0 at isa0
> pckbc0 at isa0 port 0x60/5 irq 1 irq 12
> pckbd0 at pckbc0 (kbd slot)
> wskbd0 at pckbd0: console keyboard
> pms0 at pckbc0 (aux slot)
> wsmouse2 at pms0 mux 0
> pcppi0 at isa0 port 0x61
> spkr0 at pcppi0
> vmm0 at mainbus0: VMX/EPT
> efifb at mainbus0 not configured
> uaudio0 at uhub0 port 3 configuration 1 interface 1 "Creative Technology Ltd 
> Creative BT-W3" rev 2.00/1.00 addr 2
> uaudio0: class v1, full-speed, sync, channels: 2 play, 1 rec, 2 ctls
> audio1 at uaudio0
> uhidev0 at uhub0 port 3 configuration 1 interface 3 "Creative Technology Ltd 
> Creative BT-W3" rev 2.00/1.00 addr 2
> uhidev0: iclass 3/0, 3 report ids
> ucc0 at uhidev0 reportid 1: 11 usages, 7 keys, enum
> wskbd1 at ucc0 mux 1
> uhid0 at uhidev0 reportid 2: input=18, output=18, feature=0
> uhid1 at uhidev0 reportid 3: input=64, output=64, feature=0
> uhidev1 at uhub0 port 3 configuration 1 interface 4 "Creative Technology Ltd 
> Creative BT-W3" rev 2.00/1.00 addr 2
> uhidev1: iclass 3/0, 4 report ids
> uhid2 at uhidev1 reportid 1: input=0, output=65, feature=0
> uhid3 at uhidev1 reportid 2: input=65, output=0, feature=0
> uhid4 at uhidev1 reportid 3: input=0, output=0, feature=3
> uhid5 at uhidev1 reportid 4: input=0, output=0, feature=3
> uvideo0 at uhub0 port 8 configuration 1 interface 0 "Azurewave Integrated 
> Camera" rev 2.01/60.01 addr 3
> video0 at uvideo0
> uvideo1 at uhub0 port 8 configuration 1 interface 2 "Azurewave Integrated 
> Camera" rev 2.01/60.01 addr 3
> video1 at uvideo1
> ugen0 at uhub0 port 8 configuration 1 "Azurewave Integrated Camera" rev 
> 2.01/60.01 addr 3
> vscsi0 at root
> scsibus2 at vscsi0: 256 targets
> softraid0 at root
> scsibus3 at softraid0: 256 targets
> sd1 at scsibus3 targ 1 lun 0: <OPENBSD, SR CRYPTO, 006>
> sd1: 976761MB, 512 bytes/sector, 2000407649 sectors
> root on sd1a (33cbe4c04752a8eb.a) swap on sd1b dump on sd1b
> inteldrm0: 1920x1080, 32bpp
> wsdisplay0 at inteldrm0 mux 1: console (std, vt100 emulation), using wskbd0
> wskbd1: connecting to wsdisplay0
> wsdisplay0: screen 1-5 added (std, vt100 emulation)
> iwx0: hw rev 0x350, fw ver 67.8f59b80b.0, address

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