On Wed, Nov 13, 2019 at 08:19:15AM +0200, Tero Koskinen wrote:

> Hi,
> 
> Sorry if someone gets this twice. My first version didn't go to the list.
> 
> cho...@jtan.com wrote on 6.11.2019 19.52:
> > Theo de Raadt writes:
> >> I have some sort of X1rev6 and I don't see the problem.
> >>
> >> The situation is you have the hardware, and you also have the sourcecode,
> >> and the repository to traverse investigate the problem.
> >>
> >> That sounds hard, until you give it a try.
> > 
> > To be fair, it *is* hard. 
> 
> I have same problem on my Dell Optiplex 990 (running in "headless" mode,
> no monitor attached!).
> 
> After upgrade from 6.5-stable to 6.6-current, CPU temperature
> increased from 50C to 70C..80C and the fans are running at full speed.
> 
> So, I went and cloned OpenBSD src tree from https://github.com/openbsd/src/
> 
> Then I started bisecting kernel commits from 6.5-release to 6.6-current:
>  > ls -1 kernels
> bsd.apr10.a72c25aac8e43fe
> bsd.apr14.505701c75b30a46033a8
> bsd.apr23.53d03815630664
> bsd.apr27.c1f77a6b17d5a799d322
> bsd.apr29.47170b90f4a74
> bsd.apr5.b2516e1f98d4a5f7757
> bsd.jul31.ddc1a6c2c17
> bsd.jun.b2a28ec4ea
> bsd.jun1.535cf6c2b
> bsd.may1.4a0e86bfb04cce9
> bsd.may19.01b2b04ad452620a32
>  >
> 
> (Note the list isn't complete. I noticed that kernel became backwards
> incompatible at some point in April and I had to create a temporary
> 6.5 installation on another disk.)
> 
> Eventually I pinned the problem down to April 14/15:
> 
> FAULTY 091f8f6587f dlg  Mon Apr 15 02:59:41 2019 +0000  the myx_cmd
> FAULTY 1bbcb699ab8 dlg  Mon Apr 15 00:28:29 2019 +0000  there's a bunch
> PROBLEM! 7f4dd37977d jsg  Sun Apr 14 10:14:50 2019 +0000  Update shared 
> drm code
> OK     505701c75b3 visa Sun Apr 14 08:51:31 2019 +0000  Add lock
> 
> I must admit that I don't have yet any idea how to fix
> the problematic commit (or what is actually wrong there).
> 
> Reverting 7f4dd37977d didn't work for latest 6.6-current as there
> have been too many changes after that.
> 
> I also tried to check the latest changes from linux-4.19.y,
> but didn't spot anything useful.
> 
> Yours,
>   Tero

If you run top -S, do you see any process taking lots of CPU?

        -Otto
> 
> 
> dmesg:
> OpenBSD 6.6-current (GENERIC.MP) #452: Mon Nov 11 19:08:23 MST 2019
>      dera...@amd64.openbsd.org:/usr/src/sys/arch/amd64/compile/GENERIC.MP
> real mem = 4153880576 (3961MB)
> avail mem = 4015665152 (3829MB)
> mpath0 at root
> scsibus0 at mpath0: 256 targets
> mainbus0 at root
> bios0 at mainbus0: SMBIOS rev. 2.6 @ 0xf2650 (71 entries)
> bios0: vendor Dell Inc. version "A19" date 08/26/2015
> bios0: Dell Inc. OptiPlex 990
> acpi0 at bios0: ACPI 4.0
> acpi0: sleep states S0 S3 S4 S5
> acpi0: tables DSDT FACP APIC TCPA SSDT MCFG HPET BOOT SSDT SSDT DMAR SLIC
> acpi0: wakeup devices EHC1(S3) EHC2(S3) HDEF(S4) GLAN(S4) RP01(S4) 
> PXSX(S4) RP02(S4) PXSX(S4) RP03(S4) PXSX(S4) RP04(S4) PXSX(S4) RP05(S4) 
> PXSX(S4) RP06(S4) PXSX(S4) [...]
> acpitimer0 at acpi0: 3579545 Hz, 24 bits
> acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat
> cpu0 at mainbus0: apid 0 (boot processor)
> cpu0: Intel(R) Core(TM) i5-2400S CPU @ 2.50GHz, 2494.69 MHz, 06-2a-07
> 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,SMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,POPCNT,DEADLINE,AES,XSAVE,AVX,NXE,RDTSCP,LONG,LAHF,PERF,ITSC,MD_CLEAR,IBRS,IBPB,STIBP,L1DF,SSBD,SENSOR,ARAT,XSAVEOPT,MELTDOWN
> 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 99MHz
> cpu0: mwait min=64, max=64, C-substates=0.2.1.1, IBE
> cpu1 at mainbus0: apid 2 (application processor)
> cpu1: Intel(R) Core(TM) i5-2400S CPU @ 2.50GHz, 2494.35 MHz, 06-2a-07
> 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,SMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,POPCNT,DEADLINE,AES,XSAVE,AVX,NXE,RDTSCP,LONG,LAHF,PERF,ITSC,MD_CLEAR,IBRS,IBPB,STIBP,L1DF,SSBD,SENSOR,ARAT,XSAVEOPT,MELTDOWN
> 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) i5-2400S CPU @ 2.50GHz, 2494.35 MHz, 06-2a-07
> 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,SMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,POPCNT,DEADLINE,AES,XSAVE,AVX,NXE,RDTSCP,LONG,LAHF,PERF,ITSC,MD_CLEAR,IBRS,IBPB,STIBP,L1DF,SSBD,SENSOR,ARAT,XSAVEOPT,MELTDOWN
> 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) i5-2400S CPU @ 2.50GHz, 2494.35 MHz, 06-2a-07
> 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,SMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,POPCNT,DEADLINE,AES,XSAVE,AVX,NXE,RDTSCP,LONG,LAHF,PERF,ITSC,MD_CLEAR,IBRS,IBPB,STIBP,L1DF,SSBD,SENSOR,ARAT,XSAVEOPT,MELTDOWN
> cpu3: 256KB 64b/line 8-way L2 cache
> cpu3: smt 0, core 3, package 0
> ioapic0 at mainbus0: apid 2 pa 0xfec00000, version 20, 24 pins
> acpimcfg0 at acpi0
> acpimcfg0: addr 0xf8000000, bus 0-63
> acpihpet0 at acpi0: 14318179 Hz
> acpiprt0 at acpi0: bus 0 (PCI0)
> acpiprt1 at acpi0: bus 1 (RP01)
> acpiprt2 at acpi0: bus -1 (RP02)
> acpiprt3 at acpi0: bus 2 (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 -1 (PEG0)
> acpiprt10 at acpi0: bus -1 (PEG1)
> acpiprt11 at acpi0: bus -1 (PEG2)
> acpiprt12 at acpi0: bus -1 (PEG3)
> acpiprt13 at acpi0: bus 3 (P0P1)
> acpicpu0 at acpi0: C3(350@104 mwait.1@0x20), C2(500@80 mwait.1@0x10), 
> C1(1000@1 mwait.1), PSS
> acpicpu1 at acpi0: C3(350@104 mwait.1@0x20), C2(500@80 mwait.1@0x10), 
> C1(1000@1 mwait.1), PSS
> acpicpu2 at acpi0: C3(350@104 mwait.1@0x20), C2(500@80 mwait.1@0x10), 
> C1(1000@1 mwait.1), PSS
> acpicpu3 at acpi0: C3(350@104 mwait.1@0x20), C2(500@80 mwait.1@0x10), 
> C1(1000@1 mwait.1), PSS
> acpipci0 at acpi0 PCI0: 0x00000004 0x00000011 0x00000001
> acpicmos0 at acpi0
> "PNP0A05" at acpi0 not configured
> acpibtn0 at acpi0: PWRB
> acpivideo0 at acpi0: GFX0
> acpivout0 at acpivideo0: DD02
> cpu0: using VERW MDS workaround (except on vmm entry)
> cpu0: Enhanced SpeedStep 2494 MHz: speeds: 2501, 2500, 2400, 2300, 2200, 
> 2100, 2000, 1900, 1800, 1700, 1600 MHz
> pci0 at mainbus0 bus 0
> pchb0 at pci0 dev 0 function 0 "Intel Core 2G Host" rev 0x09
> inteldrm0 at pci0 dev 2 function 0 "Intel HD Graphics 2000" rev 0x09
> drm0 at inteldrm0
> inteldrm0: msi
> "Intel 6 Series MEI" rev 0x04 at pci0 dev 22 function 0 not configured
> puc0 at pci0 dev 22 function 3 "Intel 6 Series KT" rev 0x04: ports: 16 com
> com4 at puc0 port 0 apic 2 int 17: ns16550a, 16 byte fifo
> com4: probed fifo depth: 0 bytes
> em0 at pci0 dev 25 function 0 "Intel 82579LM" rev 0x04: msi, address 
> 18:03:73:d7:92:7f
> ehci0 at pci0 dev 26 function 0 "Intel 6 Series USB" rev 0x04: apic 2 int 16
> usb0 at ehci0: USB revision 2.0
> uhub0 at usb0 configuration 1 interface 0 "Intel EHCI root hub" rev 
> 2.00/1.00 addr 1
> azalia0 at pci0 dev 27 function 0 "Intel 6 Series HD Audio" rev 0x04: msi
> azalia0: codecs: Realtek ALC269, Intel/0x2805, using Realtek ALC269
> audio0 at azalia0
> ppb0 at pci0 dev 28 function 0 "Intel 6 Series PCIE" rev 0xb4: msi
> pci1 at ppb0 bus 1
> ppb1 at pci0 dev 28 function 2 "Intel 6 Series PCIE" rev 0xb4: msi
> pci2 at ppb1 bus 2
> ehci1 at pci0 dev 29 function 0 "Intel 6 Series USB" rev 0x04: apic 2 int 17
> usb1 at ehci1: USB revision 2.0
> uhub1 at usb1 configuration 1 interface 0 "Intel EHCI root hub" rev 
> 2.00/1.00 addr 1
> ppb2 at pci0 dev 30 function 0 "Intel 82801BA Hub-to-PCI" rev 0xa4
> pci3 at ppb2 bus 3
> pcib0 at pci0 dev 31 function 0 "Intel Q67 LPC" rev 0x04
> ahci0 at pci0 dev 31 function 2 "Intel 6 Series AHCI" rev 0x04: msi, 
> AHCI 1.3
> ahci0: port 0: 3.0Gb/s
> ahci0: port 1: 1.5Gb/s
> scsibus1 at ahci0: 32 targets
> sd0 at scsibus1 targ 0 lun 0: <ATA, ST9250410AS, D005> naa.5000c50044843cfd
> sd0: 238475MB, 512 bytes/sector, 488397168 sectors
> cd0 at scsibus1 targ 1 lun 0: <HL-DT-ST, DVD+-RW GT50N, A101> removable
> ichiic0 at pci0 dev 31 function 3 "Intel 6 Series SMBus" rev 0x04: apic 
> 2 int 18
> iic0 at ichiic0
> spdmem0 at iic0 addr 0x50: 2GB DDR3 SDRAM PC3-10600
> spdmem1 at iic0 addr 0x52: 2GB DDR3 SDRAM PC3-10600
> isa0 at pcib0
> isadma0 at isa0
> com0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo
> pckbc0 at isa0 port 0x60/5 irq 1 irq 12
> pckbd0 at pckbc0 (kbd slot)
> wskbd0 at pckbd0: console keyboard
> pcppi0 at isa0 port 0x61
> spkr0 at pcppi0
> lpt0 at isa0 port 0x378/4 irq 7
> vmm0 at mainbus0: VMX/EPT
> uhub2 at uhub0 port 1 configuration 1 interface 0 "Intel Rate Matching 
> Hub" rev 2.00/0.00 addr 2
> uhub3 at uhub1 port 1 configuration 1 interface 0 "Intel Rate Matching 
> Hub" rev 2.00/0.00 addr 2
> uhidev0 at uhub3 port 7 configuration 1 interface 0 "BTC USB Multimedia 
> Keyboard" rev 1.10/1.00 addr 3
> uhidev0: iclass 3/1
> ukbd0 at uhidev0: 8 variable keys, 6 key codes
> wskbd1 at ukbd0 mux 1
> uhidev1 at uhub3 port 7 configuration 1 interface 1 "BTC USB Multimedia 
> Keyboard" rev 1.10/1.00 addr 3
> uhidev1: iclass 3/0, 3 report ids
> uhid0 at uhidev1 reportid 1: input=1, output=0, feature=0
> uhid1 at uhidev1 reportid 2: input=3, output=0, feature=0
> uhid2 at uhidev1 reportid 3: input=3, output=0, feature=8
> vscsi0 at root
> scsibus2 at vscsi0: 256 targets
> softraid0 at root
> scsibus3 at softraid0: 256 targets
> root on sd0a (4d0cb73d095c6615.a) swap on sd0b dump on sd0b
> 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)
> 
> $ sysctl hw
> hw.machine=amd64
> hw.model=Intel(R) Core(TM) i5-2400S CPU @ 2.50GHz
> hw.ncpu=4
> hw.byteorder=1234
> hw.pagesize=4096
> hw.disknames=sd0:4d0cb73d095c6615,cd0:
> hw.diskcount=2
> hw.sensors.cpu0.temp0=69.00 degC
> hw.cpuspeed=2494
> hw.setperf=99
> hw.vendor=Dell Inc.
> hw.product=OptiPlex 990
> hw.version=01
> hw.serialno=33QV65J
> hw.uuid=44454c4c-3300-1051-8056-b3c04f36354a
> hw.physmem=4153880576
> hw.usermem=4153851904
> hw.ncpufound=4
> hw.allowpowerdown=1
> hw.perfpolicy=manual
> hw.smt=0
> hw.ncpuonline=4
> $
> 

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