visa pointed me at sys/kern/kern_event.c r1.132 as a possibility -
I reverted that yesterday and haven't seen the system hang yet.
That's not conclusive but considering how things were going before,
I think it would have happened by now.


On 2020/05/23 23:41, Stuart Henderson wrote:
> I have some hangs with my main workstation running -current if I'm
> running X. I've seen it a couple of times in a day - unsure of anything
> in particular that triggers it (I thought maybe browser-related but
> I've seen it while not actively using a browser too). When it happens
> I can't access DDB via BREAK, and there's nothing on the console
> from an MP_LOCKDEBUG kernel. Nothing stands out with WITNESS either
> (vmmaplk/inode lock order reversal during boot after attaching root,
> but I don't think that's unusual).
> 
> I haven't triggered it if X is not running. I've now installed 6.7-release
> files over the top and haven't triggered it yet with that either (12h
> uptime on that now - I was lucky if it got to 3 or 4 hours before).
> (The last couple of times I did trigger it, fsck had to work quite hard
> afterwards).
> 
> Any ideas where to poke or of any suspicious commits? I had a look
> through the post-6.7 history but nothing stood out. The window of when
> it started in snapshots seems to be between release and something like
> GENERIC.MP #201: Tue May 19 18:18:29 MDT.
> 
> 
> OpenBSD 6.7 (GENERIC.MP) #182: Thu May  7 11:11:58 MDT 2020
>     dera...@amd64.openbsd.org:/usr/src/sys/arch/amd64/compile/GENERIC.MP
> real mem = 34247069696 (32660MB)
> avail mem = 33196531712 (31658MB)
> mpath0 at root
> scsibus0 at mpath0: 256 targets
> mainbus0 at root
> bios0 at mainbus0: SMBIOS rev. 2.7 @ 0xec400 (92 entries)
> bios0: vendor Dell Inc. version "A12" date 05/11/2017
> bios0: Dell Inc. PowerEdge T20
> acpi0 at bios0: ACPI 5.0
> acpi0: sleep states S0 S4 S5
> acpi0: tables DSDT FACP APIC FPDT SLIC LPIT SSDT SSDT SSDT HPET SSDT MCFG 
> SSDT ASF! DMAR
> acpi0: wakeup devices UAR1(S4) RP01(S4) PXSX(S4) RP02(S4) PXSX(S4) PXSX(S4) 
> RP05(S4) PXSX(S4) PXSX(S4) PXSX(S4) PXSX(S4) GLAN(S4) EHC1(S3) EHC2(S3) 
> XHC_(S4) HDEF(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) Xeon(R) CPU E3-1225 v3 @ 3.20GHz, 3392.66 MHz, 06-3c-03
> 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,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,PERF,ITSC,FSGSBASE,TSC_ADJUST,BMI1,AVX2,SMEP,BMI2,ERMS,INVPCID,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=0.2.1.2.4, IBE
> cpu1 at mainbus0: apid 2 (application processor)
> cpu1: Intel(R) Xeon(R) CPU E3-1225 v3 @ 3.20GHz, 3392.16 MHz, 06-3c-03
> 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,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,PERF,ITSC,FSGSBASE,TSC_ADJUST,BMI1,AVX2,SMEP,BMI2,ERMS,INVPCID,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) Xeon(R) CPU E3-1225 v3 @ 3.20GHz, 3392.16 MHz, 06-3c-03
> 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,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,PERF,ITSC,FSGSBASE,TSC_ADJUST,BMI1,AVX2,SMEP,BMI2,ERMS,INVPCID,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) Xeon(R) CPU E3-1225 v3 @ 3.20GHz, 3392.16 MHz, 06-3c-03
> 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,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,PERF,ITSC,FSGSBASE,TSC_ADJUST,BMI1,AVX2,SMEP,BMI2,ERMS,INVPCID,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 8 pa 0xfec00000, version 20, 24 pins
> acpihpet0 at acpi0: 14318179 Hz
> acpimcfg0 at acpi0
> acpimcfg0: addr 0xf8000000, bus 0-63
> acpiprt0 at acpi0: bus 0 (PCI0)
> acpiprt1 at acpi0: bus 2 (RP01)
> acpiprt2 at acpi0: bus 3 (RP02)
> acpiprt3 at acpi0: bus 5 (RP05)
> acpiprt4 at acpi0: bus 1 (PEG0)
> acpiprt5 at acpi0: bus -1 (PEG1)
> acpiprt6 at acpi0: bus -1 (PEG2)
> acpiec0 at acpi0: not present
> acpicpu0 at acpi0: C2(200@148 mwait.1@0x33), C1(1000@1 mwait.1), PSS
> acpicpu1 at acpi0: C2(200@148 mwait.1@0x33), C1(1000@1 mwait.1), PSS
> acpicpu2 at acpi0: C2(200@148 mwait.1@0x33), C1(1000@1 mwait.1), PSS
> acpicpu3 at acpi0: C2(200@148 mwait.1@0x33), C1(1000@1 mwait.1), PSS
> acpitz0 at acpi0: critical temperature is 105 degC
> acpitz1 at acpi0: critical temperature is 105 degC
> acpipci0 at acpi0 PCI0: 0x00000000 0x00000011 0x00000001
> acpicmos0 at acpi0
> acpibtn0 at acpi0: PWRB
> "PNP0C14" at acpi0 not configured
> acpivideo0 at acpi0: GFX0
> acpivout0 at acpivideo0: DD1F
> cpu0: using VERW MDS workaround (except on vmm entry)
> cpu0: Enhanced SpeedStep 3392 MHz: speeds: 3201, 3200, 3000, 2900, 2700, 
> 2500, 2300, 2200, 2000, 1800, 1700, 1500, 1300, 1100, 1000, 800 MHz
> pci0 at mainbus0 bus 0
> pchb0 at pci0 dev 0 function 0 "Intel Xeon E3-1200 v3 Host" rev 0x06
> ppb0 at pci0 dev 1 function 0 "Intel Core 4G PCIE" rev 0x06: msi
> pci1 at ppb0 bus 1
> em0 at pci1 dev 0 function 0 "Intel 82572EI" rev 0x06: apic 8 int 16, address 
> 00:15:17:8e:79:85
> inteldrm0 at pci0 dev 2 function 0 "Intel HD Graphics P4600" rev 0x06
> drm0 at inteldrm0
> inteldrm0: msi, HASWELL, gen 7
> xhci0 at pci0 dev 20 function 0 "Intel 8 Series xHCI" rev 0x04: msi, xHCI 1.0
> 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 8 Series MEI" rev 0x04 at pci0 dev 22 function 0 not configured
> puc0 at pci0 dev 22 function 3 "Intel 8 Series KT" rev 0x04: ports: 16 com
> com4 at puc0 port 0 apic 8 int 19: ns16550a, 16 byte fifo
> com4: probed fifo depth: 0 bytes
> em1 at pci0 dev 25 function 0 "Intel I217-LM" rev 0x04: msi, address 
> f8:b1:56:ac:32:76
> ehci0 at pci0 dev 26 function 0 "Intel 8 Series USB" rev 0x04: apic 8 int 16
> usb1 at ehci0: USB revision 2.0
> uhub1 at usb1 configuration 1 interface 0 "Intel EHCI root hub" rev 2.00/1.00 
> addr 1
> azalia0 at pci0 dev 27 function 0 "Intel 8 Series HD Audio" rev 0x04: msi
> azalia0: codecs: Realtek/0x0280
> audio0 at azalia0
> ppb1 at pci0 dev 28 function 0 "Intel 8 Series PCIE" rev 0xd4
> pci2 at ppb1 bus 2
> ppb2 at pci0 dev 28 function 1 "Intel 8 Series PCIE" rev 0xd4: msi
> pci3 at ppb2 bus 3
> ppb3 at pci3 dev 0 function 0 "TI XIO2001 PCIE-PCI" rev 0x00
> pci4 at ppb3 bus 4
> ppb4 at pci0 dev 28 function 4 "Intel 8 Series PCIE" rev 0xd4: msi
> pci5 at ppb4 bus 5
> nvme0 at pci5 dev 0 function 0 "Samsung SM961/PM961 NVMe" rev 0x00: msix, 
> NVMe 1.2
> nvme0: SAMSUNG MZVLW256HEHP-000L7, firmware 4L7QCXB7, serial S35ENX0J765205
> scsibus1 at nvme0: 2 targets, initiator 0
> sd0 at scsibus1 targ 1 lun 0: <NVMe, SAMSUNG MZVLW256, 4L7Q>
> sd0: 244198MB, 512 bytes/sector, 500118192 sectors
> ehci1 at pci0 dev 29 function 0 "Intel 8 Series USB" rev 0x04: apic 8 int 23
> usb2 at ehci1: USB revision 2.0
> uhub2 at usb2 configuration 1 interface 0 "Intel EHCI root hub" rev 2.00/1.00 
> addr 1
> pcib0 at pci0 dev 31 function 0 "Intel C226 LPC" rev 0x04
> ahci0 at pci0 dev 31 function 2 "Intel 8 Series AHCI" rev 0x04: msi, AHCI 1.3
> ahci0: port 0: 6.0Gb/s
> scsibus2 at ahci0: 32 targets
> sd1 at scsibus2 targ 0 lun 0: <ATA, Samsung SSD 860, RVT0> 
> naa.5002538e9984204d
> sd1: 476940MB, 512 bytes/sector, 976773168 sectors, thin
> ichiic0 at pci0 dev 31 function 3 "Intel 8 Series SMBus" rev 0x04: apic 8 int 
> 18
> iic0 at ichiic0
> sdtemp0 at iic0 addr 0x18: stts2002
> sdtemp1 at iic0 addr 0x19: stts2002
> sdtemp2 at iic0 addr 0x1a: stts2002
> sdtemp3 at iic0 addr 0x1b: stts2002
> spdmem0 at iic0 addr 0x50: 8GB DDR3 SDRAM ECC PC3-12800 with thermal sensor
> spdmem1 at iic0 addr 0x51: 8GB DDR3 SDRAM ECC PC3-12800 with thermal sensor
> spdmem2 at iic0 addr 0x52: 8GB DDR3 SDRAM ECC PC3-12800 with thermal sensor
> spdmem3 at iic0 addr 0x53: 8GB DDR3 SDRAM ECC PC3-12800 with thermal sensor
> isa0 at pcib0
> isadma0 at isa0
> com0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo
> com0: console
> 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
> wbsio0 at isa0 port 0x2e/2 rev 0x00
> vmm0 at mainbus0: VMX/EPT
> uhub3 at uhub0 port 3 configuration 1 interface 0 "Genesys Logic USB2.0 Hub" 
> rev 2.00/77.64 addr 2
> uhub4 at uhub3 port 4 configuration 1 interface 0 "Genesys Logic USB2.0 Hub" 
> rev 2.00/77.64 addr 3
> uhub5 at uhub0 port 4 configuration 1 interface 0 "Texas Instruments product 
> 0x8142" rev 2.10/1.00 addr 4
> uhub6 at uhub5 port 4 configuration 1 interface 0 "Texas Instruments product 
> 0x8142" rev 2.10/1.00 addr 5
> uhub7 at uhub0 port 5 configuration 1 interface 0 "GenesysLogic USB2.0 Hub" 
> rev 2.00/92.24 addr 6
> uhub7: device problem, disabling port 1
> uaudio0 at uhub7 port 2 configuration 1 interface 1 "GN Netcom GN 9350" rev 
> 2.00/1.00 addr 7
> uaudio0: class v1, full-speed, sync, channels: 1 play, 1 rec, 4 ctls
> audio1 at uaudio0
> uhidev0 at uhub7 port 2 configuration 1 interface 3 "GN Netcom GN 9350" rev 
> 2.00/1.00 addr 7
> uhidev0: iclass 3/0
> uhid0 at uhidev0: input=2, output=2, feature=0
> uhidev1 at uhub7 port 4 configuration 1 interface 0 "Yubico Yubico Yubikey 
> II" rev 2.00/2.12 addr 8
> uhidev1: iclass 3/1
> ukbd0 at uhidev1: 8 variable keys, 6 key codes
> wskbd1 at ukbd0 mux 1
> umass0 at uhub0 port 6 configuration 1 interface 0 "Realtek USB3.0 Card 
> Reader" rev 2.10/1.32 addr 9
> umass0: using SCSI over Bulk-Only
> scsibus3 at umass0: 2 targets, initiator 0
> sd2 at scsibus3 targ 1 lun 0: <Generic-, USB3.0 CRW-CF/MD, 1.00> removable
> sd3 at scsibus3 targ 1 lun 1: <Generic-, USB3.0 CRW-SM/xD, 1.00> removable
> sd4 at scsibus3 targ 1 lun 2: <Generic-, USB3.0 CRW-SD, 1.00> removable
> sd5 at scsibus3 targ 1 lun 3: <Generic-, USB3.0 CRW-MS, 1.00> removable
> sd6 at scsibus3 targ 1 lun 4: <Generic-, USB3.0 CRW-SD/MS, 1.00> removable
> umodem0 at uhub0 port 8 configuration 1 interface 0 "SoftIron, Inc. OverDrive 
> 1000" rev 2.00/1.02 addr 10
> umodem0: data interface 1, has no CM over data, has break
> umodem0: status change notification available
> ucom0 at umodem0
> ugen0 at uhub0 port 8 configuration 1 "SoftIron, Inc. OverDrive 1000" rev 
> 2.00/1.02 addr 10
> uhidev2 at uhub0 port 10 configuration 1 interface 0 "Lite-On Technology 
> Corp. ThinkPad USB Keyboard with TrackPoint" rev 1.10/1.27 addr 11
> uhidev2: iclass 3/1
> ukbd1 at uhidev2: 8 variable keys, 6 key codes
> wskbd2 at ukbd1 mux 1
> uhidev3 at uhub0 port 10 configuration 1 interface 1 "Lite-On Technology 
> Corp. ThinkPad USB Keyboard with TrackPoint" rev 1.10/1.27 addr 11
> uhidev3: iclass 3/0, 4 report ids
> ums0 at uhidev3 reportid 1: 3 buttons
> wsmouse0 at ums0 mux 0
> uhid1 at uhidev3 reportid 2: input=1, output=0, feature=0
> uhid2 at uhidev3 reportid 3: input=3, output=1, feature=0
> uhid3 at uhidev3 reportid 4: input=0, output=0, feature=4
> uhub8 at uhub0 port 21 configuration 1 interface 0 "Texas Instruments product 
> 0x8140" rev 3.00/1.00 addr 12
> uhub9 at uhub8 port 4 configuration 1 interface 0 "Texas Instruments product 
> 0x8140" rev 3.00/1.00 addr 13
> uhub10 at uhub1 port 1 configuration 1 interface 0 "Intel Rate Matching Hub" 
> rev 2.00/0.04 addr 2
> uhub11 at uhub2 port 1 configuration 1 interface 0 "Intel Rate Matching Hub" 
> rev 2.00/0.04 addr 2
> vscsi0 at root
> scsibus4 at vscsi0: 256 targets
> softraid0 at root
> scsibus5 at softraid0: 256 targets
> root on sd1a (2b4432fd9000a5b7.a) swap on sd1b dump on sd1b
> inteldrm0: 1920x1200, 32bpp
> wsdisplay0 at inteldrm0 mux 1: console (std, vt100 emulation), using wskbd0
> wskbd1: connecting to wsdisplay0
> wskbd2: connecting to wsdisplay0
> wsdisplay0: screen 1-5 added (std, vt100 emulation)
> wskbd1: disconnecting from wsdisplay0
> wskbd1 detached
> ukbd0 detached
> uhidev1 detached
> arp_rtrequest: bad gateway value: vlan5
> uhidev1 at uhub7 port 4 configuration 1 interface 0 "Yubico Yubico Yubikey 
> II" rev 2.00/2.12 addr 8
> uhidev1: iclass 3/1
> ukbd0 at uhidev1: 8 variable keys, 6 key codes
> wskbd1 at ukbd0: console keyboard, using wsdisplay0
> 

Reply via email to