I'm on -current #168 (Thu Jul  4 18:00:50 MDT 2024) and I
cannot suspend (sleep) my computer using zzz. When I run zzz,
the screen enter power save mode, the machine seems to be
sleeping: the lights on the power button goes blinking for 2s,
and then the machine wake up.

The machine is Dell Optiplex 9020
CPU: Intel(R) Core(TM) i5-4570 CPU @ 3.20GHz
I started apmd without flag.

OpenBSD 7.5-current (GENERIC.MP) #168: Thu Jul  4 18:00:50 MDT 2024
    dera...@amd64.openbsd.org:/usr/src/sys/arch/amd64/compile/GENERIC.MP
real mem = 8409645056 (8020MB)
avail mem = 8131563520 (7754MB)
random: good seed from bootblocks
mpath0 at root
mainbus0 at root
bios0 at mainbus0: SMBIOS rev. 2.7 @ 0xe0000 (87 entries)
bios0: vendor Dell Inc. version "A25" date 05/30/2019
bios0: Dell Inc. OptiPlex 9020
efi0 at bios0: UEFI 2.3.1
efi0: American Megatrends rev 0x4028d
acpi0 at bios0: ACPI 5.0
acpi0: sleep states S0 S3 S4 S5
acpi0: tables DSDT FACP APIC FPDT SLIC LPIT SSDT SSDT SSDT HPET SSDT
MCFG SSDT ASF! SSDT BGRT DMAR TCPA
acpi0: wakeup devices UAR1(S3) PXSX(S4) PXSX(S4) PXSX(S4) PXSX(S4)
PXSX(S4) PXSX(S4) PXSX(S4) GLAN(S4) EHC1(S3) EHC2(S3) XHC_(S4)
HDEF(S4) PEG0(S4) PEGP(S4) PEG1(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) i5-4570 CPU @ 3.20GHz, 3192.70 MHz, 06-3c-03,
patch 00000028
cpu0: cpuid 1 
edx=bfebfbff<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>
ecx=77fafbff<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>
cpu0: cpuid 6 eax=75<SENSOR,ARAT> ecx=9<EFFFREQ>
cpu0: cpuid 7.0
ebx=27ab<FSGSBASE,TSC_ADJUST,BMI1,AVX2,SMEP,BMI2,ERMS,INVPCID>
edx=9c000600<SRBDS_CTRL,MD_CLEAR,IBRS,IBPB,STIBP,L1DF,SSBD>
cpu0: cpuid a vers=3, gp=8, gpwidth=48, ff=3, ffwidth=48
cpu0: cpuid d.1 eax=1<XSAVEOPT>
cpu0: cpuid 80000001 edx=2c100800<NXE,PAGE1GB,RDTSCP,LONG> ecx=21<LAHF,ABM>
cpu0: cpuid 80000007 edx=100<ITSC>
cpu0: MELTDOWN
cpu0: 32KB 64b/line 8-way D-cache, 32KB 64b/line 8-way I-cache, 256KB
64b/line 8-way L2 cache, 6MB 64b/line 12-way L3 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) Core(TM) i5-4570 CPU @ 3.20GHz, 3192.76 MHz, 06-3c-03,
patch 00000028
cpu1: smt 0, core 1, package 0
cpu2 at mainbus0: apid 4 (application processor)
cpu2: Intel(R) Core(TM) i5-4570 CPU @ 3.20GHz, 3192.79 MHz, 06-3c-03,
patch 00000028
cpu2: smt 0, core 2, package 0
cpu3 at mainbus0: apid 6 (application processor)
cpu3: Intel(R) Core(TM) i5-4570 CPU @ 3.20GHz, 3192.86 MHz, 06-3c-03,
patch 00000028
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 -1 (PEG0)
acpiprt2 at acpi0: bus -1 (PEG1)
acpiprt3 at acpi0: bus -1 (PEG2)
acpiec0 at acpi0: not present
acpipci0 at acpi0 PCI0: 0x00000000 0x00000011 0x00000001
acpicmos0 at acpi0
com0 at acpi0 UAR1 addr 0x3f8/0x8 irq 4: ns16550a, 16 byte fifo
acpibtn0 at acpi0: PWRB(wakeup)
"PNP0C14" at acpi0 not configured
tpm0 at acpi0 TPM_ 1.2 (TIS) addr 0xfed40000/0x5000, device 0x0000104a rev 0x4e
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
acpivideo0 at acpi0: GFX0
acpivout0 at acpivideo0: DD1F
cpu0: using VERW MDS workaround (except on vmm entry)
cpu0: Enhanced SpeedStep 3192 MHz: speeds: 3200, 3000, 2900, 2700,
2600, 2400, 2200, 2100, 1900, 1800, 1600, 1400, 1300, 1100, 1000, 800
MHz
pci0 at mainbus0 bus 0
pchb0 at pci0 dev 0 function 0 "Intel Core 4G Host" rev 0x06
inteldrm0 at pci0 dev 2 function 0 "Intel HD Graphics 4600" rev 0x06
drm0 at inteldrm0
inteldrm0: msi, HASWELL, gen 7
azalia0 at pci0 dev 3 function 0 "Intel Core 4G HD Audio" rev 0x06: msi
azalia0: No codecs found
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
em0 at pci0 dev 25 function 0 "Intel I217-LM" rev 0x04: msi, address
34:17:eb:a5:03:5f
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
azalia1 at pci0 dev 27 function 0 "Intel 8 Series HD Audio" rev 0x04: msi
azalia1: codecs: Realtek ALC280
audio0 at azalia1
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 Q87 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
ahci0: port 1: 1.5Gb/s
scsibus1 at ahci0: 32 targets
sd0 at scsibus1 targ 0 lun 0: <ATA, ST500DM002-1BD14, KC48> naa.5000c5006723dcbe
sd0: 476940MB, 512 bytes/sector, 976773168 sectors
cd0 at scsibus1 targ 1 lun 0: <PLDS, DVD-ROM DS-8DBSH, CD11> removable
ichiic0 at pci0 dev 31 function 3 "Intel 8 Series SMBus" rev 0x04: apic 8 int 18
iic0 at ichiic0
spdmem0 at iic0 addr 0x51: 4GB DDR3 SDRAM PC3-12800
spdmem1 at iic0 addr 0x53: 4GB DDR3 SDRAM PC3-12800
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
pcppi0 at isa0 port 0x61
spkr0 at pcppi0
vmm0 at mainbus0: VMX/EPT
efifb at mainbus0 not configured
uhidev0 at uhub0 port 5 configuration 1 interface 0 "Dell Dell KB216
Wired Keyboard" rev 2.00/1.10 addr 2
uhidev0: iclass 3/1
ukbd0 at uhidev0: 8 variable keys, 6 key codes
wskbd1 at ukbd0 mux 1
uhidev1 at uhub0 port 5 configuration 1 interface 1 "Dell Dell KB216
Wired Keyboard" rev 2.00/1.10 addr 2
uhidev1: iclass 3/0, 2 report ids
uhid0 at uhidev1 reportid 1: input=1, output=0, feature=0
ucc0 at uhidev1 reportid 2: 573 usages, 20 keys, array
wskbd2 at ucc0 mux 1
uhidev2 at uhub0 port 6 configuration 1 interface 0 "Genius Optical
Mouse" rev 1.10/1.00 addr 3
uhidev2: iclass 3/1
ums0 at uhidev2: 3 buttons, Z dir
wsmouse0 at ums0 mux 0
uhub3 at uhub1 port 1 configuration 1 interface 0 "Intel Rate Matching
Hub" rev 2.00/0.04 addr 2
uhub4 at uhub2 port 1 configuration 1 interface 0 "Intel Rate Matching
Hub" rev 2.00/0.04 addr 2
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: 476679MB, 512 bytes/sector, 976240063 sectors
root on sd1a (d6f06db125a18e21.a) swap on sd1b dump on sd1b
inteldrm0: 1280x1024, 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
uhidev0 detached
uhid0 detached
wskbd2: disconnecting from wsdisplay0
wskbd2 detached
ucc0 detached
uhidev1 detached
wsmouse0 detached
ums0 detached
uhidev2 detached
uhub0 detached
uhub3 detached
uhub1 detached
uhub4 detached
uhub2 detached
uhub0 at usb0 configuration 1 interface 0 "Intel xHCI root hub" rev
3.00/1.00 addr 1
uhub1 at usb1 configuration 1 interface 0 "Intel EHCI root hub" rev
2.00/1.00 addr 1
uhub2 at usb2 configuration 1 interface 0 "Intel EHCI root hub" rev
2.00/1.00 addr 1
wakeup event: GPE 0x0
uhidev0 at uhub0 port 5 configuration 1 interface 0 "Dell Dell KB216
Wired Keyboard" rev 2.00/1.10 addr 2
uhidev0: iclass 3/1
ukbd0 at uhidev0: 8 variable keys, 6 key codes
wskbd1 at ukbd0 mux 1
wskbd1: connecting to wsdisplay0
uhidev1 at uhub0 port 5 configuration 1 interface 1 "Dell Dell KB216
Wired Keyboard" rev 2.00/1.10 addr 2
uhidev1: iclass 3/0, 2 report ids
uhid0 at uhidev1 reportid 1: input=1, output=0, feature=0
ucc0 at uhidev1 reportid 2: 573 usages, 20 keys, array
wskbd2 at ucc0 mux 1
wskbd2: connecting to wsdisplay0
uhidev2 at uhub0 port 6 configuration 1 interface 0 "Genius Optical
Mouse" rev 1.10/1.00 addr 3
uhidev2: iclass 3/1
ums0 at uhidev2: 3 buttons, Z dir
wsmouse0 at ums0 mux 0
uhub3 at uhub1 port 1 configuration 1 interface 0 "Intel Rate Matching
Hub" rev 2.00/0.04 addr 2
uhub4 at uhub2 port 1 configuration 1 interface 0 "Intel Rate Matching
Hub" rev 2.00/0.04 addr 2
wskbd1: disconnecting from wsdisplay0
wskbd1 detached
ukbd0 detached
uhidev0 detached
uhid0 detached
wskbd2: disconnecting from wsdisplay0
wskbd2 detached
ucc0 detached
uhidev1 detached
wsmouse0 detached
ums0 detached
uhidev2 detached
uhub0 detached
uhub3 detached
uhub1 detached
uhub4 detached
uhub2 detached
uhub0 at usb0 configuration 1 interface 0 "Intel xHCI root hub" rev
3.00/1.00 addr 1
uhub1 at usb1 configuration 1 interface 0 "Intel EHCI root hub" rev
2.00/1.00 addr 1
uhub2 at usb2 configuration 1 interface 0 "Intel EHCI root hub" rev
2.00/1.00 addr 1
wakeup event: GPE 0x0
uhidev0 at uhub0 port 5 configuration 1 interface 0 "Dell Dell KB216
Wired Keyboard" rev 2.00/1.10 addr 2
uhidev0: iclass 3/1
ukbd0 at uhidev0: 8 variable keys, 6 key codes
wskbd1 at ukbd0 mux 1
wskbd1: connecting to wsdisplay0
uhidev1 at uhub0 port 5 configuration 1 interface 1 "Dell Dell KB216
Wired Keyboard" rev 2.00/1.10 addr 2
uhidev1: iclass 3/0, 2 report ids
uhid0 at uhidev1 reportid 1: input=1, output=0, feature=0
ucc0 at uhidev1 reportid 2: 573 usages, 20 keys, array
wskbd2 at ucc0 mux 1
wskbd2: connecting to wsdisplay0
uhidev2 at uhub0 port 6 configuration 1 interface 0 "Genius Optical
Mouse" rev 1.10/1.00 addr 3
uhidev2: iclass 3/1
ums0 at uhidev2: 3 buttons, Z dir
wsmouse0 at ums0 mux 0
uhub3 at uhub1 port 1 configuration 1 interface 0 "Intel Rate Matching
Hub" rev 2.00/0.04 addr 2
uhub4 at uhub2 port 1 configuration 1 interface 0 "Intel Rate Matching
Hub" rev 2.00/0.04 addr 2
wskbd1: disconnecting from wsdisplay0
wskbd1 detached
ukbd0 detached
uhidev0 detached
uhid0 detached
wskbd2: disconnecting from wsdisplay0
wskbd2 detached
ucc0 detached
uhidev1 detached
wsmouse0 detached
ums0 detached
uhidev2 detached
uhub0 detached
uhub3 detached
uhub1 detached
uhub4 detached
uhub2 detached
uhub0 at usb0 configuration 1 interface 0 "Intel xHCI root hub" rev
3.00/1.00 addr 1
uhub1 at usb1 configuration 1 interface 0 "Intel EHCI root hub" rev
2.00/1.00 addr 1
uhub2 at usb2 configuration 1 interface 0 "Intel EHCI root hub" rev
2.00/1.00 addr 1
wakeup event: GPE 0x0
uhidev0 at uhub0 port 5 configuration 1 interface 0 "Dell Dell KB216
Wired Keyboard" rev 2.00/1.10 addr 2
uhidev0: iclass 3/1
ukbd0 at uhidev0: 8 variable keys, 6 key codes
wskbd1 at ukbd0 mux 1
wskbd1: connecting to wsdisplay0
uhidev1 at uhub0 port 5 configuration 1 interface 1 "Dell Dell KB216
Wired Keyboard" rev 2.00/1.10 addr 2
uhidev1: iclass 3/0, 2 report ids
uhid0 at uhidev1 reportid 1: input=1, output=0, feature=0
ucc0 at uhidev1 reportid 2: 573 usages, 20 keys, array
wskbd2 at ucc0 mux 1
wskbd2: connecting to wsdisplay0
uhidev2 at uhub0 port 6 configuration 1 interface 0 "Genius Optical
Mouse" rev 1.10/1.00 addr 3
uhidev2: iclass 3/1
ums0 at uhidev2: 3 buttons, Z dir
wsmouse0 at ums0 mux 0
uhub3 at uhub1 port 1 configuration 1 interface 0 "Intel Rate Matching
Hub" rev 2.00/0.04 addr 2
uhub4 at uhub2 port 1 configuration 1 interface 0 "Intel Rate Matching
Hub" rev 2.00/0.04 addr 2

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