💾 Archived View for thfr.info › openbsd › trying-suspend-to-idle.gmi captured on 2024-06-16 at 12:23:50. Gemini links have been rewritten to link to archived content
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OpenBSD has long supported suspend via apm(8), using S3. This mode of CPU suspend has slowly been replaced by other methods - "modern standby (S0)". The goal appears to be acting like phones that transition between these states instantly:
When you wake up your phone, it is instantly ready to go. Your email, messages, and notifications are up to date because, even with your phone asleep, it is still connected and updating itself, all without a big hit to the battery life. Modern Standby is Microsoft's effort to bring similar instant-on readiness to Windows.
As a consequence, many laptops in recent years don't support S3 at all. This applies to several of my laptops, including the Dell Precision and the Framework 16.
When I tried to use zzz(8), OpenBSD would simply tell me that S3 is not supported... until now!
Thanks to kettenis@'s work, we now have an alternate option, at least on (some) amd64 machines to suspend that works with laptops like mine that lack S3 support:
After updating my system's snapshot, I booted and then just tried
$ zzz
from X11 ... and voila, the screen went bla[cn]k and after a few seconds, the key backlight turned off. The light of the power button remained on (no blinking or other change to indicate any kind of suspend/sleep state).
So the first half of this worked as expected! Now I tried to resume... I first hit the space bar - the key backlight turned on, but nothing else happened. I tried a few other keys - it seems that regular key presses don't wake up the laptop. This is fine with me, as long as other buttons can bring it back up!
So I tried pressing the power button ... once, twice... No change. I started to worry a bit that this computer wasn't ready for this. After nothing woke up the screen/laptop, I pressed the power button for a few seconds...
... and there it was - the X11 windows was back up, where I had entered zzz(8)!
It seems that I need to hold the power button for a few seconds on this laptop to resume - this is a little unintuitive, as I was expecting this to trigger a cold shutdown. I suspect holding the button even longer will do that indeed.
But now that I know this, this is a huge improvement for my OpenBSD laptop use! I've come to work around lack of suspend for years now, with seeking out power plugs and just shutting down or sometimes hibernating the system when I have work to resume. I've missed a quick and reliable suspend/sleep mode and it looks like it's finally back!
OpenBSD 7.5-current (GENERIC.MP) #124: Tue Jun 11 11:20:39 MDT 2024
deraadt@amd64.openbsd.org:/usr/src/sys/arch/amd64/compile/GENERIC.MP
real mem = 33493360640 (31941MB)
avail mem = 32454733824 (30951MB)
random: good seed from bootblocks
mpath0 at root
scsibus0 at mpath0: 256 targets
mainbus0 at root
bios0 at mainbus0: SMBIOS rev. 3.2 @ 0x3e391000 (74 entries)
bios0: vendor Dell Inc. version "1.27.0" date 11/03/2023
bios0: Dell Inc. Precision 7560
efi0 at bios0: UEFI 2.7
efi0: Dell rev 0x10000
acpi0 at bios0: ACPI 6.1
acpi0: sleep states S0 S4 S5
acpi0: tables DSDT FACP SSDT SSDT HPET APIC SSDT NHLT SSDT SSDT SSDT SSDT LPIT SSDT SSDT DBGP DBG2 BOOT SSDT TPM2 DMAR SSDT SSDT MCFG SSDT PTDT BGRT FPDT
acpi0: wakeup devices GLAN(S4) XHCI(S0) XDCI(S4) HDAS(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
acpihpet0 at acpi0: 19200000 Hz
acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat
cpu0 at mainbus0: apid 0 (boot processor)
cpu0: Intel(R) Xeon(R) W-11955M CPU @ 2.60GHz, 4988.50 MHz, 06-8d-01, patch 00000050
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=17eff7<SENSOR,ARAT> ecx=9<EFFFREQ>
cpu0: cpuid 7.0 ebx=f3bfa7eb<FSGSBASE,TSC_ADJUST,BMI1,AVX2,SMEP,BMI2,ERMS,INVPCID,AVX512F,AVX512DQ,RDSEED,ADX,SMAP,AVX512IFMA,CLFLUSHOPT,CLWB,PT,AVX512CD,SHA,AVX512BW,AVX512VL> ecx=18c07fce<AVX512VBMI,UMIP,PKU> edx=fc100510<MD_CLEAR,IBT,IBRS,IBPB,STIBP,L1DF,SSBD>
cpu0: cpuid a vers=5, gp=8, gpwidth=48, ff=4, ffwidth=48
cpu0: cpuid d.1 eax=f<XSAVEOPT,XSAVEC,XGETBV1,XSAVES>
cpu0: cpuid 80000001 edx=2c100800<NXE,PAGE1GB,RDTSCP,LONG> ecx=121<LAHF,ABM,3DNOWP>
cpu0: cpuid 80000007 edx=100<ITSC>
cpu0: msr 10a=a007c6b<IBRS_ALL,SKIP_L1DFL,MDS_NO,IF_PSCHANGE,MISC_PKG_CT,ENERGY_FILT,DOITM,SBDR_SSDP_N,FBSDP_NO,GDS_CTRL,RFDS_NO>
cpu0: 48KB 64b/line 12-way D-cache, 32KB 64b/line 8-way I-cache, 1MB 64b/line 20-way L2 cache, 24MB 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 38MHz
cpu0: mwait min=64, max=64, C-substates=0.2.0.1.2.1.1.1, IBE
cpu1 at mainbus0: apid 2 (application processor)
cpu1: Intel(R) Xeon(R) W-11955M CPU @ 2.60GHz, 4888.75 MHz, 06-8d-01, patch 00000050
cpu1: smt 0, core 1, package 0
cpu2 at mainbus0: apid 4 (application processor)
cpu2: Intel(R) Xeon(R) W-11955M CPU @ 2.60GHz, 4888.76 MHz, 06-8d-01, patch 00000050
cpu2: smt 0, core 2, package 0
cpu3 at mainbus0: apid 6 (application processor)
cpu3: Intel(R) Xeon(R) W-11955M CPU @ 2.60GHz, 4888.74 MHz, 06-8d-01, patch 00000050
cpu3: smt 0, core 3, package 0
cpu4 at mainbus0: apid 8 (application processor)
cpu4: Intel(R) Xeon(R) W-11955M CPU @ 2.60GHz, 4788.97 MHz, 06-8d-01, patch 00000050
cpu4: smt 0, core 4, package 0
cpu5 at mainbus0: apid 10 (application processor)
cpu5: Intel(R) Xeon(R) W-11955M CPU @ 2.60GHz, 4689.20 MHz, 06-8d-01, patch 00000050
cpu5: smt 0, core 5, package 0
cpu6 at mainbus0: apid 12 (application processor)
cpu6: Intel(R) Xeon(R) W-11955M CPU @ 2.60GHz, 4589.43 MHz, 06-8d-01, patch 00000050
cpu6: smt 0, core 6, package 0
cpu7 at mainbus0: apid 14 (application processor)
cpu7: Intel(R) Xeon(R) W-11955M CPU @ 2.60GHz, 4489.66 MHz, 06-8d-01, patch 00000050
cpu7: smt 0, core 7, package 0
cpu8 at mainbus0: apid 1 (application processor)
cpu8: Intel(R) Xeon(R) W-11955M CPU @ 2.60GHz, 4489.65 MHz, 06-8d-01, patch 00000050
cpu8: smt 1, core 0, package 0
cpu9 at mainbus0: apid 3 (application processor)
cpu9: Intel(R) Xeon(R) W-11955M CPU @ 2.60GHz, 4489.65 MHz, 06-8d-01, patch 00000050
cpu9: smt 1, core 1, package 0
cpu10 at mainbus0: apid 5 (application processor)
cpu10: Intel(R) Xeon(R) W-11955M CPU @ 2.60GHz, 4489.65 MHz, 06-8d-01, patch 00000050
cpu10: smt 1, core 2, package 0
cpu11 at mainbus0: apid 7 (application processor)
cpu11: Intel(R) Xeon(R) W-11955M CPU @ 2.60GHz, 4489.65 MHz, 06-8d-01, patch 00000050
cpu11: smt 1, core 3, package 0
cpu12 at mainbus0: apid 9 (application processor)
cpu12: Intel(R) Xeon(R) W-11955M CPU @ 2.60GHz, 4489.65 MHz, 06-8d-01, patch 00000050
cpu12: smt 1, core 4, package 0
cpu13 at mainbus0: apid 11 (application processor)
cpu13: Intel(R) Xeon(R) W-11955M CPU @ 2.60GHz, 4489.65 MHz, 06-8d-01, patch 00000050
cpu13: smt 1, core 5, package 0
cpu14 at mainbus0: apid 13 (application processor)
cpu14: Intel(R) Xeon(R) W-11955M CPU @ 2.60GHz, 4489.65 MHz, 06-8d-01, patch 00000050
cpu14: smt 1, core 6, package 0
cpu15 at mainbus0: apid 15 (application processor)
cpu15: Intel(R) Xeon(R) W-11955M CPU @ 2.60GHz, 4489.65 MHz, 06-8d-01, patch 00000050
cpu15: smt 1, core 7, package 0
ioapic0 at mainbus0: apid 2 pa 0xfec00000, version 20, 120 pins
acpimcfg0 at acpi0
acpimcfg0: addr 0xc0000000, bus 0-149
acpiprt0 at acpi0: bus 0 (PC00)
acpiprt1 at acpi0: bus -1 (RP01)
acpiprt2 at acpi0: bus 147 (RP02)
acpiprt3 at acpi0: bus 148 (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 149 (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 146 (RP21)
acpiprt22 at acpi0: bus -1 (RP22)
acpiprt23 at acpi0: bus -1 (RP23)
acpiprt24 at acpi0: bus -1 (RP24)
acpiprt25 at acpi0: bus 2 (TRP0)
acpiprt26 at acpi0: bus 74 (TRP1)
acpiec0 at acpi0
acpipci0 at acpi0 PC00: 0x00000000 0x00000011 0x00000001
acpicmos0 at acpi0
"INTC1043" at acpi0 not configured
"INTC1043" at acpi0 not configured
"INTC1043" at acpi0 not configured
"INTC1043" at acpi0 not configured
"INTC1043" at acpi0 not configured
"DELL0A69" at acpi0 not configured
"ACPI000E" at acpi0 not configured
pchgpio0 at acpi0 GPI0 addr 0xfd6e0000/0x10000 0xfd6d0000/0x10000 0xfd6b0000/0x10000 0xfd6a0000/0x10000 0xfd690000/0x10000 irq 14, 480 pins
"PNP0C14" at acpi0 not configured
"PNP0C14" at acpi0 not configured
"INT33A1" at acpi0 not configured
"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
acpibtn0 at acpi0: LID0(wakeup)
acpibtn1 at acpi0: PBTN(wakeup)
acpiac0 at acpi0: AC unit online
acpibat0 at acpi0: BAT0 model "DELL 17C0616" serial 989 type LiP oem "SMP"
"INTC1051" at acpi0 not configured
"INTC1040" at acpi0 not configured
"USBC000" at acpi0 not configured
tpm0 at acpi0 TPM_ 2.0 (TIS) addr 0xfed40000/0x5000, device 0x0000104a rev 0x4e
acpipwrres0 at acpi0: BTRT
acpipwrres1 at acpi0: MRST
acpipwrres2 at acpi0: DRST
acpipwrres3 at acpi0: PXP_, resource for RP01, PXSX
acpipwrres4 at acpi0: WRST
acpipwrres5 at acpi0: DRST
acpipwrres6 at acpi0: V0PR
acpipwrres7 at acpi0: V1PR
acpipwrres8 at acpi0: V2PR
acpipwrres9 at acpi0: WRST
acpipwrres10 at acpi0: TBT0, resource for TDM0, TRP0, TRP1
acpipwrres11 at acpi0: TBT1, resource for TDM1, TRP2, TRP3
acpipwrres12 at acpi0: D3C_, resource for TXHC, TDM0, TDM1, TRP0, TRP1, TRP2, TRP3
acpicpu0 at acpi0: C3(200@1048 mwait.1@0x60), C2(200@253 mwait.1@0x31), C1(1000@1 mwait.1), PSS
acpicpu1 at acpi0: C3(200@1048 mwait.1@0x60), C2(200@253 mwait.1@0x31), C1(1000@1 mwait.1), PSS
acpicpu2 at acpi0: C3(200@1048 mwait.1@0x60), C2(200@253 mwait.1@0x31), C1(1000@1 mwait.1), PSS
acpicpu3 at acpi0: C3(200@1048 mwait.1@0x60), C2(200@253 mwait.1@0x31), C1(1000@1 mwait.1), PSS
acpicpu4 at acpi0: C3(200@1048 mwait.1@0x60), C2(200@253 mwait.1@0x31), C1(1000@1 mwait.1), PSS
acpicpu5 at acpi0: C3(200@1048 mwait.1@0x60), C2(200@253 mwait.1@0x31), C1(1000@1 mwait.1), PSS
acpicpu6 at acpi0: C3(200@1048 mwait.1@0x60), C2(200@253 mwait.1@0x31), C1(1000@1 mwait.1), PSS
acpicpu7 at acpi0: C3(200@1048 mwait.1@0x60), C2(200@253 mwait.1@0x31), C1(1000@1 mwait.1), PSS
acpicpu8 at acpi0: C3(200@1048 mwait.1@0x60), C2(200@253 mwait.1@0x31), C1(1000@1 mwait.1), PSS
acpicpu9 at acpi0: C3(200@1048 mwait.1@0x60), C2(200@253 mwait.1@0x31), C1(1000@1 mwait.1), PSS
acpicpu10 at acpi0: C3(200@1048 mwait.1@0x60), C2(200@253 mwait.1@0x31), C1(1000@1 mwait.1), PSS
acpicpu11 at acpi0: C3(200@1048 mwait.1@0x60), C2(200@253 mwait.1@0x31), C1(1000@1 mwait.1), PSS
acpicpu12 at acpi0: C3(200@1048 mwait.1@0x60), C2(200@253 mwait.1@0x31), C1(1000@1 mwait.1), PSS
acpicpu13 at acpi0: C3(200@1048 mwait.1@0x60), C2(200@253 mwait.1@0x31), C1(1000@1 mwait.1), PSS
acpicpu14 at acpi0: C3(200@1048 mwait.1@0x60), C2(200@253 mwait.1@0x31), C1(1000@1 mwait.1), PSS
acpicpu15 at acpi0: C3(200@1048 mwait.1@0x60), C2(200@253 mwait.1@0x31), C1(1000@1 mwait.1), PSS
acpipwrres13 at acpi0: PIN_
acpivideo0 at acpi0: PEGP
acpivideo1 at acpi0: GFX0
acpivout0 at acpivideo1: LCD_
cpu0: Enhanced SpeedStep 4988 MHz: speeds: 2601, 2600, 2500, 2300, 2200, 2100, 2000, 1800, 1700, 1600, 1400, 1300, 1200, 1100, 900, 800 MHz
pci0 at mainbus0 bus 0
0:31:5: mem address conflict 0xfe010000/0x1000
pchb0 at pci0 dev 0 function 0 "Intel Core 11G Host" rev 0x05
inteldrm0 at pci0 dev 2 function 0 "Intel UHD Graphics" rev 0x01
drm0 at inteldrm0
inteldrm0: msi, TIGERLAKE, gen 12
"Intel Core 11G DTT" rev 0x05 at pci0 dev 4 function 0 not configured
ppb0 at pci0 dev 6 function 0 "Intel Core 11G PCIE" rev 0x05: msi
pci1 at ppb0 bus 1
nvme0 at pci1 dev 0 function 0 "ADATA Technology SX8200 Pro" rev 0x03: msix, NVMe 1.3
nvme0: ADATA SX8200PNP, firmware 32B3T8EA, serial 2L232L2S85NR
scsibus1 at nvme0: 2 targets, initiator 0
sd0 at scsibus1 targ 1 lun 0: <NVMe, ADATA SX8200PNP, 32B3>
sd0: 1953514MB, 512 bytes/sector, 4000797360 sectors
ppb1 at pci0 dev 7 function 0 "Intel Core 11G PCIE" rev 0x05: msi
pci2 at ppb1 bus 2
ppb2 at pci0 dev 7 function 1 "Intel Core 11G PCIE" rev 0x05: msi
pci3 at ppb2 bus 74
"Intel Core 11G SRAM" rev 0x01 at pci0 dev 10 function 0 not configured
xhci0 at pci0 dev 13 function 0 "Intel Core 11G xHCI" rev 0x05: msi, xHCI 1.20
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 Core 11G TBT" rev 0x05 at pci0 dev 13 function 2 not configured
"Intel 500 Series ISH" rev 0x11 at pci0 dev 18 function 0 not configured
xhci1 at pci0 dev 20 function 0 "Intel 500 Series xHCI" rev 0x11: msi, xHCI 1.20
usb1 at xhci1: USB revision 3.0
uhub1 at usb1 configuration 1 interface 0 "Intel xHCI root hub" rev 3.00/1.00 addr 1
"Intel 500 Series Shared SRAM" rev 0x11 at pci0 dev 20 function 2 not configured
dwiic0 at pci0 dev 21 function 0 "Intel 500 Series I2C" rev 0x11: apic 2 int 27
iic0 at dwiic0
dwiic1 at pci0 dev 21 function 1 "Intel 500 Series I2C" rev 0x11: apic 2 int 40
iic1 at dwiic1
ihidev0 at iic1 addr 0x2c irq 96, vendor 0x488 product 0x120a, DELL0A69
ihidev0: 12 report ids
imt0 at ihidev0: touchpad, 5 contacts
wsmouse0 at imt0 mux 0
ims0 at ihidev0 reportid 1: 3 buttons, Z and W dir
wsmouse1 at ims0 mux 0
hid at ihidev0 reportid 3 not configured
hid at ihidev0 reportid 4 not configured
hid at ihidev0 reportid 5 not configured
hid at ihidev0 reportid 6 not configured
hid at ihidev0 reportid 7 not configured
hid at ihidev0 reportid 10 not configured
hid at ihidev0 reportid 12 not configured
"Intel 500 Series HECI" rev 0x11 at pci0 dev 22 function 0 not configured
dwiic2 at pci0 dev 25 function 0 "Intel 500 Series I2C" rev 0x11: apic 2 int 31
iic2 at dwiic2
ppb3 at pci0 dev 27 function 0 "Intel 500 Series PCIE" rev 0x11: msi
pci4 at ppb3 bus 146
nvme1 at pci4 dev 0 function 0 "Kioxia BG4" rev 0x00: msix, NVMe 1.3
nvme1: KBG40ZNS256G NVMe KIOXIA 256GB, firmware 10410106, serial 716PG8H1QXA3
scsibus2 at nvme1: 2 targets, initiator 0
sd1 at scsibus2 targ 1 lun 0: <NVMe, KBG40ZNS256G NVM, 1041>
sd1: 244198MB, 512 bytes/sector, 500118192 sectors
ppb4 at pci0 dev 28 function 0 "Intel 500 Series PCIE" rev 0x11: msi
pci5 at ppb4 bus 147
iwx0 at pci5 dev 0 function 0 "Intel Wi-Fi 6 AX210" rev 0x1a, msix
ppb5 at pci0 dev 28 function 2 "Intel 500 Series PCIE" rev 0x11: msi
pci6 at ppb5 bus 148
"Realtek RTS5260 Card Reader" rev 0x01 at pci6 dev 0 function 0 not configured
ppb6 at pci0 dev 29 function 0 "Intel 500 Series PCIE" rev 0x11: msi
pci7 at ppb6 bus 149
nvme2 at pci7 dev 0 function 0 "Samsung SM981/PM981 NVMe" rev 0x00: msix, NVMe 1.3
nvme2: SAMSUNG MZVLB256HBHQ-000L7, firmware 5M2QEXH7, serial S4ELNE0M557617
scsibus3 at nvme2: 2 targets, initiator 0
sd2 at scsibus3 targ 1 lun 0: <NVMe, SAMSUNG MZVLB256, 5M2Q>
sd2: 244198MB, 512 bytes/sector, 500118192 sectors
pcib0 at pci0 dev 31 function 0 "Intel WM590 eSPI" rev 0x11
azalia0 at pci0 dev 31 function 3 "Intel 500 Series HD Audio" rev 0x11: msi
azalia0: codecs: Realtek/0x0289, Intel/0x2812, using Realtek/0x0289
audio0 at azalia0
ichiic0 at pci0 dev 31 function 4 "Intel 500 Series SMBus" rev 0x11: apic 2 int 16
iic3 at ichiic0
"Intel 500 Series SPI" rev 0x11 at pci0 dev 31 function 5 not configured
em0 at pci0 dev 31 function 6 "Intel I219-LM" rev 0x11: msi, address a0:29:19:27:03:07
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
uvideo0 at uhub1 port 3 configuration 1 interface 0 "CNFHH52R1964204CCC40 Integrated_Webcam_HD" rev 2.01/82.62 addr 2
video0 at uvideo0
ugen0 at uhub1 port 14 "Intel Bluetooth" rev 2.01/0.00 addr 3
vscsi0 at root
scsibus4 at vscsi0: 256 targets
softraid0 at root
scsibus5 at softraid0: 256 targets
sd3 at scsibus5 targ 1 lun 0: <OPENBSD, SR CRYPTO, 006>
sd3: 1953513MB, 512 bytes/sector, 4000795775 sectors
root on sd3a (9a347450975fac13.a) swap on sd3b dump on sd3b
inteldrm0: 1920x1080, 32bpp
wsdisplay0 at inteldrm0 mux 1: console (std, vt100 emulation), using wskbd0
wsdisplay0: screen 1-5 added (std, vt100 emulation)
iwx0: hw rev 0x420, fw 77.f92b5fed.0, pnvm ce1a5094, address 44:e5:17:bc:76:59
acpi0: S3 unavailable, using S0
uhub0 detached
video0 detached
uvideo0 detached
ugen0 detached
uhub1 detached
suspend
resume 3
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 xHCI root hub" rev 3.00/1.00 addr 1
uvideo0 at uhub1 port 3 configuration 1 interface 0 "CNFHH52R1964204CCC40 Integrated_Webcam_HD" rev 2.01/82.62 addr 2
video0 at uvideo0
ugen0 at uhub1 port 14 "Intel Bluetooth" rev 2.01/0.00 addr 3
pckbc: command timeout