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kern/56827: Dell Latitude 7490 hangs when going back from DPMS suspend or suspend to RAM



>Number:         56827
>Category:       kern
>Synopsis:       Dell Latitude 7490 hangs when going back from DPMS suspend or suspend to RAM
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Thu May 12 14:20:00 +0000 2022
>Originator:     Emile `iMil' Heitor
>Release:        9.99.96
>Organization:
>Environment:
NetBSD outcast 9.99.96 NetBSD 9.99.96 (GENERIC) #0: Mon May  2 10:50:02 UTC 2022  mkrepro%mkrepro.NetBSD.org@localhost:/usr/src/sys/arch/amd64/compile/GENERIC amd64

>Description:
Upon waking up from DPMS suspend or suspend to RAM, the system will only show a black screen, no log whatsoever, the system is crashed and doesn't answer to the network.
The problem exists in NetBSD 9.2, and at least from 9.99.94 to 9.99.96, didn't try previous versions.

[     1.000000] Copyright (c) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
[     1.000000]     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
[     1.000000]     2018, 2019, 2020, 2021, 2022
[     1.000000]     The NetBSD Foundation, Inc.  All rights reserved.
[     1.000000] Copyright (c) 1982, 1986, 1989, 1991, 1993
[     1.000000]     The Regents of the University of California.  All rights reserved.

[     1.000000] NetBSD 9.99.96 (GENERIC) #0: Mon May  2 10:50:02 UTC 2022
[     1.000000] 	mkrepro%mkrepro.NetBSD.org@localhost:/usr/src/sys/arch/amd64/compile/GENERIC
[     1.000000] total memory = 8072 MB
[     1.000000] avail memory = 7792 MB
[     1.000000] timecounter: Timecounters tick every 10.000 msec
[     1.000000] Kernelized RAIDframe activated
[     1.000000] [   411.000000] pms* disabled
[     1.000000] RTC BIOS diagnostic error 0xf<fixed_disk,invalid_time>
[     1.000000] timecounter: Timecounter "i8254" frequency 1193182 Hz quality 100
[     1.000003] efi: systbl at pa 7b51b018
[     1.000003] mainbus0 (root)
[     1.000003] ACPI: RSDP 0x000000007A4FC000 000024 (v02 DELL  )
[     1.000003] ACPI: XSDT 0x000000007A4FC0C8 000114 (v01 DELL   CBX3     01072009 AMI  00010013)
[     1.000003] ACPI: FACP 0x000000007A523C50 00010C (v05 DELL   CBX3     01072009 AMI  00010013)
[     1.000003] ACPI: DSDT 0x000000007A4FC270 0279DC (v02 DELL   CBX3     01072009 INTL 20160422)
[     1.000003] ACPI: FACS 0x000000007AE92180 000040
[     1.000003] ACPI: UEFI 0x000000007A524000 00063A (v01 INTEL  RstSataE 00000000 ??   00000000)
[     1.000003] ACPI: APIC 0x000000007A524640 0000BC (v03 DELL   CBX3     01072009 AMI  00010013)
[     1.000003] ACPI: FPDT 0x000000007A524700 000044 (v01 DELL   CBX3     01072009 AMI  00010013)
[     1.000003] ACPI: FIDT 0x000000007A524748 0000AC (v01 DELL   CBX3     01072009 AMI  00010013)
[     1.000003] ACPI: MCFG 0x000000007A5247F8 00003C (v01 DELL   CBX3     01072009 MSFT 00000097)
[     1.000003] ACPI: HPET 0x000000007A524838 000038 (v01 DELL   CBX3     01072009 AMI. 0005000B)
[     1.000003] ACPI: SSDT 0x000000007A524870 000359 (v01 SataRe SataTabl 00001000 INTL 20160422)
[     1.000003] ACPI: SSDT 0x000000007A524BD0 0012E0 (v02 SaSsdt SaSsdt   00003000 INTL 20160422)
[     1.000003] ACPI: HPET 0x000000007A525EB0 000038 (v01 INTEL  KBL-ULT  00000001 MSFT 0000005F)
[     1.000003] ACPI: SSDT 0x000000007A525EE8 000BEE (v02 INTEL  xh_OEMBD 00000000 INTL 20160422)
[     1.000003] ACPI: UEFI 0x000000007A526AD8 000042 (v01                 00000000      00000000)
[     1.000003] ACPI: SSDT 0x000000007A526B20 0017AE (v02 CpuRef CpuSsdt  00003000 INTL 20160422)
[     1.000003] ACPI: LPIT 0x000000007A5282D0 000094 (v01 INTEL  KBL-ULT  00000000 MSFT 0000005F)
[     1.000003] ACPI: SSDT 0x000000007A528368 000161 (v02 INTEL  HdaDsp   00000000 INTL 20160422)
[     1.000003] ACPI: SSDT 0x000000007A5284D0 00029F (v02 INTEL  sensrhub 00000000 INTL 20160422)
[     1.000003] ACPI: SSDT 0x000000007A528770 003002 (v02 INTEL  PtidDevc 00001000 INTL 20160422)
[     1.000003] ACPI: SSDT 0x000000007A52B778 000517 (v02 INTEL  TbtTypeC 00000000 INTL 20160422)
[     1.000003] ACPI: DBGP 0x000000007A52BC90 000034 (v01 INTEL           00000002 MSFT 0000005F)
[     1.000003] ACPI: DBG2 0x000000007A52BCC8 000054 (v00 INTEL           00000002 MSFT 0000005F)
[     1.000003] ACPI: SSDT 0x000000007A52BD20 0007DD (v02 INTEL  UsbCTabl 00001000 INTL 20160422)
[     1.000003] ACPI: SSDT 0x000000007A52C500 00531B (v02 DptfTa DptfTabl 00001000 INTL 20160422)
[     1.000003] ACPI: MSDM 0x000000007A531820 000055 (v03 DELL   CBX3     06222004 AMI  00010013)
[     1.000003] ACPI: SLIC 0x000000007A531878 000176 (v03 DELL   CBX3     01072009 MSFT 00010013)
[     1.000003] ACPI: NHLT 0x000000007A5319F0 00002D (v00 INTEL  EDK2     00000002      01000013)
[     1.000003] ACPI: BGRT 0x000000007A531A20 000038 (v00                 01072009 AMI  00010013)
[     1.000003] ACPI: UEFI 0x000000007A531A58 00005C (v01 INTEL  RstSataV 00000000 ??   00000000)
[     1.000003] ACPI: TPM2 0x000000007A531AB8 000034 (v03 DELL   CBX3     00000001 AMI  00000000)
[     1.000003] ACPI: ASF! 0x000000007A531AF0 0000A0 (v32 INTEL   HCG     00000001 TFSM 000F4240)
[     1.000003] ACPI: DMAR 0x000000007A531B90 000138 (v01 INTEL  EDK2     00000001 INTL 00000001)
[     1.000003] ACPI: 11 ACPI AML tables successfully acquired and loaded
[     1.000003] ioapic0 at mainbus0 apid 2: pa 0xfec00000, version 0x20, 120 pins
[     1.000003] cpu0 at mainbus0 apid 0
[     1.000003] cpu0: Use lfence to serialize rdtsc
[     1.000003] cpu0: CPU base freq 1900000000 Hz
[     1.000003] cpu0: CPU max freq 3600000000 Hz
[     1.000003] cpu0: TSC freq CPUID 1896000000 Hz
[     1.000003] cpu0: Intel(R) Core(TM) i5-8350U CPU @ 1.70GHz, id 0x806ea
[     1.000003] cpu0: node 0, package 0, core 0, smt 0
[     1.000003] cpu1 at mainbus0 apid 2
[     1.000003] cpu1: Intel(R) Core(TM) i5-8350U CPU @ 1.70GHz, id 0x806ea
[     1.000003] cpu1: node 0, package 0, core 1, smt 0
[     1.000003] cpu2 at mainbus0 apid 4
[     1.000003] cpu2: Intel(R) Core(TM) i5-8350U CPU @ 1.70GHz, id 0x806ea
[     1.000003] cpu2: node 0, package 0, core 2, smt 0
[     1.000003] cpu3 at mainbus0 apid 6
[     1.000003] cpu3: Intel(R) Core(TM) i5-8350U CPU @ 1.70GHz, id 0x806ea
[     1.000003] cpu3: node 0, package 0, core 3, smt 0
[     1.000003] cpu4 at mainbus0 apid 1
[     1.000003] cpu4: Intel(R) Core(TM) i5-8350U CPU @ 1.70GHz, id 0x806ea
[     1.000003] cpu4: node 0, package 0, core 0, smt 1
[     1.000003] cpu5 at mainbus0 apid 3
[     1.000003] cpu5: Intel(R) Core(TM) i5-8350U CPU @ 1.70GHz, id 0x806ea
[     1.000003] cpu5: node 0, package 0, core 1, smt 1
[     1.000003] cpu6 at mainbus0 apid 5
[     1.000003] cpu6: Intel(R) Core(TM) i5-8350U CPU @ 1.70GHz, id 0x806ea
[     1.000003] cpu6: node 0, package 0, core 2, smt 1
[     1.000003] cpu7 at mainbus0 apid 7
[     1.000003] cpu7: Intel(R) Core(TM) i5-8350U CPU @ 1.70GHz, id 0x806ea
[     1.000003] cpu7: node 0, package 0, core 3, smt 1
[     1.000003] acpi0 at mainbus0: Intel ACPICA 20211217
[     1.000003] acpi0: X/RSDT: OemId <DELL  , CBX3   ,01072009>, AslId <AMI ,00010013>
[     1.000003] acpi0: MCFG: segment 0, bus 0-127, address 0x00000000f0000000
[     1.000003] ACPI: Dynamic OEM Table Load:
[     1.000003] ACPI: SSDT 0xFFFF80E91273B008 0003FF (v02 PmRef  Cpu0Cst  00003001 INTL 20160422)
[     1.000003] ACPI: Dynamic OEM Table Load:
[     1.000003] ACPI: SSDT 0xFFFF80EA7F816008 0005AC (v02 PmRef  Cpu0Ist  00003000 INTL 20160422)
[     1.000003] ACPI: Dynamic OEM Table Load:
[     1.000003] ACPI: SSDT 0xFFFF80E9127C8008 000D14 (v02 PmRef  ApIst    00003000 INTL 20160422)
[     1.000003] ACPI: Dynamic OEM Table Load:
[     1.000003] ACPI: SSDT 0xFFFF80EA80924348 00030A (v02 PmRef  ApCst    00003000 INTL 20160422)
[     1.000003] acpi0: SCI interrupting at int 9
[     1.000003] acpi0: fixed power button present
[     1.000003] timecounter: Timecounter "ACPI-Fast" frequency 3579545 Hz quality 1000
[     1.053338] hpet0 at acpi0: high precision event timer (mem 0xfed00000-0xfed00400)
[     1.053338] timecounter: Timecounter "hpet0" frequency 24000000 Hz quality 2000
[     1.054147] acpiec0 at acpi0 (ECDV, PNP0C09-0): io 0x930,0x934
[     1.054147] acpiec1 at acpi0 (H_EC, PNP0C09-1): using acpiec0
[     1.054147] acpivga0 at acpi0 (GFX0): ACPI Display Adapter
[     1.054147] acpiout0 at acpivga0 (CRT, 0x0100): ACPI Display Output Device
[     1.054147] acpiout1 at acpivga0 (LCD, 0x0400): ACPI Display Output Device
[     1.054147] acpiout1: brightness levels: [5-38,40-43,45-47,49-50,52-53,55,57,59-60,62,64,66,68,70,72,74,77,79-81,84,86,89,92,95,97,100]
[     1.054147] acpiout2 at acpivga0 (DVI, 0x0302): ACPI Display Output Device
[     1.054147] acpiout3 at acpivga0 (DVI2, 0x0303): ACPI Display Output Device
[     1.054147] acpiout4 at acpivga0 (DVI3, 0x0304): ACPI Display Output Device
[     1.054147] acpiout5 at acpivga0 (DP, 0x0300): ACPI Display Output Device
[     1.054147] acpiout6 at acpivga0 (DP2, 0x0301): ACPI Display Output Device
[     1.054147] acpiout7 at acpivga0 (DP3, 0x0305): ACPI Display Output Device
[     1.054147] acpiout8 at acpivga0 (SKC0, 0xca00): ACPI Display Output Device
[     1.054147] acpivga0: connected output devices:
[     1.054147] acpivga0:   0x0100 (acpiout0): Ext. Monitor, head 0
[     1.054147] acpivga0:   0x0400 (acpiout1): Unknown Output Device, head 0
[     1.054147] acpivga0:   0x0302 (acpiout2): Unknown Output Device, head 0
[     1.054147] acpivga0:   0x0303 (acpiout3): Unknown Output Device, head 0
[     1.054147] acpivga0:   0x0300 (acpiout5): Unknown Output Device, head 0
[     1.054147] acpivga0:   0x0301 (acpiout6): Unknown Output Device, head 0
[     1.054147] acpivga0:   0x0304 (acpiout4): Unknown Output Device, head 0
[     1.054147] acpivga0:   0x0305 (acpiout7): Unknown Output Device, head 0
[     1.054147] FWHD (INT0800) at acpi0 not configured
[     1.054147] attimer1 at acpi0 (TIMR, PNP0100): io 0x40-0x43,0x50-0x53 irq 0
[     1.054147] SEN1 (INT3403) at acpi0 not configured
[     1.054147] SEN2 (INT3403) at acpi0 not configured
[     1.054147] pckbc1 at acpi0 (PS2K, DLLK081C) (kbd port): io 0x60,0x64 irq 1
[     1.054147] TPD1 (DELL081C) at acpi0 not configured
[     1.054147] I2C4 (INT3446) at acpi0 not configured
[     1.054147] TMEM (INT3403) at acpi0 not configured
[     1.054147] acpiwmi0 at acpi0 (WTBT, PNP0C14-TBFP): ACPI WMI Interface
[     1.054147] acpiwmibus at acpiwmi0 not configured
[     1.054147] PEPD (INT33A1) at acpi0 not configured
[     1.054147] tpm0 at acpi0 (TPM, MSFT0101-1): mem 0xfed40000-0xfed44fff
[     1.054147] tpm0: device 0x00fc1050 rev 0x1
[     1.054147] acpiwmi1 at acpi0 (AMW0, PNP0C14-0): ACPI WMI Interface
[     1.054147] wmidell0 at acpiwmi1: Dell WMI mappings version 1
[     1.054147] acpilid0 at acpi0 (LID0, PNP0C0D): ACPI Lid Switch
[     1.054147] acpibut0 at acpi0 (PBTN, PNP0C0C): ACPI Power Button
[     1.054147] acpibut1 at acpi0 (SBTN, PNP0C0E): ACPI Sleep Button
[     1.054147] acpiacad0 at acpi0 (AC, ACPI0003): ACPI AC Adapter
[     1.054147] acpibat0 at acpi0 (BAT0, PNP0C0A-1): ACPI Battery
[     1.054147] HIDD (INT33D5) at acpi0 not configured
[     1.054147] UBTC (USBC000) at acpi0 not configured
[     1.054147] IETM (INT3400) at acpi0 not configured
[     1.054147] acpitz0 at acpi0 (THM)
[     1.054147] acpitz0: levels: critical 107.0 C, passive cooling
[     1.054147] ACPI: Enabled 5 GPEs in block 00 to 7F
[     1.054147] pckbd0 at pckbc1 (kbd slot)
[     1.054147] pckbc1: using irq 1 for kbd slot
[     1.054147] wskbd0 at pckbd0: console keyboard
[     1.054147] pci0 at mainbus0 bus 0: configuration mode 1
[     1.054147] pci0: i/o space, memory space enabled, rd/line, rd/mult, wr/inv ok
[     1.054147] pchb0 at pci0 dev 0 function 0: Intel Core 7G,8G Host Bridge, DRAM (rev. 0x08)
[     1.054147] i915drmkms0 at pci0 dev 2 function 0: Intel UHD Graphics 620 (GT2) (rev. 0x07)
[     1.054147] Intel Core 6G Thermal (miscellaneous DASP, revision 0x08) at pci0 dev 4 function 0 not configured
[     1.054147] xhci0 at pci0 dev 20 function 0: Intel 100 Series xHCI (rev. 0x21)
[     1.054147] xhci0: 64-bit DMA
[     1.054147] xhci0: interrupting at msi0 vec 0
[     1.054147] xhci0: xHCI version 1.0
[     1.054147] usb0 at xhci0: USB revision 3.0
[     1.054147] usb1 at xhci0: USB revision 2.0
[     1.054147] Intel 100 Series Thermal (miscellaneous DASP, revision 0x21) at pci0 dev 20 function 2 not configured
[     1.054147] dwiic0 at pci0 dev 21 function 0: I2C controller instance 0
[     1.054147] dwiic0: interrupting at ioapic0 pin 16
[     1.054147] iic0 at dwiic0: I2C bus
[     1.054147] dwiic1 at pci0 dev 21 function 1: I2C controller instance 1
[     1.054147] dwiic1: interrupting at ioapic0 pin 17
[     1.054147] iic1 at dwiic1: I2C bus
[     1.054147] ihidev0 at iic1 addr 0x2c: vendor 0x44e product 0x121f, DELL081C
[     1.054147] ihidev0: 12 report ids
[     1.054147] ihidev0: interrupting at irq 51
[     1.054147] ims0 at ihidev0 reportid 1: 3 buttons, W and Z dirs
[     1.054147] wsmouse0 at ims0 mux 0
[     1.054147] hid at ihidev0 reportid 3 not configured
[     1.054147] hid at ihidev0 reportid 4 not configured
[     1.054147] hid at ihidev0 reportid 5 not configured
[     1.054147] hid at ihidev0 reportid 6 not configured
[     1.054147] hid at ihidev0 reportid 7 not configured
[     1.054147] hid at ihidev0 reportid 8 not configured
[     1.054147] hid at ihidev0 reportid 9 not configured
[     1.054147] hid at ihidev0 reportid 10 not configured
[     1.054147] hid at ihidev0 reportid 11 not configured
[     1.054147] hid at ihidev0 reportid 12 not configured
[     1.054147] dwiic2 at pci0 dev 21 function 2: I2C controller instance 2
[     1.054147] dwiic2: interrupting at ioapic0 pin 18
[     1.054147] iic2 at dwiic2: I2C bus
[     1.054147] dwiic3 at pci0 dev 21 function 3: I2C controller instance 3
[     1.054147] dwiic3: interrupting at ioapic0 pin 19
[     1.054147] iic3 at dwiic3: I2C bus
[     1.054147] Intel 100 Series MEI (miscellaneous communications, revision 0x21) at pci0 dev 22 function 0 not configured
[     1.054147] puc0 at pci0 dev 22 function 3: Intel 100 Series LP KT (com)
[     1.054147] com2 at puc0 port 0 (16550-compatible): ioaddr 0xf0a0, interrupting at ioapic0 pin 19
[     1.054147] com2: ns16550a, 16-byte FIFO
[     1.054147] ahcisata0 at pci0 dev 23 function 0: Intel 82801HBM SATA RAID Controller (rev. 0x21)
[     1.054147] ahcisata0: 64-bit DMA
[     1.054147] ahcisata0: AHCI revision 1.31, 1 port, 32 slots, CAP 0xc734ff00<PSC,SSC,PMD,SAM,ISS=0x3=Gen3,SCLO,SAL,SALP,SNCQ,S64A>
[     1.054147] ahcisata0: interrupting at msi1 vec 0
[     1.054147] atabus0 at ahcisata0 channel 2
[     1.054147] ppb0 at pci0 dev 28 function 0: Intel 100 Series PCIe (rev. 0xf1)
[     1.054147] ppb0: PCI Express capability version 2 <Root Port of PCI-E Root Complex> x1 @ 8.0GT/s
[     1.054147] ppb0: link is x1 @ 5.0GT/s
[     1.054147] pci1 at ppb0 bus 1
[     1.054147] pci1: i/o space, memory space enabled
[     1.054147] rtsx0 at pci1 dev 0 function 0: Realtek Semiconductor RTS525A PCI-E Card Reader (rev. 0x01)
[     1.054147] rtsx0: interrupting at msi2 vec 0
[     1.054147] sdmmc0 at rtsx0
[     1.054147] ppb1 at pci0 dev 28 function 2: Intel 100 Series PCIe (rev. 0xf1)
[     1.054147] ppb1: PCI Express capability version 2 <Root Port of PCI-E Root Complex> x1 @ 8.0GT/s
[     1.054147] ppb1: link is x1 @ 2.5GT/s
[     1.054147] pci2 at ppb1 bus 2
[     1.054147] pci2: i/o space, memory space enabled
[     1.054147] iwm0 at pci2 dev 0 function 0: Intel Dual Band Wireless AC 8265 (rev. 0x78)
[     1.054147] iwm0: interrupting at msi3 vec 0
[     1.054147] ppb2 at pci0 dev 28 function 4: Intel 100 Series PCIe (rev. 0xf1)
[     1.054147] ppb2: PCI Express capability version 2 <Root Port of PCI-E Root Complex> x4 @ 8.0GT/s
[     1.054147] pci3 at ppb2 bus 3
[     1.054147] pci3: i/o space, memory space enabled
[     1.054147] pcib0 at pci0 dev 31 function 0: Intel 200 Series LPC (rev. 0x21)
[     1.054147] Intel 100 Series PMC (miscellaneous memory, revision 0x21) at pci0 dev 31 function 2 not configured
[     1.054147] hdaudio0 at pci0 dev 31 function 3: HD Audio Controller
[     1.054147] hdaudio0: interrupting at msi4 vec 0
[     1.054147] hdaudio0: HDA ver. 1.0, OSS 9, ISS 7, BSS 0, SDO 1, 64-bit
[     1.054147] hdafg0 at hdaudio0: Realtek product 0256
[     1.054147] hdafg0: DAC00 2ch: Speaker [Built-In]
[     1.054147] hdafg0: DAC01 2ch: HP Out [Jack]
[     1.054147] hdafg0: ADC02 2ch: Mic In [Built-In]
[     1.054147] hdafg0: 2ch/2ch 44100Hz 48000Hz 96000Hz 192000Hz PCM16 PCM20 PCM24 AC3
[     1.054147] audio0 at hdafg0: playback, capture, full duplex, independent
[     1.054147] audio0: slinear_le:16 2ch 48000Hz, blk 1920 bytes (10ms) for playback
[     1.054147] audio0: slinear_le:16 2ch 48000Hz, blk 1920 bytes (10ms) for recording
[     1.054147] spkr0 at audio0: PC Speaker (synthesized)
[     1.054147] wsbell at spkr0 not configured
[     1.054147] hdafg1 at hdaudio0: Intel HDMI/DP
[     1.054147] hdafg1: DP00 8ch: Digital Out [Jack]
[     1.054147] hdafg1: 8ch/0ch 48000Hz PCM16*
[     1.054147] audio1 at hdafg1: playback, capture, full duplex, independent
[     1.054147] audio1: slinear_le:16 2ch 48000Hz, blk 1920 bytes (10ms) for playback
[     1.054147] audio1: slinear_le:16 2ch 48000Hz, blk 1920 bytes (10ms) for recording
[     1.054147] spkr1 at audio1: PC Speaker (synthesized)
[     1.054147] wsbell at spkr1 not configured
[     1.054147] ichsmb0 at pci0 dev 31 function 4: Intel 100 Series SMBus (rev. 0x21)
[     1.054147] ichsmb0: interrupting at ioapic0 pin 16
[     1.054147] iic4 at ichsmb0: I2C bus
[     1.054147] wm0 at pci0 dev 31 function 6, 64-bit DMA: I219 LM (4) Ethernet Connection (rev. 0x21)
[     1.054147] wm0: interrupting at msi5 vec 0
[     1.054147] wm0: PCI-Express bus
[     1.054147] wm0: 4096 words FLASH, version 0.1.4
[     1.054147] wm0: Ethernet address 10:65:30:ed:7f:3e
[     1.054147] wm0: 0x6a4080<FLASH,PCIE,ASF_FIRM,AMT,WOL,EEE>
[     1.054147] ihphy0 at wm0 phy 2: i217 10/100/1000 media interface, rev. 6
[     1.054147] ihphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT, 1000baseT-FDX, auto
[     1.054147] isa0 at pcib0
[     1.054147] pcppi0 at isa0 port 0x61
[     1.054147] spkr2 at pcppi0: PC Speaker
[     1.054147] wsbell at spkr2 not configured
[     1.054147] midi0 at pcppi0: PC speaker
[     1.054147] sysbeep0 at pcppi0
[     1.054147] attimer1: attached to pcppi0
[     1.054147] acpicpu0 at cpu0: ACPI CPU
[     1.054147] acpicpu0: C1: FFH, lat   1 us, pow  1000 mW
[     1.054147] acpicpu0: C2: FFH, lat 151 us, pow   200 mW
[     1.054147] acpicpu0: C3: FFH, lat 1034 us, pow   200 mW
[     1.054147] acpicpu0: P0: FFH, lat  10 us, pow 18983 mW, 1901 MHz, turbo boost
[     1.054147] acpicpu0: P1: FFH, lat  10 us, pow 15000 mW, 1900 MHz
[     1.054147] acpicpu0: P2: FFH, lat  10 us, pow 13939 mW, 1800 MHz
[     1.054147] acpicpu0: P3: FFH, lat  10 us, pow 13047 mW, 1700 MHz
[     1.054147] acpicpu0: P4: FFH, lat  10 us, pow 12172 mW, 1600 MHz
[     1.054147] acpicpu0: P5: FFH, lat  10 us, pow 11172 mW, 1500 MHz
[     1.054147] acpicpu0: P6: FFH, lat  10 us, pow 10334 mW, 1400 MHz
[     1.054147] acpicpu0: P7: FFH, lat  10 us, pow  9516 mW, 1300 MHz
[     1.054147] acpicpu0: P8: FFH, lat  10 us, pow  7789 mW, 1100 MHz
[     1.054147] acpicpu0: P9: FFH, lat  10 us, pow  7021 mW, 1000 MHz
[     1.054147] acpicpu0: P10: FFH, lat  10 us, pow  6270 mW,  900 MHz
[     1.054147] acpicpu0: P11: FFH, lat  10 us, pow  5537 mW,  800 MHz
[     1.054147] acpicpu0: P12: FFH, lat  10 us, pow  4688 mW,  700 MHz
[     1.054147] acpicpu0: P13: FFH, lat  10 us, pow  3988 mW,  600 MHz
[     1.054147] acpicpu0: P14: FFH, lat  10 us, pow  3303 mW,  500 MHz
[     1.054147] acpicpu0: P15: FFH, lat  10 us, pow  2635 mW,  400 MHz
[     1.054147] coretemp0 at cpu0: thermal sensor, 1 C resolution, Tjmax=100
[     1.054147] acpicpu1 at cpu1: ACPI CPU
[     1.054147] coretemp1 at cpu1: thermal sensor, 1 C resolution, Tjmax=100
[     1.054147] acpicpu2 at cpu2: ACPI CPU
[     1.054147] coretemp2 at cpu2: thermal sensor, 1 C resolution, Tjmax=100
[     1.054147] acpicpu3 at cpu3: ACPI CPU
[     1.054147] coretemp3 at cpu3: thermal sensor, 1 C resolution, Tjmax=100
[     1.054147] acpicpu4 at cpu4: ACPI CPU
[     1.054147] acpicpu5 at cpu5: ACPI CPU
[     1.054147] acpicpu6 at cpu6: ACPI CPU
[     1.054147] acpicpu7 at cpu7: ACPI CPU
[     1.054147] cpu0: CPU base freq 1900000000 Hz
[     1.054147] cpu0: CPU max freq 3600000000 Hz
[     1.054147] cpu0: TSC freq CPUID 1896000000 Hz
[     1.054147] cpu0: TSC freq calibrated 1896010000 Hz
[     1.054147] timecounter: Timecounter "clockinterrupt" frequency 100 Hz quality 0
[     2.037842] timecounter: Timecounter "TSC" frequency 1896010000 Hz quality 3000
[     2.041625] uhub0 at usb0: NetBSD (0x0000) xHCI root hub (0x0000), class 9/0, rev 3.00/1.00, addr 0
[     2.097602] uhub0: 6 ports with 6 removable, self powered
[     2.097602] uhub1 at usb1: NetBSD (0x0000) xHCI root hub (0x0000), class 9/0, rev 2.00/1.00, addr 0
[     2.157602] uhub1: 12 ports with 12 removable, self powered
[     2.167601] acpiacad0: AC adapter online.
[     2.207601] IPsec: Initialized Security Association Processing.
[     2.207601] aes: Intel AES-NI
[     2.207601] chacha: x86 SSE2 ChaCha
[     2.257604] ahcisata0 port 2: device present, speed: 6.0Gb/s
[     2.287604] wd0 at atabus0 drive 0
[     2.327600] wd0: <TOSHIBA KSG60ZMV256G M.2 2280 256GB>
[     2.367600] wd0: drive supports 16-sector PIO transfers, LBA48 addressing
[     2.367600] wd0: 238 GB, 496149 cyl, 16 head, 63 sec, 512 bytes/sect x 500118192 sectors (4096 bytes/physsect; first aligned sector: 8)
[     2.457600] wd0: GPT GUID: be3093e0-0596-49ba-a9c1-84613843b48f
[     2.457600] dk0 at wd0: "c51b670a-bb05-4cd0-a7a8-eda2c9f10d63", 262144 blocks at 2048, type: msdos
[     2.507599] dk1 at wd0: "ef2b1e66-8902-49fd-bdce-9a4007a42756", 483322477 blocks at 264192, type: ffs
[     2.547599] dk2 at wd0: "5f624060-ee61-4302-aae7-6500d3803acf", 16530063 blocks at 483588096, type: swap
[     2.597599] wd0: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 5 (Ultra/100), WRITE DMA FUA, NCQ (32 tags)
[     2.597599] wd0(ahcisata0:2:0): using PIO mode 4, DMA mode 2, Ultra-DMA mode 5 (Ultra/100) (using DMA), NCQ (31 tags)
[     2.937601] uvideo0 at uhub1 port 5 configuration 1 interface 0: CNFGH16O225410126BB2 (0x0bda) Integrated_Webcam_HD (0x568c), rev 2.00/60.53, addr 1
[     3.027596] video0 at uvideo0: CNFGH16O225410126BB2 (0x0bda) Integrated_Webcam_HD (0x568c), rev 2.00/60.53, addr 1
[     3.537598] ubt0 at uhub1 port 7
[     3.577594] ubt0: vendor 8087 (0x8087) product 0a2b (0x0a2b), rev 2.00/0.10, addr 2
[     4.097594] ugen0 at uhub1 port 10
[     4.147591] ugen0: Broadcom Corp (0x0a5c) 5880 (0x5834), rev 1.10/1.01, addr 3
[     4.197596] boot device: wd0
[     4.237590] root on dk1 dumps on dk2
[     4.287590] root file system type: ffs
[     4.327590] kern.module.path=/stand/amd64/9.99.96/modules
[     4.377591] kern info: [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[     4.377591] kern info: [drm] Driver supports precise vblank timestamp query.
[     4.377591] i915drmkms0: interrupting at msi6 vec 0 (i915drmkms0)
[     4.387590] kern info: [drm] Finished loading DMC firmware i915/kbl_dmc_ver1_04.bin (v1.4)
[     4.447589] kern info: [drm] Initialized i915 1.6.0 20200114 for i915drmkms0 on minor 0
[     4.727589] intelfb0 at i915drmkms0
[     4.777587] kern info: [drm] DRM_I915_DEBUG enabled
[     4.817587] kern info: [drm] DRM_I915_DEBUG_GEM enabled
[     4.857587] intelfb0: framebuffer at 0xa0040000, size 1920x1080, depth 32, stride 7680
[     5.977581] wsdisplay0 at intelfb0 kbdmux 1: console (default, vt100 emulation), using wskbd0
[     6.127580] wsmux1: connecting to wsdisplay0
[     6.127580] iwm0: hw rev 0x230, fw ver 22.361476.0, address 20:16:b9:b7:6e:7f
[    17.017523] wsdisplay0: screen 1 added (default, vt100 emulation)
[    17.027523] wsdisplay0: screen 2 added (default, vt100 emulation)
[    17.027523] wsdisplay0: screen 3 added (default, vt100 emulation)
[    17.027523] wsdisplay0: screen 4 added (default, vt100 emulation)
[    18.757514] cpu 0: ucode 0x84->0xea
[    18.757514] cpu 1: ucode 0x84->0xea
[    18.767513] cpu 2: ucode 0x84->0xea
[    18.767513] cpu 3: ucode 0x84->0xea

>How-To-Repeat:
$ xset +dpms

system will crash upon screen waking up

# sysctl -w hw.acpi.sleep.state=3

system will crash upon waking up
>Fix:
$ xset -dpms

don't suspend to RAM.



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