Hi,

I'm sending the below bug report to misc@openbsd.org as I have deliberately not configured my OpenBSD workstations to be able to send mail -- they are mostly used by my children -- and a bug report sent directly to b...@openbsd.org never seems to have arrived. Hopefully this email does arrive.

Cheers,

Mark

---

>Synopsis:    Suspend/resume does not work on Lenovo X2 Carbon 3rd gen laptop
>Category:    system
>Environment:
    System      : OpenBSD 6.9
    Details     : OpenBSD 6.9-beta (GENERIC.MP) #398: Fri Mar 12 15:01:24 MST 2021
dera...@amd64.openbsd.org:/usr/src/sys/arch/amd64/compile/GENERIC.MP

    Architecture: OpenBSD.amd64
    Machine     : amd64
>Description:
    Suspend/resume unfortunately does not work on my Lenovo X1 Carbon
    3rd gen laptop. Suspending the laptop using the ZZZ command does
    seem to suspend the laptop, but restarting the laptop afterwards
    does not result in the expected boot loader prompt of:

    >> OpenBSD/amd64 BOOT 3.53
    unhibernate detected: switching to /bsd.booted
    boot>

    Instead a standard boot prompt is presented as if the laptop never
    completed the suspend request, but instead was abruptly shut down.
    During boot the system detects that 1 or more filesystems were not
    cleanly unmounted as well.

    I have tried playing around with the various TPM settings in the
    BIOS, i.e. disabled, hidden and enabled TPM. Neither of these
    settings seem to have an effects on the laptop's ability to cleanly
    suspend/resume.
>How-To-Repeat:
    ZZZ followed by booting of the laptop.
>Fix:
    No known work around.


dmesg:
OpenBSD 6.9-beta (GENERIC.MP) #398: Fri Mar 12 15:01:24 MST 2021
dera...@amd64.openbsd.org:/usr/src/sys/arch/amd64/compile/GENERIC.MP
real mem = 8261603328 (7878MB)
avail mem = 7995826176 (7625MB)
random: good seed from bootblocks
mpath0 at root
scsibus0 at mpath0: 256 targets
mainbus0 at root
bios0 at mainbus0: SMBIOS rev. 2.7 @ 0xccbfd000 (65 entries)
bios0: vendor LENOVO version "N14ET54W (1.32 )" date 03/19/2020
bios0: LENOVO 20BTS0MX00
acpi0 at bios0: ACPI 5.0
acpi0: sleep states S0 S3 S4 S5
acpi0: tables DSDT FACP SLIC ASF! HPET ECDT APIC MCFG SSDT SSDT SSDT SSDT SSDT SSDT SSDT SSDT SSDT PCCT SSDT TCPA SSDT UEFI MSDM BATB FPDT UEFI
acpi0: wakeup devices LID_(S4) SLPB(S3) IGBE(S4) EXP2(S4) XHCI(S3) EHC1(S3)
acpitimer0 at acpi0: 3579545 Hz, 24 bits
acpihpet0 at acpi0: 14318179 Hz
acpiec0 at acpi0
acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat
cpu0 at mainbus0: apid 0 (boot processor)
cpu0: Intel(R) Core(TM) i7-5600U CPU @ 2.60GHz, 2494.63 MHz, 06-3d-04
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,3DNOWP,PERF,ITSC,FSGSBASE,TSC_ADJUST,BMI1,HLE,AVX2,SMEP,BMI2,ERMS,INVPCID,RTM,RDSEED,ADX,SMAP,PT,SRBDS_CTRL,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=0.2.1.2.4.1.1.1, IBE
cpu1 at mainbus0: apid 2 (application processor)
cpu1: Intel(R) Core(TM) i7-5600U CPU @ 2.60GHz, 2494.24 MHz, 06-3d-04
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,3DNOWP,PERF,ITSC,FSGSBASE,TSC_ADJUST,BMI1,HLE,AVX2,SMEP,BMI2,ERMS,INVPCID,RTM,RDSEED,ADX,SMAP,PT,SRBDS_CTRL,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
ioapic0 at mainbus0: apid 2 pa 0xfec00000, version 20, 40 pins
acpimcfg0 at acpi0
acpimcfg0: addr 0xf8000000, bus 0-63
acpiprt0 at acpi0: bus 0 (PCI0)
acpiprt1 at acpi0: bus -1 (PEG_)
acpiprt2 at acpi0: bus 3 (EXP1)
acpiprt3 at acpi0: bus 4 (EXP2)
acpiprt4 at acpi0: bus -1 (EXP3)
acpiprt5 at acpi0: bus 10 (EXP6)
acpibtn0 at acpi0: LID_
acpibtn1 at acpi0: SLPB
acpipci0 at acpi0 PCI0: 0x00000000 0x00000011 0x00000001
acpicmos0 at acpi0
acpibat0 at acpi0: BAT0 model "00HW003" serial  3800 type LiP oem "SMP"
acpiac0 at acpi0: AC unit online
acpithinkpad0 at acpi0: version 1.0
tpm0 at acpi0 TPM_ addr 0xfed40000/0x5000, device 0x0000104a rev 0x4e
"PNP0C14" at acpi0 not configured
"PNP0C14" at acpi0 not configured
"PNP0C14" at acpi0 not configured
"INT340F" at acpi0 not configured
acpicpu0 at acpi0: C3(200@233 mwait.1@0x40), C2(200@148 mwait.1@0x33), C1(1000@1 mwait.1), PSS acpicpu1 at acpi0: C3(200@233 mwait.1@0x40), C2(200@148 mwait.1@0x33), C1(1000@1 mwait.1), PSS
acpipwrres0 at acpi0: PUBS, resource for XHCI, EHC1
acpipwrres1 at acpi0: NVP3, resource for PEG_
acpipwrres2 at acpi0: NVP2, resource for PEG_
acpitz0 at acpi0: critical temperature is 128 degC
acpivideo0 at acpi0: VID_
acpivout0 at acpivideo0: LCD0
acpivideo1 at acpi0: VID_
cpu0: using VERW MDS workaround (except on vmm entry)
cpu0: Enhanced SpeedStep 2494 MHz: speeds: 2601, 2600, 2500, 2300, 2100, 2000, 1800, 1700, 1500, 1400, 1200, 1100, 900, 800, 600, 500 MHz
pci0 at mainbus0 bus 0
pchb0 at pci0 dev 0 function 0 "Intel Core 5G Host" rev 0x09
inteldrm0 at pci0 dev 2 function 0 "Intel HD Graphics 5500" rev 0x09
drm0 at inteldrm0
inteldrm0: msi, BROADWELL, gen 8
azalia0 at pci0 dev 3 function 0 "Intel Core 5G HD Audio" rev 0x09: msi
azalia0: No codecs found
xhci0 at pci0 dev 20 function 0 "Intel 9 Series xHCI" rev 0x03: 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 9 Series MEI" rev 0x03 at pci0 dev 22 function 0 not configured
em0 at pci0 dev 25 function 0 "Intel I218-LM" rev 0x03: msi, address 54:ee:75:5a:b9:cd
azalia1 at pci0 dev 27 function 0 "Intel 9 Series HD Audio" rev 0x03: msi
azalia1: codecs: Realtek ALC292
audio0 at azalia1
ppb0 at pci0 dev 28 function 0 "Intel 9 Series PCIE" rev 0xe3: msi
pci1 at ppb0 bus 3
ppb1 at pci0 dev 28 function 1 "Intel 9 Series PCIE" rev 0xe3: msi
pci2 at ppb1 bus 4
iwm0 at pci2 dev 0 function 0 "Intel Dual Band Wireless AC 7265" rev 0x59, msi
ppb2 at pci0 dev 28 function 5 "Intel 9 Series PCIE" rev 0xe3: msi
pci3 at ppb2 bus 10
ahci0 at pci3 dev 0 function 0 "Samsung SM951 AHCI" rev 0x01: apic 2 int 16, AHCI 1.3
ahci0: port 0: 6.0Gb/s
scsibus1 at ahci0: 32 targets
sd0 at scsibus1 targ 0 lun 0: <ATA, SAMSUNG MZHPV512, BXW2> naa.5002538900000000
sd0: 488386MB, 512 bytes/sector, 1000215216 sectors, thin
pcib0 at pci0 dev 31 function 0 "Intel 9 Series LPC" rev 0x03
ichiic0 at pci0 dev 31 function 3 "Intel 9 Series SMBus" rev 0x03: apic 2 int 18
iic0 at ichiic0
pchtemp0 at pci0 dev 31 function 6 "Intel 9 Series Thermal" rev 0x03
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)
wsmouse0 at pms0 mux 0
wsmouse1 at pms0 mux 0
pms0: Synaptics clickpad, firmware 8.1, 0x1e2b1 0x943300 0x330040 0xf003a3 0x12e800
pcppi0 at isa0 port 0x61
spkr0 at pcppi0
ugen0 at uhub0 port 7 "Intel Bluetooth" rev 2.01/0.01 addr 2
uvideo0 at uhub0 port 8 configuration 1 interface 0 "Chicony Electronics Co.,Ltd. Integrated Camera" rev 2.00/0.29 addr 3
video0 at uvideo0
vscsi0 at root
scsibus2 at vscsi0: 256 targets
softraid0 at root
scsibus3 at softraid0: 256 targets
root on sd0a (e4819536ae37a0af.a) swap on sd0b dump on sd0b
WARNING: / was not properly unmounted
inteldrm0: 1920x1080, 32bpp
wsdisplay0 at inteldrm0 mux 1: console (std, vt100 emulation), using wskbd0
wsdisplay0: screen 1-5 added (std, vt100 emulation)
iwm0: hw rev 0x210, fw ver 17.3216344376.0, address 4c:34:88:04:af:ec

usbdevs:
Controller /dev/usb0:
addr 01: 8086:0000 Intel, xHCI root hub
     super speed, self powered, config 1, rev 1.00
     driver: uhub0
addr 02: 8087:0a2a Intel, Bluetooth
     full speed, self powered, config 1, rev 0.01
     driver: ugen0
addr 03: 04f2:b45d Chicony Electronics Co.,Ltd., Integrated Camera
     high speed, power 500 mA, config 1, rev 0.29, iSerial 0x0001
     driver: uvideo0

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