Hardware is the Chromebook pixel 2015.  No response from touchpad or 
touchscreen on resume.  These errors pop up in the dmesg.  Full dmesg below.

iatp0: failed reading main memory map
iatp1: failed reading main memory map
iatp0: failed reading 540
iatp1: failed reading 680
iatp0: failed reading t44 and t5

I'm using the wsmouse touchpad xorg configuration.

- xorg.conf excerpt
Section "InputClass"
        Identifier "wsmouse touchpad"
        Driver "ws"
        MatchIsTouchpad "on"
        Option "ZAxisMapping" "5 4"
        Option "acceleration factor" "3.2"
EndSection



OpenBSD 6.2-current (GENERIC.MP) #15: Tue Feb 27 22:15:26 MST 2018
    dera...@amd64.openbsd.org:/usr/src/sys/arch/amd64/compile/GENERIC.MP
real mem = 17094049792 (16302MB)
avail mem = 16568954880 (15801MB)
mpath0 at root
scsibus0 at mpath0: 256 targets
mainbus0 at root
bios0 at mainbus0: SMBIOS rev. 2.7 @ 0x7ce42020 (9 entries)
bios0: vendor coreboot version "(null)" date 04/02/2015
bios0: GOOGLE Samus
acpi0 at bios0: rev 2
acpi0: sleep states S0 S1 S2 S3 S4 S5
acpi0: tables DSDT FACP HPET APIC MCFG SSDT
acpi0: wakeup devices HDEF(S3) WLAN(S3) EHCI(S3) XHCI(S3) ATPA(S3) CODC(S3) 
LID0(S5)
acpitimer0 at acpi0: 3579545 Hz, 24 bits
acpihpet0 at acpi0: 14318179 Hz
acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat
cpu0 at mainbus0: apid 0 (boot processor)
cpu0: Intel(R) Core(TM) i7-5500U CPU @ 2.40GHz, 2394.64 MHz
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,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,BMI1,AVX2,SMEP,BMI2,ERMS,INVPCID,RDSEED,ADX,SMAP,PT,SENSOR,ARAT,MELTDOWN
cpu0: 256KB 64b/line 8-way L2 cache
acpihpet0: recalibrated TSC frequency 2394461141 Hz
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 1 (application processor)
cpu1: Intel(R) Core(TM) i7-5500U CPU @ 2.40GHz, 2893.31 MHz
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,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,BMI1,AVX2,SMEP,BMI2,ERMS,INVPCID,RDSEED,ADX,SMAP,PT,SENSOR,ARAT,MELTDOWN
cpu1: 256KB 64b/line 8-way L2 cache
cpu1: smt 1, core 0, package 0
cpu2 at mainbus0: apid 3 (application processor)
cpu2: Intel(R) Core(TM) i7-5500U CPU @ 2.40GHz, 2893.31 MHz
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,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,BMI1,AVX2,SMEP,BMI2,ERMS,INVPCID,RDSEED,ADX,SMAP,PT,SENSOR,ARAT,MELTDOWN
cpu2: 256KB 64b/line 8-way L2 cache
cpu2: smt 1, core 1, package 0
cpu3 at mainbus0: apid 2 (application processor)
cpu3: Intel(R) Core(TM) i7-5500U CPU @ 2.40GHz, 2893.31 MHz
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,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,BMI1,AVX2,SMEP,BMI2,ERMS,INVPCID,RDSEED,ADX,SMAP,PT,SENSOR,ARAT,MELTDOWN
cpu3: 256KB 64b/line 8-way L2 cache
cpu3: smt 0, core 1, package 0
ioapic0 at mainbus0: apid 2 pa 0xfec00000, version 20, 40 pins
acpimcfg0 at acpi0 addr 0xf0000000, bus 0-255
acpiprt0 at acpi0: bus 0 (PCI0)
acpiprt1 at acpi0: bus 1 (RP01)
acpiprt2 at acpi0: bus -1 (RP02)
acpiprt3 at acpi0: bus -1 (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)
acpiec0 at acpi0
acpicpu0 at acpi0: C3(700@148 mwait.1@0x33), C2(900@67 mwait.1@0x10), C1(1000@0 
mwait.1@0x1), PSS
acpicpu1 at acpi0: C3(700@148 mwait.1@0x33), C2(900@67 mwait.1@0x10), C1(1000@0 
mwait.1@0x1), PSS
acpicpu2 at acpi0: C3(700@148 mwait.1@0x33), C2(900@67 mwait.1@0x10), C1(1000@0 
mwait.1@0x1), PSS
acpicpu3 at acpi0: C3(700@148 mwait.1@0x33), C2(900@67 mwait.1@0x10), C1(1000@0 
mwait.1@0x1), PSS
acpitz0 at acpi0: critical temperature is 104 degC
"INT3438" at acpi0 not configured
"INT3437" at acpi0 not configured
acpiac0 at acpi0: AC unit offline
acpibat0 at acpi0: BAT0 model "3487041" serial 875640880 type LION oem 
"21484737139854675"
acpials0 at acpi0: ALS_
"GOOG0003" at acpi0 not configured
tpm0 at acpi0: TPM_ addr 0xfed40000/0x5000: Infineon SLB9635 1.2 rev 0x10
"INTL9C60" at acpi0 not configured
dwiic0 at acpi0: I2C0 addr 0xe121f000/0x1000 irq 7
iic0 at dwiic0
iatp0 at iic0 addr 0x4a irq 27: Atmel maXTouch Touchpad (960x540)
wsmouse0 at iatp0 mux 0
"RT5677CE" at iic0 addr 0x2c not configured
"ATML0000" at acpi0 not configured
dwiic1 at acpi0: I2C1 addr 0xe1221000/0x1000 irq 7
iic1 at dwiic1
iatp1 at iic1 addr 0x4b irq 28: Atmel maXTouch Touchscreen (2559x1699)
wsmouse1 at iatp1 mux 0
"ATML0001" at acpi0 not configured
"INT3430" at acpi0 not configured
"RT5677AA" at acpi0 not configured
"GOOG9999" at acpi0 not configured
acpibtn0 at acpi0: LID0
acpibtn1 at acpi0: PWRB
acpicbkbd0 at acpi0: KBLT
"GGL0001" at acpi0 not configured
cpu0: Enhanced SpeedStep 2394 MHz: speeds: 2401, 2400, 1700, 1300, 900, 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
inteldrm0: 2560x1700, 32bpp
wsdisplay0 at inteldrm0 mux 1: console (std, vt100 emulation)
wsdisplay0: screen 1-5 added (std, vt100 emulation)
azalia0 at pci0 dev 3 function 0 "Intel Core 5G HD Audio" rev 0x09: msi
xhci0 at pci0 dev 20 function 0 "Intel 9 Series xHCI" rev 0x03: msi
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
ppb0 at pci0 dev 28 function 0 "Intel 9 Series PCIE" rev 0xe3
pci1 at ppb0 bus 1
iwm0 at pci1 dev 0 function 0 "Intel Dual Band Wireless AC 7260" rev 0xcb, msi
pcib0 at pci0 dev 31 function 0 "Intel 9 Series LPC" rev 0x03
ahci0 at pci0 dev 31 function 2 "Intel 9 Series AHCI" rev 0x03: msi, AHCI 1.3
ahci0: port 0: 6.0Gb/s
scsibus1 at ahci0: 32 targets
sd0 at scsibus1 targ 0 lun 0: <ATA, KINGSTON RBU-SUS, S9FM> SCSI3 0/direct 
fixed t10.ATA_KINGSTON_RBU-SUS151S364GD_50026B7E52006244_
sd0: 61057MB, 512 bytes/sector, 125045424 sectors, thin
pchtemp0 at pci0 dev 31 function 6 "Intel 9 Series Thermal" rev 0x03: disabled
isa0 at pcib0
isadma0 at isa0
com0 at isa0 port 0x3f8/8 irq 4: ns16450, no fifo
pckbc0 at isa0 port 0x60/5 irq 1 irq 12
pckbd0 at pckbc0 (kbd slot)
wskbd0 at pckbd0: console keyboard, using wsdisplay0
pcppi0 at isa0 port 0x61
spkr0 at pcppi0
vmm0 at mainbus0: VMX/EPT
efifb at mainbus0 not configured
uvideo0 at uhub0 port 7 configuration 1 interface 0 "NMGAAI00010200257T00074 
NCM-G102" rev 2.00/0.02 addr 2
video0 at uvideo0
ugen0 at uhub0 port 8 "Intel product 0x07dc" rev 2.00/0.01 addr 3
cdce0 at uhub0 port 12 configuration 2 interface 0 "Lenovo Thinkpad USB LAN" 
rev 3.00/30.00 addr 4
cdce0: address 3c:18:a0:08:65:c5
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> SCSI2 0/direct fixed
sd1: 55799MB, 512 bytes/sector, 114276478 sectors
root on sd1a (903e5e5185545c53.a) swap on sd1b dump on sd1b
iwm0: hw rev 0x140, fw ver 16.242414.0, address 6c:29:95:a5:75:80
video0 detached
uvideo0 detached
ugen0 detached
cdce0 detached
uhub0 detached
uhub0 at usb0 configuration 1 interface 0 "Intel xHCI root hub" rev 3.00/1.00 
addr 1
iatp0: failed reading main memory map
iatp1: failed reading main memory map
iatp0: failed reading 540
iatp1: failed reading 680
uvideo0 at uhub0 port 7 configuration 1 interface 0 "NMGAAI00010200257T00074 
NCM-G102" rev 2.00/0.02 addr 2
video0 at uvideo0
ugen0 at uhub0 port 8 "Intel product 0x07dc" rev 2.00/0.01 addr 3
cdce0 at uhub0 port 12 configuration 2 interface 0 "Lenovo Thinkpad USB LAN" 
rev 3.00/30.00 addr 4
cdce0: address 3c:18:a0:08:65:c5
iatp0: failed reading t44 and t5

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