Hi Mark,

On Mon, Oct 22, 2018 at 09:45:06PM +0200, Mark Kettenis wrote:
| I'd like to see this tested on a wide range of amd64 hardware, but
| especially on laptops.  Please reply with a diff of your dmesg before
| and after.  Make sure you run make config before building a new kernel.

Thanks for your work!  Not much difference on my GPD Win (pocket)
computer.  Diff and full dmesg below.

Note that there's a kernel page fault when running bwfm attach hooks;
this happens frequently, I avoid it by booting a kernel with bwfm
disabled.

Cheers,

Paul

--- /home/weerd/taco.20181019.dmesg     Wed Oct 24 08:52:07 2018
+++ /home/weerd/taco.20181024.dmesg     Wed Oct 24 08:52:07 2018
@@ -1,7 +1,7 @@
-OpenBSD 6.4-current (GENERIC.MP) #370: Fri Oct 19 13:09:31 MDT 2018
-    dera...@amd64.openbsd.org:/usr/src/sys/arch/amd64/compile/GENERIC.MP
+OpenBSD 6.4-current (GENERIC.MP) #7: Wed Oct 24 07:42:29 CEST 2018
+    we...@pom.alm.weirdnet.nl:/usr/src/sys/arch/amd64/compile/GENERIC.MP
 real mem = 4182315008 (3988MB)
-avail mem = 4046282752 (3858MB)
+avail mem = 4046286848 (3858MB)
 mpath0 at root
 scsibus0 at mpath0: 256 targets
 mainbus0 at root
@@ -15,7 +15,7 @@
 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) Atom(TM) x7-Z8700 CPU @ 1.60GHz, 1600.26 MHz, 06-4c-03
+cpu0: Intel(R) Atom(TM) x7-Z8700 CPU @ 1.60GHz, 1600.25 MHz, 06-4c-03
 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,CX16,xTPR,PDCM,SSE4.1,SSE4.2,MOVBE,POPCNT,DEADLINE,AES,RDRAND,NXE,RDTSCP,LONG,LAHF,3DNOWP,PERF,ITSC,SMEP,ERMS,SENSOR,ARAT,MELTDOWN
 cpu0: 1MB 64b/line 16-way L2 cache
 cpu0: smt 0, core 0, package 0
@@ -28,12 +28,12 @@
 cpu1: 1MB 64b/line 16-way L2 cache
 cpu1: smt 0, core 1, package 0
 cpu2 at mainbus0: apid 4 (application processor)
-cpu2: Intel(R) Atom(TM) x7-Z8700 CPU @ 1.60GHz, 1599.95 MHz, 06-4c-03
+cpu2: Intel(R) Atom(TM) x7-Z8700 CPU @ 1.60GHz, 1599.96 MHz, 06-4c-03
 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,CX16,xTPR,PDCM,SSE4.1,SSE4.2,MOVBE,POPCNT,DEADLINE,AES,RDRAND,NXE,RDTSCP,LONG,LAHF,3DNOWP,PERF,ITSC,SMEP,ERMS,SENSOR,ARAT,MELTDOWN
 cpu2: 1MB 64b/line 16-way L2 cache
 cpu2: smt 0, core 2, package 0
 cpu3 at mainbus0: apid 6 (application processor)
-cpu3: Intel(R) Atom(TM) x7-Z8700 CPU @ 1.60GHz, 1599.95 MHz, 06-4c-03
+cpu3: Intel(R) Atom(TM) x7-Z8700 CPU @ 1.60GHz, 1599.96 MHz, 06-4c-03
 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,CX16,xTPR,PDCM,SSE4.1,SSE4.2,MOVBE,POPCNT,DEADLINE,AES,RDRAND,NXE,RDTSCP,LONG,LAHF,3DNOWP,PERF,ITSC,SMEP,ERMS,SENSOR,ARAT,MELTDOWN
 cpu3: 1MB 64b/line 16-way L2 cache
 cpu3: smt 0, core 3, package 0
@@ -96,6 +96,7 @@
 "INT33FE" at iic0 addr 0x54 not configured
 chvgpio2 at acpi0: GPO0 uid 1 addr 0xfed80000/0x8000 irq 49, 56 pins
 chvgpio3 at acpi0: GPO2 uid 3 addr 0xfed90000/0x8000 irq 50, 24 pins
+acpipci0 at acpi0 PCI0: 0x00000000 0x00000011 0x00000001
 sdhc0 at acpi0 SDHA addr 0xa1a3a000/0x1000 irq 45
 sdhc0: SDHC 3.0, 200 MHz base clock
 sdmmc0 at sdhc0: 8-bit, sd high-speed, mmc high-speed, dma
@@ -197,15 +198,15 @@
 vmm0 at mainbus0: VMX/EPT (using slow L1TF mitigation)
 efifb at mainbus0 not configured
 sdmmc1: can't enable card
-scsibus1 at sdmmc0: 2 targets, initiator 0
-sd0 at scsibus1 targ 1 lun 0: <Toshiba, 064G70, 0000> SCSI2 0/direct removable
-sd0: 59640MB, 512 bytes/sector, 122142720 sectors
+scsibus1 at sdmmc2: 2 targets, initiator 0
+sd0 at scsibus1 targ 1 lun 0: <SD/MMC, , 0010> SCSI2 0/direct removable
+sd0: 61071MB, 512 bytes/sector, 125073408 sectors
+scsibus2 at sdmmc0: 2 targets, initiator 0
+sd1 at scsibus2 targ 1 lun 0: <Toshiba, 064G70, 0000> SCSI2 0/direct removable
+sd1: 59640MB, 512 bytes/sector, 122142720 sectors
 uhidev0 at uhub0 port 2 configuration 1 interface 0 "HK-XBOXKB-US-A0-10-00 USB 
KEYBOARD" rev 1.10/1.00 addr 2
 uhidev0: iclass 3/1
 ukbd0 at uhidev0: 8 variable keys, 6 key codes
-scsibus2 at sdmmc2: 2 targets, initiator 0
-sd1 at scsibus2 targ 1 lun 0: <SD/MMC, , 0010> SCSI2 0/direct removable
-sd1: 61071MB, 512 bytes/sector, 125073408 sectors
 wskbd0 at ukbd0: console keyboard, using wsdisplay0
 uhidev1 at uhub0 port 2 configuration 1 interface 1 "HK-XBOXKB-US-A0-10-00 USB 
KEYBOARD" rev 1.10/1.00 addr 2
 uhidev1: iclass 3/0, 9 report ids
@@ -224,14 +225,17 @@
 ukbd1 at uhidev3: 8 variable keys, 6 key codes
 wskbd1 at ukbd1 mux 1
 wskbd1: connecting to wsdisplay0
-ure0 at uhub0 port 9 configuration 1 interface 0 "Realtek USB 10/100/1000 LAN" 
rev 3.00/30.00 addr 4
-ure0: ver 5c20, address 00:e0:97:00:65:53
-rgephy0 at ure0 phy 0: RTL8251 PHY, rev. 0
 vscsi0 at root
 scsibus3 at vscsi0: 256 targets
 softraid0 at root
 scsibus4 at softraid0: 256 targets
-root on sd0a (86ab0e9e00184c6c.a) swap on sd0b dump on sd0b
-uvm_fault(0xffffffff81d05da8, 0xffff80014031c252, 0, 1) -> e
+root on sd1a (86ab0e9e00184c6c.a) swap on sd1b dump on sd1b
+uvm_fault(0xffffffff81cfe330, 0xffff80014031c252, 0, 1) -> e
 kernel: page fault trap, code=0
-Stopped at     x86
+Stopped at     x86_bus_space_mem_read_4+0x11:  movl    0(%rsi,%rdi,1),%eax
+ddb{1}> x86_bus_space_mem_read_4(8a0a2007e0d86f43,ffffffff81c0a640) at 
x86_bus_space_mem_read_4+0x11
+bwfm_pci_preinit(96d61b2ea5d3153a) at bwfm_pci_preinit+0x2a9
+bwfm_attachhook(ce40eb144c77b06a) at bwfm_attachhook+0x2d
+config_process_deferred_mountroot() at config_process_deferred_mountroot+0x6b
+main(e000000) at end trace frame: 0x0, count: -5
+ddb{1}> 


OpenBSD 6.4-current (GENERIC.MP) #7: Wed Oct 24 07:42:29 CEST 2018
    we...@pom.alm.weirdnet.nl:/usr/src/sys/arch/amd64/compile/GENERIC.MP
real mem = 4182315008 (3988MB)
avail mem = 4046286848 (3858MB)
mpath0 at root
scsibus0 at mpath0: 256 targets
mainbus0 at root
bios0 at mainbus0: SMBIOS rev. 3.0 @ 0x7b8de000 (51 entries)
bios0: vendor American Megatrends Inc. version "5.11" date 12/23/2016
bios0: Default string Default string
acpi0 at bios0: rev 2
acpi0: sleep states S0 S4 S5
acpi0: tables DSDT FACP APIC FPDT FIDT MCFG SSDT SSDT SSDT UEFI SSDT HPET SSDT 
SSDT SSDT LPIT BCFG PRAM TPM2 CSRT WDAT SSDT SSDT SSDT
acpi0: wakeup devices
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) Atom(TM) x7-Z8700 CPU @ 1.60GHz, 1600.25 MHz, 06-4c-03
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,CX16,xTPR,PDCM,SSE4.1,SSE4.2,MOVBE,POPCNT,DEADLINE,AES,RDRAND,NXE,RDTSCP,LONG,LAHF,3DNOWP,PERF,ITSC,SMEP,ERMS,SENSOR,ARAT,MELTDOWN
cpu0: 1MB 64b/line 16-way L2 cache
cpu0: smt 0, core 0, package 0
mtrr: Pentium Pro MTRR support, 8 var ranges, 88 fixed ranges
cpu0: apic clock running at 79MHz
cpu0: mwait min=64, max=64, C-substates=0.2.0.0.0.0.3.3, IBE
cpu1 at mainbus0: apid 2 (application processor)
cpu1: Intel(R) Atom(TM) x7-Z8700 CPU @ 1.60GHz, 1599.95 MHz, 06-4c-03
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,CX16,xTPR,PDCM,SSE4.1,SSE4.2,MOVBE,POPCNT,DEADLINE,AES,RDRAND,NXE,RDTSCP,LONG,LAHF,3DNOWP,PERF,ITSC,SMEP,ERMS,SENSOR,ARAT,MELTDOWN
cpu1: 1MB 64b/line 16-way L2 cache
cpu1: smt 0, core 1, package 0
cpu2 at mainbus0: apid 4 (application processor)
cpu2: Intel(R) Atom(TM) x7-Z8700 CPU @ 1.60GHz, 1599.96 MHz, 06-4c-03
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,CX16,xTPR,PDCM,SSE4.1,SSE4.2,MOVBE,POPCNT,DEADLINE,AES,RDRAND,NXE,RDTSCP,LONG,LAHF,3DNOWP,PERF,ITSC,SMEP,ERMS,SENSOR,ARAT,MELTDOWN
cpu2: 1MB 64b/line 16-way L2 cache
cpu2: smt 0, core 2, package 0
cpu3 at mainbus0: apid 6 (application processor)
cpu3: Intel(R) Atom(TM) x7-Z8700 CPU @ 1.60GHz, 1599.96 MHz, 06-4c-03
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,CX16,xTPR,PDCM,SSE4.1,SSE4.2,MOVBE,POPCNT,DEADLINE,AES,RDRAND,NXE,RDTSCP,LONG,LAHF,3DNOWP,PERF,ITSC,SMEP,ERMS,SENSOR,ARAT,MELTDOWN
cpu3: 1MB 64b/line 16-way L2 cache
cpu3: smt 0, core 3, package 0
ioapic0 at mainbus0: apid 1 pa 0xfec00000, version 20, 115 pins
acpimcfg0 at acpi0
acpimcfg0: addr 0xe0000000, bus 0-255
acpihpet0 at acpi0: 14318179 Hz
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)
acpicpu0 at acpi0: C3(10@1000 mwait.1@0x64), C2(10@500 mwait.1@0x58), C1(1000@1 
mwait.1), PSS
acpicpu1 at acpi0: C3(10@1000 mwait.1@0x64), C2(10@500 mwait.1@0x58), C1(1000@1 
mwait.1), PSS
acpicpu2 at acpi0: C3(10@1000 mwait.1@0x64), C2(10@500 mwait.1@0x58), C1(1000@1 
mwait.1), PSS
acpicpu3 at acpi0: C3(10@1000 mwait.1@0x64), C2(10@500 mwait.1@0x58), C1(1000@1 
mwait.1), PSS
acpipwrres0 at acpi0: ID3C, resource for ISP3
acpipwrres1 at acpi0: WWPR, resource for HS03, MDM1
acpipwrres2 at acpi0: WWPR, resource for HS13, MDM1
acpipwrres3 at acpi0: WWPR, resource for SSC1, MDM3
acpipwrres4 at acpi0: WWPR, resource for SSCW, MDM3
acpipwrres5 at acpi0: WWPR, resource for HSC1, MDM2
acpipwrres6 at acpi0: WWPR, resource for HSC3, MDM4
acpipwrres7 at acpi0: CLK3, resource for RTK1, RTKA
acpipwrres8 at acpi0: CLK4
acpipwrres9 at acpi0: CLK2, resource for NFC2
acpipwrres10 at acpi0: CLK1
acpipwrres11 at acpi0: CLK0, resource for CA10, CAM9, CAM3
acpipwrres12 at acpi0: CLK1, resource for CAM4
acpipwrres13 at acpi0: USBC, resource for XHC1, OTG1
acpipwrres14 at acpi0: P28X
acpipwrres15 at acpi0: P18X
acpipwrres16 at acpi0: P12X
acpipwrres17 at acpi0: P28P
acpipwrres18 at acpi0: P18P
acpipwrres19 at acpi0: P19X
acpipwrres20 at acpi0: P06X
acpipwrres21 at acpi0: P12A
acpipwrres22 at acpi0: P28T
acpipwrres23 at acpi0: P18D
acpipwrres24 at acpi0: P18T
acpipwrres25 at acpi0: P3P3
acpipwrres26 at acpi0: P12T
acpipwrres27 at acpi0: P28W
acpipwrres28 at acpi0: P18W
acpipwrres29 at acpi0: P12W
acpipwrres30 at acpi0: P33W
acpipwrres31 at acpi0: P33X
acpipwrres32 at acpi0: P4BW
acpitz0 at acpi0: critical temperature is 90 degC
"INT33A4" at acpi0 not configured
"INT33BD" at acpi0 not configured
chvgpio0 at acpi0: GPO1 uid 2 addr 0xfed88000/0x8000 irq 48, 59 pins
chvgpio1 at acpi0: GPO3 uid 4 addr 0xfed98000/0x8000 irq 91, 55 pins
dwiic0 at acpi0 I2C7 addr 0xa1a26000/0x1000 irq 38
iic0 at dwiic0
"INT34D3" at iic0 addr 0x6e not configured
dwiic1 at acpi0 I2C1 addr 0xa1a32000/0x1000 irq 32
iic1 at dwiic1
"INT33FE" at iic0 addr 0x54 not configured
chvgpio2 at acpi0: GPO0 uid 1 addr 0xfed80000/0x8000 irq 49, 56 pins
chvgpio3 at acpi0: GPO2 uid 3 addr 0xfed90000/0x8000 irq 50, 24 pins
acpipci0 at acpi0 PCI0: 0x00000000 0x00000011 0x00000001
sdhc0 at acpi0 SDHA addr 0xa1a3a000/0x1000 irq 45
sdhc0: SDHC 3.0, 200 MHz base clock
sdmmc0 at sdhc0: 8-bit, sd high-speed, mmc high-speed, dma
sdhc1 at acpi0 SDHB addr 0xa1a38000/0x1000 irq 46
sdhc1: SDHC 3.0, 200 MHz base clock
sdmmc1 at sdhc1: 4-bit, sd high-speed, mmc high-speed, dma
sdhc2 at acpi0 SHC1 addr 0xa1a36000/0x1000 irq 47, gpio
aml_rwgen: unregistered RegionSpace 0x8f
sdhc2: SDHC 3.0, 200 MHz base clock
sdmmc2 at sdhc2: 4-bit, sd high-speed, mmc high-speed, dma
"INTL9C60" at acpi0 not configured
"INTL9C60" at acpi0 not configured
"8086228A" at acpi0 not configured
"BCM2E7E" at acpi0 not configured
"8086228A" at acpi0 not configured
"8086228E" at acpi0 not configured
"8086228E" at acpi0 not configured
"8086228E" at acpi0 not configured
dwiic2 at acpi0 I2C2 addr 0xa1a30000/0x1000 irq 33
iic2 at dwiic2
"10EC5645" at iic2 addr 0x1a not configured
dwiic3 at acpi0 I2C3 addr 0xa1a2e000/0x1000 irq 34
iic3 at dwiic3
"KIOX000A" at iic3 addr 0xf not configured
dwiic4 at acpi0 I2C4 addr 0xa1a2c000/0x1000 irq 35
iic4 at dwiic4
dwiic5 at acpi0 I2C5 addr 0xa1a2a000/0x1000 irq 36
iic5 at dwiic5
dwiic6 at acpi0 I2C6 addr 0xa1a28000/0x1000 irq 37
iic6 at dwiic6
"GDIX1001" at iic6 addr 0x14 not configured
"808622A8" at acpi0 not configured
"INT33D5" at acpi0 not configured
acpicmos0 at acpi0
acpibtn0 at acpi0: LID0
acpibtn1 at acpi0: PWRB
chvgpio4 at acpi0: GPO4 uid 5
"ACPI0011" at acpi0 not configured
"ACPI000C" at acpi0 not configured
acpiac0 at acpi0: AC unit online
"MSFT0101" at acpi0 not configured
"INT3400" at acpi0 not configured
"INT3407" at acpi0 not configured
"INT3403" at acpi0 not configured
"INT3403" at acpi0 not configured
"INT3403" at acpi0 not configured
"INT3409" at acpi0 not configured
"INT3406" at acpi0 not configured
"INT3403" at acpi0 not configured
"USBC000" at acpi0 not configured
acpivideo0 at acpi0: GFX0
acpivout0 at acpivideo0: DD01
acpivout at acpivideo0 not configured
acpivout at acpivideo0 not configured
acpivout at acpivideo0 not configured
acpivout at acpivideo0 not configured
acpivout at acpivideo0 not configured
acpivout at acpivideo0 not configured
acpivout at acpivideo0 not configured
cpu0: Enhanced SpeedStep 1600 MHz: speeds: 1601, 1600, 1520, 1440, 1360, 1280, 
1200, 1120, 1040, 960, 880, 800, 720, 640, 560, 480 MHz
pci0 at mainbus0 bus 0
pchb0 at pci0 dev 0 function 0 "Intel Braswell Host" rev 0x20
inteldrm0 at pci0 dev 2 function 0 "Intel HD Graphics" rev 0x20
drm0 at inteldrm0
inteldrm0: msi
error: [drm:pid0:parse_mipi] *ERROR* Unable to parse MIPI Sequence Block v3+
error: [drm:pid0:pwm_setup_backlight] *ERROR* Failed to own the pwm chip
WARNING clock->n == 0 || clock->p == 0 failed at 
/usr/src/sys/dev/pci/drm/i915/intel_display.c:694
error: [drm:pid0:drm_calc_timestamping_constants] *ERROR* crtc 26: Can't 
calculate constants, dotclock = 0!
inteldrm0: 720x1280, 32bpp
attached crtc is active, but connector isn't
DPIO read pipe B reg 0x8080 == 0xffffffff
DPIO read pipe B reg 0x8180 == 0xffffffff
DPIO read pipe B reg 0x8184 == 0xffffffff
DPIO read pipe B reg 0x8188 == 0xffffffff
DPIO read pipe B reg 0x818c == 0xffffffff
[ENCODER:45] active 0 with crtc active 1
error: [drm:pid0:intel_pipe_config_compare] *ERROR* mismatch in 
dpll_hw_state.dpll (expected 0x30002000, found 0x30006000)
error: [drm:pid0:intel_pipe_config_compare] *ERROR* mismatch in 
dpll_hw_state.dpll_md (expected 0x00000000, found 0x00000003)
error: [drm:pid0:intel_pipe_config_compare] *ERROR* mismatch in 
base.adjusted_mode.crtc_clock (expected 61000, found 0)
error: [drm:pid0:intel_pipe_config_compare] *ERROR* mismatch in port_clock 
(expected 61000, found 0)
pipe state doesn't match!
wsdisplay0 at inteldrm0 mux 1: console (std, vt100 emulation)
wsdisplay0: screen 1-5 added (std, vt100 emulation)
"Intel Braswell Power" rev 0x20 at pci0 dev 11 function 0 not configured
xhci0 at pci0 dev 20 function 0 "Intel Braswell xHCI" rev 0x20: 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 Braswell TXE" rev 0x20 at pci0 dev 26 function 0 not configured
ppb0 at pci0 dev 28 function 0 "Intel Braswell PCIE" rev 0x20: msi
pci1 at ppb0 bus 1
bwfm0 at pci1 dev 0 function 0 "Broadcom BCM4356" rev 0x02: msi
pcib0 at pci0 dev 31 function 0 "Intel Braswell PCU LPC" rev 0x20
isa0 at pcib0
isadma0 at isa0
com0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo
pcppi0 at isa0 port 0x61
spkr0 at pcppi0
vmm0 at mainbus0: VMX/EPT (using slow L1TF mitigation)
efifb at mainbus0 not configured
sdmmc1: can't enable card
scsibus1 at sdmmc2: 2 targets, initiator 0
sd0 at scsibus1 targ 1 lun 0: <SD/MMC, , 0010> SCSI2 0/direct removable
sd0: 61071MB, 512 bytes/sector, 125073408 sectors
scsibus2 at sdmmc0: 2 targets, initiator 0
sd1 at scsibus2 targ 1 lun 0: <Toshiba, 064G70, 0000> SCSI2 0/direct removable
sd1: 59640MB, 512 bytes/sector, 122142720 sectors
uhidev0 at uhub0 port 2 configuration 1 interface 0 "HK-XBOXKB-US-A0-10-00 USB 
KEYBOARD" rev 1.10/1.00 addr 2
uhidev0: iclass 3/1
ukbd0 at uhidev0: 8 variable keys, 6 key codes
wskbd0 at ukbd0: console keyboard, using wsdisplay0
uhidev1 at uhub0 port 2 configuration 1 interface 1 "HK-XBOXKB-US-A0-10-00 USB 
KEYBOARD" rev 1.10/1.00 addr 2
uhidev1: iclass 3/0, 9 report ids
ums0 at uhidev1 reportid 1: 5 buttons, Z and W dir
wsmouse0 at ums0 mux 0
uhid0 at uhidev1 reportid 2: input=1, output=0, feature=0
uhid1 at uhidev1 reportid 3: input=3, output=0, feature=0
uhid2 at uhidev1 reportid 5: input=0, output=0, feature=5
uhid3 at uhidev1 reportid 9: input=1, output=0, feature=0
uhidev2 at uhub0 port 3 configuration 1 interface 0 "vendor 0x0079 Mouce for 
Android" rev 2.00/1.00 addr 3
uhidev2: iclass 3/0
ums1 at uhidev2: 5 buttons, Z dir
wsmouse1 at ums1 mux 0
uhidev3 at uhub0 port 3 configuration 1 interface 1 "vendor 0x0079 Mouce for 
Android" rev 2.00/1.00 addr 3
uhidev3: iclass 3/0
ukbd1 at uhidev3: 8 variable keys, 6 key codes
wskbd1 at ukbd1 mux 1
wskbd1: connecting to wsdisplay0
vscsi0 at root
scsibus3 at vscsi0: 256 targets
softraid0 at root
scsibus4 at softraid0: 256 targets
root on sd1a (86ab0e9e00184c6c.a) swap on sd1b dump on sd1b
uvm_fault(0xffffffff81cfe330, 0xffff80014031c252, 0, 1) -> e
kernel: page fault trap, code=0
Stopped at      x86_bus_space_mem_read_4+0x11:  movl    0(%rsi,%rdi,1),%eax
ddb{1}> x86_bus_space_mem_read_4(8a0a2007e0d86f43,ffffffff81c0a640) at 
x86_bus_space_mem_read_4+0x11
bwfm_pci_preinit(96d61b2ea5d3153a) at bwfm_pci_preinit+0x2a9
bwfm_attachhook(ce40eb144c77b06a) at bwfm_attachhook+0x2d
config_process_deferred_mountroot() at config_process_deferred_mountroot+0x6b
main(e000000) at end trace frame: 0x0, count: -5
ddb{1}> 

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