When halting/rebooting a i386 VM on an amd64 host (dmesg attached), the
following fault is triggered.
The same happens with a self built -current kernel w/o any suspect UVM
diff :o)
kernel: protection fault trap, code=0
Stopped at pmap_apte_flush+0x6: movl %eax,%cr3
ddb> tr
pmap_apte_flush() at pmap_apte_flush+0x6
pmap_do_remove_pae(d1ee63e0,3818a000,3818b000,0) at pmap_do_remove_pae+0x10a
pmap_remove(d1ee63e0,3818a000,3818b000) at pmap_remove+0x18
uvm_unmap_kill_entry(d1ee56e4,f5449aa8) at uvm_unmap_kill_entry+0xcf
uvm_map_teardown(d1ee56e4) at uvm_map_teardown+0xe5
uvmspace_free(d1ee56e4) at uvmspace_free+0x21
uvm_exit(f52d3008) at uvm_exit+0xf
reaper(d21cbc04) at reaper+0xc8
ddb> show reg
ds 0x10
es 0x10
fs 0x20
gs 0
edi 0x1
esi 0xd1ee63e0 __kernel_bss_end+0x104e3e0
ebp 0xf52319e0
ebx 0x3818a000
edx 0
ecx 0x19d21063
eax 0x1f053ca0
eip 0xd037e966 pmap_apte_flush+0x6
cs 0x8
eflags 0x10202 __ALIGN_SIZE+0xf202
esp 0xf52319e0
ss 0x10
pmap_apte_flush+0x6: movl %eax,%cr3
ddb> ps
PID TID PPID UID S FLAGS WAIT COMMAND
69542 351990 72647 0 2 0x3 reboot
81877 210390 1 0 2 0x100098 cron
72647 195966 96541 0 2 0x10008b ksh
96541 444017 61779 1000 2 0x10008b ksh
61779 231788 25968 1000 2 0x90 sshd
25968 186371 38951 0 2 0x92 sshd
44033 169241 1 110 2 0x100090 sndiod
68873 132525 1 99 2 0x100090 sndiod
9169 60213 86584 95 3 0x100092 kqread smtpd
83243 90401 86584 103 3 0x100092 kqread smtpd
74792 245936 86584 95 3 0x100092 kqread smtpd
97869 430626 86584 95 3 0x100092 kqread smtpd
43869 122563 86584 95 3 0x100092 kqread smtpd
38520 448547 86584 95 3 0x100092 kqread smtpd
86584 136690 1 0 2 0x100080 smtpd
38951 57917 1 0 2 0x80 sshd
32911 352335 1 0 2 0x100080 ntpd
11368 145244 25779 83 2 0x100092 ntpd
25779 185788 1 83 2 0x100092 ntpd
47656 212346 26774 74 2 0x100092 pflogd
26774 353677 1 0 2 0x80 pflogd
19681 44843 72498 73 2 0x100090 syslogd
72498 380045 1 0 2 0x100082 syslogd
84730 463979 1 77 2 0x100090 dhclient
92615 326957 1 0 2 0x80 dhclient
16049 68839 13348 115 2 0x100092 slaacd
41499 433969 13348 115 2 0x100092 slaacd
13348 282811 1 0 2 0x100080 slaacd
36110 47092 0 0 2 0x14200 zerothread
8021 348685 0 0 3 0x14200 aiodoned aiodoned
92453 395816 0 0 3 0x14200 syncer update
28108 418416 0 0 3 0x14200 cleaner cleaner
* 1683 524251 0 0 7 0x14200 reaper
87926 500105 0 0 3 0x14200 pgdaemon pagedaemon
42312 420942 0 0 3 0x14200 bored crynlk
69782 343755 0 0 3 0x14200 bored crypto
1361 103596 0 0 3 0x14200 bored softnet
2679 328062 0 0 3 0x14200 bored systqmp
15093 489967 0 0 3 0x14200 bored systq
72590 500814 0 0 3 0x40014200 bored softclock
82633 239910 0 0 3 0x40014200 idle0
31385 107095 0 0 3 0x14200 bored smr
22789 262757 0 0 3 0x14200 kmalloc kmthread
1 267026 0 0 2 0x82 init
0 0 -1 0 3 0x10200 scheduler swapper
OpenBSD 6.6-current (GENERIC) #349: Sat Nov 2 13:31:50 MDT 2019
[email protected]:/usr/src/sys/arch/i386/compile/GENERIC
real mem = 536354816 (511MB)
avail mem = 510889984 (487MB)
mpath0 at root
scsibus0 at mpath0: 256 targets
mainbus0 at root
bios0 at mainbus0: date 06/23/99, BIOS32 rev. 0 @ 0xfefc2, SMBIOS rev. 2.4 @
0xf3f40 (10 entries)
bios0: vendor SeaBIOS version "1.11.0p2-OpenBSD-vmm" date 01/01/2011
bios0: OpenBSD VMM
acpi at bios0 function 0x0 not configured
pcibios at bios0 function 0x1a not configured
bios0: ROM list: 0xef000/0x1000!
cpu0 at mainbus0: (uniprocessor)
cpu0: Intel(R) Core(TM) i7-8550U CPU @ 1.80GHz ("GenuineIntel" 686-class) 2
GHz, 06-8e-0a
cpu0:
FPU,V86,DE,PSE,TSC,MSR,PAE,CX8,SEP,PGE,CMOV,PAT,PSE36,CFLUSH,MMX,FXSR,SSE,SSE2,SSE3,PCLMUL,SSSE3,FMA3,CX16,SSE4.1,SSE4.2,MOVBE,POPCNT,AES,XSAVE,AVX,F16C,RDRAND,HV,NXE,PAGE1GB,LONG,LAHF,ABM,3DNOWP,ITSC,FSGSBASE,TSC_ADJUST,BMI1,AVX2,SMEP,BMI2,ERMS,RDSEED,ADX,SMAP,CLFLUSHOPT,MELTDOWN
pvbus0 at mainbus0: OpenBSD
pvclock0 at pvbus0
pci0 at mainbus0 bus 0: configuration mode 1 (no bios)
pchb0 at pci0 dev 0 function 0 "OpenBSD VMM Host" rev 0x00
virtio0 at pci0 dev 1 function 0 "Qumranet Virtio RNG" rev 0x00
viornd0 at virtio0
virtio0: irq 3
virtio1 at pci0 dev 2 function 0 "Qumranet Virtio Network" rev 0x00
vio0 at virtio1: address fe:e1:bb:d1:25:ea
virtio1: irq 5
virtio2 at pci0 dev 3 function 0 "Qumranet Virtio Storage" rev 0x00
vioblk0 at virtio2
scsibus1 at vioblk0: 2 targets
sd0 at scsibus1 targ 0 lun 0: <VirtIO, Block Device, >
sd0: 20480MB, 512 bytes/sector, 41943040 sectors
virtio2: irq 6
virtio3 at pci0 dev 4 function 0 "OpenBSD VMM Control" rev 0x00
vmmci0 at virtio3
virtio3: irq 7
isa0 at mainbus0
isadma0 at isa0
com0 at isa0 port 0x3f8/8 irq 4: ns8250, no fifo
com0: console
pcdisplay0 at isa0 port 0x3d0/16 iomem 0xb8000/32768
wsdisplay0 at pcdisplay0 mux 1: console (80x25, vt100 emulation)
npx0 at isa0 port 0xf0/16: reported by CPUID; using exception 16
vscsi0 at root
scsibus2 at vscsi0: 256 targets
softraid0 at root
scsibus3 at softraid0: 256 targets
root on sd0a (ab5e7d8b17905e00.a) swap on sd0b dump on sd0b
OpenBSD 6.6-current (GENERIC.MP) #1: Sat Nov 2 17:59:08 CET 2019
[email protected]:/hack/cvs/src/sys/arch/amd64/compile/GENERIC.MP
real mem = 16913395712 (16129MB)
avail mem = 16391024640 (15631MB)
mpath0 at root
scsibus0 at mpath0: 256 targets
mainbus0 at root
bios0 at mainbus0: SMBIOS rev. 3.0 @ 0xcf06c000 (63 entries)
bios0: vendor LENOVO version "N22ET57W (1.34 )" date 09/02/2019
bios0: LENOVO 20L7001PFR
acpi0 at bios0: ACPI 5.0
acpi0: sleep states S0 S3 S4 S5
acpi0: tables DSDT FACP SSDT UEFI SSDT SSDT HPET APIC MCFG ECDT SSDT SSDT BOOT
BATB SLIC SSDT SSDT SSDT LPIT WSMT SSDT SSDT SSDT DBGP DBG2 MSDM DMAR ASF! FPDT
UEFI
acpi0: wakeup devices GLAN(S4) XHC_(S3) XDCI(S4) HDAS(S4) RP01(S4) PXSX(S4)
RP02(S4) PXSX(S4) PXSX(S4) RP04(S4) PXSX(S4) RP05(S4) PXSX(S4) RP06(S4)
PXSX(S4) RP07(S4) [...]
acpitimer0 at acpi0: 3579545 Hz, 24 bits
acpihpet0 at acpi0: 23999999 Hz
acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat
cpu0 at mainbus0: apid 0 (boot processor)
cpu0: Intel(R) Core(TM) i7-8550U CPU @ 1.80GHz, 1294.17 MHz, 06-8e-0a
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,TSC_ADJUST,SGX,BMI1,AVX2,SMEP,BMI2,ERMS,INVPCID,MPX,RDSEED,ADX,SMAP,CLFLUSHOPT,PT,MD_CLEAR,TSXFA,IBRS,IBPB,STIBP,L1DF,SSBD,SENSOR,ARAT,XSAVEOPT,XSAVEC,XGETBV1,XSAVES,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 24MHz
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) i7-8550U CPU @ 1.80GHz, 1095.06 MHz, 06-8e-0a
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,TSC_ADJUST,SGX,BMI1,AVX2,SMEP,BMI2,ERMS,INVPCID,MPX,RDSEED,ADX,SMAP,CLFLUSHOPT,PT,MD_CLEAR,TSXFA,IBRS,IBPB,STIBP,L1DF,SSBD,SENSOR,ARAT,XSAVEOPT,XSAVEC,XGETBV1,XSAVES,MELTDOWN
cpu1: 256KB 64b/line 8-way L2 cache
cpu1: smt 0, core 1, package 0
cpu2 at mainbus0: apid 4 (application processor)
cpu2: Intel(R) Core(TM) i7-8550U CPU @ 1.80GHz, 923.79 MHz, 06-8e-0a
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,TSC_ADJUST,SGX,BMI1,AVX2,SMEP,BMI2,ERMS,INVPCID,MPX,RDSEED,ADX,SMAP,CLFLUSHOPT,PT,MD_CLEAR,TSXFA,IBRS,IBPB,STIBP,L1DF,SSBD,SENSOR,ARAT,XSAVEOPT,XSAVEC,XGETBV1,XSAVES,MELTDOWN
cpu2: 256KB 64b/line 8-way L2 cache
cpu2: smt 0, core 2, package 0
cpu3 at mainbus0: apid 6 (application processor)
cpu3: Intel(R) Core(TM) i7-8550U CPU @ 1.80GHz, 897.92 MHz, 06-8e-0a
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,TSC_ADJUST,SGX,BMI1,AVX2,SMEP,BMI2,ERMS,INVPCID,MPX,RDSEED,ADX,SMAP,CLFLUSHOPT,PT,MD_CLEAR,TSXFA,IBRS,IBPB,STIBP,L1DF,SSBD,SENSOR,ARAT,XSAVEOPT,XSAVEC,XGETBV1,XSAVES,MELTDOWN
cpu3: 256KB 64b/line 8-way L2 cache
cpu3: smt 0, core 3, package 0
ioapic0 at mainbus0: apid 2 pa 0xfec00000, version 20, 120 pins
acpimcfg0 at acpi0
acpimcfg0: addr 0xf8000000, bus 0-63
acpiec0 at acpi0
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 4 (RP05)
acpiprt6 at acpi0: bus -1 (RP06)
acpiprt7 at acpi0: bus 61 (RP07)
acpiprt8 at acpi0: bus -1 (RP08)
acpiprt9 at acpi0: bus 62 (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 -1 (RP21)
acpiprt22 at acpi0: bus -1 (RP22)
acpiprt23 at acpi0: bus -1 (RP23)
acpiprt24 at acpi0: bus -1 (RP24)
acpicpu0 at acpi0: C3(200@1034 mwait.1@0x60), C2(200@151 mwait.1@0x33),
C1(1000@1 mwait.1), PSS
acpicpu1 at acpi0: C3(200@1034 mwait.1@0x60), C2(200@151 mwait.1@0x33),
C1(1000@1 mwait.1), PSS
acpicpu2 at acpi0: C3(200@1034 mwait.1@0x60), C2(200@151 mwait.1@0x33),
C1(1000@1 mwait.1), PSS
acpicpu3 at acpi0: C3(200@1034 mwait.1@0x60), C2(200@151 mwait.1@0x33),
C1(1000@1 mwait.1), PSS
acpipwrres0 at acpi0: PUBS, resource for XHC_
acpitz0 at acpi0: critical temperature is 128 degC
acpipci0 at acpi0 PCI0: 0x00000000 0x00000011 0x00000001
acpithinkpad0 at acpi0: version 2.0
acpiac0 at acpi0: AC unit offline
acpibat0 at acpi0: BAT0 model "01AV478" serial 2889 type LiP oem "LGC"
"LEN0100" at acpi0 not configured
"INT3403" at acpi0 not configured
acpicmos0 at acpi0
"INT0E0C" at acpi0 not configured
acpibtn0 at acpi0: SLPB
"PNP0C14" at acpi0 not configured
acpibtn1 at acpi0: LID_
"PNP0C14" at acpi0 not configured
"PNP0C14" at acpi0 not configured
"PNP0C14" at acpi0 not configured
"INT3400" at acpi0 not configured
acpivideo0 at acpi0: GFX0
acpivout0 at acpivideo0: DD1F
cpu0: using VERW MDS workaround (except on vmm entry)
cpu0: Enhanced SpeedStep 1294 MHz: speeds: 2001, 2000, 1900, 1800, 1700, 1500,
1400, 1300, 1200, 1100, 1000, 800, 700, 600, 500, 400 MHz
pci0 at mainbus0 bus 0
pchb0 at pci0 dev 0 function 0 "Intel Core 8G Host" rev 0x08
inteldrm0 at pci0 dev 2 function 0 "Intel UHD Graphics 620" rev 0x07
drm0 at inteldrm0
inteldrm0: msi
error: [drm:pid0:i915_firmware_load_error_print] *ERROR* failed to load
firmware i915/kbl_dmc_ver1.bin (-22)
inteldrm0: 1920x1080, 32bpp
wsdisplay0 at inteldrm0 mux 1: console (std, vt100 emulation)
wsdisplay0: screen 1-5 added (std, vt100 emulation)
"Intel Core 6G Thermal" rev 0x08 at pci0 dev 4 function 0 not configured
"Intel Core GMM" rev 0x00 at pci0 dev 8 function 0 not configured
xhci0 at pci0 dev 20 function 0 "Intel 100 Series xHCI" rev 0x21: 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
pchtemp0 at pci0 dev 20 function 2 "Intel 100 Series Thermal" rev 0x21
dwiic0 at pci0 dev 21 function 0 "Intel 100 Series I2C" rev 0x21: apic 2 int 16
iic0 at dwiic0
"Intel 100 Series MEI" rev 0x21 at pci0 dev 22 function 0 not configured
ppb0 at pci0 dev 28 function 0 "Intel 100 Series PCIE" rev 0xf1: msi
pci1 at ppb0 bus 1
ppb1 at pci0 dev 28 function 4 "Intel 100 Series PCIE" rev 0xf1
pci2 at ppb1 bus 4
ppb2 at pci0 dev 28 function 6 "Intel 100 Series PCIE" rev 0xf1: msi
pci3 at ppb2 bus 61
iwm0 at pci3 dev 0 function 0 "Intel Dual Band Wireless-AC 8265" rev 0x78, msi
ppb3 at pci0 dev 29 function 0 "Intel 100 Series PCIE" rev 0xf1: msi
pci4 at ppb3 bus 62
nvme0 at pci4 dev 0 function 0 "Samsung SM981/PM981 NVMe" rev 0x00: msix, NVMe
1.2
nvme0: SAMSUNG MZVLB256HAHQ-000L7, firmware 0L2QEXD7, serial S41GNX1M201213
scsibus1 at nvme0: 2 targets, initiator 0
sd0 at scsibus1 targ 1 lun 0: <NVMe, SAMSUNG MZVLB256, 0L2Q>
sd0: 244198MB, 512 bytes/sector, 500118192 sectors
pcib0 at pci0 dev 31 function 0 "Intel 200 Series LPC" rev 0x21
"Intel 100 Series PMC" rev 0x21 at pci0 dev 31 function 2 not configured
azalia0 at pci0 dev 31 function 3 "Intel 200 Series HD Audio" rev 0x21: msi
azalia0: codecs: Realtek/0x0257, Intel/0x280b, using Realtek/0x0257
audio0 at azalia0
ichiic0 at pci0 dev 31 function 4 "Intel 100 Series SMBus" rev 0x21: apic 2 int
16
iic1 at ichiic0
em0 at pci0 dev 31 function 6 "Intel I219-V" rev 0x21: msi, address
e8:6a:64:cb:0f:47
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, using wsdisplay0
pms0 at pckbc0 (aux slot)
wsmouse0 at pms0 mux 0
pms0: Elantech Clickpad, version 4, firmware 0x7f3001
wsmouse1 at pms0 mux 0
pcppi0 at isa0 port 0x61
spkr0 at pcppi0
vmm0 at mainbus0: VMX/EPT
efifb at mainbus0 not configured
ugen0 at uhub0 port 3 "Generic EMV Smartcard Reader" rev 2.01/1.20 addr 2
uvideo0 at uhub0 port 8 configuration 1 interface 0 "SunplusIT Inc Integrated
Camera" rev 2.01/54.22 addr 3
video0 at uvideo0
umass0 at uhub0 port 15 configuration 1 interface 0 "Generic USB3.0-CRW" rev
3.00/2.04 addr 4
umass0: using SCSI over Bulk-Only
scsibus2 at umass0: 2 targets, initiator 0
sd1 at scsibus2 targ 1 lun 0: <Generic-, SD/MMC, 1.00> removable
serial.0bda0316501030900000
vscsi0 at root
scsibus3 at vscsi0: 256 targets
softraid0 at root
scsibus4 at softraid0: 256 targets
sd2 at scsibus4 targ 1 lun 0: <OPENBSD, SR CRYPTO, 006>
sd2: 244197MB, 512 bytes/sector, 500116577 sectors
root on sd2a (b4d5f07ae4354e59.a) swap on sd2b dump on sd2b
iwm0: hw rev 0x230, fw ver 22.361476.0, address d0:c6:37:c5:80:b4
error: [drm:pid48874:intel_pipe_update_start] *ERROR* Potential atomic update
failure on pipe A
