SIGBUS in flightgear / qt / libexpat

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SIGBUS in flightgear / qt / libexpat

Julian Smith
I've been trying to build and run the open source flight simulator
flightgear (https://flightgear.org) on OpenBSD.

Slightly to my surprise, getting it to build wasn't too difficult.

But i'm getting a SIGBUS at early on at runtime in code called by Qt.

I'm unsure how to go about investigating this, so i wonder whether
anyone here might have come across something similar?

Here's some info from gdb:

Backtrace:

Program received signal SIGBUS, Bus error.
[Switching to thread 412399]
0x000007f0523be1a4 in __llvm_retpoline_r11 () from /usr/lib/libexpat.so.12.0
Current language:  auto; currently minimal
(gdb) bt
#0  0x000007f0523be1a4 in __llvm_retpoline_r11 () from /usr/lib/libexpat.so.12.0
#1  0xfffaf8fe00000000 in ?? ()
#2  0x000007f0523c1241 in XML_ParseBuffer (parser=Variable "parser" is not available.
) at /usr/src/lib/libexpat/lib/xmlparse.c:1740
#3  0x000007f0ee63c4ba in IA__FcConfigParseAndLoad (config=0x7f073cbbe00, name=0x0, complain=1)
    at /usr/xenocara/lib/fontconfig/src/../../../dist/fontconfig/src/fcxml.c:3350
#4  0x000007f0ee641497 in FcInitLoadOwnConfig (config=0x7f073cbbe00) at /usr/xenocara/lib/fontconfig/src/../../../dist/fontconfig/src/fcinit.c:80
#5  0x000007f0ee641730 in IA__FcInitLoadConfigAndFonts () at /usr/xenocara/lib/fontconfig/src/../../../dist/fontconfig/src/fcinit.c:160
#6  0x000007f0ee635edc in FcConfigInit () at /usr/xenocara/lib/fontconfig/src/../../../dist/fontconfig/src/fccfg.c:46
#7  0x000007f0c4c82891 in QFontconfigDatabase::populateFontDatabase () from /usr/local/lib/qt5/libQt5XcbQpa.so.1.2
#8  0x000007f107348bc5 in _ZL12initializeDbv () from /usr/local/lib/qt5/./libQt5Gui.so.2.2
#9  0x000007f107349821 in QFontDatabase::findFont () from /usr/local/lib/qt5/./libQt5Gui.so.2.2
#10 0x000007f10734ae74 in QFontDatabase::load () from /usr/local/lib/qt5/./libQt5Gui.so.2.2
#11 0x000007f10730ae65 in QFontPrivate::engineForScript () from /usr/local/lib/qt5/./libQt5Gui.so.2.2
#12 0x000007f10733f75f in QFontMetricsF::leading () from /usr/local/lib/qt5/./libQt5Gui.so.2.2
#13 0x000007f10752c843 in qt_format_text () from /usr/local/lib/qt5/./libQt5Gui.so.2.2
#14 0x000007f10752fb3d in qt_format_text () from /usr/local/lib/qt5/./libQt5Gui.so.2.2
#15 0x000007f10733eab6 in QFontMetrics::boundingRect () from /usr/local/lib/qt5/./libQt5Gui.so.2.2
#16 0x000007f10733eb83 in QFontMetrics::size () from /usr/local/lib/qt5/./libQt5Gui.so.2.2
#17 0x000007f056f07b3e in QPushButton::sizeHint () from /usr/local/lib/qt5/./libQt5Widgets.so.2.2
#18 0x000007f056ca1c4e in QWidgetItemV2::updateCacheIfNecessary () from /usr/local/lib/qt5/./libQt5Widgets.so.2.2
#19 0x000007f056ca2319 in QWidgetItemV2::maximumSize () from /usr/local/lib/qt5/./libQt5Widgets.so.2.2
#20 0x000007f056c892df in QBoxLayoutPrivate::setupGeom () from /usr/local/lib/qt5/./libQt5Widgets.so.2.2
#21 0x000007f056c8a6c7 in QBoxLayout::sizeHint () from /usr/local/lib/qt5/./libQt5Widgets.so.2.2
#22 0x000007f056c8a726 in non-virtual thunk to QBoxLayout::sizeHint() const () from /usr/local/lib/qt5/./libQt5Widgets.so.2.2
#23 0x000007f056c9ac2c in QLayout::totalSizeHint () from /usr/local/lib/qt5/./libQt5Widgets.so.2.2
#24 0x000007f056cc7438 in QWidget::sizeHint () from /usr/local/lib/qt5/./libQt5Widgets.so.2.2
#25 0x000007f056ca1c4e in QWidgetItemV2::updateCacheIfNecessary () from /usr/local/lib/qt5/./libQt5Widgets.so.2.2
#26 0x000007f056ca2259 in QWidgetItemV2::minimumSize () from /usr/local/lib/qt5/./libQt5Widgets.so.2.2
#27 0x000007f056c962ac in QGridBox::minimumSize () from /usr/local/lib/qt5/./libQt5Widgets.so.2.2
#28 0x000007f056c904cc in QGridLayoutPrivate::setupLayoutData () from /usr/local/lib/qt5/./libQt5Widgets.so.2.2
#29 0x000007f056c914e0 in QGridLayoutPrivate::findSize () from /usr/local/lib/qt5/./libQt5Widgets.so.2.2
#30 0x000007f056c91853 in QGridLayoutPrivate::minimumSize () from /usr/local/lib/qt5/./libQt5Widgets.so.2.2
#31 0x000007f056c93fbe in QGridLayout::minimumSize () from /usr/local/lib/qt5/./libQt5Widgets.so.2.2
#32 0x000007f056c9aae6 in QLayout::totalMinimumSize () from /usr/local/lib/qt5/./libQt5Widgets.so.2.2
#33 0x000007f056c9a440 in QLayout::activate () from /usr/local/lib/qt5/./libQt5Widgets.so.2.2
#34 0x000007f056cc6c90 in QWidget::setVisible () from /usr/local/lib/qt5/./libQt5Widgets.so.2.2
#35 0x000007f056f99e70 in QDialog::setVisible () from /usr/local/lib/qt5/./libQt5Widgets.so.2.2
#36 0x000007f056cc5bb4 in QWidget::show () from /usr/local/lib/qt5/./libQt5Widgets.so.2.2
#37 0x000007f056f9919f in QDialog::exec () from /usr/local/lib/qt5/./libQt5Widgets.so.2.2
Die: DW_TAG_<unknown> (abbrev = 96, offset = 86893594)
        has children: FALSE
        attributes:
                DW_AT_type (DW_FORM_ref4) constant ref: 86886052 (adjusted)
Dwarf Error: Cannot find type of die [in module /home/jules/flightgear/download_and_compile1/install/flightgear/bin/fgfs]
(gdb)

Threads:

(gdb) info threads
  7 thread 164008  futex () at -:3
  6 thread 558994  futex () at -:3
  5 thread 487113  _thread_sys_poll () at -:3
  4 thread 315717  futex () at -:3
  3 process 9250  0x000007f0523be1a4 in __llvm_retpoline_r11 () from /usr/lib/libexpat.so.12.0
  2 thread 113904  _thread_sys_poll () at -:3
* 1 thread 412399  0x000007f0523be1a4 in __llvm_retpoline_r11 () from /usr/lib/libexpat.so.12.0
Current language:  auto; currently asm
(gdb)

Registers:

(gdb) info reg
rax            0x400    1024
rbx            0x400    1024
rcx            0x7f0538f1c30    8728775433264
rdx            0x7f0538f0c00    8728775429120
rsi            0x7f0538f0800    8728775428096
rdi            0x7f0538f1c00    8728775433216
rbp            0x7f7ffffdacb0   0x7f7ffffdacb0
rsp            0x7f7ffffdac70   0x7f7ffffdac70
r8             0x7f0fba56e38    8731595468344
r9             0x0      0
r10            0x7f0fba561d8    8731595465176
r11            0xfffaf8fe00000000       -1415080054882304
r12            0x0      0
r13            0x400    1024
r14            0x0      0
r15            0x7f0538f1c00    8728775433216
rip            0x7f0523be1a4    0x7f0523be1a4 <__llvm_retpoline_r11+20>
eflags         0x10206  66054
cs             0x2b     43
ss             0x23     35
ds             0x23     35
es             0x23     35
fs             0x23     35
gs             0x23     35
(gdb)

Current code (we are at the retq instruction):

(gdb) disassemble
Dump of assembler code for function __llvm_retpoline_r11:
0x000007f0523be190 <__llvm_retpoline_r11+0>:    callq  0x7f0523be1a0 <__llvm_retpoline_r11+16>
0x000007f0523be195 <__llvm_retpoline_r11+5>:    pause  
0x000007f0523be197 <__llvm_retpoline_r11+7>:    lfence
0x000007f0523be19a <__llvm_retpoline_r11+10>:   jmp    0x7f0523be195 <__llvm_retpoline_r11+5>
0x000007f0523be19c <__llvm_retpoline_r11+12>:   int3  
0x000007f0523be19d <__llvm_retpoline_r11+13>:   int3  
0x000007f0523be19e <__llvm_retpoline_r11+14>:   int3  
0x000007f0523be19f <__llvm_retpoline_r11+15>:   int3  
0x000007f0523be1a0 <__llvm_retpoline_r11+16>:   mov    %r11,(%rsp)
0x000007f0523be1a4 <__llvm_retpoline_r11+20>:   retq  
0x000007f0523be1a5 <__llvm_retpoline_r11+21>:   int3  
0x000007f0523be1a6 <__llvm_retpoline_r11+22>:   int3  
0x000007f0523be1a7 <__llvm_retpoline_r11+23>:   int3  
0x000007f0523be1a8 <__llvm_retpoline_r11+24>:   int3  
0x000007f0523be1a9 <__llvm_retpoline_r11+25>:   int3  
0x000007f0523be1aa <__llvm_retpoline_r11+26>:   int3  
0x000007f0523be1ab <__llvm_retpoline_r11+27>:   int3  
0x000007f0523be1ac <__llvm_retpoline_r11+28>:   int3  
0x000007f0523be1ad <__llvm_retpoline_r11+29>:   int3  
0x000007f0523be1ae <__llvm_retpoline_r11+30>:   int3  
0x000007f0523be1af <__llvm_retpoline_r11+31>:   int3  
End of assembler dump.

The return address for retq is:

(gdb) p *(void**)$sp
$3 = (void *) 0xfffaf8fe00000000

(I guess this is from r11.)

And there is no memory at this address:

(gdb) p *(void**)0xfffaf8fe00000000
Cannot access memory at address 0xfffaf8fe00000000
(gdb)



Thanks in advance for any help or suggestions.

- Jules



BTW my dmesg is:

OpenBSD 6.5 (GENERIC.MP) #3: Sat Apr 13 14:48:43 MDT 2019
    [hidden email]:/usr/src/sys/arch/amd64/compile/GENERIC.MP
real mem = 17041059840 (16251MB)
avail mem = 16514973696 (15749MB)
mpath0 at root
scsibus0 at mpath0: 256 targets
mainbus0 at root
bios0 at mainbus0: SMBIOS rev. 2.6 @ 0xdae9c000 (64 entries)
bios0: vendor LENOVO version "8DET70WW (1.40 )" date 05/14/2015
bios0: LENOVO 4290CZ2
acpi0 at bios0: rev 2
acpi0: sleep states S0 S3 S4 S5
acpi0: tables DSDT FACP SLIC SSDT SSDT SSDT HPET APIC MCFG ECDT ASF! TCPA SSDT SSDT DMAR UEFI UEFI UEFI
acpi0: wakeup devices LID_(S3) SLPB(S3) IGBE(S4) EXP4(S4) EXP7(S4) EHC1(S3) EHC2(S3) HDEF(S4)
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) i5-2520M CPU @ 2.50GHz, 2492.29 MHz, 06-2a-07
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,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,POPCNT,DEADLINE,AES,XSAVE,AVX,RDTSCP,LONG,LAHF,PERF,ITSC,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=0.2.1.1.2, IBE
cpu1 at mainbus0: apid 1 (application processor)
cpu1: Intel(R) Core(TM) i5-2520M CPU @ 2.50GHz, 2491.90 MHz, 06-2a-07
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,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,POPCNT,DEADLINE,AES,XSAVE,AVX,RDTSCP,LONG,LAHF,PERF,ITSC,IBRS,IBPB,STIBP,L1DF,SSBD,SENSOR,ARAT,XSAVEOPT,MELTDOWN
cpu1: 256KB 64b/line 8-way L2 cache
cpu1: smt 1, core 0, package 0
cpu2 at mainbus0: apid 2 (application processor)
cpu2: Intel(R) Core(TM) i5-2520M CPU @ 2.50GHz, 2491.90 MHz, 06-2a-07
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,SMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,POPCNT,DEADLINE,AES,XSAVE,AVX,RDTSCP,LONG,LAHF,PERF,ITSC,IBRS,IBPB,STIBP,L1DF,SSBD,SENSOR,ARAT,XSAVEOPT,MELTDOWN
cpu2: 256KB 64b/line 8-way L2 cache
cpu2: smt 0, core 1, package 0
cpu3 at mainbus0: apid 3 (application processor)
cpu3: Intel(R) Core(TM) i5-2520M CPU @ 2.50GHz, 2491.90 MHz, 06-2a-07
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,SMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,POPCNT,DEADLINE,AES,XSAVE,AVX,RDTSCP,LONG,LAHF,PERF,ITSC,IBRS,IBPB,STIBP,L1DF,SSBD,SENSOR,ARAT,XSAVEOPT,MELTDOWN
cpu3: 256KB 64b/line 8-way L2 cache
cpu3: smt 1, core 1, package 0
ioapic0 at mainbus0: apid 2 pa 0xfec00000, version 20, 24 pins
acpimcfg0 at acpi0
acpimcfg0: addr 0xf8000000, bus 0-63
acpiec0 at acpi0
acpiprt0 at acpi0: bus 0 (PCI0)
acpiprt1 at acpi0: bus -1 (PEG_)
acpiprt2 at acpi0: bus 2 (EXP1)
acpiprt3 at acpi0: bus 3 (EXP2)
acpiprt4 at acpi0: bus 5 (EXP4)
acpiprt5 at acpi0: bus 13 (EXP5)
acpiprt6 at acpi0: bus -1 (EXP7)
acpicpu0 at acpi0: C3(350@104 io@0x415), C1(1000@1 halt), PSS
acpicpu1 at acpi0: C3(350@104 io@0x415), C1(1000@1 halt), PSS
acpicpu2 at acpi0: C3(350@104 io@0x415), C1(1000@1 halt), PSS
acpicpu3 at acpi0: C3(350@104 io@0x415), C1(1000@1 halt), PSS
acpipwrres0 at acpi0: PUBS, resource for EHC1, EHC2
acpitz0 at acpi0: critical temperature is 99 degC
acpibtn0 at acpi0: LID_
acpibtn1 at acpi0: SLPB
acpipci0 at acpi0 PCI0: 0x00000000 0x00000011 0x00000001
acpicmos0 at acpi0
tpm0 at acpi0: TPM_ addr 0xfed40000/0x5000: device 0x0000104a rev 0x4e
acpibat0 at acpi0: BAT0 model "45N1027" serial 15921 type LION oem "SANYO"
acpiac0 at acpi0: AC unit online
acpithinkpad0 at acpi0
"PNP0C14" at acpi0 not configured
"PNP0C14" at acpi0 not configured
acpidock0 at acpi0: GDCK not docked (0)
acpivideo0 at acpi0: VID_
acpivout at acpivideo0 not configured
acpivideo1 at acpi0: VID_
cpu0: Enhanced SpeedStep 2492 MHz: speeds: 2501, 2500, 2200, 2000, 1800, 1600, 1400, 1200, 1000, 800 MHz
pci0 at mainbus0 bus 0
pchb0 at pci0 dev 0 function 0 "Intel Core 2G Host" rev 0x09
inteldrm0 at pci0 dev 2 function 0 "Intel HD Graphics 3000" rev 0x09
drm0 at inteldrm0
inteldrm0: msi
inteldrm0: 1366x768, 32bpp
wsdisplay0 at inteldrm0 mux 1: console (std, vt100 emulation)
wsdisplay0: screen 1-5 added (std, vt100 emulation)
"Intel 6 Series MEI" rev 0x04 at pci0 dev 22 function 0 not configured
puc0 at pci0 dev 22 function 3 "Intel 6 Series KT" rev 0x04: ports: 16 com
com4 at puc0 port 0 apic 2 int 19: ns16550a, 16 byte fifo
com4: probed fifo depth: 0 bytes
em0 at pci0 dev 25 function 0 "Intel 82579LM" rev 0x04: msi, address f0:de:f1:86:e1:04
ehci0 at pci0 dev 26 function 0 "Intel 6 Series USB" rev 0x04: apic 2 int 16
usb0 at ehci0: USB revision 2.0
uhub0 at usb0 configuration 1 interface 0 "Intel EHCI root hub" rev 2.00/1.00 addr 1
azalia0 at pci0 dev 27 function 0 "Intel 6 Series HD Audio" rev 0x04: msi
azalia0: codecs: Conexant CX20590, Intel/0x2805, using Conexant CX20590
audio0 at azalia0
ppb0 at pci0 dev 28 function 0 "Intel 6 Series PCIE" rev 0xb4: msi
pci1 at ppb0 bus 2
ppb1 at pci0 dev 28 function 1 "Intel 6 Series PCIE" rev 0xb4: msi
pci2 at ppb1 bus 3
iwn0 at pci2 dev 0 function 0 "Intel Centrino Advanced-N 6205" rev 0x34: msi, MIMO 2T2R, MoW, address 08:11:96:04:66:b8
ppb2 at pci0 dev 28 function 3 "Intel 6 Series PCIE" rev 0xb4: msi
pci3 at ppb2 bus 5
ppb3 at pci0 dev 28 function 4 "Intel 6 Series PCIE" rev 0xb4: msi
pci4 at ppb3 bus 13
sdhc0 at pci4 dev 0 function 0 "Ricoh 5U823 SD/MMC" rev 0x04: apic 2 int 16
sdhc0: SDHC 3.0, 50 MHz base clock
sdmmc0 at sdhc0: 4-bit, sd high-speed, mmc high-speed, dma
ehci1 at pci0 dev 29 function 0 "Intel 6 Series USB" rev 0x04: apic 2 int 23
usb1 at ehci1: USB revision 2.0
uhub1 at usb1 configuration 1 interface 0 "Intel EHCI root hub" rev 2.00/1.00 addr 1
pcib0 at pci0 dev 31 function 0 "Intel QM67 LPC" rev 0x04
ahci0 at pci0 dev 31 function 2 "Intel 6 Series AHCI" rev 0x04: msi, AHCI 1.3
ahci0: port 0: 3.0Gb/s
scsibus1 at ahci0: 32 targets
sd0 at scsibus1 targ 0 lun 0: <ATA, HITACHI HTS72321, EC1Z> SCSI3 0/direct fixed naa.5000cca6d4c4bf83
sd0: 152627MB, 512 bytes/sector, 312581808 sectors
ichiic0 at pci0 dev 31 function 3 "Intel 6 Series SMBus" rev 0x04: apic 2 int 18
iic0 at ichiic0
spdmem0 at iic0 addr 0x50: 8GB DDR3 SDRAM PC3-12800 SO-DIMM
spdmem1 at iic0 addr 0x51: 8GB DDR3 SDRAM PC3-12800 SO-DIMM
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
wsmouse1 at pms0 mux 0
pms0: Synaptics clickpad, firmware 8.0, 0x1e2b1 0x940300
pcppi0 at isa0 port 0x61
spkr0 at pcppi0
aps0 at isa0 port 0x1600/31
vmm0 at mainbus0: VMX/EPT
efifb at mainbus0 not configured
uhub2 at uhub0 port 1 configuration 1 interface 0 "Intel Rate Matching Hub" rev 2.00/0.00 addr 2
ugen0 at uhub2 port 4 "Broadcom Corp Broadcom Bluetooth Device" rev 2.00/7.48 addr 3
uvideo0 at uhub2 port 6 configuration 1 interface 0 "Chicony Electronics Co., Ltd. Integrated Camera" rev 2.00/8.54 addr 4
video0 at uvideo0
uhub3 at uhub1 port 1 configuration 1 interface 0 "Intel Rate Matching Hub" rev 2.00/0.00 addr 2
umsm0 at uhub3 port 4 configuration 1 interface 0 "Sierra Wireless Inc Sierra Wireless MC8355 - Gobi 3000(TM) Module" rev 2.00/0.02 addr 3
ucom0 at umsm0
umsm1 at uhub3 port 4 configuration 1 interface 1 "Sierra Wireless Inc Sierra Wireless MC8355 - Gobi 3000(TM) Module" rev 2.00/0.02 addr 3
ucom1 at umsm1
umsm2 at uhub3 port 4 configuration 1 interface 2 "Sierra Wireless Inc Sierra Wireless MC8355 - Gobi 3000(TM) Module" rev 2.00/0.02 addr 3
ucom2 at umsm2
umsm3 at uhub3 port 4 configuration 1 interface 3 "Sierra Wireless Inc Sierra Wireless MC8355 - Gobi 3000(TM) Module" rev 2.00/0.02 addr 3
ucom3 at umsm3
vscsi0 at root
scsibus2 at vscsi0: 256 targets
softraid0 at root
scsibus3 at softraid0: 256 targets
root on sd0a (ec7a1673406dd7f9.a) swap on sd0b dump on sd0b
WARNING: / was not properly unmounted
ugen0 detached
video0 detached
uvideo0 detached
uhub2 detached
uhub0 detached
ucom0 detached
umsm0 detached
ucom1 detached
umsm1 detached
ucom2 detached
umsm2 detached
ucom3 detached
umsm3 detached
uhub3 detached
uhub1 detached
uhub0 at usb0 configuration 1 interface 0 "Intel EHCI root hub" rev 2.00/1.00 addr 1
uhub1 at usb1 configuration 1 interface 0 "Intel EHCI root hub" rev 2.00/1.00 addr 1
uhub2 at uhub0 port 1 configuration 1 interface 0 "Intel Rate Matching Hub" rev 2.00/0.00 addr 2
ugen0 at uhub2 port 4 "Broadcom Corp Broadcom Bluetooth Device" rev 2.00/7.48 addr 3
uvideo0 at uhub2 port 6 configuration 1 interface 0 "Chicony Electronics Co., Ltd. Integrated Camera" rev 2.00/8.54 addr 4
video0 at uvideo0
uhub3 at uhub1 port 1 configuration 1 interface 0 "Intel Rate Matching Hub" rev 2.00/0.00 addr 2
umsm0 at uhub3 port 4 configuration 1 interface 0 "Sierra Wireless Inc Sierra Wireless MC8355 - Gobi 3000(TM) Module" rev 2.00/0.02 addr 3
ucom0 at umsm0
umsm1 at uhub3 port 4 configuration 1 interface 1 "Sierra Wireless Inc Sierra Wireless MC8355 - Gobi 3000(TM) Module" rev 2.00/0.02 addr 3
ucom1 at umsm1
umsm2 at uhub3 port 4 configuration 1 interface 2 "Sierra Wireless Inc Sierra Wireless MC8355 - Gobi 3000(TM) Module" rev 2.00/0.02 addr 3
ucom2 at umsm2
umsm3 at uhub3 port 4 configuration 1 interface 3 "Sierra Wireless Inc Sierra Wireless MC8355 - Gobi 3000(TM) Module" rev 2.00/0.02 addr 3
ucom3 at umsm3

--
http://op59.net


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Re: SIGBUS in flightgear / qt / libexpat

Julian Smith
Apologies, it turns out that flightgear is in ports.

I'm afraid i didn't think to check as i'd never seen mention of OpenBSD
in the various flightgear lists.

Thanks to Bodie and Zé for emailing me about this, and apologies again
for the noise.

I'm going to have a look at the ports build, flightgear-2016.3.1p4, and
see whether i can make it build a later flightgear.

Thanks,

- Jules


On Sat, 10 Aug 2019 13:55:54 +0100
Julian Smith <[hidden email]> wrote:

> I've been trying to build and run the open source flight simulator
> flightgear (https://flightgear.org) on OpenBSD.
>
> Slightly to my surprise, getting it to build wasn't too difficult.
>
> But i'm getting a SIGBUS at early on at runtime in code called by Qt.
>
> I'm unsure how to go about investigating this, so i wonder whether
> anyone here might have come across something similar?
>
> Here's some info from gdb:
>
> Backtrace:
>
> Program received signal SIGBUS, Bus error.
> [Switching to thread 412399]
> 0x000007f0523be1a4 in __llvm_retpoline_r11 () from /usr/lib/libexpat.so.12.0
> Current language:  auto; currently minimal
> (gdb) bt
> #0  0x000007f0523be1a4 in __llvm_retpoline_r11 () from /usr/lib/libexpat.so.12.0
> #1  0xfffaf8fe00000000 in ?? ()
> #2  0x000007f0523c1241 in XML_ParseBuffer (parser=Variable "parser" is not available.
> ) at /usr/src/lib/libexpat/lib/xmlparse.c:1740
> #3  0x000007f0ee63c4ba in IA__FcConfigParseAndLoad (config=0x7f073cbbe00, name=0x0, complain=1)
>     at /usr/xenocara/lib/fontconfig/src/../../../dist/fontconfig/src/fcxml.c:3350
> #4  0x000007f0ee641497 in FcInitLoadOwnConfig (config=0x7f073cbbe00) at /usr/xenocara/lib/fontconfig/src/../../../dist/fontconfig/src/fcinit.c:80
> #5  0x000007f0ee641730 in IA__FcInitLoadConfigAndFonts () at /usr/xenocara/lib/fontconfig/src/../../../dist/fontconfig/src/fcinit.c:160
> #6  0x000007f0ee635edc in FcConfigInit () at /usr/xenocara/lib/fontconfig/src/../../../dist/fontconfig/src/fccfg.c:46
> #7  0x000007f0c4c82891 in QFontconfigDatabase::populateFontDatabase () from /usr/local/lib/qt5/libQt5XcbQpa.so.1.2
> #8  0x000007f107348bc5 in _ZL12initializeDbv () from /usr/local/lib/qt5/./libQt5Gui.so.2.2
> #9  0x000007f107349821 in QFontDatabase::findFont () from /usr/local/lib/qt5/./libQt5Gui.so.2.2
> #10 0x000007f10734ae74 in QFontDatabase::load () from /usr/local/lib/qt5/./libQt5Gui.so.2.2
> #11 0x000007f10730ae65 in QFontPrivate::engineForScript () from /usr/local/lib/qt5/./libQt5Gui.so.2.2
> #12 0x000007f10733f75f in QFontMetricsF::leading () from /usr/local/lib/qt5/./libQt5Gui.so.2.2
> #13 0x000007f10752c843 in qt_format_text () from /usr/local/lib/qt5/./libQt5Gui.so.2.2
> #14 0x000007f10752fb3d in qt_format_text () from /usr/local/lib/qt5/./libQt5Gui.so.2.2
> #15 0x000007f10733eab6 in QFontMetrics::boundingRect () from /usr/local/lib/qt5/./libQt5Gui.so.2.2
> #16 0x000007f10733eb83 in QFontMetrics::size () from /usr/local/lib/qt5/./libQt5Gui.so.2.2
> #17 0x000007f056f07b3e in QPushButton::sizeHint () from /usr/local/lib/qt5/./libQt5Widgets.so.2.2
> #18 0x000007f056ca1c4e in QWidgetItemV2::updateCacheIfNecessary () from /usr/local/lib/qt5/./libQt5Widgets.so.2.2
> #19 0x000007f056ca2319 in QWidgetItemV2::maximumSize () from /usr/local/lib/qt5/./libQt5Widgets.so.2.2
> #20 0x000007f056c892df in QBoxLayoutPrivate::setupGeom () from /usr/local/lib/qt5/./libQt5Widgets.so.2.2
> #21 0x000007f056c8a6c7 in QBoxLayout::sizeHint () from /usr/local/lib/qt5/./libQt5Widgets.so.2.2
> #22 0x000007f056c8a726 in non-virtual thunk to QBoxLayout::sizeHint() const () from /usr/local/lib/qt5/./libQt5Widgets.so.2.2
> #23 0x000007f056c9ac2c in QLayout::totalSizeHint () from /usr/local/lib/qt5/./libQt5Widgets.so.2.2
> #24 0x000007f056cc7438 in QWidget::sizeHint () from /usr/local/lib/qt5/./libQt5Widgets.so.2.2
> #25 0x000007f056ca1c4e in QWidgetItemV2::updateCacheIfNecessary () from /usr/local/lib/qt5/./libQt5Widgets.so.2.2
> #26 0x000007f056ca2259 in QWidgetItemV2::minimumSize () from /usr/local/lib/qt5/./libQt5Widgets.so.2.2
> #27 0x000007f056c962ac in QGridBox::minimumSize () from /usr/local/lib/qt5/./libQt5Widgets.so.2.2
> #28 0x000007f056c904cc in QGridLayoutPrivate::setupLayoutData () from /usr/local/lib/qt5/./libQt5Widgets.so.2.2
> #29 0x000007f056c914e0 in QGridLayoutPrivate::findSize () from /usr/local/lib/qt5/./libQt5Widgets.so.2.2
> #30 0x000007f056c91853 in QGridLayoutPrivate::minimumSize () from /usr/local/lib/qt5/./libQt5Widgets.so.2.2
> #31 0x000007f056c93fbe in QGridLayout::minimumSize () from /usr/local/lib/qt5/./libQt5Widgets.so.2.2
> #32 0x000007f056c9aae6 in QLayout::totalMinimumSize () from /usr/local/lib/qt5/./libQt5Widgets.so.2.2
> #33 0x000007f056c9a440 in QLayout::activate () from /usr/local/lib/qt5/./libQt5Widgets.so.2.2
> #34 0x000007f056cc6c90 in QWidget::setVisible () from /usr/local/lib/qt5/./libQt5Widgets.so.2.2
> #35 0x000007f056f99e70 in QDialog::setVisible () from /usr/local/lib/qt5/./libQt5Widgets.so.2.2
> #36 0x000007f056cc5bb4 in QWidget::show () from /usr/local/lib/qt5/./libQt5Widgets.so.2.2
> #37 0x000007f056f9919f in QDialog::exec () from /usr/local/lib/qt5/./libQt5Widgets.so.2.2
> Die: DW_TAG_<unknown> (abbrev = 96, offset = 86893594)
>         has children: FALSE
>         attributes:
>                 DW_AT_type (DW_FORM_ref4) constant ref: 86886052 (adjusted)
> Dwarf Error: Cannot find type of die [in module /home/jules/flightgear/download_and_compile1/install/flightgear/bin/fgfs]
> (gdb)
>
> Threads:
>
> (gdb) info threads
>   7 thread 164008  futex () at -:3
>   6 thread 558994  futex () at -:3
>   5 thread 487113  _thread_sys_poll () at -:3
>   4 thread 315717  futex () at -:3
>   3 process 9250  0x000007f0523be1a4 in __llvm_retpoline_r11 () from /usr/lib/libexpat.so.12.0
>   2 thread 113904  _thread_sys_poll () at -:3
> * 1 thread 412399  0x000007f0523be1a4 in __llvm_retpoline_r11 () from /usr/lib/libexpat.so.12.0
> Current language:  auto; currently asm
> (gdb)
>
> Registers:
>
> (gdb) info reg
> rax            0x400    1024
> rbx            0x400    1024
> rcx            0x7f0538f1c30    8728775433264
> rdx            0x7f0538f0c00    8728775429120
> rsi            0x7f0538f0800    8728775428096
> rdi            0x7f0538f1c00    8728775433216
> rbp            0x7f7ffffdacb0   0x7f7ffffdacb0
> rsp            0x7f7ffffdac70   0x7f7ffffdac70
> r8             0x7f0fba56e38    8731595468344
> r9             0x0      0
> r10            0x7f0fba561d8    8731595465176
> r11            0xfffaf8fe00000000       -1415080054882304
> r12            0x0      0
> r13            0x400    1024
> r14            0x0      0
> r15            0x7f0538f1c00    8728775433216
> rip            0x7f0523be1a4    0x7f0523be1a4 <__llvm_retpoline_r11+20>
> eflags         0x10206  66054
> cs             0x2b     43
> ss             0x23     35
> ds             0x23     35
> es             0x23     35
> fs             0x23     35
> gs             0x23     35
> (gdb)
>
> Current code (we are at the retq instruction):
>
> (gdb) disassemble
> Dump of assembler code for function __llvm_retpoline_r11:
> 0x000007f0523be190 <__llvm_retpoline_r11+0>:    callq  0x7f0523be1a0 <__llvm_retpoline_r11+16>
> 0x000007f0523be195 <__llvm_retpoline_r11+5>:    pause  
> 0x000007f0523be197 <__llvm_retpoline_r11+7>:    lfence
> 0x000007f0523be19a <__llvm_retpoline_r11+10>:   jmp    0x7f0523be195 <__llvm_retpoline_r11+5>
> 0x000007f0523be19c <__llvm_retpoline_r11+12>:   int3  
> 0x000007f0523be19d <__llvm_retpoline_r11+13>:   int3  
> 0x000007f0523be19e <__llvm_retpoline_r11+14>:   int3  
> 0x000007f0523be19f <__llvm_retpoline_r11+15>:   int3  
> 0x000007f0523be1a0 <__llvm_retpoline_r11+16>:   mov    %r11,(%rsp)
> 0x000007f0523be1a4 <__llvm_retpoline_r11+20>:   retq  
> 0x000007f0523be1a5 <__llvm_retpoline_r11+21>:   int3  
> 0x000007f0523be1a6 <__llvm_retpoline_r11+22>:   int3  
> 0x000007f0523be1a7 <__llvm_retpoline_r11+23>:   int3  
> 0x000007f0523be1a8 <__llvm_retpoline_r11+24>:   int3  
> 0x000007f0523be1a9 <__llvm_retpoline_r11+25>:   int3  
> 0x000007f0523be1aa <__llvm_retpoline_r11+26>:   int3  
> 0x000007f0523be1ab <__llvm_retpoline_r11+27>:   int3  
> 0x000007f0523be1ac <__llvm_retpoline_r11+28>:   int3  
> 0x000007f0523be1ad <__llvm_retpoline_r11+29>:   int3  
> 0x000007f0523be1ae <__llvm_retpoline_r11+30>:   int3  
> 0x000007f0523be1af <__llvm_retpoline_r11+31>:   int3  
> End of assembler dump.
>
> The return address for retq is:
>
> (gdb) p *(void**)$sp
> $3 = (void *) 0xfffaf8fe00000000
>
> (I guess this is from r11.)
>
> And there is no memory at this address:
>
> (gdb) p *(void**)0xfffaf8fe00000000
> Cannot access memory at address 0xfffaf8fe00000000
> (gdb)
>
>
>
> Thanks in advance for any help or suggestions.
>
> - Jules
>
>
>
> BTW my dmesg is:
>
> OpenBSD 6.5 (GENERIC.MP) #3: Sat Apr 13 14:48:43 MDT 2019
>     [hidden email]:/usr/src/sys/arch/amd64/compile/GENERIC.MP
> real mem = 17041059840 (16251MB)
> avail mem = 16514973696 (15749MB)
> mpath0 at root
> scsibus0 at mpath0: 256 targets
> mainbus0 at root
> bios0 at mainbus0: SMBIOS rev. 2.6 @ 0xdae9c000 (64 entries)
> bios0: vendor LENOVO version "8DET70WW (1.40 )" date 05/14/2015
> bios0: LENOVO 4290CZ2
> acpi0 at bios0: rev 2
> acpi0: sleep states S0 S3 S4 S5
> acpi0: tables DSDT FACP SLIC SSDT SSDT SSDT HPET APIC MCFG ECDT ASF! TCPA SSDT SSDT DMAR UEFI UEFI UEFI
> acpi0: wakeup devices LID_(S3) SLPB(S3) IGBE(S4) EXP4(S4) EXP7(S4) EHC1(S3) EHC2(S3) HDEF(S4)
> 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) i5-2520M CPU @ 2.50GHz, 2492.29 MHz, 06-2a-07
> 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,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,POPCNT,DEADLINE,AES,XSAVE,AVX,RDTSCP,LONG,LAHF,PERF,ITSC,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=0.2.1.1.2, IBE
> cpu1 at mainbus0: apid 1 (application processor)
> cpu1: Intel(R) Core(TM) i5-2520M CPU @ 2.50GHz, 2491.90 MHz, 06-2a-07
> 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,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,POPCNT,DEADLINE,AES,XSAVE,AVX,RDTSCP,LONG,LAHF,PERF,ITSC,IBRS,IBPB,STIBP,L1DF,SSBD,SENSOR,ARAT,XSAVEOPT,MELTDOWN
> cpu1: 256KB 64b/line 8-way L2 cache
> cpu1: smt 1, core 0, package 0
> cpu2 at mainbus0: apid 2 (application processor)
> cpu2: Intel(R) Core(TM) i5-2520M CPU @ 2.50GHz, 2491.90 MHz, 06-2a-07
> 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,SMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,POPCNT,DEADLINE,AES,XSAVE,AVX,RDTSCP,LONG,LAHF,PERF,ITSC,IBRS,IBPB,STIBP,L1DF,SSBD,SENSOR,ARAT,XSAVEOPT,MELTDOWN
> cpu2: 256KB 64b/line 8-way L2 cache
> cpu2: smt 0, core 1, package 0
> cpu3 at mainbus0: apid 3 (application processor)
> cpu3: Intel(R) Core(TM) i5-2520M CPU @ 2.50GHz, 2491.90 MHz, 06-2a-07
> 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,SMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,POPCNT,DEADLINE,AES,XSAVE,AVX,RDTSCP,LONG,LAHF,PERF,ITSC,IBRS,IBPB,STIBP,L1DF,SSBD,SENSOR,ARAT,XSAVEOPT,MELTDOWN
> cpu3: 256KB 64b/line 8-way L2 cache
> cpu3: smt 1, core 1, package 0
> ioapic0 at mainbus0: apid 2 pa 0xfec00000, version 20, 24 pins
> acpimcfg0 at acpi0
> acpimcfg0: addr 0xf8000000, bus 0-63
> acpiec0 at acpi0
> acpiprt0 at acpi0: bus 0 (PCI0)
> acpiprt1 at acpi0: bus -1 (PEG_)
> acpiprt2 at acpi0: bus 2 (EXP1)
> acpiprt3 at acpi0: bus 3 (EXP2)
> acpiprt4 at acpi0: bus 5 (EXP4)
> acpiprt5 at acpi0: bus 13 (EXP5)
> acpiprt6 at acpi0: bus -1 (EXP7)
> acpicpu0 at acpi0: C3(350@104 io@0x415), C1(1000@1 halt), PSS
> acpicpu1 at acpi0: C3(350@104 io@0x415), C1(1000@1 halt), PSS
> acpicpu2 at acpi0: C3(350@104 io@0x415), C1(1000@1 halt), PSS
> acpicpu3 at acpi0: C3(350@104 io@0x415), C1(1000@1 halt), PSS
> acpipwrres0 at acpi0: PUBS, resource for EHC1, EHC2
> acpitz0 at acpi0: critical temperature is 99 degC
> acpibtn0 at acpi0: LID_
> acpibtn1 at acpi0: SLPB
> acpipci0 at acpi0 PCI0: 0x00000000 0x00000011 0x00000001
> acpicmos0 at acpi0
> tpm0 at acpi0: TPM_ addr 0xfed40000/0x5000: device 0x0000104a rev 0x4e
> acpibat0 at acpi0: BAT0 model "45N1027" serial 15921 type LION oem "SANYO"
> acpiac0 at acpi0: AC unit online
> acpithinkpad0 at acpi0
> "PNP0C14" at acpi0 not configured
> "PNP0C14" at acpi0 not configured
> acpidock0 at acpi0: GDCK not docked (0)
> acpivideo0 at acpi0: VID_
> acpivout at acpivideo0 not configured
> acpivideo1 at acpi0: VID_
> cpu0: Enhanced SpeedStep 2492 MHz: speeds: 2501, 2500, 2200, 2000, 1800, 1600, 1400, 1200, 1000, 800 MHz
> pci0 at mainbus0 bus 0
> pchb0 at pci0 dev 0 function 0 "Intel Core 2G Host" rev 0x09
> inteldrm0 at pci0 dev 2 function 0 "Intel HD Graphics 3000" rev 0x09
> drm0 at inteldrm0
> inteldrm0: msi
> inteldrm0: 1366x768, 32bpp
> wsdisplay0 at inteldrm0 mux 1: console (std, vt100 emulation)
> wsdisplay0: screen 1-5 added (std, vt100 emulation)
> "Intel 6 Series MEI" rev 0x04 at pci0 dev 22 function 0 not configured
> puc0 at pci0 dev 22 function 3 "Intel 6 Series KT" rev 0x04: ports: 16 com
> com4 at puc0 port 0 apic 2 int 19: ns16550a, 16 byte fifo
> com4: probed fifo depth: 0 bytes
> em0 at pci0 dev 25 function 0 "Intel 82579LM" rev 0x04: msi, address f0:de:f1:86:e1:04
> ehci0 at pci0 dev 26 function 0 "Intel 6 Series USB" rev 0x04: apic 2 int 16
> usb0 at ehci0: USB revision 2.0
> uhub0 at usb0 configuration 1 interface 0 "Intel EHCI root hub" rev 2.00/1.00 addr 1
> azalia0 at pci0 dev 27 function 0 "Intel 6 Series HD Audio" rev 0x04: msi
> azalia0: codecs: Conexant CX20590, Intel/0x2805, using Conexant CX20590
> audio0 at azalia0
> ppb0 at pci0 dev 28 function 0 "Intel 6 Series PCIE" rev 0xb4: msi
> pci1 at ppb0 bus 2
> ppb1 at pci0 dev 28 function 1 "Intel 6 Series PCIE" rev 0xb4: msi
> pci2 at ppb1 bus 3
> iwn0 at pci2 dev 0 function 0 "Intel Centrino Advanced-N 6205" rev 0x34: msi, MIMO 2T2R, MoW, address 08:11:96:04:66:b8
> ppb2 at pci0 dev 28 function 3 "Intel 6 Series PCIE" rev 0xb4: msi
> pci3 at ppb2 bus 5
> ppb3 at pci0 dev 28 function 4 "Intel 6 Series PCIE" rev 0xb4: msi
> pci4 at ppb3 bus 13
> sdhc0 at pci4 dev 0 function 0 "Ricoh 5U823 SD/MMC" rev 0x04: apic 2 int 16
> sdhc0: SDHC 3.0, 50 MHz base clock
> sdmmc0 at sdhc0: 4-bit, sd high-speed, mmc high-speed, dma
> ehci1 at pci0 dev 29 function 0 "Intel 6 Series USB" rev 0x04: apic 2 int 23
> usb1 at ehci1: USB revision 2.0
> uhub1 at usb1 configuration 1 interface 0 "Intel EHCI root hub" rev 2.00/1.00 addr 1
> pcib0 at pci0 dev 31 function 0 "Intel QM67 LPC" rev 0x04
> ahci0 at pci0 dev 31 function 2 "Intel 6 Series AHCI" rev 0x04: msi, AHCI 1.3
> ahci0: port 0: 3.0Gb/s
> scsibus1 at ahci0: 32 targets
> sd0 at scsibus1 targ 0 lun 0: <ATA, HITACHI HTS72321, EC1Z> SCSI3 0/direct fixed naa.5000cca6d4c4bf83
> sd0: 152627MB, 512 bytes/sector, 312581808 sectors
> ichiic0 at pci0 dev 31 function 3 "Intel 6 Series SMBus" rev 0x04: apic 2 int 18
> iic0 at ichiic0
> spdmem0 at iic0 addr 0x50: 8GB DDR3 SDRAM PC3-12800 SO-DIMM
> spdmem1 at iic0 addr 0x51: 8GB DDR3 SDRAM PC3-12800 SO-DIMM
> 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
> wsmouse1 at pms0 mux 0
> pms0: Synaptics clickpad, firmware 8.0, 0x1e2b1 0x940300
> pcppi0 at isa0 port 0x61
> spkr0 at pcppi0
> aps0 at isa0 port 0x1600/31
> vmm0 at mainbus0: VMX/EPT
> efifb at mainbus0 not configured
> uhub2 at uhub0 port 1 configuration 1 interface 0 "Intel Rate Matching Hub" rev 2.00/0.00 addr 2
> ugen0 at uhub2 port 4 "Broadcom Corp Broadcom Bluetooth Device" rev 2.00/7.48 addr 3
> uvideo0 at uhub2 port 6 configuration 1 interface 0 "Chicony Electronics Co., Ltd. Integrated Camera" rev 2.00/8.54 addr 4
> video0 at uvideo0
> uhub3 at uhub1 port 1 configuration 1 interface 0 "Intel Rate Matching Hub" rev 2.00/0.00 addr 2
> umsm0 at uhub3 port 4 configuration 1 interface 0 "Sierra Wireless Inc Sierra Wireless MC8355 - Gobi 3000(TM) Module" rev 2.00/0.02 addr 3
> ucom0 at umsm0
> umsm1 at uhub3 port 4 configuration 1 interface 1 "Sierra Wireless Inc Sierra Wireless MC8355 - Gobi 3000(TM) Module" rev 2.00/0.02 addr 3
> ucom1 at umsm1
> umsm2 at uhub3 port 4 configuration 1 interface 2 "Sierra Wireless Inc Sierra Wireless MC8355 - Gobi 3000(TM) Module" rev 2.00/0.02 addr 3
> ucom2 at umsm2
> umsm3 at uhub3 port 4 configuration 1 interface 3 "Sierra Wireless Inc Sierra Wireless MC8355 - Gobi 3000(TM) Module" rev 2.00/0.02 addr 3
> ucom3 at umsm3
> vscsi0 at root
> scsibus2 at vscsi0: 256 targets
> softraid0 at root
> scsibus3 at softraid0: 256 targets
> root on sd0a (ec7a1673406dd7f9.a) swap on sd0b dump on sd0b
> WARNING: / was not properly unmounted
> ugen0 detached
> video0 detached
> uvideo0 detached
> uhub2 detached
> uhub0 detached
> ucom0 detached
> umsm0 detached
> ucom1 detached
> umsm1 detached
> ucom2 detached
> umsm2 detached
> ucom3 detached
> umsm3 detached
> uhub3 detached
> uhub1 detached
> uhub0 at usb0 configuration 1 interface 0 "Intel EHCI root hub" rev 2.00/1.00 addr 1
> uhub1 at usb1 configuration 1 interface 0 "Intel EHCI root hub" rev 2.00/1.00 addr 1
> uhub2 at uhub0 port 1 configuration 1 interface 0 "Intel Rate Matching Hub" rev 2.00/0.00 addr 2
> ugen0 at uhub2 port 4 "Broadcom Corp Broadcom Bluetooth Device" rev 2.00/7.48 addr 3
> uvideo0 at uhub2 port 6 configuration 1 interface 0 "Chicony Electronics Co., Ltd. Integrated Camera" rev 2.00/8.54 addr 4
> video0 at uvideo0
> uhub3 at uhub1 port 1 configuration 1 interface 0 "Intel Rate Matching Hub" rev 2.00/0.00 addr 2
> umsm0 at uhub3 port 4 configuration 1 interface 0 "Sierra Wireless Inc Sierra Wireless MC8355 - Gobi 3000(TM) Module" rev 2.00/0.02 addr 3
> ucom0 at umsm0
> umsm1 at uhub3 port 4 configuration 1 interface 1 "Sierra Wireless Inc Sierra Wireless MC8355 - Gobi 3000(TM) Module" rev 2.00/0.02 addr 3
> ucom1 at umsm1
> umsm2 at uhub3 port 4 configuration 1 interface 2 "Sierra Wireless Inc Sierra Wireless MC8355 - Gobi 3000(TM) Module" rev 2.00/0.02 addr 3
> ucom2 at umsm2
> umsm3 at uhub3 port 4 configuration 1 interface 3 "Sierra Wireless Inc Sierra Wireless MC8355 - Gobi 3000(TM) Module" rev 2.00/0.02 addr 3
> ucom3 at umsm3
>



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