DF-2343 / panic_console_o0_serial.log
XMMNNOO-\|/-\|/-\|/-\|/
1. Boot DragonFly [kernel] ,--, ,--,
2. Boot DragonFly in Safe Mode | `-, _:_ ,-' |
3. Boot DragonFly without AHCI driver `, `-, (/ \) ,-' ,'
4. Boot DragonFly without ACPI driver `-, `-,/ \,-' ,-'
9. Escape to loader prompt (also ESC) `------{ }------'
o. Boot DragonFly using kernel.old ,----------{ }----------,
r. Boot DragonFly to a rescue ramdisk | _,-{ }-,_ |
s. Boot DragonFly in single user mode `-,__,-' \ / `-,__,-'
v. Boot DragonFly with verbose logging | |
R. Reboot | |
| |
| |
| |
| |
`,'
Booting in 10 seconds...
Booting in 9 seconds...
Booting in 8 seconds...
Booting in 7 seconds...
Booting in 6 seconds...
Booting in 5 seconds...
Booting in 4 seconds...
Booting in 3 seconds...
Booting in 2 seconds...
Booting in 1 second...
Booting in 0 seconds...
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\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|ehci.ko /-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|size 0x75fd0 at 0x1d0c000
/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-xhci.ko \|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-size 0x85fa0 at 0x1d82000
\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-Copyright (c) 2003-2026 The DragonFly Project.
Copyright (c) 1992-2003 The FreeBSD Project.
Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
The Regents of the University of California. All rights reserved.
DragonFly 6.5-DEVELOPMENT #2: Sun Oct 18 21:32:32 UTC 2026
root@dfbsd:/usr/obj/usr/src/sys/UMCSH
acpi_hpet: frequency 100000000
Using cputimer HPET for TSC calibration
Timer latency (in TSC ticks): 40503 min=33696 max=48450
TSC clock: 3600008815 Hz, NOT invariant
CPU: QEMU Virtual CPU version 2.5+ (3600.01-MHz K8-class CPU)
Origin="GenuineIntel" Id=0x60fb1 Family=0xf Model=0x6b Stepping=1
Features=0x1783fbfd<FPU,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR,SSE,SSE2,HTT>
Features2=0x80202001<SSE3,CX16,x2APIC,VMM>
AMD Features=0x20100800<SYSCALL,NX,LM>
AMD Features2=0x1<LAHF>
MONITOR/MWAIT Features=0x2<INTBRK>
VMM/Hypervisor: Origin="KVMKVMKVM"
real memory = 4293381120 (4094 MB)
avail memory = 4088795136 (3899 MB)
LAPIC: enter X2APIC mode
madt_lapic_probe: lapic_count=6 x2apic_count=0
ACPI CPUS = 6
lapic: divisor index 0, frequency 500002850 Hz
CPU Topology: cores_per_chip: 6; threads_per_core: 1; chips_per_package: 1;
srat_probe: can't locate SRAT
SMI Frequency (worst case): 43478 Hz (23 us)
Initialize MI interrupts for 6 cpus
TSC is not invariant, no further tests will be performed
Spectre: support=( none ) req=ffff operating=( none )
MDS: support=( none ) req=ffff operating=( none )
machdep.meltdown_mitigation enabled to protect against (mostly Intel) meltdown bug
system call performance will be impacted
interrupt uses mplock: swi_taskq
wdog: In-kernel automatic watchdog reset enabled
md0: Malloc disk
evdev device loaded.
kbd1 at kbdmux0
ACPI: RSDP 0x00000000000F59A0 000014 (v00 BOCHS )
ACPI: RSDT 0x00000000BFFE1CAC 000034 (v01 BOCHS BXPC 00000001 BXPC 00000001)
ACPI: FACP 0x00000000BFFE1B38 000074 (v01 BOCHS BXPC 00000001 BXPC 00000001)
ACPI: DSDT 0x00000000BFFE0040 001AF8 (v01 BOCHS BXPC 00000001 BXPC 00000001)
ACPI: FACS 0x00000000BFFE0000 000040
ACPI: APIC 0x00000000BFFE1BAC 0000A0 (v01 BOCHS BXPC 00000001 BXPC 00000001)
ACPI: HPET 0x00000000BFFE1C4C 000038 (v01 BOCHS BXPC 00000001 BXPC 00000001)
ACPI: WAET 0x00000000BFFE1C84 000028 (v01 BOCHS BXPC 00000001 BXPC 00000001)
sc0: <System console> on motherboard
sc0: VGA <16 virtual consoles, flags=0x100>
acpi0: <BOCHS BXPC> on motherboard
ACPI: 1 ACPI AML tables successfully acquired and loaded
ACPI FADT: SCI testing interrupt mode ...
ACPI FADT: SCI select level/high
acpi0: Power Button (fixed)
acpi_hpet0: <High Precision Event Timer> iomem 0xfed00000-0xfed003ff on acpi0
acpi_timer0 on acpi0
isab0: <ACPI Generic ISA bridge> on acpi0
isa0: <ISA bus> on isab0
cpu0: <ACPI CPU> on acpi0
cpu_cst0: <ACPI CPU C-State> on cpu0
cpu1: <ACPI CPU> on acpi0
cpu_cst1: <ACPI CPU C-State> on cpu1
cpu2: <ACPI CPU> on acpi0
cpu_cst2: <ACPI CPU C-State> on cpu2
cpu3: <ACPI CPU> on acpi0
cpu_cst3: <ACPI CPU C-State> on cpu3
cpu4: <ACPI CPU> on acpi0
cpu_cst4: <ACPI CPU C-State> on cpu4
cpu5: <ACPI CPU> on acpi0
cpu_cst5: <ACPI CPU C-State> on cpu5
pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
pci0: <ACPI PCI bus> on pcib0
isab1: <PCI-ISA bridge> at device 1.0 on pci0
isa1: <ISA bus> on isab1
atapci0: <Intel PIIX3 WDMA2 controller> port 0xc0a0-0xc0af,0x376,0x170-0x177,0x3f6,0x1f0-0x1f7 at device 1.1 on pci0
ata0: <ATA channel 0> on atapci0
interrupt uses mplock: ata0
ata1: <ATA channel 1> on atapci0
interrupt uses mplock: ata1
acd0: DVDROM <QEMU DVD-ROM/2.5+> at ata1-master WDMA2
pci0: <bridge> (vendor 0x8086, dev 0x7113) at device 1.3 irq 9
vgapci0: <VGA-compatible display> mem 0xfebd0000-0xfebd0fff,0xfd000000-0xfdffffff at device 2.0 on pci0
vgapci0: Boot video device
virtio_pci0: <VirtIO PCI Network adapter> port 0xc080-0xc09f mem 0xfe000000-0xfe003fff,0xfebd1000-0xfebd1fff irq 11 at device 3.0 on pci0
vtnet0: <VirtIO Networking Adapter> on virtio_pci0
virtio_pci0: host features: 0x79bf8064 <EventIdx,RingIndirect,AnyLayout,NotifyOnEmpty,SetMacAddress,GuestAnnounce,RxModeExtra,VLanFilter,RxMode,ControlVq,Status,MrgRxBuf,TxAllGSO,MacAddress,DynOffload>
virtio_pci0: negotiated features: 0x198f8020 <RingIndirect,AnyLayout,NotifyOnEmpty,SetMacAddress,VLanFilter,RxMode,ControlVq,Status,MrgRxBuf,MacAddress>
virtio_pci0: using 3 MSI-X vectors
vtnet0: MAC address: 52:54:00:12:34:56
virtio_pci1: <VirtIO PCI Block adapter> port 0xc000-0xc07f mem 0xfe004000-0xfe007fff,0xfebd2000-0xfebd2fff irq 11 at device 4.0 on pci0
vtblk0: <VirtIO Block Adapter> on virtio_pci1
virtio_pci1: host features: 0x79007e54 <EventIdx,RingIndirect,AnyLayout,NotifyOnEmpty,WriteZeroes,Discard,MultiQueue,ConfigWCE,Topology,FlushCommand,BlockSize,DiskGeometry,MaxNumSegs>
virtio_pci1: negotiated features: 0x10001a54 <RingIndirect,MultiQueue,ConfigWCE,FlushCommand,BlockSize,DiskGeometry,MaxNumSegs>
virtio_pci1: using 6 MSI-X vectors
vtblk0: Virtio: ncylinders at legacy maximum (16383), recalculating to 62415
vtblk0: Block size: 512
vtblk0: 30720MB (62914560 512 byte sectors: 16H 63S/T 16383C)
atkbdc0: <Keyboard controller (i8042)> port 0x64,0x60 irq 1 on acpi0
atkbd0: <AT Keyboard> irq 1 on atkbdc0
kbd0 at atkbd0
psm0: <PS/2 Mouse> irq 12 on atkbdc0
interrupt uses mplock: psm0
psm0: model IntelliMouse Explorer, device ID 4
sio0: <16550A-compatible COM port> port 0x3f8-0x3ff irq 4 on acpi0
sio0: type 16550A, console
ACPI: Enabled 2 GPEs in block 00 to 0F
rdrand0: No RdRand support.
orm0: <ISA Option ROM> at iomem 0xe8000-0xeffff on isa1
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa1
sio2: can't drain, serial port might not exist, disabling
UMCSHARNESS-READY: umcs.c verbatim (TU-compiled) /dev/umcsh0 ready
hpt27xx: no controller detected.
CAM: Configuring 2 busses
CAM: finished configuring all busses
cd0 at ata1 bus 0 target 0 lun 0
cd0: <QEMU QEMU DVD-ROM 2.5+> Removable CD-ROM SCSI-0 device
cd0: 16.000MB/s transfers
cd0: Attempt to query device size failed: NOT READY, Medium not present
Mounting root from hammer2:vbd0s1d
hammer2_mount: root devstr="vbd0s1d"
hammer2_mount: device="vbd0s1d" label="ROOT" rdonly=1
hammer2_ondisk: "/dev/vbd0s1d" zone=1 id=0 offset=0x0000000000000000 size=0x000000063f000000
hammer2_mount: hmp=0xfffff8008fae0000 pmp=0xfffff80090280000
DMA space used: 13580k, remaining available: 131072k
Mounting devfs
Loading configuration files.
Loading devfs rules: /etc/defaults/devfs.conf.
Initializing random seed: done.
dumpon: crash dumps to /dev/vbd0s1b (25, 0x20001)
Starting file system checks:
/dev/vbd0s1a: 1397 files, 469837 used, 53322 free (1906 frags, 6427 blocks, 0.4% fragmentation)
mount_hammer2: unable to connect to cluster controller
mount_hammer2: cluster_connect(/dev/vbd0s1d@ROOT) failed
hammer2_mount: "vbd0s1d": no recovery needed
hammer2: enable read/write
HAMMER2: VOLDATA DUMP
HAMMER2: INITIATE SPANs
mount_hammer2: unable to connect to cluster controller
mount_hammer2: cluster_connect(/dev/vbd0s1d@ROOT) failed
Mounting tmpfs at /var/run/shm.
debug.debugger_on_panic: 1 -> 0
Setting hostname: dfbsd.
Starting dhclient.
starting dhclient on vtnet0
lo0: flags=808049<UP,LOOPBACK,RUNNING,MULTICAST,PROXY> metric 0 mtu 16384
options=43<RXCSUM,TXCSUM,RSS>
inet 127.0.0.1 netmask 0xff000000
inet6 ::1 prefixlen 128
inet6 fe80::1%lo0 prefixlen 64 scopeid 0x2
groups: lo
vtnet0: flags=808843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST,PROXY> metric 0 mtu 1500
options=28<VLAN_MTU,JUMBO_MTU>
ether 52:54:00:12:34:56
inet6 fe80::5054:ff:fe12:3456%vtnet0 prefixlen 64 tentative scopeid 0x1
inet 10.0.2.15 netmask 0xffffff00 broadcast 10.0.2.255
media: Ethernet 1000baseT <full-duplex>
status: active
route: writing to routing socket: File exists
add net default: gateway 10.0.2.2: File exists
Additional routing options:.
Starting devd.
Additional TCP options:.
Mounting NFS file systems:.
ELF ldconfig path: /lib /usr/lib /usr/local/lib /usr/local/libdata/ldconfig/pkg
Building databases...
Starting syslogd.
Oct 18 21:49:35 dfbsd syslogd: kernel boot file is /boot/kernel/kernel
savecore: reboot after panic: integer divide fault
Oct 18 21:49:35 dfbsd savecore: reboot after panic: integer divide fault
savecore: writing kernel to kern.1
savecore: writing core to vmcore.1
Writing crash summary to /var/crash/core.txt.1.
swap low/high-water marks set to 41940/62910
swapon: adding /dev/vbd0s1b as swap device
NFS CLIENT: access_cache_timeout=5 neg_cache_timeout=3.
Starting local daemons:.
Updating motd.
Configuring syscons: blanktime.
Starting sshd.
sendmail_submit: /etc/mail/aliases.db not present, generating
sendmail_clientmqueue: /etc/mail/aliases.db not present, generating
Starting cron.
Local package initialization:.
Sun Oct 18 21:49:46 UTC 2026
DragonFly/x86_64 (dfbsd) (ttyd0)
login:
DragonFly/x86_64 (dfbsd) (ttyd0)
login:
DragonFly/x86_64 (dfbsd) (ttyd0)
login:
DragonFly/x86_64 (dfbsd) (ttyd0)
login:
DragonFly/x86_64 (dfbsd) (ttyd0)
login: boot() called on cpu#5
Switching to cpu #0 for shutdown
Waiting (max 60 seconds) for system thread swapcached to stop...
DragonFly/x86_64 (dfbsd) (ttyd0)
login: stopped
Waiting (max 60 seconds) for system thread vnlru to stop...stopped
Waiting (max 60 seconds) for system thread consttyd to stop...stopped
Waiting (max 60 seconds) for system thread bufdaemon_hw to stop...stopped
Waiting (max 60 seconds) for system thread bufdaemon to stop...stopped
syncing disks... 0 0 0
done
DragonFly/x86_64 (dfbsd) (ttyd0)
login: v-chain 0xfffff8008fb604c0 volume.0 0000000000000010 0000000000000000/0 mir=0000000000000149
[00002000] (?) refs=1
f-chain 0xfffff8008fb60640 freemap.0 0000000000000010 0000000000000000/0 mir=0000000000000149
[00002000] (?) refs=1
Uptime: 1m10s
Rebooting...
XMMNNOO-\|/-\|/-\|/-\|/
1. Boot DragonFly [kernel] ,--, ,--,
2. Boot DragonFly in Safe Mode | `-, _:_ ,-' |
3. Boot DragonFly without AHCI driver `, `-, (/ \) ,-' ,'
4. Boot DragonFly without ACPI driver `-, `-,/ \,-' ,-'
9. Escape to loader prompt (also ESC) `------{ }------'
o. Boot DragonFly using kernel.old ,----------{ }----------,
r. Boot DragonFly to a rescue ramdisk | _,-{ }-,_ |
s. Boot DragonFly in single user mode `-,__,-' \ / `-,__,-'
v. Boot DragonFly with verbose logging | |
R. Reboot | |
| |
| |
| |
| |
`,'
Booting in 10 seconds...
Booting in 9 seconds...
Booting in 8 seconds...
Booting in 7 seconds...
Booting in 6 seconds...
Booting in 5 seconds...
Booting in 4 seconds...
Booting in 3 seconds...
Booting in 2 seconds...
Booting in 1 second...
Booting in 0 seconds...
-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-kernel (from /boot/kernel/kernel) text=0xbd59a0 \|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|data=0x17856e+0x9e0f32 /-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-syms=[0x8+0x100e00\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\+0x8+0xdc183|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-]
\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|ehci.ko /-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|size 0x75fd0 at 0x1d0c000
/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-xhci.ko \|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-size 0x85fa0 at 0x1d82000
\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-Copyright (c) 2003-2026 The DragonFly Project.
Copyright (c) 1992-2003 The FreeBSD Project.
Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
The Regents of the University of California. All rights reserved.
DragonFly 6.5-DEVELOPMENT #2: Sun Oct 18 21:32:32 UTC 2026
root@dfbsd:/usr/obj/usr/src/sys/UMCSH
acpi_hpet: frequency 100000000
Using cputimer HPET for TSC calibration
Timer latency (in TSC ticks): 32637 min=31846 max=85604
TSC clock: 3600006557 Hz, NOT invariant
CPU: QEMU Virtual CPU version 2.5+ (3600.01-MHz K8-class CPU)
Origin="GenuineIntel" Id=0x60fb1 Family=0xf Model=0x6b Stepping=1
Features=0x1783fbfd<FPU,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR,SSE,SSE2,HTT>
Features2=0x80202001<SSE3,CX16,x2APIC,VMM>
AMD Features=0x20100800<SYSCALL,NX,LM>
AMD Features2=0x1<LAHF>
MONITOR/MWAIT Features=0x2<INTBRK>
VMM/Hypervisor: Origin="KVMKVMKVM"
real memory = 4293381120 (4094 MB)
avail memory = 4088795136 (3899 MB)
LAPIC: enter X2APIC mode
madt_lapic_probe: lapic_count=6 x2apic_count=0
ACPI CPUS = 6
lapic: divisor index 0, frequency 500003043 Hz
CPU Topology: cores_per_chip: 6; threads_per_core: 1; chips_per_package: 1;
srat_probe: can't locate SRAT
SMI Frequency (worst case): 37037 Hz (27 us)
Initialize MI interrupts for 6 cpus
TSC is not invariant, no further tests will be performed
Spectre: support=( none ) req=ffff operating=( none )
MDS: support=( none ) req=ffff operating=( none )
machdep.meltdown_mitigation enabled to protect against (mostly Intel) meltdown bug
system call performance will be impacted
interrupt uses mplock: swi_taskq
wdog: In-kernel automatic watchdog reset enabled
md0: Malloc disk
evdev device loaded.
kbd1 at kbdmux0
ACPI: RSDP 0x00000000000F59A0 000014 (v00 BOCHS )
ACPI: RSDT 0x00000000BFFE1CAC 000034 (v01 BOCHS BXPC 00000001 BXPC 00000001)
ACPI: FACP 0x00000000BFFE1B38 000074 (v01 BOCHS BXPC 00000001 BXPC 00000001)
ACPI: DSDT 0x00000000BFFE0040 001AF8 (v01 BOCHS BXPC 00000001 BXPC 00000001)
ACPI: FACS 0x00000000BFFE0000 000040
ACPI: APIC 0x00000000BFFE1BAC 0000A0 (v01 BOCHS BXPC 00000001 BXPC 00000001)
ACPI: HPET 0x00000000BFFE1C4C 000038 (v01 BOCHS BXPC 00000001 BXPC 00000001)
ACPI: WAET 0x00000000BFFE1C84 000028 (v01 BOCHS BXPC 00000001 BXPC 00000001)
sc0: <System console> on motherboard
sc0: VGA <16 virtual consoles, flags=0x100>
acpi0: <BOCHS BXPC> on motherboard
ACPI: 1 ACPI AML tables successfully acquired and loaded
ACPI FADT: SCI testing interrupt mode ...
ACPI FADT: SCI select level/high
acpi0: Power Button (fixed)
acpi_hpet0: <High Precision Event Timer> iomem 0xfed00000-0xfed003ff on acpi0
acpi_timer0 on acpi0
isab0: <ACPI Generic ISA bridge> on acpi0
isa0: <ISA bus> on isab0
cpu0: <ACPI CPU> on acpi0
cpu_cst0: <ACPI CPU C-State> on cpu0
cpu1: <ACPI CPU> on acpi0
cpu_cst1: <ACPI CPU C-State> on cpu1
cpu2: <ACPI CPU> on acpi0
cpu_cst2: <ACPI CPU C-State> on cpu2
cpu3: <ACPI CPU> on acpi0
cpu_cst3: <ACPI CPU C-State> on cpu3
cpu4: <ACPI CPU> on acpi0
cpu_cst4: <ACPI CPU C-State> on cpu4
cpu5: <ACPI CPU> on acpi0
cpu_cst5: <ACPI CPU C-State> on cpu5
pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
pci0: <ACPI PCI bus> on pcib0
isab1: <PCI-ISA bridge> at device 1.0 on pci0
isa1: <ISA bus> on isab1
atapci0: <Intel PIIX3 WDMA2 controller> port 0xc0a0-0xc0af,0x376,0x170-0x177,0x3f6,0x1f0-0x1f7 at device 1.1 on pci0
ata0: <ATA channel 0> on atapci0
interrupt uses mplock: ata0
ata1: <ATA channel 1> on atapci0
interrupt uses mplock: ata1
acd0: DVDROM <QEMU DVD-ROM/2.5+> at ata1-master WDMA2
pci0: <bridge> (vendor 0x8086, dev 0x7113) at device 1.3 irq 9
vgapci0: <VGA-compatible display> mem 0xfebd0000-0xfebd0fff,0xfd000000-0xfdffffff at device 2.0 on pci0
vgapci0: Boot video device
virtio_pci0: <VirtIO PCI Network adapter> port 0xc080-0xc09f mem 0xfe000000-0xfe003fff,0xfebd1000-0xfebd1fff irq 11 at device 3.0 on pci0
vtnet0: <VirtIO Networking Adapter> on virtio_pci0
virtio_pci0: host features: 0x79bf8064 <EventIdx,RingIndirect,AnyLayout,NotifyOnEmpty,SetMacAddress,GuestAnnounce,RxModeExtra,VLanFilter,RxMode,ControlVq,Status,MrgRxBuf,TxAllGSO,MacAddress,DynOffload>
virtio_pci0: negotiated features: 0x198f8020 <RingIndirect,AnyLayout,NotifyOnEmpty,SetMacAddress,VLanFilter,RxMode,ControlVq,Status,MrgRxBuf,MacAddress>
virtio_pci0: using 3 MSI-X vectors
vtnet0: MAC address: 52:54:00:12:34:56
virtio_pci1: <VirtIO PCI Block adapter> port 0xc000-0xc07f mem 0xfe004000-0xfe007fff,0xfebd2000-0xfebd2fff irq 11 at device 4.0 on pci0
vtblk0: <VirtIO Block Adapter> on virtio_pci1
virtio_pci1: host features: 0x79007e54 <EventIdx,RingIndirect,AnyLayout,NotifyOnEmpty,WriteZeroes,Discard,MultiQueue,ConfigWCE,Topology,FlushCommand,BlockSize,DiskGeometry,MaxNumSegs>
virtio_pci1: negotiated features: 0x10001a54 <RingIndirect,MultiQueue,ConfigWCE,FlushCommand,BlockSize,DiskGeometry,MaxNumSegs>
virtio_pci1: using 6 MSI-X vectors
vtblk0: Virtio: ncylinders at legacy maximum (16383), recalculating to 62415
vtblk0: Block size: 512
vtblk0: 30720MB (62914560 512 byte sectors: 16H 63S/T 16383C)
atkbdc0: <Keyboard controller (i8042)> port 0x64,0x60 irq 1 on acpi0
atkbd0: <AT Keyboard> irq 1 on atkbdc0
kbd0 at atkbd0
psm0: <PS/2 Mouse> irq 12 on atkbdc0
interrupt uses mplock: psm0
psm0: model IntelliMouse Explorer, device ID 4
sio0: <16550A-compatible COM port> port 0x3f8-0x3ff irq 4 on acpi0
sio0: type 16550A, console
ACPI: Enabled 2 GPEs in block 00 to 0F
rdrand0: No RdRand support.
orm0: <ISA Option ROM> at iomem 0xe8000-0xeffff on isa1
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa1
sio2: can't drain, serial port might not exist, disabling
UMCSHARNESS-READY: umcs.c verbatim (TU-compiled) /dev/umcsh0 ready
hpt27xx: no controller detected.
CAM: Configuring 2 busses
CAM: finished configuring all busses
cd0 at ata1 bus 0 target 0 lun 0
cd0: <QEMU QEMU DVD-ROM 2.5+> Removable CD-ROM SCSI-0 device
cd0: 16.000MB/s transfers
cd0: Attempt to query device size failed: NOT READY, Medium not present
Mounting root from hammer2:vbd0s1d
hammer2_mount: root devstr="vbd0s1d"
hammer2_mount: device="vbd0s1d" label="ROOT" rdonly=1
hammer2_ondisk: "/dev/vbd0s1d" zone=2 id=0 offset=0x0000000000000000 size=0x000000063f000000
hammer2_mount: hmp=0xfffff8008fae0000 pmp=0xfffff80090280000
DMA space used: 13580k, remaining available: 131072k
Mounting devfs
Loading configuration files.
Loading devfs rules: /etc/defaults/devfs.conf.
Initializing random seed: done.
dumpon: crash dumps to /dev/vbd0s1b (25, 0x20001)
Starting file system checks:
/dev/vbd0s1a: FILESYSTEM CLEAN; SKIPPING CHECKS
/dev/vbd0s1a: clean, 53322 free (1906 frags, 6427 blocks, 0.4% fragmentation)
mount_hammer2: unable to connect to cluster controller
mount_hammer2: cluster_connect(/dev/vbd0s1d@ROOT) failed
hammer2_mount: "vbd0s1d": no recovery needed
hammer2: enable read/write
HAMMER2: VOLDATA DUMP
HAMMER2: INITIATE SPANs
mount_hammer2: unable to connect to cluster controller
mount_hammer2: cluster_connect(/dev/vbd0s1d@ROOT) failed
Mounting tmpfs at /var/run/shm.
debug.debugger_on_panic: 1 -> 0
Setting hostname: dfbsd.
Starting dhclient.
starting dhclient on vtnet0
lo0: flags=808049<UP,LOOPBACK,RUNNING,MULTICAST,PROXY> metric 0 mtu 16384
options=43<RXCSUM,TXCSUM,RSS>
inet 127.0.0.1 netmask 0xff000000
inet6 ::1 prefixlen 128
inet6 fe80::1%lo0 prefixlen 64 scopeid 0x2
groups: lo
vtnet0: flags=808843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST,PROXY> metric 0 mtu 1500
options=28<VLAN_MTU,JUMBO_MTU>
ether 52:54:00:12:34:56
inet6 fe80::5054:ff:fe12:3456%vtnet0 prefixlen 64 tentative scopeid 0x1
inet 10.0.2.15 netmask 0xffffff00 broadcast 10.0.2.255
media: Ethernet 1000baseT <full-duplex>
status: active
route: writing to routing socket: File exists
add net default: gateway 10.0.2.2: File exists
Additional routing options:.
Starting devd.
Additional TCP options:.
Mounting NFS file systems:.
ELF ldconfig path: /lib /usr/lib /usr/local/lib /usr/local/libdata/ldconfig/pkg
Building databases...
Starting syslogd.
Oct 18 21:51:12 dfbsd syslogd: kernel boot file is /boot/kernel/kernel
No core dumps found.
swap low/high-water marks set to 41940/62910
swapon: adding /dev/vbd0s1b as swap device
NFS CLIENT: access_cache_timeout=5 neg_cache_timeout=3.
Starting local daemons:.
Updating motd.
Configuring syscons: blanktime.
Starting sshd.
sendmail_submit: /etc/mail/aliases.db not present, generating
sendmail_clientmqueue: /etc/mail/aliases.db not present, generating
Starting cron.
Local package initialization:.
Sun Oct 18 21:51:12 UTC 2026
UMCSH attach: gpio_fail=0 mode_fail=0 groom=0 poison=0x01 gpio_ok_value=0x01
UMCSH attach: ABOUT TO enter real umcs7840_attach()
UMCSH SIM: RD reg 0x07 port 0 -> 0x01
umcs7840: Chip mcs7840, found 4 active ports
UMCSH SIM: RD reg 0x2b port 0 -> 0x40
umcs7840: On-die confguration: RST: active high, HRD: no, PLL: avail, POR: avail, Ports: 4, EEPROM write enabled, IrDA is not available
UMCSH SIM: transfer_setup ep 0x01 n=2 -> OK (NULL)
UMCSH SIM: transfer_setup ep 0x03 n=2 -> OK (NULL)
UMCSH SIM: transfer_setup ep 0x05 n=2 -> OK (NULL)
UMCSH SIM: transfer_setup ep 0x07 n=2 -> OK (NULL)
UMCSH SIM: transfer_setup ep 0x09 n=1 -> OK (NULL)
Fatal trap 18: integer divide fault while in kernel mode
cpuid = 1; lapic id = 1
instruction pointer = 0x8:0xffffffff80a856c6
stack pointer = 0x10:0xfffff8011780b3d0
frame pointer = 0x10:0xfffff8011780b3f8
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, long 0, def32 0, gran 1
processor eflags = interrupt enabled, resume, IOPL = 0
current process = 792
current thread = pri 6
trap number = 18
panic: integer divide fault
cpuid = 1
Trace beginning at frame 0xfffff8011780b238
trap_fatal() at trap_fatal+0x301 0xffffffff80bdb3b1
trap_fatal() at trap_fatal+0x301 0xffffffff80bdb3b1
trap() at trap+0x457 0xffffffff80bdc1d7
calltrap() at calltrap+0x9 0xffffffff80b9f52a
--- trap 0000000000000012, rip = ffffffff80a856c6, rsp = fffff8011780b3c0, rbp = fffff8011780b3f8 ---
umcs7840_calc_baudrate() at umcs7840_calc_baudrate+0x90 0xffffffff80a856c6
umcs7840_pre_param() at umcs7840_pre_param+0x29 0xffffffff80a8488d
ucom_param() at ucom_param+0xa8 0xffffffff80a66178
boot() called on cpu#1
Uptime: 14s
Physical memory: 4060 MB
Dumping 546 MB: 531 515 499 483 467 451 435 419 403 387 371 355 339 323 307 291 275 259 243 227 211 195 179 163 147 131 115 99 83 67 51 35 19 3
Dump complete