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.
panic: assertion "irq >= 0 && irq < ioapic_abi_legacy_irq_max" failed in ioapic_abi_legacy_intr_cpuid at /usr/src/sys/platform/pc64/apic/ioapic_abi.c:1127
cpuid = 0
Trace beginning at frame 0xffffffff817adb00
ioapic_abi_legacy_intr_cpuid() at ioapic_abi_legacy_intr_cpuid+0xed 0xffffffff80bdea7d 
ioapic_abi_legacy_intr_cpuid() at ioapic_abi_legacy_intr_cpuid+0xed 0xffffffff80bdea7d 
isahint_add_device() at isahint_add_device+0x193 0xffffffff809c7023 
isahint_identify() at isahint_identify+0x125 0xffffffff809c7245 
bus_generic_probe_hack() at bus_generic_probe_hack+0x75 0xffffffff8068f7a5 
isa_probe_children() at isa_probe_children+0x1c 0xffffffff809c6bec 
Debugger("panic")

CPU0 stopping CPUs: 0x0000003e
 stopped
Stopped at      Debugger+0x7c:  movb    $0,0xbdaf09(%rip)
db>