DragonFlyBSD

Trying to install DragonFly BSD on an Intel DE3815TYKHE NUC (Intel DE3815TYBE board with a single-core non-HT Atom E3815) results in a panic when booting the installer image:

--cut--
xhci0.pci0.pcib0.acpi0.nexus0.root0
xhci0: <Intel Intel BayTrail USB 3.0 controller> [tentative] mem
0xd0700000-0xd070ffff irq 20 at device 20.0 on pci0
xhci0: 32 bytes context size, 64-bit DMA
boundary check failed
alginment check failed
boundary check failed
alginment check failed
panic: invalid cpuid 1
cpuid = 0
Trace beginning at frame 0xffffffff81cbbf6d0
panic() at panic+0x267 0xffffffff805f09d9
panic() at panic+02x67 0xffffffff805f09d9
pci_alloc_msi_method() at pci_alloc_msi_methid+0x7b 0xffffffff807cb123
xhci_pci_attach() at xhci_pci_attach+0x1e2 0xffffffff82a4270e
device_doattach() at device_doattach+0x24a 0xffffffff80619fd6
device_probe_and_attach() at device_probe_and_attach+0x1b0 0xffffffff8061a71a
Debugger("panic")

CPU0 stopping CPUs: 0x00000000
stopped
Stopped at Debugger+0x38: movb $0,0x12e208b(%rip)
db>
--cut--

This message is from a 20150509 snapshot with verbose output. The same happens on 4.0.5 or any of the other boot options.