DF-3405 baseline panic -- captured from guest serial console (boot.log) and /var/crash/core.txt.0
Guest: DragonFly v6.5.0.1712.g89e6a-DEVELOPMENT #1 (stock INVARIANTS kernel #0 of the audit snapshot)

tap0: opened, minor = 0. Module refcnt = 1
tap0: writing, minor = 0
tap0: not ready, minor = 0, flags = 0x41
Fatal user address access from kernel mode from taprace at ffffffff82600cb8


Fatal trap 12: page fault while in kernel mode
cpuid = 5; lapic id = 5
fault virtual address	= 0x84
fault code		= supervisor write data, page not present
instruction pointer	= 0x8:0xffffffff82600cb8
stack pointer	        = 0x10:0xfffff8011815f698
frame pointer	        = 0x10:0xfffff8011815f6a8
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		= 872
current thread          = pri 6 
trap number		= 12
panic: page fault
cpuid = 5
Trace beginning at frame 0xfffff8011815f488
trap_fatal() at trap_fatal+0x301 0xffffffff80bd4791 
trap_fatal() at trap_fatal+0x301 0xffffffff80bd4791 
trap_pfault() at trap_pfault+0x431 0xffffffff80bd4d71 
trap() at trap+0x17c 0xffffffff80bd52dc 
calltrap() at calltrap+0x9 0xffffffff80b9890a 
--- trap 000000000000000c, rip = ffffffff82600cb8, rsp = fffff8011815f680, rbp = fffff8011815f6a8 ---
tapifstop() at tapifstop+0x88 0xffffffff82600cb8 
tapclose() at tapclose+0x1b5 0xffffffff82601b55 
boot() called on cpu#5
Uptime: 43s
Physical memory: 4060 MB
Dumping 627 MB: 612 596 580 564 548 532 516 500 484 468 452 436 420 404 388 372 356 340 324 308 292 276 260 244 228 212 196 180 164 148 132 116 100 84 68 52 36 20 4
tap0: opened, minor = 0. Module refcnt = 1
tap0: writing, minor = 0
tap0: not ready, minor = 0, flags = 0x41
Fatal user address access from kernel mode from taprace at ffffffff82600cb8


Fatal trap 12: page fault while in kernel mode
cpuid = 5; lapic id = 5
fault virtual address	= 0x84
fault code		= supervisor write data, page not present
instruction pointer	= 0x8:0xffffffff82600cb8
stack pointer	        = 0x10:0xfffff8011815f698
frame pointer	        = 0x10:0xfffff8011815f6a8
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		= 872
current thread          = pri 6 
trap number		= 12
panic: page fault
cpuid = 5
Trace beginning at frame 0xfffff8011815f488
trap_fatal() at trap_fatal+0x301 0xffffffff80bd4791 
trap_fatal() at trap_fatal+0x301 0xffffffff80bd4791 
trap_pfault() at trap_pfault+0x431 0xffffffff80bd4d71 
trap() at trap+0x17c 0xffffffff80bd52dc 
calltrap() at calltrap+0x9 0xffffffff80b9890a 
--- trap 000000000000000c, rip = ffffffff82600cb8, rsp = fffff8011815f680, rbp = fffff8011815f6a8 ---
tapifstop() at tapifstop+0x88 0xffffffff82600cb8 
tapclose() at tapclose+0x1b5 0xffffffff82601b55 
boot() called on cpu#5
Uptime: 43s
Physical memory: 4060 MB
Dumping 627 MB: 612 596 580 564 548 532 516 500 484 468 452 436 420 404 388 372 356 340 324 308 292 276 260 244 228 212 196 180 164 148 132 116 100 84 68 52 36 20 4