panic: Fatal trap 12

[Francois Tigeot]

I've got yet an other panic on my backup box.

System is Opteron-170, 2GB RAM, em0 NIC.
DragonFly-2.2.0
 
Panic messages I found on the console:

Fatal trap 12: page fault while in kernel mode
mp_lock = 00000001; cpuid = 1; lapic.id = 01000000

fault virtual address = 0x7c
fault code = supervisor write, page not present
instruction pointer = 0x8:0xc0451953
stack pointer		= 0x10:0xdf322a14
frame pointer		= 0x10:0xdf322a34
code segment		= base 0x0, limit 0xfffff, type 0x1b
					= DPL 0, pres 1, def32 1, gran 1
processor eflags	= interrupt enabled, resume, IOPL=0
current process = 13142 (find)
current thread = pri 10
 <- SMP: XXX

kernel: type 12 trap, code = 2
CPU1 stopping CPUs : 0x00000001
  stopped

Stopped at hammer_get_vnode+0x61:	movl $0x8, 0x7c

-- 
Francois Tigeot