Kernel trap 12 with interrupts disabled


Fatal trap 12: page fault while in kernel mode
cpuid = 1; apic id = 01
fault virtual address   = 0x0
fault code              = supervisor write data, page not present
instruction pointer     = 0x20:0xffffffff80af335d
stack pointer           = 0x28:0xfffffe083d598990
frame pointer           = 0x28:0xfffffe083d598a20
code segment            = base 0x0, limit 0xfffff, type 0x1b
                        = DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags        = resume, IOPL = 0
current process         = 11 (idle: cpu1)
trap number             = 12
panic: page fault
cpuid = 1
KDB: stack backtrace:
#0 0xffffffff80b24477 at kdb_backtrace+0x67
#1 0xffffffff80ad97e2 at vpanic+0x182
#2 0xffffffff80ad9653 at panic+0x43
#3 0xffffffff80fa1d51 at trap_fatal+0x351
#4 0xffffffff80fa1f43 at trap_pfault+0x1e3
#5 0xffffffff80fa14ec at trap+0x26c
#6 0xffffffff80f845a1 at calltrap+0x8
#7 0xffffffff810bd08c at handleevents+0x17c
#8 0xffffffff810be9cb at cpu_activeclock+0x7b
#9 0xffffffff810f6a3e at cpu_idle+0x9e
#10 0xffffffff80b0f283 at sched_idletd+0x3d3
#11 0xffffffff80a90455 at fork_exit+0x85
#12 0xffffffff80f84ade at fork_trampoline+0xe
Uptime: 9h0m23s
Dumping 1703 out of 32732 MB:..1%..11%..21%..31%..41%..51%..61%..71%..81%..91%
Dump complete