Fatal trap 12: page fault while in kernel mode cpuid = 0; apic id = 00 fault virtual address = 0x0 fault code = supervisor read data, page not present instruction pointer = 0x20:0xffffffff8159d501 stack pointer = 0x28:0xfffffe0056a617a0 frame pointer = 0x28:0xfffffe0056a618e0 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: cpu0) rdi: 0000000000000000 rsi: 0000000000000000 rdx: 0000000000000000 rcx: fffffe0002bf1850 r8: 0000000000000000 r9: 0000000000000001 rax: fffffe0000000000 rbx: fffffe0054132488 rbp: fffffe0056a618e0 r10: 86742f9b66be6851 r11: 0000000000000017 r12: 0000000000000000 r13: 00000056867406ee r14: fffffe0054132480 r15: 0000000000000000 trap number = 12 panic: page fault cpuid = 0 time = 1760031613 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0xc6/frame 0xfffffe0056a60fd0 kdb_backtrace() at kdb_backtrace+0xd0/frame 0xfffffe0056a61130 vpanic() at vpanic+0x257/frame 0xfffffe0056a612f0 panic() at panic+0xb5/frame 0xfffffe0056a613b0 trap_pfault() at trap_pfault+0xaf2/frame 0xfffffe0056a614f0 trap() at trap+0x78e/frame 0xfffffe0056a616d0 calltrap() at calltrap+0x8/frame 0xfffffe0056a616d0 --- trap 0xc, rip = 0xffffffff8159d501, rsp = 0xfffffe0056a617a0, rbp = 0xfffffe0056a618e0 --- callout_process() at callout_process+0x441/frame 0xfffffe0056a618e0 handleevents() at handleevents+0x3ee/frame 0xfffffe0056a61950 timercb() at timercb+0x3cb/frame 0xfffffe0056a61a20 lapic_handle_timer() at lapic_handle_timer+0x17f/frame 0xfffffe0056a61a60 Xtimerint() at Xtimerint+0xb1/frame 0xfffffe0056a61a60 --- interrupt, rip = 0xffffffff820e0b4b, rsp = 0xfffffe0056a61b30, rbp = 0xfffffe0056a61b30 --- acpi_cpu_c1() at acpi_cpu_c1+0xb/frame 0xfffffe0056a61b30 acpi_cpu_idle() at acpi_cpu_idle+0x4ce/frame 0xfffffe0056a61c10 cpu_idle_acpi() at cpu_idle_acpi+0x48/frame 0xfffffe0056a61c40 cpu_idle() at cpu_idle+0x199/frame 0xfffffe0056a61c70 sched_idletd() at sched_idletd+0xd25/frame 0xfffffe0056a61ef0 fork_exit() at fork_exit+0xcc/frame 0xfffffe0056a61f30 fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe0056a61f30 --- trap 0, rip = 0, rsp = 0, rbp = 0 --- KDB: enter: panic [ thread pid 11 tid 100003 ] Stopped at kdb_enter+0x6e: movq $0,0x259f6b7(%rip) db> db> set $lines = 0 db> set $maxwidth = 0 db> show registers cs 0x20 ds 0x3b es 0x3b fs 0x13 gs 0x1b ss 0x28 rax 0x12 rcx 0xfffffe0002bf1850 rdx 0xdffff7c000000000 rbx 0xffffffff8280bda0 .str.27 rsp 0xfffffe0056a61110 rbp 0xfffffe0056a61130 rsi 0 rdi 0xffffffff830004e8 panicstr r8 0 r9 0xffffffff r10 0 r11 0x17 r12 0xfffffe000780d780 r13 0xfffffffffffffffe r14 0xffffffff8280bda0 .str.27 r15 0 rip 0xffffffff8162e4de kdb_enter+0x6e rflags 0x46 kdb_enter+0x6e: movq $0,0x259f6b7(%rip) db> show proc Process 11 (idle) at 0xfffffe0007808ab8: state: NORMAL uid: 0 gid: 0 supp gids: 0 parent: pid 0 at 0xffffffff83b58080 ABI: null flag: 0x1000028c flag2: 0 reaper: 0xffffffff83b58080 reapsubtree: 11 sigparent: 20 vmspace: 0xffffffff83b59060 (map 0xffffffff83b59060) (map.pmap 0xffffffff83b59100) (pmap 0xffffffff83b59170) threads: 2 100003 Run CPU 0 [idle: cpu0] 100004 Run CPU 1 [idle: cpu1] db> ps pid ppid pgrp uid state wmesg wchan cmd 1212 1 1212 0 Ss+ ttyin 0xfffffe0053f668b0 getty 1211 1 1211 0 Ss+ ttyin 0xfffffe00582b80b0 getty 1210 1 1210 0 Ss+ ttyin 0xfffffe00582c44b0 getty 1209 1 1209 0 Ss+ ttyin 0xfffffe00594ad0b0 getty 1208 1 1208 0 Ss+ ttyin 0xfffffe00594ac8b0 getty 1207 1 1207 0 Ss+ ttyin 0xfffffe0053f660b0 getty 1206 1 1206 0 Ss+ ttyin 0xfffffe0053f678b0 getty 1205 1 1205 0 Ss+ ttyin 0xfffffe00594ad8b0 getty 1204 1 1204 0 Ss+ ttyin 0xfffffe0053f670b0 getty 1145 0 0 0 DL mdwait 0xfffffe006e4b4000 [md2] 1144 0 0 0 DL mdwait 0xfffffe006e4d0000 [md1] 1123 0 0 0 DL mdwait 0xfffffe006e4b3000 [md32] 1082 0 0 0 DL - 0xffffffff83ccee00 [soaiod4] 1081 0 0 0 DL - 0xffffffff83ccee00 [soaiod3] 1080 0 0 0 DL - 0xffffffff83ccee00 [soaiod2] 1079 0 0 0 DL - 0xffffffff83ccee00 [soaiod1] 954 0 0 0 DL mdwait 0xfffffe006b7c1000 [md0] 899 0 0 0 DL - 0xffffffff83b59520 [accounting] 890 0 0 0 DL mdwait 0xfffffe006e4d2000 [md127] 852 0 0 0 DL (threaded) [KTLS] 100194 D - 0xfffffe0058593c00 [thr_0] 100195 D - 0xfffffe0058593c80 [thr_1] 100196 D - 0xffffffff83cd0628 [reclaim_0] 844 0 0 0 DL (threaded) [so_splice] 100115 D - 0xfffffe006e581800 [thr_0] 100174 D - 0xfffffe006e581840 [thr_1] 822 0 0 0 DL aiordy 0xfffffe0054106ac0 [aiod4] 821 0 0 0 DL aiordy 0xfffffe00540f2560 [aiod3] 820 0 0 0 DL aiordy 0xfffffe00540db000 [aiod2] 819 0 0 0 DL aiordy 0xfffffe00540dbab0 [aiod1] 16 0 0 0 DL syncer 0xffffffff83cdc820 [syncer] 15 0 0 0 DL vlruwt 0xfffffe000780a018 [vnlru] 14 0 0 0 DL (threaded) [bufdaemon] 100079 D psleep 0xffffffff83cdad60 [bufdaemon] 100082 D - 0xffffffff83001ec0 [bufspacedaemon-0] 100093 D sdflush 0xfffffe0059854ce8 [/ worker] 9 0 0 0 DL psleep 0xffffffff83d25cc0 [vmdaemon] 8 0 0 0 DL (threaded) [pagedaemon] 100077 D psleep 0xffffffff83d0bd88 [dom0] 100080 D launds 0xffffffff8