uvm_fault(0xffffffff829033d8, 0x10, 0, 1) -> e kernel: page fault trap, code=0 Stopped at nd6_dad_duplicated+0x28: movq 0x10(%r14),%r13 TID PID UID PRFLAGS PFLAGS CPU COMMAND *195540 84089 0 0x14000 0x200 0K softnet nd6_dad_duplicated(0) at nd6_dad_duplicated+0x28 sys/netinet6/nd6_nbr.c:1265 nd6_ns_input(fffffd8064d2ca00,28,18) at nd6_ns_input+0xdd4 nd6_dad_ns_input sys/netinet6/nd6_nbr.c:1342 [inline] nd6_ns_input(fffffd8064d2ca00,28,18) at nd6_ns_input+0xdd4 sys/netinet6/nd6_nbr.c:301 icmp6_input(ffff8000211671e8,ffff8000211671f4,3a,18) at icmp6_input+0xabe sys/netinet6/icmp6.c:686 ip_deliver(ffff8000211671e8,ffff8000211671f4,3a,18) at ip_deliver+0x322 sys/netinet/ip_input.c:658 ip6_input_if(ffff8000211671e8,ffff8000211671f4,29,0,ffff8000006ae000) at ip6_input_if+0x978 ipv6_input(ffff8000006ae000,fffffd807f019000) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 if_input_local(ffff8000006ae000,fffffd807f019000,18) at if_input_local+0x136 sys/net/if.c:778 loinput(ffff8000006ae000,fffffd807f019000) at loinput+0x4d sys/net/if_loop.c:238 if_input_process(ffff8000006ae000,ffff800021167328) at if_input_process+0xd2 sys/net/if.c:843 ifiq_process(ffff8000006ae450) at ifiq_process+0x80 sys/net/ifq.c:773 taskq_thread(ffff80000002c000) at taskq_thread+0xe6 sys/kern/kern_task.c:449 end trace frame: 0x0, count: 4 https://www.openbsd.org/ddb.html describes the minimum info required in bug reports. Insufficient info makes it difficult to find and fix bugs. ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic *cpu0: uvm_fault(0xffffffff829033d8, 0x10, 0, 1) -> e ddb{0}> trace nd6_dad_duplicated(0) at nd6_dad_duplicated+0x28 sys/netinet6/nd6_nbr.c:1265 nd6_ns_input(fffffd8064d2ca00,28,18) at nd6_ns_input+0xdd4 nd6_dad_ns_input sys/netinet6/nd6_nbr.c:1342 [inline] nd6_ns_input(fffffd8064d2ca00,28,18) at nd6_ns_input+0xdd4 sys/netinet6/nd6_nbr.c:301 icmp6_input(ffff8000211671e8,ffff8000211671f4,3a,18) at icmp6_input+0xabe sys/netinet6/icmp6.c:686 ip_deliver(ffff8000211671e8,ffff8000211671f4,3a,18) at ip_deliver+0x322 sys/netinet/ip_input.c:658 ip6_input_if(ffff8000211671e8,ffff8000211671f4,29,0,ffff8000006ae000) at ip6_input_if+0x978 ipv6_input(ffff8000006ae000,fffffd807f019000) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 if_input_local(ffff8000006ae000,fffffd807f019000,18) at if_input_local+0x136 sys/net/if.c:778 loinput(ffff8000006ae000,fffffd807f019000) at loinput+0x4d sys/net/if_loop.c:238 if_input_process(ffff8000006ae000,ffff800021167328) at if_input_process+0xd2 sys/net/if.c:843 ifiq_process(ffff8000006ae450) at ifiq_process+0x80 sys/net/ifq.c:773 taskq_thread(ffff80000002c000) at taskq_thread+0xe6 sys/kern/kern_task.c:449 end trace frame: 0x0, count: -11 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff800021166d80 rbx 0 rdx 0 rcx 0x7 rax 0xffff8000211482a0 r8 0xffffffff810060fc nd6_ns_input+0x3bc r9 0x1 r10 0x7b191122aef87fcd r11 0xf0e69964e9619742 r12 0 r13 0x2 r14 0 r15 0xffff800000c91f00 rip 0xffffffff81008928 nd6_dad_duplicated+0x28 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800021166d00 ss 0x10 nd6_dad_duplicated+0x28: movq 0x10(%r14),%r13 ddb{0}> show proc PROC (softnet) pid=195540 stat=onproc flags process=14000 proc=200 pri=32, usrpri=51, nice=20 forw=0xffffffffffffffff, list=0xffff800021148000,0xffff800021148550 process=0xffff8000ffffd8f0 user=0xffff800021162000, vmspace=0xffffffff829033d8 estcpu=1, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 28743 445557 75004 0 2 0 syz-executor.1 28743 438878 75004 0 2 0x4000000 syz-executor.1 75004 10224 99537 0 3 0x82 nanoslp syz-executor.1 76626 482934 99537 0 2 0x2 syz-executor.0 61266 492151 1 0 3 0x100083 ttyin getty 58600 142049 0 0 3 0x14280 nfsidl nfsio 53584 141745 0 0 3 0x14280 nfsidl nfsio 21098 390198 0 0 3 0x14280 nfsidl nfsio 52685 34602 0 0 3 0x14280 nfsidl nfsio 23027 427 0 0 3 0x14280 nfsidl nfsio 12575 19519 0 0 3 0x14280 nfsidl nfsio 67380 23773 0 0 3 0x14280 nfsidl nfsio 25982 221473 0 0 3 0x14280 nfsidl nfsio 72196 432550 0 0 3 0x14280 nfsidl nfsio 90726 129830 0 0 3 0x14280 nfsidl nfsio 48419 99199 0 0 3 0x14280 nfsidl nfsio 86637 179619 0 0 3 0x14280 nfsidl nfsio 94042 342670 0 0 3 0x14280 nfsidl nfsio 63774 230520 0 0 3 0x14280 nfsidl nfsio 25772 382004 0 0 3 0x14280 nfsidl nfsio 55420 343481 0 0 3 0x14280 nfsidl nfsio 90238 456474 0 0 3 0x14280 nfsidl nfsio 55158 461877 0 0 3 0x14280 nfsidl nfsio 71412 133519 0 0 3 0x14280 nfsidl nfsio 10794 215782 0 0 3 0x14280 nfsidl nfsio 18875 508426 0 0 3 0x14200 bored sosplice 99537 344718 62381 0 3 0x82 kqread syz-fuzzer 99537 271474 62381 0 3 0x4000082 thrsleep syz-fuzzer 99537 504792 62381 0 3 0x4000082 thrsleep syz-fuzzer 99537 266271 62381 0 3 0x4000082 thrsleep syz-fuzzer 99537 433580 62381 0 3 0x4000082 thrsleep syz-fuzzer 99537 222150 62381 0 3 0x4000082 thrsleep syz-fuzzer 99537 349439 62381 0 3 0x4000082 thrsleep syz-fuzzer 99537 241255 62381 0 2 0x4000002 syz-fuzzer 62381 333773 62491 0 3 0x10008a sigsusp ksh 62491 488696 89334 0 3 0x9a kqread sshd 89334 202810 1 0 3 0x88 kqread sshd 40777 150002 97376 74 3 0x100092 bpf pflogd 97376 163328 1 0 3 0x80 netio pflogd 79253 350822 55012 73 3 0x100090 kqread syslogd 55012 481961 1 0 3 0x100082 netio syslogd 76115 411086 1 0 3 0x100080 kqread resolvd 55928 158666 0 0 3 0x14200 bored smr 7811 103242 0 0 2 0x14200 zerothread 72187 519613 0 0 3 0x14200 aiodoned aiodoned 96238 6186 0 0 3 0x14200 syncer update 20724 474951 0 0 3 0x14200 cleaner cleaner 95523 62169 0 0 3 0x14200 reaper reaper 73622 244705 0 0 3 0x14200 pgdaemon pagedaemon 39426 519011 0 0 3 0x14200 bored viomb 62229 472001 0 0 3 0x40014200 acpi0 acpi0 18186 202338 0 0 7 0x40014200 idle1 *84089 195540 0 0 7 0x14200 softnet 46026 438274 0 0 2 0x14200 systqmp 40968 30003 0 0 3 0x14200 bored systq 60935 324103 0 0 3 0x40014200 bored softclock 23352 446389 0 0 3 0x40014200 idle0 1 125159 0 0 3 0x80082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 84089 (softnet) thread 0xffff8000211482a0 (195540) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff828be3e0) #0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4b0 sys/kern/subr_witness.c:1182 #1 kpageflttrap+0x229 sys/arch/amd64/amd64/trap.c:274 #2 kerntrap+0xef sys/arch/amd64/amd64/trap.c:318 #3 alltraps_kern_meltdown+0x7b #4 nd6_dad_duplicated+0x28 sys/netinet6/nd6_nbr.c:1265 #5 nd6_ns_input+0xdd4 nd6_dad_ns_input sys/netinet6/nd6_nbr.c:1342 [inline] #5 nd6_ns_input+0xdd4 sys/netinet6/nd6_nbr.c:301 #6 icmp6_input+0xabe sys/netinet6/icmp6.c:686 #7 ip_deliver+0x322 sys/netinet/ip_input.c:658 #8 ip6_input_if+0x978 #9 ipv6_input+0x48 sys/netinet6/ip6_input.c:171 #10 if_input_local+0x136 sys/net/if.c:778 #11 loinput+0x4d sys/net/if_loop.c:238 #12 if_input_process+0xd2 sys/net/if.c:843 #13 ifiq_process+0x80 sys/net/ifq.c:773 #14 taskq_thread+0xe6 sys/kern/kern_task.c:449 #15 proc_trampoline+0x1c exclusive rwlock netlock r = 0 (0xffffffff827ff110) #0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4b0 sys/kern/subr_witness.c:1182 #1 if_input_process+0xa1 sys/net/if.c:843 #2 ifiq_process+0x80 sys/net/ifq.c:773 #3 taskq_thread+0xe6 sys/kern/kern_task.c:449 #4 proc_trampoline+0x1c shared rwlock softnet r = 0 (0xffff80000002c070) #0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4b0 sys/kern/subr_witness.c:1182 #1 taskq_thread+0xcb sys/kern/kern_task.c:445 #2 proc_trampoline+0x1c ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10144 6461K 6895K 78643K 16257 0 pcb 14 8K 8K 78643K 1476 0 rtable 156 26K 27K 78643K 4881 0 ifaddr 83 27K 32K 78643K 1907 0 sysctl 3 1K 1K 78643K 3 0 counters 44 34K 34K 78643K 642 0 ioctlops 0 0K 4K 78643K 4369 0 iov 0 0K 32K 78643K 1020 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 5 0 vnodes 1256 79K 80K 78643K 5864 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 103 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 6175 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12598 0 file desc 5 13K 25K 78643K 15723 0 sigio 0 0K 0K 78643K 107 0 proc 66 63K 112K 78643K 3014 0 subproc 66 4K 4K 78643K 2249 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 1092 0 in_multi 30 2K 2K 78643K 2180 0 ether_multi 1 0K 0K 78643K 242 0 mrt 2 0K 0K 78643K 111 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 103 466K 466K 78643K 103 0 exec 0 0K 2K 78643K 3042 0 pfkey data 0 0K 1K 78643K 10 0 tdb 3 0K 0K 78643K 3 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 7 26K 26K 78643K 7 0 UVM amap 589 1369K 1370K 78643K 184257 0 UVM aobj 131 4K 4K 78643K 172 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 1K 78643K 1862 0 NDP 7 0K 0K 78643K 571 0 temp 94 4214K 8310K 78643K 338087 0 kqueue 6 10K 36K 78643K 1118 0 SYN cache 2 16K 16K 78643K 2 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 22 0 0 1 0 1 1 0 8 0 rtpcb 120 914 0 913 1 0 1 1 0 8 0 rtentry 112 1563 0 1529 6 4 2 2 0 8 0 unpcb 128 30088 0 30080 16 15 1 2 0 8 0 syncache 296 90 0 90 29 29 0 1 0 8 0 tcpqe 32 56 0 56 12 12 0 1 0 8 0 tcpcb 736 4099 0 4091 50 48 2 3 0 8 0 arp 120 198 0 192 1 0 1 1 0 8 0 inpcb 304 11184 0 11176 36 35 1 2 0 8 0 rttmr 72 37 0 37 18 18 0 1 0 8 0 nd6 48 357 0 351 4 3 1 1 0 8 0 pkpcb 40 88 0 88 28 28 0 1 0 8 0 kcovpl 48 68 0 66 1 0 1 1 0 8 0 ppxss 1248 61 0 61 32 32 0 1 0 8 0 pfstscr 40 14 0 14 6 6 0 1 0 8 0 pffrag 232 119 0 118 12 11 1 1 0 482 0 pffrnode 88 119 0 118 12 11 1 1 0 8 0 pffrent 40 2460 0 2459 12 11 1 1 0 8 0 pfosfp 40 1440 0 1014 5 0 5 5 0 8 0 pfosfpen 112 1440 0 721 21 0 21 21 0 8 0 pfrktable 1344 251 0 224 9 6 3 3 0 8 0 pftag 88 17 0 11 1 0 1 1 0 8 0 pfqueue 264 11 0 4 2 1 1 1 0 8 0 pfstitem 24 71 0 69 1 0 1 1 0 8 0 pfstkey 112 95 0 93 2 1 1 2 0 8 0 pfstate 320 71 0 69 3 2 1 3 0 8 0 pfrule 1360 992 0 882 14 4 10 10 0 8 0 art_heap8 4096 5 0 4 4 3 1 3 0 8 0 art_heap4 256 8158 0 8002 69 58 11 14 0 8 0 art_table 32 8163 0 8006 2 0 2 2 0 8 0 art_node 16 1558 0 1528 1 0 1 1 0 8 0 sysvmsgpl 40 33 0 14 1 0 1 1 0 8 0 semupl 112 3 0 3 1 1 0 1 0 8 0 semapl 112 6167 0 6157 1 0 1 1 0 8 0 shmpl 112 169 0 41 5 1 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 22000 0 20527 93 0 93 93 0 8 0 ffsino 272 22000 0 20527 100 1 99 99 0 8 0 nchpl 144 46220 0 45763 61 42 19 61 0 8 0 uvmvnodes 72 5926 0 0 108 0 108 108 0 8 0 vnodes 224 5926 0 0 349 0 349 349 0 8 0 namei 1024 140055 0 140055 31 30 1 1 0 8 1 percpumem 16 333 0 299 1 0 1 1 0 8 0 vcpupl 2048 136 0 2 17 0 17 17 0 8 0 vmpool 560 183 0 49 11 1 10 10 0 8 0 pfiaddrpl 120 96 0 64 2 1 1 1 0 8 0 scsiplug 72 7 0 7 5 5 0 1 0 8 0 scxspl 216 144379 0 144379 28 27 1 8 0 8 1 plimitpl 152 1025 0 1017 1 0 1 1 0 8 0 sigapl 424 15828 0 15778 7 0 7 7 0 8 0 futexpl 64 253982 0 253982 31 30 1 1 0 8 1 knotepl 112 285 0 0 3 0 3 3 0 8 0 kqueuepl 216 2521 0 2504 27 25 2 2 0 8 1 pipepl 336 1972 0 1962 19 17 2 2 0 8 1 fdescpl 496 15777 0 15762 3 0 3 3 0 8 0 filepl 152 101730 0 101598 31 25 6 8 0 8 0 lockfpl 104 3108 0 3107 1 0 1 1 0 8 0 lockfspl 48 991 0 990 1 0 1 1 0 8 0 sessionpl 144 101 0 91 1 0 1 1 0 8 0 pgrppl 48 161 0 151 1 0 1 1 0 8 0 ucredpl 96 9925 0 9915 1 0 1 1 0 8 0 zombiepl 144 15778 0 15778 5 4 1 1 0 8 1 processpl 1064 15828 0 15778 4 0 4 4 0 8 0 procpl 672 34149 0 34091 6 0 6 6 0 8 0 srpgc 96 40 0 40 18 18 0 1 0 8 0 sosppl 168 165 0 165 50 49 1 1 0 8 1 sockpl 480 42305 0 42288 80 76 4 7 0 8 1 mcl64k 65536 9 0 0 2 0 2 2 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 14 0 0 2 0 2 2 0 8 0 mcl9k 9216 4 0 0 1 0 1 1 0 8 0 mcl8k 8192 12 0 0 2 0 2 2 0 8 0 mcl4k 4096 14 0 0 2 0 2 2 0 8 0 mcl2k2 2112 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 295 0 0 25 0 25 25 0 8 0 mtagpl 96 38 0 0 1 0 1 1 0 8 0 mbufpl 256 1775 0 0 36 1 35 35 0 8 0 bufpl 280 31514 0 25185 453 0 453 453 0 8 0 anonpl 24 4337727 0 4321377 401 276 125 149 0 186 0 amapchunkpl 152 454621 0 453877 337 305 32 50 0 158 0 amappl16 200 40686 0 40015 368 332 36 49 0 8 0 amappl15 192 1679 0 1674 1 0 1 1 0 8 0 amappl14 184 2703 0 2700 1 0 1 1 0 8 0 amappl13 176 2758 0 2756 1 0 1 1 0 8 0 amappl12 168 1603 0 1598 1 0 1 1 0 8 0 amappl11 160 1877 0 1865 1 0 1 1 0 8 0 amappl10 152 1155 0 1149 1 0 1 1 0 8 0 amappl9 144 1732 0 1727 3 2 1 1 0 8 0 amappl8 136 5243 0 5099 7 1 6 6 0 8 0 amappl7 128 3716 0 3707 1 0 1 1 0 8 0 amappl6 120 1814 0 1792 1 0 1 1 0 8 0 amappl5 112 12103 0 12076 1 0 1 1 0 8 0 amappl4 104 6038 0 6009 1 0 1 1 0 8 0 amappl3 96 4179 0 4154 1 0 1 1 0 8 0 amappl2 88 19402 0 19350 6 4 2 2 0 8 0 amappl1 80 258653 0 258254 14 3 11 13 0 8 0 amappl 88 182339 0 182055 7 0 7 7 0 92 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma256 256 6 0 6 1 1 0 1 0 8 0 dma128 128 253 0 253 1 1 0 1 0 8 0 dma64 64 6 0 6 1 1 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 64 171 0 41 3 0 3 3 0 8 0 uaddrrnd 24 15960 0 15811 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 15960 0 15811 1 0 1 1 0 8 0 vmmpekpl 168 83053 0 83000 3 0 3 3 0 8 0 vmmpepl 168 1414851 0 1412630 932 796 136 137 0 357 31 vmsppl 368 15959 0 15811 16 2 14 14 0 8 0 rwobjpl 56 315796 0 314179 107 83 24 27 0 8 0 pdppl 4096 31927 0 31756 282 109 173 174 0 8 2 pvpl 32 7846836 0 7828128 658 470 188 280 0 265 0 pmappl 224 15959 0 15811 9 0 9 9 0 8 0 extentpl 40 58 0 40 1 0 1 1 0 8 0 phpool 112 769 0 275 16 1 15 15 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace nd6_dad_duplicated(0) at nd6_dad_duplicated+0x28 sys/netinet6/nd6_nbr.c:1265 nd6_ns_input(fffffd8064d2ca00,28,18) at nd6_ns_input+0xdd4 nd6_dad_ns_input sys/netinet6/nd6_nbr.c:1342 [inline] nd6_ns_input(fffffd8064d2ca00,28,18) at nd6_ns_input+0xdd4 sys/netinet6/nd6_nbr.c:301 icmp6_input(ffff8000211671e8,ffff8000211671f4,3a,18) at icmp6_input+0xabe sys/netinet6/icmp6.c:686 ip_deliver(ffff8000211671e8,ffff8000211671f4,3a,18) at ip_deliver+0x322 sys/netinet/ip_input.c:658 ip6_input_if(ffff8000211671e8,ffff8000211671f4,29,0,ffff8000006ae000) at ip6_input_if+0x978 ipv6_input(ffff8000006ae000,fffffd807f019000) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 if_input_local(ffff8000006ae000,fffffd807f019000,18) at if_input_local+0x136 sys/net/if.c:778 loinput(ffff8000006ae000,fffffd807f019000) at loinput+0x4d sys/net/if_loop.c:238 if_input_process(ffff8000006ae000,ffff800021167328) at if_input_process+0xd2 sys/net/if.c:843 ifiq_process(ffff8000006ae450) at ifiq_process+0x80 sys/net/ifq.c:773 taskq_thread(ffff80000002c000) at taskq_thread+0xe6 sys/kern/kern_task.c:449 end trace frame: 0x0, count: -11 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffff800020d38ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 acpicpu_idle() at acpicpu_idle+0x2eb sys/dev/acpi/acpicpu.c:1206 sched_idle(ffff800020d38ff0) at sched_idle+0x417 sys/kern/kern_sched.c:178 end trace frame: 0x0, count: 10 ddb{1}> trace x86_ipi_db(ffff800020d38ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 acpicpu_idle() at acpicpu_idle+0x2eb sys/dev/acpi/acpicpu.c:1206 sched_idle(ffff800020d38ff0) at sched_idle+0x417 sys/kern/kern_sched.c:178 end trace frame: 0x0, count: -5