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 *332538 69840 0 0x14000 0x200 0K softnet nd6_dad_duplicated(0) at nd6_dad_duplicated+0x28 sys/netinet6/nd6_nbr.c:1265 nd6_ns_input(fffffd806edb1a00,28,18) at nd6_ns_input+0xdd4 nd6_dad_ns_input sys/netinet6/nd6_nbr.c:1342 [inline] nd6_ns_input(fffffd806edb1a00,28,18) at nd6_ns_input+0xdd4 sys/netinet6/nd6_nbr.c:301 icmp6_input(ffff8000211675f8,ffff800021167604,3a,18) at icmp6_input+0xabe sys/netinet6/icmp6.c:686 ip_deliver(ffff8000211675f8,ffff800021167604,3a,18) at ip_deliver+0x322 sys/netinet/ip_input.c:658 ip6_input_if(ffff8000211675f8,ffff800021167604,29,0,ffff8000006ae000) at ip6_input_if+0x978 ipv6_input(ffff8000006ae000,fffffd80789f9400) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 if_input_local(ffff8000006ae000,fffffd80789f9400,18) at if_input_local+0x136 sys/net/if.c:778 loinput(ffff8000006ae000,fffffd80789f9400) at loinput+0x4d sys/net/if_loop.c:238 if_input_process(ffff8000006ae000,ffff800021167738) 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(fffffd806edb1a00,28,18) at nd6_ns_input+0xdd4 nd6_dad_ns_input sys/netinet6/nd6_nbr.c:1342 [inline] nd6_ns_input(fffffd806edb1a00,28,18) at nd6_ns_input+0xdd4 sys/netinet6/nd6_nbr.c:301 icmp6_input(ffff8000211675f8,ffff800021167604,3a,18) at icmp6_input+0xabe sys/netinet6/icmp6.c:686 ip_deliver(ffff8000211675f8,ffff800021167604,3a,18) at ip_deliver+0x322 sys/netinet/ip_input.c:658 ip6_input_if(ffff8000211675f8,ffff800021167604,29,0,ffff8000006ae000) at ip6_input_if+0x978 ipv6_input(ffff8000006ae000,fffffd80789f9400) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 if_input_local(ffff8000006ae000,fffffd80789f9400,18) at if_input_local+0x136 sys/net/if.c:778 loinput(ffff8000006ae000,fffffd80789f9400) at loinput+0x4d sys/net/if_loop.c:238 if_input_process(ffff8000006ae000,ffff800021167738) 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 0xffff800021167190 rbx 0 rdx 0 rcx 0x7 rax 0xffff800021148000 r8 0xffffffff810060fc nd6_ns_input+0x3bc r9 0x1 r10 0x5d8574c899cd835 r11 0x232d67d9ce7656e9 r12 0 r13 0x2 r14 0 r15 0xffff800000c74000 rip 0xffffffff81008928 nd6_dad_duplicated+0x28 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800021167110 ss 0x10 nd6_dad_duplicated+0x28: movq 0x10(%r14),%r13 ddb{0}> show proc PROC (softnet) pid=332538 stat=onproc flags process=14000 proc=200 pri=32, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff800021148540,0xffff8000211482b0 process=0xffff8000ffffd8f0 user=0xffff800021162000, vmspace=0xffffffff829033d8 estcpu=0, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 55331 64933 42737 0 2 0 syz-executor.1 55331 285398 42737 0 3 0x4000080 fsleep syz-executor.1 47700 41006 83144 0 2 0 syz-executor.0 47700 35208 83144 0 2 0x4000000 syz-executor.0 42737 325991 34467 0 3 0x82 nanoslp syz-executor.1 83144 65219 34467 0 3 0x82 nanoslp syz-executor.0 6942 246833 1 0 3 0x100083 ttyin getty 57696 69475 0 0 3 0x14280 nfsidl nfsio 41112 519954 0 0 3 0x14280 nfsidl nfsio 42718 316380 0 0 3 0x14280 nfsidl nfsio 43227 173605 0 0 3 0x14280 nfsidl nfsio 13641 113525 0 0 3 0x14280 nfsidl nfsio 73121 17358 0 0 3 0x14280 nfsidl nfsio 45336 253087 0 0 3 0x14280 nfsidl nfsio 40912 78472 0 0 3 0x14280 nfsidl nfsio 42030 22997 0 0 3 0x14280 nfsidl nfsio 9377 368368 0 0 3 0x14280 nfsidl nfsio 41840 509908 0 0 3 0x14280 nfsidl nfsio 38524 311086 0 0 3 0x14280 nfsidl nfsio 12062 465834 0 0 3 0x14280 nfsidl nfsio 19421 387016 0 0 3 0x14280 nfsidl nfsio 72807 105755 0 0 3 0x14280 nfsidl nfsio 23096 140659 0 0 3 0x14280 nfsidl nfsio 67003 44237 0 0 3 0x14280 nfsidl nfsio 63133 25542 0 0 3 0x14280 nfsidl nfsio 52981 99604 0 0 3 0x14280 nfsidl nfsio 40068 85772 0 0 3 0x14280 nfsidl nfsio 68156 290649 0 0 3 0x14200 acct acct 46157 7338 0 0 3 0x14200 bored sosplice 34467 455992 75141 0 3 0x82 thrsleep syz-fuzzer 34467 272311 75141 0 3 0x4000082 thrsleep syz-fuzzer 34467 173635 75141 0 3 0x4000082 kqread syz-fuzzer 34467 232793 75141 0 3 0x4000082 thrsleep syz-fuzzer 34467 423003 75141 0 3 0x4000082 thrsleep syz-fuzzer 34467 506703 75141 0 3 0x4000082 thrsleep syz-fuzzer 34467 217549 75141 0 3 0x4000082 thrsleep syz-fuzzer 34467 216714 75141 0 3 0x4000082 thrsleep syz-fuzzer 75141 69981 86233 0 3 0x10008a sigsusp ksh 86233 60834 79220 0 3 0x9a kqread sshd 79220 253166 1 0 3 0x88 kqread sshd 75515 346889 13867 74 3 0x100092 bpf pflogd 13867 469438 1 0 3 0x80 netio pflogd 6146 66553 27724 73 3 0x100090 kqread syslogd 27724 25269 1 0 3 0x100082 netio syslogd 32797 260906 1 0 3 0x100080 kqread resolvd 84621 454590 0 0 3 0x14200 bored smr 88096 245548 0 0 2 0x14200 zerothread 51952 370724 0 0 3 0x14200 aiodoned aiodoned 9822 74850 0 0 3 0x14200 syncer update 45219 468939 0 0 3 0x14200 cleaner cleaner 8425 390113 0 0 3 0x14200 reaper reaper 22724 185404 0 0 3 0x14200 pgdaemon pagedaemon 13735 342558 0 0 3 0x14200 bored viomb 82399 104669 0 0 3 0x40014200 acpi0 acpi0 19733 424264 0 0 7 0x40014200 idle1 *69840 332538 0 0 7 0x14200 softnet 76989 428972 0 0 2 0x14200 systqmp 9734 152721 0 0 3 0x14200 bored systq 31380 289856 0 0 3 0x40014200 bored softclock 98288 424146 0 0 3 0x40014200 idle0 1 392582 0 0 3 0x80082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 69840 (softnet) thread 0xffff800021148000 (332538) 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 10132 6449K 6945K 78643K 16782 0 pcb 15 8K 8K 78643K 1383 0 rtable 64 11K 13K 78643K 3114 0 ifaddr 48 14K 18K 78643K 1227 0 sysctl 2 0K 0K 78643K 2 0 counters 44 34K 34K 78643K 466 0 ioctlops 0 0K 4K 78643K 4844 0 iov 0 0K 28K 78643K 653 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 5 0 vnodes 1273 80K 81K 78643K 5203 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 99 0 VM map 2 1K 1K 78643K 2 0 sem 12 1K 1K 78643K 12 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12598 0 file desc 6 17K 25K 78643K 10794 0 sigio 0 0K 0K 78643K 85 0 proc 66 63K 111K 78643K 2166 0 subproc 66 4K 6K 78643K 1693 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 1016 0 in_multi 10 0K 2K 78643K 1581 0 ether_multi 1 0K 0K 78643K 238 0 mrt 2 0K 0K 78643K 70 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 79 360K 360K 78643K 79 0 exec 0 0K 2K 78643K 2151 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 502 1088K 1088K 78643K 138049 0 UVM aobj 131 6K 6K 78643K 137 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 1420 0 NDP 7 0K 0K 78643K 385 0 temp 90 4206K 8302K 78643K 198479 0 kqueue 8 14K 30K 78643K 690 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 120 822 0 821 1 0 1 1 0 8 0 rtentry 112 1037 0 1020 2 0 2 2 0 8 0 unpcb 128 5840 0 5832 8 7 1 3 0 8 0 syncache 296 40 0 40 20 20 0 1 0 8 0 sackhl 24 1 0 1 1 1 0 1 0 8 0 tcpqe 32 11 0 11 7 7 0 1 0 8 0 tcpcb 736 3113 0 3109 42 41 1 3 0 8 0 arp 120 128 0 124 1 0 1 1 0 8 0 inpcb 304 20711 0 20699 26 24 2 3 0 8 1 rttmr 72 10 0 10 8 8 0 1 0 8 0 nd6 48 246 0 246 1 0 1 1 0 8 1 pkpcb 40 42 0 42 17 16 1 1 0 8 1 kcovpl 48 51 0 49 1 0 1 1 0 8 0 ppxss 1248 51 0 51 30 30 0 1 0 8 0 pfstscr 40 1 0 1 1 1 0 1 0 8 0 pffrag 232 106 0 104 11 10 1 1 0 482 0 pffrnode 88 105 0 103 11 10 1 1 0 8 0 pffrent 40 1333 0 1331 13 12 1 1 0 8 0 pfosfp 40 1428 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfrktable 1344 38 0 38 2 2 0 1 0 8 0 pfstitem 24 846 0 800 1 0 1 1 0 8 0 pfstkey 112 847 0 801 5 3 2 2 0 8 0 pfstate 320 846 0 800 12 7 5 6 0 8 0 pfrule 1360 52 0 45 2 1 1 2 0 8 0 art_heap8 4096 4 0 2 4 2 2 3 0 8 0 art_heap4 256 5259 0 5190 39 29 10 13 0 8 5 art_table 32 5263 0 5192 2 0 2 2 0 8 1 art_node 16 1029 0 1014 1 0 1 1 0 8 0 sysvmsgpl 40 38 0 17 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 10 0 0 1 0 1 1 0 8 0 shmpl 112 134 0 6 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 14615 0 13175 91 0 91 91 0 8 0 ffsino 272 14615 0 13175 97 0 97 97 0 8 0 nchpl 144 28933 0 27324 61 0 61 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 91453 0 91453 16 15 1 1 0 8 1 percpumem 16 245 0 211 1 0 1 1 0 8 0 vcpupl 2048 106 0 0 14 0 14 14 0 8 0 vmpool 560 140 0 34 8 0 8 8 0 8 0 pfiaddrpl 120 11 0 11 2 2 0 1 0 8 0 scsiplug 72 7 0 7 6 6 0 1 0 8 0 scxspl 216 120618 0 120618 51 50 1 8 0 8 1 plimitpl 152 877 0 869 1 0 1 1 0 8 0 sigapl 424 10957 0 10905 8 2 6 7 0 8 0 futexpl 64 145326 0 145325 16 15 1 1 0 8 0 knotepl 112 261 0 0 3 0 3 3 0 8 0 kqueuepl 216 1949 0 1941 1 0 1 1 0 8 0 pipepl 336 1542 0 1532 22 20 2 2 0 8 0 fdescpl 496 10894 0 10878 3 0 3 3 0 8 0 filepl 152 69261 0 69125 23 17 6 9 0 8 0 lockfpl 104 2239 0 2238 1 0 1 1 0 8 0 lockfspl 48 716 0 715 1 0 1 1 0 8 0 sessionpl 144 75 0 65 1 0 1 1 0 8 0 pgrppl 48 100 0 90 1 0 1 1 0 8 0 ucredpl 96 7952 0 7942 1 0 1 1 0 8 0 zombiepl 144 10905 0 10905 4 3 1 1 0 8 1 processpl 1064 10957 0 10905 4 0 4 4 0 8 0 procpl 672 30415 0 30354 7 1 6 6 0 8 0 srpgc 96 31 0 31 16 15 1 1 0 8 1 sosppl 168 103 0 103 34 33 1 1 0 8 1 sockpl 480 27499 0 27478 61 57 4 10 0 8 1 mcl64k 65536 26 0 0 3 0 3 3 0 8 0 mcl16k 16384 28 0 0 4 2 2 3 0 8 0 mcl12k 12288 41 0 0 2 0 2 2 0 8 0 mcl9k 9216 30 0 0 2 0 2 2 0 8 0 mcl8k 8192 31 0 0 4 0 4 4 0 8 0 mcl4k 4096 29 0 0 4 0 4 4 0 8 0 mcl2k2 2112 13 0 0 1 0 1 1 0 8 0 mcl2k 2048 399 0 0 31 2 29 29 0 8 0 mtagpl 96 65 0 0 2 0 2 2 0 8 0 mbufpl 256 1491 0 0 42 0 42 42 0 8 0 bufpl 280 27208 0 20882 453 0 453 453 0 8 0 anonpl 24 3285559 0 3269797 433 302 131 139 0 186 13 amapchunkpl 152 344713 0 344007 330 301 29 43 0 158 0 amappl16 200 27938 0 27290 262 226 36 47 0 8 1 amappl15 192 2714 0 2708 1 0 1 1 0 8 0 amappl14 184 762 0 762 7 7 0 1 0 8 0 amappl13 176 1755 0 1752 1 0 1 1 0 8 0 amappl12 168 619 0 614 1 0 1 1 0 8 0 amappl11 160 1694 0 1683 1 0 1 1 0 8 0 amappl10 152 2548 0 2544 1 0 1 1 0 8 0 amappl9 144 1642 0 1640 1 0 1 1 0 8 0 amappl8 136 1407 0 1293 4 0 4 4 0 8 0 amappl7 128 258 0 250 1 0 1 1 0 8 0 amappl6 120 1670 0 1653 1 0 1 1 0 8 0 amappl5 112 10806 0 10779 1 0 1 1 0 8 0 amappl4 104 4697 0 4667 1 0 1 1 0 8 0 amappl3 96 2018 0 1995 1 0 1 1 0 8 0 amappl2 88 13266 0 13216 3 1 2 2 0 8 0 amappl1 80 194724 0 194314 13 3 10 13 0 8 0 amappl 88 136558 0 136308 7 1 6 6 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 64 136 0 6 3 0 3 3 0 8 0 uaddrrnd 24 11034 0 10912 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 11034 0 10912 1 0 1 1 0 8 0 vmmpekpl 168 75289 0 75242 3 0 3 3 0 8 0 vmmpepl 168 1007014 0 1004830 686 561 125 125 0 357 28 vmsppl 368 11033 0 10912 12 0 12 12 0 8 1 rwobjpl 56 245233 0 243702 65 42 23 26 0 8 0 pdppl 4096 22075 0 21930 212 67 145 146 0 8 0 pvpl 32 5904552 0 5886876 708 512 196 241 0 265 19 pmappl 224 11033 0 10912 9 1 8 8 0 8 0 extentpl 40 58 0 40 1 0 1 1 0 8 0 phpool 112 645 0 181 15 1 14 14 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(fffffd806edb1a00,28,18) at nd6_ns_input+0xdd4 nd6_dad_ns_input sys/netinet6/nd6_nbr.c:1342 [inline] nd6_ns_input(fffffd806edb1a00,28,18) at nd6_ns_input+0xdd4 sys/netinet6/nd6_nbr.c:301 icmp6_input(ffff8000211675f8,ffff800021167604,3a,18) at icmp6_input+0xabe sys/netinet6/icmp6.c:686 ip_deliver(ffff8000211675f8,ffff800021167604,3a,18) at ip_deliver+0x322 sys/netinet/ip_input.c:658 ip6_input_if(ffff8000211675f8,ffff800021167604,29,0,ffff8000006ae000) at ip6_input_if+0x978 ipv6_input(ffff8000006ae000,fffffd80789f9400) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 if_input_local(ffff8000006ae000,fffffd80789f9400,18) at if_input_local+0x136 sys/net/if.c:778 loinput(ffff8000006ae000,fffffd80789f9400) at loinput+0x4d sys/net/if_loop.c:238 if_input_process(ffff8000006ae000,ffff800021167738) 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