uvm_fault(0xffffffff82838608, 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 *199008 30843 0 0x14000 0x200 0K softnet nd6_dad_duplicated(0) at nd6_dad_duplicated+0x28 sys/netinet6/nd6_nbr.c:1265 nd6_ns_input(fffffd8069849c00,28,18) at nd6_ns_input+0xdd4 nd6_dad_ns_input sys/netinet6/nd6_nbr.c:1342 [inline] nd6_ns_input(fffffd8069849c00,28,18) at nd6_ns_input+0xdd4 sys/netinet6/nd6_nbr.c:301 icmp6_input(ffff8000211670b8,ffff8000211670c4,3a,18) at icmp6_input+0xabe sys/netinet6/icmp6.c:686 ip_deliver(ffff8000211670b8,ffff8000211670c4,3a,18) at ip_deliver+0x322 sys/netinet/ip_input.c:658 ip6_input_if(ffff8000211670b8,ffff8000211670c4,29,0,ffff8000006ae000) at ip6_input_if+0x978 ipv6_input(ffff8000006ae000,fffffd80687c9600) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 if_input_local(ffff8000006ae000,fffffd80687c9600,18) at if_input_local+0x136 sys/net/if.c:778 loinput(ffff8000006ae000,fffffd80687c9600) at loinput+0x4d sys/net/if_loop.c:238 if_input_process(ffff8000006ae000,ffff8000211671f8) 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(0xffffffff82838608, 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(fffffd8069849c00,28,18) at nd6_ns_input+0xdd4 nd6_dad_ns_input sys/netinet6/nd6_nbr.c:1342 [inline] nd6_ns_input(fffffd8069849c00,28,18) at nd6_ns_input+0xdd4 sys/netinet6/nd6_nbr.c:301 icmp6_input(ffff8000211670b8,ffff8000211670c4,3a,18) at icmp6_input+0xabe sys/netinet6/icmp6.c:686 ip_deliver(ffff8000211670b8,ffff8000211670c4,3a,18) at ip_deliver+0x322 sys/netinet/ip_input.c:658 ip6_input_if(ffff8000211670b8,ffff8000211670c4,29,0,ffff8000006ae000) at ip6_input_if+0x978 ipv6_input(ffff8000006ae000,fffffd80687c9600) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 if_input_local(ffff8000006ae000,fffffd80687c9600,18) at if_input_local+0x136 sys/net/if.c:778 loinput(ffff8000006ae000,fffffd80687c9600) at loinput+0x4d sys/net/if_loop.c:238 if_input_process(ffff8000006ae000,ffff8000211671f8) 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 0xffff800021166c50 rbx 0 rdx 0 rcx 0x7 rax 0xffff800021148a80 r8 0xffffffff81aa0c0c nd6_ns_input+0x3bc r9 0x1 r10 0x3a79b31218134604 r11 0x7c3d38123c85d9be r12 0 r13 0x2 r14 0 r15 0xffff800000e92600 rip 0xffffffff81aa3438 nd6_dad_duplicated+0x28 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800021166bd0 ss 0x10 nd6_dad_duplicated+0x28: movq 0x10(%r14),%r13 ddb{0}> show proc PROC (softnet) pid=199008 stat=onproc flags process=14000 proc=200 pri=32, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff800021148d20,0xffff8000211487f0 process=0xffff8000ffffc428 user=0xffff800021162000, vmspace=0xffffffff82838608 estcpu=0, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 99177 121011 55793 0 2 0 syz-executor.1 99177 404842 55793 0 2 0x4000000 syz-executor.1 84414 116436 64224 0 2 0 syz-executor.0 84414 243801 64224 0 3 0x4000080 netcon2 syz-executor.0 84414 459537 64224 0 3 0x4000080 fsleep syz-executor.0 17090 6203 0 0 3 0x14280 nfsidl nfsio 74992 390830 0 0 3 0x14280 nfsidl nfsio 61594 65823 0 0 3 0x14280 nfsidl nfsio 79626 158589 0 0 3 0x14280 nfsidl nfsio 20065 479844 0 0 3 0x14280 nfsidl nfsio 95608 91166 0 0 3 0x14280 nfsidl nfsio 39590 264436 0 0 3 0x14280 nfsidl nfsio 62463 437737 0 0 3 0x14280 nfsidl nfsio 23270 410221 0 0 3 0x14280 nfsidl nfsio 2827 87285 0 0 3 0x14280 nfsidl nfsio 57019 212679 0 0 3 0x14280 nfsidl nfsio 35948 43260 0 0 3 0x14280 nfsidl nfsio 34274 2180 0 0 3 0x14280 nfsidl nfsio 68062 458303 0 0 3 0x14280 nfsidl nfsio 10796 254811 0 0 3 0x14280 nfsidl nfsio 73835 228481 0 0 3 0x14280 nfsidl nfsio 35764 141149 0 0 3 0x14280 nfsidl nfsio 58494 113975 0 0 3 0x14280 nfsidl nfsio 69860 337015 0 0 3 0x14280 nfsidl nfsio 9091 519478 0 0 3 0x14280 nfsidl nfsio 55793 416765 93627 0 3 0x82 nanoslp syz-executor.1 35660 248701 0 0 2 0x14600 acct 64224 362991 93627 0 3 0x82 nanoslp syz-executor.0 67336 143306 1 0 3 0x100083 ttyin getty 75306 31220 0 0 3 0x14200 bored sosplice 93627 393472 40464 0 3 0x82 thrsleep syz-fuzzer 93627 417339 40464 0 3 0x4000082 thrsleep syz-fuzzer 93627 189027 40464 0 3 0x4000082 thrsleep syz-fuzzer 93627 214807 40464 0 3 0x4000082 thrsleep syz-fuzzer 93627 374412 40464 0 3 0x4000082 thrsleep syz-fuzzer 93627 402474 40464 0 3 0x4000082 thrsleep syz-fuzzer 93627 251218 40464 0 3 0x4000082 kqread syz-fuzzer 93627 300958 40464 0 3 0x4000082 thrsleep syz-fuzzer 93627 302076 40464 0 3 0x4000082 thrsleep syz-fuzzer 40464 46017 56167 0 3 0x10008a sigsusp ksh 56167 509653 22398 0 3 0x9a kqread sshd 22398 9432 1 0 3 0x88 kqread sshd 20081 300348 88550 74 3 0x100092 bpf pflogd 88550 254401 1 0 3 0x80 netio pflogd 94609 465719 3323 73 3 0x100090 kqread syslogd 3323 474197 1 0 3 0x100082 netio syslogd 79488 248488 1 0 3 0x100080 kqread resolvd 95981 519483 7023 77 3 0x100092 kqread dhcpleased 46663 234942 7023 77 3 0x100092 kqread dhcpleased 7023 130960 1 0 3 0x80 kqread dhcpleased 27591 246098 0 0 3 0x14200 bored smr 44865 3954 0 0 2 0x14200 zerothread 54172 218965 0 0 3 0x14200 aiodoned aiodoned 58200 496301 0 0 3 0x14200 syncer update 31058 283521 0 0 3 0x14200 cleaner cleaner 94196 356054 0 0 3 0x14200 reaper reaper 71898 182060 0 0 3 0x14200 pgdaemon pagedaemon 16397 168499 0 0 3 0x14200 bored viomb 34722 230319 0 0 3 0x40014200 acpi0 acpi0 87796 279090 0 0 7 0x40014200 idle1 *30843 199008 0 0 7 0x14200 softnet 50598 56313 0 0 2 0x14200 systqmp 80000 97090 0 0 3 0x14200 bored systq 93222 55777 0 0 3 0x40014200 bored softclock 88549 262792 0 0 3 0x40014200 idle0 1 210394 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 30843 (softnet) thread 0xffff800021148a80 (199008) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff829eed80) #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 (0xffffffff827a03f0) #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 10150 6464K 15049K 78643K 38173 0 pcb 14 8K 8K 78643K 3273 0 rtable 188 35K 37K 78643K 31521 0 ifaddr 111 34K 36K 78643K 4503 0 sysctl 2 0K 1K 78643K 10 0 counters 46 34K 35K 78643K 646 0 ioctlops 0 0K 8K 78643K 11894 0 iov 0 0K 16K 78643K 1290 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1199 75K 77K 78643K 12134 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 189 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 1762 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12598 0 file desc 6 17K 25K 78643K 40746 0 sigio 0 0K 0K 78643K 153 0 proc 73 87K 111K 78643K 3897 0 subproc 26 1K 1K 78643K 1143 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 1525 0 in_multi 26 1K 2K 78643K 5481 0 ether_multi 1 0K 0K 78643K 664 0 mrt 1 0K 0K 78643K 551 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 121 546K 546K 78643K 121 0 exec 0 0K 2K 78643K 3579 0 pfkey data 0 0K 0K 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 696 1031K 1033K 78643K 480647 0 UVM aobj 131 6K 6K 78643K 198 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 1K 78643K 5840 0 NDP 9 0K 0K 78643K 1065 0 temp 126 4268K 8352K 78643K 633679 0 kqueue 13 20K 30K 78643K 3963 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 22189 0 22186 1 0 1 1 0 8 0 rtentry 112 5185 0 5156 2 0 2 2 0 8 0 unpcb 128 12695 0 12680 4 3 1 2 0 8 0 syncache 296 119 0 119 27 27 0 1 0 8 0 tcpqe 32 10 109 10 3 3 0 1 0 8 0 tcpcb 736 14482 0 14470 68 66 2 5 0 8 0 arp 120 525 0 519 1 0 1 1 0 8 0 inpcb 304 30181 0 30168 37 35 2 2 0 8 1 rttmr 72 144 0 144 24 24 0 1 0 8 0 nd6 48 898 0 896 7 6 1 1 0 8 0 pkpcb 40 146 0 146 37 37 0 1 0 8 0 kcovpl 48 87 0 85 1 0 1 1 0 8 0 ppxss 1248 44 0 44 31 31 0 1 0 8 0 pfstscr 40 74 0 74 6 6 0 1 0 8 0 pffrag 232 286 0 285 27 26 1 1 0 482 0 pffrnode 88 284 0 283 27 26 1 1 0 8 0 pffrent 40 6158 0 6157 30 29 1 1 0 8 0 pfosfp 40 1437 0 1012 5 0 5 5 0 8 0 pfosfpen 112 1437 0 719 21 0 21 21 0 8 0 pfrktable 1344 1383 0 1337 21 17 4 5 0 8 0 pftag 88 66 0 56 3 2 1 1 0 8 0 pfqueue 264 22 0 15 4 3 1 1 0 8 0 pfstitem 24 183 0 181 1 0 1 1 0 8 0 pfstkey 112 1991 0 1989 2 1 1 2 0 8 0 pfstate 320 1024 0 1022 5 4 1 4 0 8 0 pfrule 1360 6139 0 4962 107 8 99 99 0 8 0 art_heap8 4096 44 0 43 21 20 1 3 0 8 0 art_heap4 256 24229 0 24072 101 86 15 15 0 8 5 art_table 32 24273 0 24115 2 0 2 2 0 8 0 art_node 16 5064 0 5036 1 0 1 1 0 8 0 sysvmsgpl 40 65 0 25 1 0 1 1 0 8 0 semupl 112 10 0 10 1 1 0 1 0 8 0 semapl 112 1760 0 1750 1 0 1 1 0 8 0 shmpl 112 195 0 67 5 1 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 50699 0 49173 97 1 96 96 0 8 0 ffsino 272 50699 0 49173 106 4 102 103 0 8 0 nchpl 144 104479 0 104010 62 43 19 61 0 8 0 uvmvnodes 72 7037 0 0 128 0 128 128 0 8 0 vnodes 224 7037 0 0 414 0 414 414 0 8 0 namei 1024 289710 0 289710 35 34 1 1 0 8 1 percpumem 16 335 0 300 1 0 1 1 0 8 0 vcpupl 2048 115 0 3 14 0 14 14 0 8 0 vmpool 560 136 0 24 9 1 8 8 0 8 0 pfiaddrpl 120 1109 0 981 7 3 4 4 0 8 0 scsiplug 72 1 0 1 1 1 0 1 0 8 0 scxspl 216 341626 0 341626 60 59 1 8 0 8 1 plimitpl 152 1500 0 1491 1 0 1 1 0 8 0 sigapl 424 40892 0 40837 17 10 7 7 0 8 0 futexpl 64 559070 0 559069 34 33 1 1 0 8 0 knotepl 112 169 0 0 3 0 3 3 0 8 0 kqueuepl 216 5387 0 5374 20 19 1 2 0 8 0 pipepl 336 6914 0 6904 46 44 2 3 0 8 0 fdescpl 496 40745 0 40726 3 0 3 3 0 8 0 filepl 152 196986 0 196874 13 8 5 7 0 8 0 lockfpl 104 8296 0 8294 1 0 1 1 0 8 0 lockfspl 48 3289 0 3287 1 0 1 1 0 8 0 sessionpl 144 113 0 102 1 0 1 1 0 8 0 pgrppl 48 161 0 150 1 0 1 1 0 8 0 ucredpl 96 14605 0 14582 1 0 1 1 0 8 0 zombiepl 144 40837 0 40837 14 13 1 1 0 8 1 processpl 1064 40892 0 40837 6 2 4 4 0 8 0 procpl 672 88986 0 88920 15 9 6 6 0 8 0 srpgc 96 38 0 38 16 16 0 1 0 8 0 sosppl 168 238 0 238 32 32 0 1 0 8 0 sockpl 480 65230 0 65199 74 69 5 8 0 8 1 mcl64k 65536 17 0 0 3 0 3 3 0 8 0 mcl16k 16384 18 0 0 3 1 2 3 0 8 0 mcl12k 12288 17 0 0 2 0 2 2 0 8 0 mcl9k 9216 11 0 0 1 0 1 1 0 8 0 mcl8k 8192 17 0 0 3 0 3 3 0 8 0 mcl4k 4096 21 0 0 3 0 3 3 0 8 0 mcl2k2 2112 10 0 0 1 0 1 1 0 8 0 mcl2k 2048 1773 0 0 29 3 26 26 0 8 0 mtagpl 96 455 0 0 5 2 3 5 0 8 0 mbufpl 256 3484 0 0 69 6 63 63 0 8 0 bufpl 280 74380 0 66388 572 0 572 572 0 8 0 anonpl 24 10732928 0 10718608 617 504 113 116 0 186 17 amapchunkpl 152 1165473 0 1164817 459 433 26 38 0 158 0 amappl16 200 96706 0 96235 413 380 33 38 0 8 8 amappl15 192 7761 0 7757 1 0 1 1 0 8 0 amappl14 184 5396 0 5388 1 0 1 1 0 8 0 amappl13 176 9244 0 9243 1 0 1 1 0 8 0 amappl12 168 4395 0 4389 1 0 1 1 0 8 0 amappl11 160 3818 0 3800 1 0 1 1 0 8 0 amappl10 152 3916 0 3912 1 0 1 1 0 8 0 amappl9 144 4489 0 4487 1 0 1 1 0 8 0 amappl8 136 8086 0 7721 13 0 13 13 0 8 0 amappl7 128 5040 0 5029 1 0 1 1 0 8 0 amappl6 120 4672 0 4645 1 0 1 1 0 8 0 amappl5 112 30234 0 30210 1 0 1 1 0 8 0 amappl4 104 12051 0 11997 5 3 2 2 0 8 0 amappl3 96 14101 0 14083 1 0 1 1 0 8 0 amappl2 88 52845 0 52790 7 5 2 2 0 8 0 amappl1 80 645036 0 644568 16 6 10 13 0 8 0 amappl 88 478021 0 477774 6 0 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 64 197 0 67 3 0 3 3 0 8 0 uaddrrnd 24 40881 0 40750 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 40881 0 40750 1 0 1 1 0 8 0 vmmpekpl 168 188748 0 188697 3 0 3 3 0 8 0 vmmpepl 168 3552564 0 3550183 1186 1046 140 140 0 357 30 vmsppl 368 40880 0 40750 13 1 12 12 0 8 0 rwobjpl 56 784046 0 782405 85 58 27 27 0 8 3 pdppl 4096 81770 0 81612 279 121 158 158 0 8 0 pvpl 32 19019886 0 19003169 1076 904 172 205 0 265 28 pmappl 224 40880 0 40750 8 0 8 8 0 8 0 extentpl 40 58 0 40 1 0 1 1 0 8 0 phpool 112 1003 0 397 18 0 18 18 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(fffffd8069849c00,28,18) at nd6_ns_input+0xdd4 nd6_dad_ns_input sys/netinet6/nd6_nbr.c:1342 [inline] nd6_ns_input(fffffd8069849c00,28,18) at nd6_ns_input+0xdd4 sys/netinet6/nd6_nbr.c:301 icmp6_input(ffff8000211670b8,ffff8000211670c4,3a,18) at icmp6_input+0xabe sys/netinet6/icmp6.c:686 ip_deliver(ffff8000211670b8,ffff8000211670c4,3a,18) at ip_deliver+0x322 sys/netinet/ip_input.c:658 ip6_input_if(ffff8000211670b8,ffff8000211670c4,29,0,ffff8000006ae000) at ip6_input_if+0x978 ipv6_input(ffff8000006ae000,fffffd80687c9600) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 if_input_local(ffff8000006ae000,fffffd80687c9600,18) at if_input_local+0x136 sys/net/if.c:778 loinput(ffff8000006ae000,fffffd80687c9600) at loinput+0x4d sys/net/if_loop.c:238 if_input_process(ffff8000006ae000,ffff8000211671f8) 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