uvm_fault(0xffffffff829fcb88, 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 * 15601 52138 0 0x14000 0x200 0K softnet nd6_dad_duplicated(0) at nd6_dad_duplicated+0x28 sys/netinet6/nd6_nbr.c:1265 nd6_ns_input(fffffd8071c86700,28,18) at nd6_ns_input+0xdd4 nd6_dad_ns_input sys/netinet6/nd6_nbr.c:1342 [inline] nd6_ns_input(fffffd8071c86700,28,18) at nd6_ns_input+0xdd4 sys/netinet6/nd6_nbr.c:301 icmp6_input(ffff800021167be8,ffff800021167bf4,3a,18) at icmp6_input+0xabe sys/netinet6/icmp6.c:686 ip_deliver(ffff800021167be8,ffff800021167bf4,3a,18) at ip_deliver+0x322 sys/netinet/ip_input.c:658 ip6_input_if(ffff800021167be8,ffff800021167bf4,29,0,ffff8000006ae000) at ip6_input_if+0x978 ipv6_input(ffff8000006ae000,fffffd8062654200) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 if_input_local(ffff8000006ae000,fffffd8062654200,18) at if_input_local+0x136 sys/net/if.c:778 loinput(ffff8000006ae000,fffffd8062654200) at loinput+0x4d sys/net/if_loop.c:238 if_input_process(ffff8000006ae000,ffff800021167d28) 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(0xffffffff829fcb88, 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(fffffd8071c86700,28,18) at nd6_ns_input+0xdd4 nd6_dad_ns_input sys/netinet6/nd6_nbr.c:1342 [inline] nd6_ns_input(fffffd8071c86700,28,18) at nd6_ns_input+0xdd4 sys/netinet6/nd6_nbr.c:301 icmp6_input(ffff800021167be8,ffff800021167bf4,3a,18) at icmp6_input+0xabe sys/netinet6/icmp6.c:686 ip_deliver(ffff800021167be8,ffff800021167bf4,3a,18) at ip_deliver+0x322 sys/netinet/ip_input.c:658 ip6_input_if(ffff800021167be8,ffff800021167bf4,29,0,ffff8000006ae000) at ip6_input_if+0x978 ipv6_input(ffff8000006ae000,fffffd8062654200) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 if_input_local(ffff8000006ae000,fffffd8062654200,18) at if_input_local+0x136 sys/net/if.c:778 loinput(ffff8000006ae000,fffffd8062654200) at loinput+0x4d sys/net/if_loop.c:238 if_input_process(ffff8000006ae000,ffff800021167d28) 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 0xffff800021167780 rbx 0 rdx 0 rcx 0x7 rax 0xffff8000211482a0 r8 0xffffffff81188f6c nd6_ns_input+0x3bc r9 0x1 r10 0x6494f74b2cf8b8f1 r11 0xfc54ced887c98e9a r12 0 r13 0x2 r14 0 r15 0xffff800000db2200 rip 0xffffffff8118b798 nd6_dad_duplicated+0x28 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800021167700 ss 0x10 nd6_dad_duplicated+0x28: movq 0x10(%r14),%r13 ddb{0}> show proc PROC (softnet) pid=15601 stat=onproc flags process=14000 proc=200 pri=32, usrpri=51, nice=20 forw=0xffffffffffffffff, list=0xffff800021148000,0xffff800021148550 process=0xffff8000ffffd4c8 user=0xffff800021162000, vmspace=0xffffffff829fcb88 estcpu=1, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 41843 490790 14888 0 2 0 syz-executor.1 41843 172740 14888 0 2 0x4000000 syz-executor.1 45175 223419 0 0 3 0x14200 acct acct 14888 326987 79202 0 2 0x482 syz-executor.1 85257 154780 79202 0 2 0x482 syz-executor.0 32495 117338 1 0 3 0x100083 ttyopn getty 17517 80880 0 0 3 0x14280 nfsidl nfsio 18778 482045 0 0 3 0x14280 nfsidl nfsio 99698 344638 0 0 3 0x14280 nfsidl nfsio 20665 408924 0 0 3 0x14280 nfsidl nfsio 61918 142976 0 0 3 0x14280 nfsidl nfsio 55128 413876 0 0 3 0x14280 nfsidl nfsio 5673 102168 0 0 3 0x14280 nfsidl nfsio 40605 477 0 0 3 0x14280 nfsidl nfsio 43554 447704 0 0 3 0x14280 nfsidl nfsio 28384 354741 0 0 3 0x14280 nfsidl nfsio 97912 216904 0 0 3 0x14280 nfsidl nfsio 94841 198833 0 0 3 0x14280 nfsidl nfsio 38474 315072 0 0 3 0x14280 nfsidl nfsio 83309 186065 0 0 3 0x14280 nfsidl nfsio 36543 244843 0 0 3 0x14280 nfsidl nfsio 15367 34226 0 0 3 0x14280 nfsidl nfsio 14665 439614 0 0 3 0x14280 nfsidl nfsio 73033 160423 0 0 3 0x14280 nfsidl nfsio 26018 502905 0 0 3 0x14280 nfsidl nfsio 93764 245836 0 0 3 0x14280 nfsidl nfsio 85366 139772 0 0 3 0x14200 bored sosplice 79202 513868 81296 0 3 0x82 thrsleep syz-fuzzer 79202 274166 81296 0 3 0x4000082 thrsleep syz-fuzzer 79202 504622 81296 0 3 0x4000082 thrsleep syz-fuzzer 79202 81750 81296 0 3 0x4000082 thrsleep syz-fuzzer 79202 182953 81296 0 3 0x4000082 thrsleep syz-fuzzer 79202 421756 81296 0 3 0x4000082 thrsleep syz-fuzzer 79202 30690 81296 0 3 0x4000082 thrsleep syz-fuzzer 79202 7347 81296 0 3 0x4000082 kqread syz-fuzzer 79202 32967 81296 0 3 0x4000082 thrsleep syz-fuzzer 81296 42617 6064 0 3 0x10008a sigsusp ksh 6064 130427 80604 0 3 0x9a kqread sshd 80604 389489 1 0 3 0x88 kqread sshd 58182 511006 90648 74 3 0x100092 bpf pflogd 90648 174412 1 0 3 0x80 netio pflogd 68696 293877 7201 73 3 0x100090 kqread syslogd 7201 124991 1 0 3 0x100082 netio syslogd 46602 223707 1 0 3 0x100080 kqread resolvd 84169 508549 6369 77 3 0x100092 kqread dhcpleased 34949 499595 6369 77 3 0x100092 kqread dhcpleased 6369 193581 1 0 3 0x80 kqread dhcpleased 55412 95875 0 0 3 0x14200 bored smr 34953 343440 0 0 2 0x14200 zerothread 18814 436523 0 0 3 0x14200 aiodoned aiodoned 38199 183458 0 0 3 0x14200 syncer update 69263 227814 0 0 3 0x14200 cleaner cleaner 61906 329844 0 0 3 0x14200 reaper reaper 42445 9990 0 0 3 0x14200 pgdaemon pagedaemon 12048 320241 0 0 3 0x14200 bored viomb 94654 450880 0 0 3 0x40014200 acpi0 acpi0 5112 81744 0 0 7 0x40014200 idle1 *52138 15601 0 0 7 0x14200 softnet 4978 347556 0 0 2 0x14200 systqmp 94222 344367 0 0 3 0x14200 bored systq 46472 130137 0 0 3 0x40014200 bored softclock 79934 442381 0 0 3 0x40014200 idle0 1 455496 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 52138 (softnet) thread 0xffff8000211482a0 (15601) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82983db8) #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 (0xffffffff827f2760) #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 10169 6462K 6980K 78643K 48701 0 pcb 14 20K 25K 78643K 16582 0 rtable 150 27K 28K 78643K 7082 0 ifaddr 80 26K 28K 78643K 2481 0 sysctl 3 1K 1K 78643K 7 0 counters 44 34K 34K 78643K 856 0 ioctlops 0 0K 4K 78643K 7544 0 iov 0 0K 24K 78643K 4616 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 5 0 vnodes 1392 87K 88K 78643K 14790 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 240 0 VM map 2 1K 1K 78643K 2 0 sem 12 1K 1K 78643K 1881 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12598 0 file desc 5 13K 25K 78643K 33543 0 sigio 0 0K 0K 78643K 150 0 proc 71 87K 111K 78643K 3165 0 subproc 26 1K 2K 78643K 1006 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 2167 0 in_multi 26 1K 2K 78643K 3227 0 ether_multi 1 0K 0K 78643K 405 0 mrt 1 0K 0K 78643K 102 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 253 1129K 1129K 78643K 253 0 exec 0 0K 2K 78643K 6544 0 pfkey data 0 0K 1K 78643K 77 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 574 1387K 1388K 78643K 427209 0 UVM aobj 131 8K 8K 78643K 135 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 9921 0 NDP 8 0K 0K 78643K 698 0 temp 101 4220K 8316K 78643K 481405 0 kqueue 12 18K 26K 78643K 1204 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 2067 0 2064 32 31 1 5 0 8 0 rtentry 112 1745 0 1716 10 9 1 2 0 8 0 unpcb 128 29376 0 29361 269 268 1 9 0 8 0 syncache 296 15 0 15 5 5 0 1 0 8 0 tcpqe 32 7 0 7 2 2 0 1 0 8 0 tcpcb 736 26277 0 26272 649 641 8 23 0 8 7 arp 120 188 0 182 1 0 1 1 0 8 0 inpcb 304 63996 0 63985 694 685 9 19 0 8 8 rttmr 72 16 0 16 5 4 1 1 0 8 1 nd6 48 377 0 373 1 0 1 1 0 8 0 pkpcb 40 137 0 137 19 19 0 1 0 8 0 kcovpl 48 77 0 75 1 0 1 1 0 8 0 ppxss 1248 95 0 95 29 28 1 1 0 8 1 pfstscr 40 33 0 33 9 9 0 1 0 8 0 pffrag 232 248 0 248 29 28 1 1 0 482 1 pffrnode 88 248 0 248 29 28 1 1 0 8 1 pffrent 40 3838 0 3838 33 32 1 1 0 8 1 pfosfp 40 1446 0 1021 5 0 5 5 0 8 0 pfosfpen 112 1446 0 728 21 0 21 21 0 8 0 pfrktable 1344 577 0 547 9 6 3 3 0 8 0 pftag 88 11 0 5 1 0 1 1 0 8 0 pfqueue 264 4 0 4 1 1 0 1 0 8 0 pfstitem 24 58 0 56 1 0 1 1 0 8 0 pfstkey 112 132 0 130 1 0 1 1 0 8 0 pfstate 320 92 0 90 2 1 1 2 0 8 0 pfsrctr 152 17 0 17 1 1 0 1 0 8 0 pfrule 1360 1874 0 1725 22 9 13 13 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 9023 0 8886 73 62 11 19 0 8 1 art_table 32 9024 0 8886 3 1 2 3 0 8 0 art_node 16 1640 0 1613 1 0 1 1 0 8 0 sysvmsgpl 40 42 0 8 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 1879 0 1869 1 0 1 1 0 8 0 shmpl 112 132 0 4 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 44508 0 43066 92 1 91 91 0 8 0 ffsino 272 44508 0 43066 98 1 97 97 0 8 0 nchpl 144 87738 0 86133 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 300124 0 300124 17 16 1 1 0 8 1 percpumem 16 440 0 406 1 0 1 1 0 8 0 vcpupl 2048 227 0 1 29 0 29 29 0 8 0 vmpool 560 325 0 99 18 1 17 17 0 8 0 pfiaddrpl 120 237 0 190 2 0 2 2 0 8 0 scsiplug 72 32 0 32 9 9 0 1 0 8 0 scxspl 216 285742 0 285742 40 39 1 8 0 8 1 plimitpl 152 2652 0 2643 1 0 1 1 0 8 0 sigapl 424 33591 0 33537 10 3 7 7 0 8 0 futexpl 64 344583 0 344583 17 16 1 1 0 8 1 knotepl 112 198 0 0 3 0 3 3 0 8 0 kqueuepl 216 6351 0 6334 177 175 2 9 0 8 1 pipepl 336 20287 0 20277 410 408 2 11 0 8 0 fdescpl 496 33554 0 33536 3 0 3 3 0 8 0 filepl 152 280410 0 280300 593 585 8 17 0 8 3 lockfpl 104 7542 0 7540 15 14 1 3 0 8 0 lockfspl 48 2045 0 2043 1 0 1 1 0 8 0 sessionpl 144 90 0 79 1 0 1 1 0 8 0 pgrppl 48 392 0 381 1 0 1 1 0 8 0 ucredpl 96 29732 0 29719 1 0 1 1 0 8 0 zombiepl 144 33537 0 33536 3 2 1 1 0 8 0 processpl 1064 33591 0 33536 4 0 4 4 0 8 0 procpl 672 98468 0 98404 41 34 7 8 0 8 0 srpgc 96 19 0 19 7 7 0 1 0 8 0 sosppl 168 220 0 220 52 51 1 1 0 8 1 sockpl 480 95673 0 95644 1707 1695 12 34 0 8 8 mcl64k 65536 41 0 0 4 1 3 3 0 8 0 mcl16k 16384 25 0 0 3 1 2 3 0 8 0 mcl12k 12288 34 0 0 2 0 2 2 0 8 0 mcl9k 9216 28 0 0 2 0 2 2 0 8 0 mcl8k 8192 44 0 0 3 0 3 3 0 8 0 mcl4k 4096 38 0 0 4 2 2 3 0 8 0 mcl2k2 2112 13 0 0 1 0 1 1 0 8 0 mcl2k 2048 700 0 0 34 3 31 34 0 8 0 mtagpl 96 1668 0 0 13 10 3 9 0 8 0 mbufpl 256 9771 0 0 538 1 537 537 0 8 0 bufpl 280 62682 0 56353 453 0 453 453 0 8 0 anonpl 24 9672550 0 9652768 523 398 125 146 0 186 0 amapchunkpl 152 1044224 0 1043530 293 263 30 45 0 158 0 amappl16 200 87871 0 87131 301 260 41 52 0 8 0 amappl15 192 5942 0 5936 1 0 1 1 0 8 0 amappl14 184 2917 0 2912 2 1 1 1 0 8 0 amappl13 176 3783 0 3782 1 0 1 1 0 8 0 amappl12 168 9719 0 9714 1 0 1 1 0 8 0 amappl11 160 7843 0 7823 1 0 1 1 0 8 0 amappl10 152 1396 0 1392 1 0 1 1 0 8 0 amappl9 144 1627 0 1624 1 0 1 1 0 8 0 amappl8 136 4611 0 4499 4 0 4 4 0 8 0 amappl7 128 3051 0 3043 1 0 1 1 0 8 0 amappl6 120 1736 0 1721 1 0 1 1 0 8 0 amappl5 112 20901 0 20877 1 0 1 1 0 8 0 amappl4 104 17636 0 17604 1 0 1 1 0 8 0 amappl3 96 13237 0 13215 1 0 1 1 0 8 0 amappl2 88 45148 0 45051 8 5 3 3 0 8 0 amappl1 80 576533 0 576085 17 7 10 13 0 8 0 amappl 88 424872 0 424581 8 1 7 8 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 64 134 0 4 3 0 3 3 0 8 0 uaddrrnd 24 33879 0 33635 2 0 2 2 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 33879 0 33635 2 0 2 2 0 8 0 vmmpekpl 168 282912 0 282859 3 0 3 3 0 8 0 vmmpepl 168 3046912 0 3044080 1409 1280 129 162 0 357 1 vmsppl 368 33878 0 33635 23 0 23 23 0 8 0 rwobjpl 56 730409 0 728655 83 57 26 28 0 8 0 pdppl 4096 67766 0 67496 344 72 272 272 0 8 2 pvpl 32 16542278 0 16520315 1027 844 183 243 0 265 0 pmappl 224 33878 0 33635 16 1 15 15 0 8 0 extentpl 40 58 0 40 1 0 1 1 0 8 0 phpool 112 2350 0 1220 33 0 33 33 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(fffffd8071c86700,28,18) at nd6_ns_input+0xdd4 nd6_dad_ns_input sys/netinet6/nd6_nbr.c:1342 [inline] nd6_ns_input(fffffd8071c86700,28,18) at nd6_ns_input+0xdd4 sys/netinet6/nd6_nbr.c:301 icmp6_input(ffff800021167be8,ffff800021167bf4,3a,18) at icmp6_input+0xabe sys/netinet6/icmp6.c:686 ip_deliver(ffff800021167be8,ffff800021167bf4,3a,18) at ip_deliver+0x322 sys/netinet/ip_input.c:658 ip6_input_if(ffff800021167be8,ffff800021167bf4,29,0,ffff8000006ae000) at ip6_input_if+0x978 ipv6_input(ffff8000006ae000,fffffd8062654200) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 if_input_local(ffff8000006ae000,fffffd8062654200,18) at if_input_local+0x136 sys/net/if.c:778 loinput(ffff8000006ae000,fffffd8062654200) at loinput+0x4d sys/net/if_loop.c:238 if_input_process(ffff8000006ae000,ffff800021167d28) 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