uvm_fault(0xffffffff829e2418, 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 *468069 28711 0 0x14000 0x200 0K softnet nd6_dad_duplicated(0) at nd6_dad_duplicated+0x28 sys/netinet6/nd6_nbr.c:1265 nd6_ns_input(fffffd806291ef00,28,18) at nd6_ns_input+0xdd4 nd6_dad_ns_input sys/netinet6/nd6_nbr.c:1342 [inline] nd6_ns_input(fffffd806291ef00,28,18) at nd6_ns_input+0xdd4 sys/netinet6/nd6_nbr.c:301 icmp6_input(ffff800021167ad8,ffff800021167ae4,3a,18) at icmp6_input+0xabe sys/netinet6/icmp6.c:686 ip_deliver(ffff800021167ad8,ffff800021167ae4,3a,18) at ip_deliver+0x322 sys/netinet/ip_input.c:658 ip6_input_if(ffff800021167ad8,ffff800021167ae4,29,0,ffff8000006ae000) at ip6_input_if+0x978 ipv6_input(ffff8000006ae000,fffffd807906b200) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 if_input_local(ffff8000006ae000,fffffd807906b200,18) at if_input_local+0x136 sys/net/if.c:778 loinput(ffff8000006ae000,fffffd807906b200) at loinput+0x4d sys/net/if_loop.c:238 if_input_process(ffff8000006ae000,ffff800021167c18) 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(0xffffffff829e2418, 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(fffffd806291ef00,28,18) at nd6_ns_input+0xdd4 nd6_dad_ns_input sys/netinet6/nd6_nbr.c:1342 [inline] nd6_ns_input(fffffd806291ef00,28,18) at nd6_ns_input+0xdd4 sys/netinet6/nd6_nbr.c:301 icmp6_input(ffff800021167ad8,ffff800021167ae4,3a,18) at icmp6_input+0xabe sys/netinet6/icmp6.c:686 ip_deliver(ffff800021167ad8,ffff800021167ae4,3a,18) at ip_deliver+0x322 sys/netinet/ip_input.c:658 ip6_input_if(ffff800021167ad8,ffff800021167ae4,29,0,ffff8000006ae000) at ip6_input_if+0x978 ipv6_input(ffff8000006ae000,fffffd807906b200) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 if_input_local(ffff8000006ae000,fffffd807906b200,18) at if_input_local+0x136 sys/net/if.c:778 loinput(ffff8000006ae000,fffffd807906b200) at loinput+0x4d sys/net/if_loop.c:238 if_input_process(ffff8000006ae000,ffff800021167c18) 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 0xffff800021167670 rbx 0 rdx 0 rcx 0x7 rax 0xffff8000211482a0 r8 0xffffffff8151016c nd6_ns_input+0x3bc r9 0x1 r10 0x9350a4d498197f0b r11 0x6bf05a97da28dae1 r12 0 r13 0x2 r14 0 r15 0xffff800000ce4100 rip 0xffffffff81512998 nd6_dad_duplicated+0x28 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000211675f0 ss 0x10 nd6_dad_duplicated+0x28: movq 0x10(%r14),%r13 ddb{0}> show proc PROC (softnet) pid=468069 stat=onproc flags process=14000 proc=200 pri=32, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff8000211487e0,0xffff800021148010 process=0xffff8000ffffe140 user=0xffff800021162000, vmspace=0xffffffff829e2418 estcpu=0, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 44646 155939 72441 0 2 0 syz-executor.0 44646 247849 72441 0 2 0x4000000 syz-executor.0 21745 213320 86141 0 3 0x80 nanoslp syz-executor.1 21745 391609 86141 0 3 0x4000080 netio syz-executor.1 72441 205732 20083 0 3 0x82 nanoslp syz-executor.0 86141 120244 20083 0 2 0x482 syz-executor.1 18919 318523 1 0 3 0x100083 ttyin getty 70625 455361 0 0 3 0x14280 nfsidl nfsio 38924 311928 0 0 3 0x14280 nfsidl nfsio 73985 200401 0 0 3 0x14280 nfsidl nfsio 88190 483200 0 0 3 0x14280 nfsidl nfsio 33280 422429 0 0 3 0x14280 nfsidl nfsio 66688 219085 0 0 3 0x14280 nfsidl nfsio 39043 340394 0 0 3 0x14280 nfsidl nfsio 23383 283229 0 0 3 0x14280 nfsidl nfsio 25553 102923 0 0 3 0x14280 nfsidl nfsio 20159 464523 0 0 3 0x14280 nfsidl nfsio 25990 521394 0 0 3 0x14280 nfsidl nfsio 59950 443606 0 0 3 0x14280 nfsidl nfsio 66369 382059 0 0 3 0x14280 nfsidl nfsio 28104 200294 0 0 3 0x14280 nfsidl nfsio 85485 112605 0 0 3 0x14280 nfsidl nfsio 36183 273862 0 0 3 0x14280 nfsidl nfsio 91608 251937 0 0 3 0x14280 nfsidl nfsio 73489 438139 0 0 3 0x14280 nfsidl nfsio 86647 523742 0 0 3 0x14280 nfsidl nfsio 38765 514022 0 0 3 0x14280 nfsidl nfsio 85273 370928 0 0 3 0x14200 bored sosplice 20083 328352 30411 0 3 0x82 thrsleep syz-fuzzer 20083 515004 30411 0 3 0x4000082 thrsleep syz-fuzzer 20083 427871 30411 0 3 0x4000082 thrsleep syz-fuzzer 20083 287890 30411 0 3 0x4000082 thrsleep syz-fuzzer 20083 263750 30411 0 3 0x4000082 thrsleep syz-fuzzer 20083 506477 30411 0 3 0x4000082 thrsleep syz-fuzzer 20083 480211 30411 0 3 0x4000082 kqread syz-fuzzer 20083 515481 30411 0 3 0x4000082 thrsleep syz-fuzzer 30411 425787 72617 0 3 0x10008a sigsusp ksh 72617 7766 29859 0 3 0x9a kqread sshd 29859 398571 1 0 3 0x88 kqread sshd 96011 198533 86153 74 3 0x100092 bpf pflogd 86153 127818 1 0 3 0x80 netio pflogd 27947 176528 40930 73 3 0x100090 kqread syslogd 40930 489446 1 0 3 0x100082 netio syslogd 35985 414653 1 0 3 0x100080 kqread resolvd 62648 298373 54123 77 3 0x100092 kqread dhcpleased 90705 418457 54123 77 3 0x100092 kqread dhcpleased 54123 296263 1 0 3 0x80 kqread dhcpleased 77562 27394 0 0 3 0x14200 bored smr 2955 52225 0 0 2 0x14200 zerothread 58498 477358 0 0 3 0x14200 aiodoned aiodoned 80856 312067 0 0 3 0x14200 syncer update 93725 357881 0 0 3 0x14200 cleaner cleaner 94626 305216 0 0 3 0x14200 reaper reaper 90655 395417 0 0 3 0x14200 pgdaemon pagedaemon 87133 430456 0 0 3 0x14200 bored viomb 6777 335382 0 0 3 0x40014200 acpi0 acpi0 53924 255489 0 0 7 0x40014200 idle1 *28711 468069 0 0 7 0x14200 softnet 86452 449148 0 0 2 0x14200 systqmp 59140 356786 0 0 3 0x14200 bored systq 97047 251885 0 0 2 0x40014200 softclock 29125 357225 0 0 3 0x40014200 idle0 1 91453 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 28711 (softnet) thread 0xffff8000211482a0 (468069) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff829d5e08) #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 (0xffffffff827e04c0) #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 10158 6448K 7224K 78643K 64188 0 pcb 14 24K 29K 78643K 4762 0 rtable 169 29K 30K 78643K 8866 0 ifaddr 85 28K 32K 78643K 4737 0 sysctl 2 0K 0K 78643K 2 0 counters 44 34K 34K 78643K 664 0 ioctlops 0 0K 4K 78643K 12544 0 iov 0 0K 24K 78643K 2788 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 5 0 vnodes 1378 87K 87K 78643K 18259 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 249 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 3918 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12598 0 file desc 6 17K 25K 78643K 30356 0 sigio 0 0K 0K 78643K 308 0 proc 72 87K 111K 78643K 3246 0 subproc 26 1K 1K 78643K 735 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 3091 0 in_multi 26 1K 2K 78643K 2898 0 ether_multi 1 0K 0K 78643K 472 0 mrt 1 0K 0K 78643K 98 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 223 996K 996K 78643K 223 0 exec 0 0K 2K 78643K 4257 0 pfkey data 0 0K 1K 78643K 111 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 508 1022K 1038K 78643K 382776 0 UVM aobj 131 4K 4K 78643K 132 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 2405 0 NDP 7 0K 0K 78643K 644 0 temp 110 4246K 8337K 78643K 222807 0 kqueue 15 24K 32K 78643K 3169 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 2882 0 2879 46 45 1 5 0 8 0 rtentry 112 1819 0 1785 2 0 2 2 0 8 0 unpcb 128 22255 0 22232 201 200 1 9 0 8 0 syncache 296 63 0 63 22 22 0 1 0 8 0 tcpqe 32 117 0 117 12 12 0 1 0 8 0 tcpcb 736 13895 0 13891 416 414 2 23 0 8 1 arp 120 169 0 163 1 0 1 1 0 8 0 inpcb 304 38776 0 38765 512 506 6 16 0 8 5 rttmr 72 26 0 26 9 9 0 1 0 8 0 nd6 48 417 0 412 1 0 1 1 0 8 0 pkpcb 40 379 0 379 32 31 1 1 0 8 1 kcovpl 48 56 0 54 1 0 1 1 0 8 0 ppxss 1248 49 0 49 16 16 0 1 0 8 0 pfstscr 40 175 0 175 8 8 0 1 0 8 0 pffrag 232 535 0 535 29 28 1 1 0 482 1 pffrnode 88 535 0 535 29 28 1 1 0 8 1 pffrent 40 9920 0 9920 29 28 1 1 0 8 1 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 1936 0 1901 13 10 3 4 0 8 0 pftag 88 20 0 14 2 1 1 1 0 8 0 pfqueue 264 142 0 3 12 2 10 10 0 8 0 pfstitem 24 47 0 45 1 0 1 1 0 8 0 pfstkey 112 255 0 253 1 0 1 1 0 8 0 pfstate 320 149 0 147 2 1 1 2 0 8 0 pfsrctr 152 25 0 25 3 3 0 1 0 8 0 pfrule 1360 6260 0 6041 21 2 19 19 0 8 0 art_heap8 4096 7 0 6 5 4 1 3 0 8 0 art_heap4 256 9263 0 9103 49 38 11 15 0 8 0 art_table 32 9270 0 9109 3 1 2 2 0 8 0 art_node 16 1748 0 1717 1 0 1 1 0 8 0 sysvmsgpl 40 40 0 0 1 0 1 1 0 8 0 semapl 112 3916 0 3906 1 0 1 1 0 8 0 shmpl 112 129 0 1 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 42601 0 41117 99 5 94 94 0 8 0 ffsino 272 42601 0 41117 101 1 100 100 0 8 0 nchpl 144 85400 0 83799 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 333138 0 333138 18 17 1 1 0 8 1 percpumem 16 344 0 310 1 0 1 1 0 8 0 vcpupl 2048 306 0 1 39 0 39 39 0 8 0 vmpool 560 513 0 208 26 4 22 22 0 8 0 pfiaddrpl 120 1791 0 1700 5 2 3 3 0 8 0 scsiplug 72 11 0 11 4 4 0 1 0 8 0 scxspl 216 256056 0 256056 48 47 1 8 0 8 1 plimitpl 152 3969 0 3959 1 0 1 1 0 8 0 sigapl 424 30473 0 30419 7 0 7 7 0 8 0 futexpl 64 284823 0 284823 17 16 1 1 0 8 1 knotepl 112 260 0 0 4 0 4 4 0 8 0 kqueuepl 216 11819 0 11800 178 176 2 8 0 8 0 pipepl 336 5819 0 5802 189 185 4 11 0 8 2 fdescpl 496 30434 0 30415 3 0 3 3 0 8 0 filepl 152 240694 0 240553 421 412 9 16 0 8 3 lockfpl 104 7999 0 7996 17 16 1 2 0 8 0 lockfspl 48 2169 0 2166 1 0 1 1 0 8 0 sessionpl 144 77 0 66 1 0 1 1 0 8 0 pgrppl 48 234 0 223 1 0 1 1 0 8 0 ucredpl 96 24272 0 24260 1 0 1 1 0 8 0 zombiepl 144 30419 0 30419 8 7 1 1 0 8 1 processpl 1064 30473 0 30419 4 0 4 4 0 8 0 procpl 672 83575 0 83512 74 67 7 7 0 8 1 srpgc 96 25 0 25 11 11 0 1 0 8 0 sosppl 168 137 0 137 32 32 0 1 0 8 0 sockpl 480 64456 0 64419 1340 1328 12 34 0 8 7 mcl64k 65536 47 0 0 4 1 3 3 0 8 0 mcl16k 16384 33 0 0 4 1 3 3 0 8 0 mcl12k 12288 28 0 0 2 0 2 2 0 8 0 mcl9k 9216 17 0 0 2 0 2 2 0 8 0 mcl8k 8192 92 0 0 10 2 8 8 0 8 0 mcl4k 4096 63 0 0 7 1 6 6 0 8 0 mcl2k2 2112 14 0 0 1 0 1 1 0 8 0 mcl2k 2048 672 0 0 53 3 50 50 0 8 0 mtagpl 96 1539 0 0 12 4 8 9 0 8 0 mbufpl 256 7067 0 0 346 0 346 346 0 8 0 bufpl 280 56086 0 49757 453 0 453 453 0 8 0 anonpl 24 8954595 0 8937074 550 422 128 139 0 186 12 amapchunkpl 152 1028620 0 1027894 351 320 31 43 0 158 0 amappl16 200 108298 0 107713 379 343 36 44 0 8 5 amappl15 192 8656 0 8651 1 0 1 1 0 8 0 amappl14 184 6467 0 6462 1 0 1 1 0 8 0 amappl13 176 5482 0 5480 1 0 1 1 0 8 0 amappl12 168 586 0 580 1 0 1 1 0 8 0 amappl11 160 5060 0 5042 1 0 1 1 0 8 0 amappl10 152 4993 0 4990 1 0 1 1 0 8 0 amappl9 144 2362 0 2359 1 0 1 1 0 8 0 amappl8 136 3737 0 3643 5 1 4 4 0 8 0 amappl7 128 2495 0 2485 1 0 1 1 0 8 0 amappl6 120 2398 0 2387 1 0 1 1 0 8 0 amappl5 112 27292 0 27258 15 13 2 2 0 8 0 amappl4 104 15211 0 15179 1 0 1 1 0 8 0 amappl3 96 3500 0 3467 1 0 1 1 0 8 0 amappl2 88 38339 0 38274 3 1 2 2 0 8 0 amappl1 80 517200 0 516745 14 4 10 13 0 8 0 amappl 88 380852 0 380577 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 64 131 0 1 3 0 3 3 0 8 0 uaddrrnd 24 30947 0 30623 2 0 2 2 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 30947 0 30623 2 0 2 2 0 8 0 vmmpekpl 168 182452 0 182410 6 3 3 3 0 8 0 vmmpepl 168 2800088 0 2797198 1081 947 134 168 0 357 6 vmsppl 368 30946 0 30623 33 3 30 30 0 8 0 rwobjpl 56 681601 0 680055 113 89 24 26 0 8 0 pdppl 4096 61901 0 61551 405 55 350 352 0 8 0 pvpl 32 15047063 0 15025900 1013 812 201 243 0 265 23 pmappl 224 30946 0 30623 24 4 20 20 0 8 1 extentpl 40 58 0 40 1 0 1 1 0 8 0 phpool 112 1805 0 734 36 5 31 31 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(fffffd806291ef00,28,18) at nd6_ns_input+0xdd4 nd6_dad_ns_input sys/netinet6/nd6_nbr.c:1342 [inline] nd6_ns_input(fffffd806291ef00,28,18) at nd6_ns_input+0xdd4 sys/netinet6/nd6_nbr.c:301 icmp6_input(ffff800021167ad8,ffff800021167ae4,3a,18) at icmp6_input+0xabe sys/netinet6/icmp6.c:686 ip_deliver(ffff800021167ad8,ffff800021167ae4,3a,18) at ip_deliver+0x322 sys/netinet/ip_input.c:658 ip6_input_if(ffff800021167ad8,ffff800021167ae4,29,0,ffff8000006ae000) at ip6_input_if+0x978 ipv6_input(ffff8000006ae000,fffffd807906b200) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 if_input_local(ffff8000006ae000,fffffd807906b200,18) at if_input_local+0x136 sys/net/if.c:778 loinput(ffff8000006ae000,fffffd807906b200) at loinput+0x4d sys/net/if_loop.c:238 if_input_process(ffff8000006ae000,ffff800021167c18) 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