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 *109899 61558 0 0x14000 0x200 0K softnet nd6_dad_duplicated(0) at nd6_dad_duplicated+0x28 sys/netinet6/nd6_nbr.c:1265 nd6_ns_input(fffffd807a4c4400,28,18) at nd6_ns_input+0xdd4 nd6_dad_ns_input sys/netinet6/nd6_nbr.c:1342 [inline] nd6_ns_input(fffffd807a4c4400,28,18) at nd6_ns_input+0xdd4 sys/netinet6/nd6_nbr.c:301 icmp6_input(ffff800021167a48,ffff800021167a54,3a,18) at icmp6_input+0xabe sys/netinet6/icmp6.c:686 ip_deliver(ffff800021167a48,ffff800021167a54,3a,18) at ip_deliver+0x322 sys/netinet/ip_input.c:658 ip6_input_if(ffff800021167a48,ffff800021167a54,29,0,ffff8000006ae000) at ip6_input_if+0x978 ipv6_input(ffff8000006ae000,fffffd80759e6500) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 if_input_local(ffff8000006ae000,fffffd80759e6500,18) at if_input_local+0x136 sys/net/if.c:778 loinput(ffff8000006ae000,fffffd80759e6500) at loinput+0x4d sys/net/if_loop.c:238 if_input_process(ffff8000006ae000,ffff800021167b88) 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(fffffd807a4c4400,28,18) at nd6_ns_input+0xdd4 nd6_dad_ns_input sys/netinet6/nd6_nbr.c:1342 [inline] nd6_ns_input(fffffd807a4c4400,28,18) at nd6_ns_input+0xdd4 sys/netinet6/nd6_nbr.c:301 icmp6_input(ffff800021167a48,ffff800021167a54,3a,18) at icmp6_input+0xabe sys/netinet6/icmp6.c:686 ip_deliver(ffff800021167a48,ffff800021167a54,3a,18) at ip_deliver+0x322 sys/netinet/ip_input.c:658 ip6_input_if(ffff800021167a48,ffff800021167a54,29,0,ffff8000006ae000) at ip6_input_if+0x978 ipv6_input(ffff8000006ae000,fffffd80759e6500) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 if_input_local(ffff8000006ae000,fffffd80759e6500,18) at if_input_local+0x136 sys/net/if.c:778 loinput(ffff8000006ae000,fffffd80759e6500) at loinput+0x4d sys/net/if_loop.c:238 if_input_process(ffff8000006ae000,ffff800021167b88) 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 0xffff8000211675e0 rbx 0 rdx 0 rcx 0x7 rax 0xffff800021148000 r8 0xffffffff8151016c nd6_ns_input+0x3bc r9 0x1 r10 0xef3e592db20b5b10 r11 0x5bf37fbb16b59e29 r12 0 r13 0x2 r14 0 r15 0xffff800000d78d00 rip 0xffffffff81512998 nd6_dad_duplicated+0x28 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800021167560 ss 0x10 nd6_dad_duplicated+0x28: movq 0x10(%r14),%r13 ddb{0}> show proc PROC (softnet) pid=109899 stat=onproc flags process=14000 proc=200 pri=32, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff8000211487e0,0xffff8000211482b0 process=0xffff8000ffffd0a0 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 81277 57393 25407 0 2 0 syz-executor.0 81277 358290 25407 0 3 0x4000080 fsleep syz-executor.0 89822 123882 13480 0 2 0 syz-executor.1 89822 227387 13480 0 2 0x4000000 syz-executor.1 13480 51729 5902 0 3 0x82 nanoslp syz-executor.1 25407 25395 5902 0 3 0x82 nanoslp syz-executor.0 41622 302857 1 0 3 0x100083 ttyin getty 70007 339591 0 0 3 0x14200 acct acct 97475 362573 0 0 3 0x14280 nfsidl nfsio 74339 363735 0 0 3 0x14280 nfsidl nfsio 62304 147152 0 0 3 0x14280 nfsidl nfsio 48321 414408 0 0 3 0x14280 nfsidl nfsio 81344 472861 0 0 3 0x14280 nfsidl nfsio 41651 163291 0 0 3 0x14280 nfsidl nfsio 1570 262494 0 0 3 0x14280 nfsidl nfsio 87049 122563 0 0 3 0x14280 nfsidl nfsio 74484 18081 0 0 3 0x14280 nfsidl nfsio 85032 109926 0 0 3 0x14280 nfsidl nfsio 81712 490656 0 0 3 0x14280 nfsidl nfsio 59919 115624 0 0 3 0x14280 nfsidl nfsio 66597 49528 0 0 3 0x14280 nfsidl nfsio 12554 511989 0 0 3 0x14280 nfsidl nfsio 33828 43575 0 0 3 0x14280 nfsidl nfsio 21491 134359 0 0 3 0x14280 nfsidl nfsio 37189 91838 0 0 3 0x14280 nfsidl nfsio 85900 14677 0 0 3 0x14280 nfsidl nfsio 47511 263700 0 0 3 0x14280 nfsidl nfsio 7291 524012 0 0 3 0x14280 nfsidl nfsio 24806 103747 0 0 3 0x14200 bored sosplice 5902 253484 13098 0 3 0x82 thrsleep syz-fuzzer 5902 470557 13098 0 3 0x4000082 thrsleep syz-fuzzer 5902 112068 13098 0 3 0x4000082 thrsleep syz-fuzzer 5902 110361 13098 0 3 0x4000082 thrsleep syz-fuzzer 5902 35604 13098 0 3 0x4000082 thrsleep syz-fuzzer 5902 341716 13098 0 3 0x4000082 thrsleep syz-fuzzer 5902 140612 13098 0 3 0x4000082 kqread syz-fuzzer 5902 22309 13098 0 3 0x4000082 thrsleep syz-fuzzer 13098 62293 97580 0 3 0x10008a sigsusp ksh 97580 271447 3527 0 3 0x9a kqread sshd 3527 486527 1 0 3 0x88 kqread sshd 83516 320181 52913 74 3 0x100092 bpf pflogd 52913 134780 1 0 3 0x80 netio pflogd 35413 159620 82004 73 3 0x100090 kqread syslogd 82004 465699 1 0 3 0x100082 netio syslogd 48001 460014 1 0 3 0x100080 kqread resolvd 37400 121961 76033 77 3 0x100092 kqread dhcpleased 10484 516061 76033 77 3 0x100092 kqread dhcpleased 76033 319528 1 0 3 0x80 kqread dhcpleased 67930 25463 0 0 3 0x14200 bored smr 62853 160954 0 0 2 0x14200 zerothread 91206 5138 0 0 3 0x14200 aiodoned aiodoned 92709 412187 0 0 3 0x14200 syncer update 35886 135917 0 0 3 0x14200 cleaner cleaner 17023 235690 0 0 3 0x14200 reaper reaper 83811 61619 0 0 3 0x14200 pgdaemon pagedaemon 68000 159682 0 0 3 0x14200 bored viomb 63174 27525 0 0 3 0x40014200 acpi0 acpi0 59551 134242 0 0 7 0x40014200 idle1 *61558 109899 0 0 7 0x14200 softnet 31877 446055 0 0 2 0x14200 systqmp 21987 129431 0 0 3 0x14200 bored systq 88727 320596 0 0 3 0x40014200 bored softclock 8317 138900 0 0 3 0x40014200 idle0 1 115091 0 0 3 0x80082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 61558 (softnet) thread 0xffff800021148000 (109899) 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 6443K 7414K 78643K 89109 0 pcb 14 20K 22K 78643K 3687 0 rtable 170 27K 29K 78643K 4089 0 ifaddr 78 26K 30K 78643K 1520 0 sysctl 2 0K 0K 78643K 2 0 counters 44 34K 34K 78643K 548 0 ioctlops 0 0K 4K 78643K 6335 0 iov 0 0K 24K 78643K 1866 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 5 0 vnodes 1389 87K 88K 78643K 24628 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 181 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 3277 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12598 0 file desc 6 17K 25K 78643K 21400 0 sigio 0 0K 0K 78643K 479 0 proc 71 87K 111K 78643K 2717 0 subproc 26 1K 5K 78643K 773 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 1647 0 in_multi 30 2K 2K 78643K 1498 0 ether_multi 1 0K 0K 78643K 319 0 mrt 3 0K 0K 78643K 84 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 241 1076K 1076K 78643K 241 0 exec 0 0K 2K 78643K 3937 0 pfkey data 0 0K 1K 78643K 75 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 577 1544K 1545K 78643K 277006 0 UVM aobj 131 9K 9K 78643K 138 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 1535 0 NDP 7 0K 0K 78643K 408 0 temp 114 4252K 4330K 78643K 304084 0 kqueue 12 18K 28K 78643K 1004 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 1123 0 1120 11 10 1 3 0 8 0 rtentry 112 975 0 940 2 0 2 2 0 8 0 unpcb 128 18197 0 18182 193 192 1 9 0 8 0 syncache 296 56 0 56 16 16 0 1 0 8 0 sackhl 24 1 0 1 1 1 0 1 0 8 0 tcpqe 32 17 0 17 7 7 0 1 0 8 0 tcpcb 736 8480 0 8476 311 308 3 14 0 8 2 arp 120 133 0 127 1 0 1 1 0 8 0 inpcb 304 28423 0 28352 392 386 6 20 0 8 0 rttmr 72 20 0 20 5 5 0 1 0 8 0 nd6 48 226 0 220 4 3 1 1 0 8 0 pkpcb 40 210 0 210 24 24 0 1 0 8 0 kcovpl 48 53 0 51 1 0 1 1 0 8 0 ppxss 1248 76 0 76 23 23 0 1 0 8 0 pfstscr 40 24 0 24 6 6 0 1 0 8 0 pffrag 232 229 0 228 18 17 1 1 0 482 0 pffrnode 88 229 0 228 18 17 1 1 0 8 0 pffrent 40 1948 0 1947 22 21 1 1 0 8 0 pfosfp 40 1439 0 1014 5 0 5 5 0 8 0 pfosfpen 112 1439 0 723 21 0 21 21 0 8 0 pfrktable 1344 410 0 380 11 8 3 3 0 8 0 pftag 88 8 0 4 1 0 1 1 0 8 0 pfqueue 264 22 0 18 6 5 1 1 0 8 0 pfstitem 24 59 0 57 1 0 1 1 0 8 0 pfstkey 112 107 0 105 1 0 1 1 0 8 0 pfstate 320 77 0 75 3 2 1 3 0 8 0 pfsrctr 152 49 0 49 8 8 0 1 0 8 0 pfrule 1360 2405 0 2193 26 8 18 18 0 8 0 art_heap8 4096 4 0 3 3 2 1 3 0 8 0 art_heap4 256 4757 0 4597 46 35 11 17 0 8 1 art_table 32 4761 0 4600 3 1 2 3 0 8 0 art_node 16 938 0 907 1 0 1 1 0 8 0 sysvmsgpl 40 17 0 10 1 0 1 1 0 8 0 semupl 112 4 0 4 1 1 0 1 0 8 0 semapl 112 3272 0 3262 1 0 1 1 0 8 0 shmpl 112 135 0 7 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 29738 0 28243 95 1 94 94 0 8 0 ffsino 272 29738 0 28243 101 1 100 100 0 8 0 nchpl 144 58341 0 56738 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 210936 0 210936 5 4 1 1 0 8 1 percpumem 16 286 0 252 1 0 1 1 0 8 0 vcpupl 2048 210 0 0 27 0 27 27 0 8 0 vmpool 560 289 0 79 18 3 15 16 0 8 0 pfiaddrpl 120 277 0 191 4 1 3 3 0 8 0 scsiplug 72 14 0 14 5 5 0 1 0 8 0 scxspl 216 181433 0 181433 39 38 1 8 0 8 1 plimitpl 152 2289 0 2280 1 0 1 1 0 8 0 sigapl 424 21522 0 21467 7 0 7 7 0 8 0 futexpl 64 204582 0 204581 4 3 1 1 0 8 0 knotepl 112 240 0 0 3 1 2 3 0 8 0 kqueuepl 216 6589 0 6572 134 131 3 9 0 8 2 pipepl 336 4332 0 4322 175 173 2 11 0 8 1 fdescpl 496 21484 0 21465 3 0 3 3 0 8 0 filepl 152 160570 0 160459 357 352 5 14 0 8 0 lockfpl 104 6105 0 6103 14 13 1 2 0 8 0 lockfspl 48 1637 0 1635 1 0 1 1 0 8 0 sessionpl 144 71 0 60 1 0 1 1 0 8 0 pgrppl 48 101 0 90 1 0 1 1 0 8 0 ucredpl 96 17462 0 17450 1 0 1 1 0 8 0 zombiepl 144 21467 0 21467 5 4 1 1 0 8 1 processpl 1064 21522 0 21467 4 0 4 4 0 8 0 procpl 672 64876 0 64812 46 39 7 8 0 8 0 srpgc 96 20 0 20 10 10 0 1 0 8 0 sosppl 168 167 0 167 34 34 0 1 0 8 0 sockpl 480 48306 0 48217 1092 1080 12 41 0 8 0 mcl64k 65536 41 0 0 3 0 3 3 0 8 0 mcl16k 16384 35 0 0 5 3 2 3 0 8 0 mcl12k 12288 44 0 0 3 1 2 2 0 8 0 mcl9k 9216 25 0 0 2 0 2 2 0 8 0 mcl8k 8192 41 0 0 5 2 3 3 0 8 0 mcl4k 4096 66 0 0 6 2 4 4 0 8 0 mcl2k2 2112 14 0 0 1 0 1 1 0 8 0 mcl2k 2048 1131 0 0 93 9 84 86 0 8 0 mtagpl 96 1740 0 0 13 0 13 13 0 8 0 mbufpl 256 3692 0 0 142 0 142 142 0 8 0 bufpl 280 42279 0 35950 453 0 453 453 0 8 0 anonpl 24 6235698 0 6215116 443 307 136 167 0 186 0 amapchunkpl 152 688924 0 688169 147 117 30 42 0 158 0 amappl16 200 58270 0 57415 281 235 46 71 0 8 0 amappl15 192 3795 0 3789 1 0 1 1 0 8 0 amappl14 184 2924 0 2920 1 0 1 1 0 8 0 amappl13 176 816 0 815 1 0 1 1 0 8 0 amappl12 168 2748 0 2746 1 0 1 1 0 8 0 amappl11 160 2521 0 2501 1 0 1 1 0 8 0 amappl10 152 3680 0 3674 1 0 1 1 0 8 0 amappl9 144 3178 0 3176 1 0 1 1 0 8 0 amappl8 136 6029 0 5929 5 1 4 4 0 8 0 amappl7 128 4871 0 4861 1 0 1 1 0 8 0 amappl6 120 3199 0 3185 1 0 1 1 0 8 0 amappl5 112 21269 0 21241 1 0 1 1 0 8 0 amappl4 104 7453 0 7417 1 0 1 1 0 8 0 amappl3 96 4801 0 4775 1 0 1 1 0 8 0 amappl2 88 24152 0 24085 10 8 2 2 0 8 0 amappl1 80 375357 0 374895 14 4 10 13 0 8 0 amappl 88 275240 0 274944 8 1 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 64 137 0 7 3 0 3 3 0 8 0 uaddrrnd 24 21773 0 21544 2 0 2 2 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 21773 0 21544 2 0 2 2 0 8 0 vmmpekpl 168 136327 0 136282 3 0 3 3 0 8 0 vmmpepl 168 1993582 0 1990781 1014 861 153 154 0 357 28 vmsppl 368 21772 0 21544 23 2 21 21 0 8 0 rwobjpl 56 482185 0 480342 86 59 27 33 0 8 0 pdppl 4096 43553 0 43298 301 46 255 257 0 8 0 pvpl 32 10159511 0 10139003 661 478 183 225 0 265 0 pmappl 224 21772 0 21544 14 0 14 14 0 8 0 extentpl 40 58 0 40 1 0 1 1 0 8 0 phpool 112 1373 0 598 24 1 23 23 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(fffffd807a4c4400,28,18) at nd6_ns_input+0xdd4 nd6_dad_ns_input sys/netinet6/nd6_nbr.c:1342 [inline] nd6_ns_input(fffffd807a4c4400,28,18) at nd6_ns_input+0xdd4 sys/netinet6/nd6_nbr.c:301 icmp6_input(ffff800021167a48,ffff800021167a54,3a,18) at icmp6_input+0xabe sys/netinet6/icmp6.c:686 ip_deliver(ffff800021167a48,ffff800021167a54,3a,18) at ip_deliver+0x322 sys/netinet/ip_input.c:658 ip6_input_if(ffff800021167a48,ffff800021167a54,29,0,ffff8000006ae000) at ip6_input_if+0x978 ipv6_input(ffff8000006ae000,fffffd80759e6500) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 if_input_local(ffff8000006ae000,fffffd80759e6500,18) at if_input_local+0x136 sys/net/if.c:778 loinput(ffff8000006ae000,fffffd80759e6500) at loinput+0x4d sys/net/if_loop.c:238 if_input_process(ffff8000006ae000,ffff800021167b88) 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