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 *180449 55284 0 0x14000 0x200 0K softnet nd6_dad_duplicated(0) at nd6_dad_duplicated+0x28 sys/netinet6/nd6_nbr.c:1265 nd6_ns_input(fffffd80699a1b00,28,18) at nd6_ns_input+0xdd4 nd6_dad_ns_input sys/netinet6/nd6_nbr.c:1342 [inline] nd6_ns_input(fffffd80699a1b00,28,18) at nd6_ns_input+0xdd4 sys/netinet6/nd6_nbr.c:301 icmp6_input(ffff800021167888,ffff800021167894,3a,18) at icmp6_input+0xabe sys/netinet6/icmp6.c:686 ip_deliver(ffff800021167888,ffff800021167894,3a,18) at ip_deliver+0x322 sys/netinet/ip_input.c:658 ip6_input_if(ffff800021167888,ffff800021167894,29,0,ffff8000006ae000) at ip6_input_if+0x978 ipv6_input(ffff8000006ae000,fffffd806646a200) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 if_input_local(ffff8000006ae000,fffffd806646a200,18) at if_input_local+0x136 sys/net/if.c:778 loinput(ffff8000006ae000,fffffd806646a200) at loinput+0x4d sys/net/if_loop.c:238 if_input_process(ffff8000006ae000,ffff8000211679c8) 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(fffffd80699a1b00,28,18) at nd6_ns_input+0xdd4 nd6_dad_ns_input sys/netinet6/nd6_nbr.c:1342 [inline] nd6_ns_input(fffffd80699a1b00,28,18) at nd6_ns_input+0xdd4 sys/netinet6/nd6_nbr.c:301 icmp6_input(ffff800021167888,ffff800021167894,3a,18) at icmp6_input+0xabe sys/netinet6/icmp6.c:686 ip_deliver(ffff800021167888,ffff800021167894,3a,18) at ip_deliver+0x322 sys/netinet/ip_input.c:658 ip6_input_if(ffff800021167888,ffff800021167894,29,0,ffff8000006ae000) at ip6_input_if+0x978 ipv6_input(ffff8000006ae000,fffffd806646a200) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 if_input_local(ffff8000006ae000,fffffd806646a200,18) at if_input_local+0x136 sys/net/if.c:778 loinput(ffff8000006ae000,fffffd806646a200) at loinput+0x4d sys/net/if_loop.c:238 if_input_process(ffff8000006ae000,ffff8000211679c8) 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 0xffff800021167420 rbx 0 rdx 0 rcx 0x7 rax 0xffff800021148d20 r8 0xffffffff81aa0c0c nd6_ns_input+0x3bc r9 0x1 r10 0xe700380a25f6bb42 r11 0x90c6d7ae0b28094e r12 0 r13 0x2 r14 0 r15 0xffff800000c34300 rip 0xffffffff81aa3438 nd6_dad_duplicated+0x28 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000211673a0 ss 0x10 nd6_dad_duplicated+0x28: movq 0x10(%r14),%r13 ddb{0}> show proc PROC (softnet) pid=180449 stat=onproc flags process=14000 proc=200 pri=32, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff800021148fc0,0xffff800021148a90 process=0xffff8000ffffd8f0 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 81781 365143 90699 0 2 0 syz-executor.0 81781 62751 90699 0 2 0x4000000 syz-executor.0 90699 182845 9920 0 2 0x482 syz-executor.0 43702 116245 9920 0 2 0x2 syz-executor.1 30001 465174 1 0 3 0x100083 ttyin getty 92379 448681 0 0 3 0x14200 bored sosplice 9920 309409 14073 0 3 0x82 thrsleep syz-fuzzer 9920 277643 14073 0 3 0x4000082 nanoslp syz-fuzzer 9920 295053 14073 0 3 0x4000082 thrsleep syz-fuzzer 9920 237883 14073 0 3 0x4000082 thrsleep syz-fuzzer 9920 323768 14073 0 3 0x4000082 kqread syz-fuzzer 9920 76283 14073 0 3 0x4000082 thrsleep syz-fuzzer 9920 269339 14073 0 3 0x4000082 nanoslp syz-fuzzer 9920 359737 14073 0 3 0x4000082 thrsleep syz-fuzzer 14073 422953 48456 0 3 0x10008a sigsusp ksh 48456 255227 18972 0 3 0x9a kqread sshd 18972 499214 1 0 3 0x88 kqread sshd 42312 152866 47936 74 3 0x100092 bpf pflogd 47936 192632 1 0 3 0x80 netio pflogd 58558 99615 13127 73 3 0x100090 kqread syslogd 13127 214353 1 0 3 0x100082 netio syslogd 74419 333813 1 0 3 0x100080 kqread resolvd 34327 126025 94050 77 3 0x100092 kqread dhcpleased 90117 29937 94050 77 3 0x100092 kqread dhcpleased 94050 292045 1 0 3 0x80 kqread dhcpleased 75530 340342 0 0 3 0x14200 bored smr 205 303921 0 0 2 0x14200 zerothread 25523 29387 0 0 3 0x14200 aiodoned aiodoned 96604 65593 0 0 3 0x14200 syncer update 87699 248878 0 0 3 0x14200 cleaner cleaner 43122 357113 0 0 3 0x14200 reaper reaper 24880 87295 0 0 3 0x14200 pgdaemon pagedaemon 30726 496246 0 0 3 0x14200 bored viomb 5618 452703 0 0 3 0x40014200 acpi0 acpi0 22321 492351 0 0 7 0x40014200 idle1 *55284 180449 0 0 7 0x14200 softnet 2127 38621 0 0 2 0x14200 systqmp 95137 231559 0 0 3 0x14200 bored systq 10827 362900 0 0 3 0x40014200 bored softclock 91800 434165 0 0 3 0x40014200 idle0 1 104426 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 43702 (syz-executor.1) thread 0xffff800021237500 (116245) exclusive rrwlock inode r = 0 (0xfffffd806e201c58) #0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4b0 sys/kern/subr_witness.c:1182 #1 rw_enter+0x3e2 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534 #4 ufs_ihashins+0x42 sys/ufs/ufs/ufs_ihash.c:140 #5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1347 #6 ffs_inode_alloc+0x1c3 sys/ufs/ffs/ffs_alloc.c:394 #7 ufs_mkdir+0xf4 sys/ufs/ufs/ufs_vnops.c:1162 #8 VOP_MKDIR+0xbf sys/kern/vfs_vops.c:404 #9 domkdirat+0x121 sys/kern/vfs_syscalls.c:3065 #10 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #10 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd807ba772c0) #0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4b0 sys/kern/subr_witness.c:1182 #1 rw_enter+0x3e2 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:579 #5 vfs_lookup+0xdd sys/kern/vfs_lookup.c:413 #6 namei+0x55a sys/kern/vfs_lookup.c:245 #7 domkdirat+0x75 sys/kern/vfs_syscalls.c:3050 #8 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #8 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #9 Xsyscall+0x128 Process 55284 (softnet) thread 0xffff800021148d20 (180449) 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 10149 6461K 6969K 78643K 18670 0 pcb 14 8K 8K 78643K 763 0 rtable 113 16K 16K 78643K 1671 0 ifaddr 55 16K 17K 78643K 782 0 sysctl 2 0K 0K 78643K 2 0 counters 44 34K 34K 78643K 324 0 ioctlops 0 0K 4K 78643K 2397 0 iov 0 0K 32K 78643K 439 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 5 0 vnodes 1205 76K 77K 78643K 3933 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 49 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 5 13K 25K 78643K 6554 0 sigio 0 0K 0K 78643K 58 0 proc 72 87K 111K 78643K 1344 0 subproc 26 1K 1K 78643K 315 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 484 0 in_multi 30 2K 2K 78643K 805 0 ether_multi 1 0K 0K 78643K 132 0 mrt 2 0K 0K 78643K 36 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 97 440K 440K 78643K 97 0 exec 0 0K 2K 78643K 1385 0 pfkey data 0 0K 0K 78643K 2 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 391 643K 1180K 78643K 82130 0 UVM aobj 117 8K 8K 78643K 171 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 781 0 NDP 8 0K 0K 78643K 233 0 temp 90 4198K 4310K 78643K 142388 0 kqueue 12 18K 30K 78643K 503 0 SYN cache 2 8K 16K 78643K 3 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 120 398 0 395 1 0 1 1 0 8 0 rtentry 112 557 0 524 2 0 2 2 0 8 0 unpcb 128 2495 0 2480 4 2 2 2 0 8 1 syncache 296 16 0 16 6 6 0 1 0 8 0 tcpqe 32 105 0 105 4 4 0 1 0 8 0 tcpcb 736 1708 0 1700 19 17 2 3 0 8 0 arp 120 89 0 83 1 0 1 1 0 8 0 inpcb 304 8215 0 8204 15 13 2 2 0 8 1 rttmr 72 5 0 5 3 3 0 1 0 8 0 nd6 48 111 0 105 2 1 1 1 0 8 0 pkpcb 40 32 0 32 10 9 1 1 0 8 1 kcovpl 48 24 0 22 1 0 1 1 0 8 0 ppxss 1248 34 0 34 17 17 0 1 0 8 0 pffrag 232 23 0 20 5 4 1 1 0 482 0 pffrnode 88 22 0 19 5 4 1 1 0 8 0 pffrent 40 69 0 66 6 5 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 20 0 12 3 2 1 1 0 8 0 pfstitem 24 61 0 52 1 0 1 1 0 8 0 pfstkey 112 61 0 52 1 0 1 1 0 8 0 pfstate 320 61 0 52 3 1 2 2 0 8 0 pfrule 1360 66 0 50 2 0 2 2 0 8 0 art_heap8 4096 4 0 3 4 3 1 3 0 8 0 art_heap4 256 2375 0 2222 23 13 10 13 0 8 0 art_table 32 2379 0 2225 2 0 2 2 0 8 0 art_node 16 549 0 519 1 0 1 1 0 8 0 sysvmsgpl 40 16 0 7 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 10 0 0 1 0 1 1 0 8 0 shmpl 112 168 0 54 5 1 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 9783 0 8365 89 0 89 89 0 8 0 ffsino 272 9783 0 8365 95 0 95 95 0 8 0 nchpl 144 18762 0 18318 61 42 19 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 58635 0 58634 12 11 1 1 0 8 0 percpumem 16 174 0 140 1 0 1 1 0 8 0 vcpupl 2048 67 0 2 9 0 9 9 0 8 0 vmpool 560 76 0 11 5 0 5 5 0 8 0 pfiaddrpl 120 6 0 0 1 0 1 1 0 8 0 scsiplug 72 2 0 2 2 2 0 1 0 8 0 scxspl 216 69758 0 69758 28 27 1 8 0 8 1 plimitpl 152 561 0 552 1 0 1 1 0 8 0 sigapl 424 6784 0 6751 8 3 5 7 0 8 0 futexpl 64 91529 0 91529 13 12 1 1 0 8 1 knotepl 112 148 0 0 3 0 3 3 0 8 0 kqueuepl 216 1130 0 1109 8 6 2 2 0 8 0 pipepl 336 1149 0 1139 12 10 2 2 0 8 1 fdescpl 496 6727 0 6709 3 0 3 3 0 8 0 filepl 152 38254 0 38143 14 8 6 6 0 8 1 lockfpl 104 1535 0 1533 1 0 1 1 0 8 0 lockfspl 48 539 0 537 1 0 1 1 0 8 0 sessionpl 144 44 0 33 1 0 1 1 0 8 0 pgrppl 48 65 0 54 1 0 1 1 0 8 0 ucredpl 96 4902 0 4889 1 0 1 1 0 8 0 zombiepl 144 6751 0 6751 5 4 1 1 0 8 1 processpl 1064 6784 0 6751 4 1 3 4 0 8 0 procpl 672 16828 0 16787 7 2 5 6 0 8 0 srpgc 96 13 0 13 4 4 0 1 0 8 0 sosppl 168 73 0 73 20 19 1 1 0 8 1 sockpl 480 11238 0 11209 28 21 7 7 0 8 3 mcl64k 65536 19 0 0 3 0 3 3 0 8 0 mcl16k 16384 10 0 0 2 0 2 2 0 8 0 mcl12k 12288 17 0 0 2 0 2 2 0 8 0 mcl9k 9216 12 0 0 1 0 1 1 0 8 0 mcl8k 8192 17 0 0 3 0 3 3 0 8 0 mcl4k 4096 17 0 0 3 0 3 3 0 8 0 mcl2k2 2112 6 0 0 1 0 1 1 0 8 0 mcl2k 2048 200 0 0 23 0 23 23 0 8 0 mtagpl 96 70 0 0 1 0 1 1 0 8 0 mbufpl 256 559 0 0 20 0 20 20 0 8 0 bufpl 280 17299 0 10970 453 0 453 453 0 8 0 anonpl 24 1974692 0 1956427 362 228 134 142 0 186 16 amapchunkpl 152 319262 0 318588 4506 4475 31 4418 0 158 3 amappl16 200 19215 0 18548 214 170 44 48 0 8 8 amappl15 192 1705 0 1700 1 0 1 1 0 8 0 amappl14 184 1687 0 1684 2 1 1 1 0 8 0 amappl13 176 377 0 371 1 0 1 1 0 8 0 amappl12 168 219 0 215 1 0 1 1 0 8 0 amappl11 160 1541 0 1523 1 0 1 1 0 8 0 amappl10 152 433 0 428 1 0 1 1 0 8 0 amappl9 144 826 0 822 1 0 1 1 0 8 0 amappl8 136 1841 0 1759 4 1 3 3 0 8 0 amappl7 128 1098 0 1089 1 0 1 1 0 8 0 amappl6 120 733 0 714 1 0 1 1 0 8 0 amappl5 112 5642 0 5618 1 0 1 1 0 8 0 amappl4 104 3801 0 3773 1 0 1 1 0 8 0 amappl3 96 1061 0 1039 1 0 1 1 0 8 0 amappl2 88 7139 0 7082 3 1 2 2 0 8 0 amappl1 80 117439 0 116998 13 3 10 13 0 8 0 amappl 88 81175 0 80963 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 64 170 0 54 2 0 2 2 0 8 0 uaddrrnd 24 6803 0 6720 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 6803 0 6720 1 0 1 1 0 8 0 vmmpekpl 168 44432 0 44391 3 0 3 3 0 8 0 vmmpepl 168 614684 0 612559 432 306 126 129 0 357 26 vmsppl 368 6802 0 6720 8 0 8 8 0 8 0 rwobjpl 56 146809 0 145268 61 35 26 26 0 8 3 pdppl 4096 13614 0 13505 158 47 111 111 0 8 2 pvpl 32 3549448 0 3528732 593 390 203 240 0 265 25 pmappl 224 6802 0 6720 5 0 5 5 0 8 0 extentpl 40 58 0 40 1 0 1 1 0 8 0 phpool 112 491 0 103 12 0 12 12 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(fffffd80699a1b00,28,18) at nd6_ns_input+0xdd4 nd6_dad_ns_input sys/netinet6/nd6_nbr.c:1342 [inline] nd6_ns_input(fffffd80699a1b00,28,18) at nd6_ns_input+0xdd4 sys/netinet6/nd6_nbr.c:301 icmp6_input(ffff800021167888,ffff800021167894,3a,18) at icmp6_input+0xabe sys/netinet6/icmp6.c:686 ip_deliver(ffff800021167888,ffff800021167894,3a,18) at ip_deliver+0x322 sys/netinet/ip_input.c:658 ip6_input_if(ffff800021167888,ffff800021167894,29,0,ffff8000006ae000) at ip6_input_if+0x978 ipv6_input(ffff8000006ae000,fffffd806646a200) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 if_input_local(ffff8000006ae000,fffffd806646a200,18) at if_input_local+0x136 sys/net/if.c:778 loinput(ffff8000006ae000,fffffd806646a200) at loinput+0x4d sys/net/if_loop.c:238 if_input_process(ffff8000006ae000,ffff8000211679c8) 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