uvm_fault(0xffffffff8287e280, 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 *172533 11822 0 0x14000 0x200 0K softnet nd6_dad_duplicated(0) at nd6_dad_duplicated+0x28 sys/netinet6/nd6_nbr.c:1265 nd6_ns_input(fffffd8067b96100,28,18) at nd6_ns_input+0xdd4 nd6_dad_ns_input sys/netinet6/nd6_nbr.c:1342 [inline] nd6_ns_input(fffffd8067b96100,28,18) at nd6_ns_input+0xdd4 sys/netinet6/nd6_nbr.c:301 icmp6_input(ffff800021167d08,ffff800021167d14,3a,18) at icmp6_input+0xabe sys/netinet6/icmp6.c:686 ip_deliver(ffff800021167d08,ffff800021167d14,3a,18) at ip_deliver+0x322 sys/netinet/ip_input.c:658 ip6_input_if(ffff800021167d08,ffff800021167d14,29,0,ffff8000006ae000) at ip6_input_if+0x978 ipv6_input(ffff8000006ae000,fffffd80692c4700) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 if_input_local(ffff8000006ae000,fffffd80692c4700,18) at if_input_local+0x136 sys/net/if.c:778 loinput(ffff8000006ae000,fffffd80692c4700) at loinput+0x4d sys/net/if_loop.c:238 if_input_process(ffff8000006ae000,ffff800021167e48) 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(0xffffffff8287e280, 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(fffffd8067b96100,28,18) at nd6_ns_input+0xdd4 nd6_dad_ns_input sys/netinet6/nd6_nbr.c:1342 [inline] nd6_ns_input(fffffd8067b96100,28,18) at nd6_ns_input+0xdd4 sys/netinet6/nd6_nbr.c:301 icmp6_input(ffff800021167d08,ffff800021167d14,3a,18) at icmp6_input+0xabe sys/netinet6/icmp6.c:686 ip_deliver(ffff800021167d08,ffff800021167d14,3a,18) at ip_deliver+0x322 sys/netinet/ip_input.c:658 ip6_input_if(ffff800021167d08,ffff800021167d14,29,0,ffff8000006ae000) at ip6_input_if+0x978 ipv6_input(ffff8000006ae000,fffffd80692c4700) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 if_input_local(ffff8000006ae000,fffffd80692c4700,18) at if_input_local+0x136 sys/net/if.c:778 loinput(ffff8000006ae000,fffffd80692c4700) at loinput+0x4d sys/net/if_loop.c:238 if_input_process(ffff8000006ae000,ffff800021167e48) 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 0xffff8000211678a0 rbx 0 rdx 0 rcx 0x7 rax 0xffff800021148a80 r8 0xffffffff81820e8c nd6_ns_input+0x3bc r9 0x1 r10 0x5036028c1c420e67 r11 0xf2f044826c664989 r12 0 r13 0x3 r14 0 r15 0xffff800000cc2300 rip 0xffffffff818236b8 nd6_dad_duplicated+0x28 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800021167820 ss 0x10 nd6_dad_duplicated+0x28: movq 0x10(%r14),%r13 ddb{0}> show proc PROC (softnet) pid=172533 stat=onproc flags process=14000 proc=200 pri=32, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff800021148d20,0xffff8000211487f0 process=0xffff8000ffffdd50 user=0xffff800021162000, vmspace=0xffffffff8287e280 estcpu=0, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 97412 383889 68977 0 2 0 syz-executor.0 97412 193312 68977 0 2 0x4000000 syz-executor.0 57454 456485 68553 0 2 0 syz-executor.1 57454 435172 68553 0 2 0x4000000 syz-executor.1 68553 249665 47470 0 2 0x482 syz-executor.1 68977 119539 47470 0 3 0x82 nanoslp syz-executor.0 3598 310877 1 0 3 0x100083 ttyin getty 24232 453193 0 0 3 0x14280 nfsidl nfsio 55882 403320 0 0 3 0x14280 nfsidl nfsio 37502 191090 0 0 3 0x14280 nfsidl nfsio 42355 405108 0 0 3 0x14280 nfsidl nfsio 19510 470752 0 0 3 0x14280 nfsidl nfsio 83915 108447 0 0 3 0x14280 nfsidl nfsio 70954 72449 0 0 3 0x14280 nfsidl nfsio 80863 40161 0 0 3 0x14280 nfsidl nfsio 99412 434968 0 0 3 0x14280 nfsidl nfsio 91938 114351 0 0 3 0x14280 nfsidl nfsio 25097 232328 0 0 3 0x14280 nfsidl nfsio 52064 428250 0 0 3 0x14280 nfsidl nfsio 15991 333012 0 0 3 0x14280 nfsidl nfsio 94385 403366 0 0 3 0x14280 nfsidl nfsio 92175 395409 0 0 3 0x14280 nfsidl nfsio 313 158118 0 0 3 0x14280 nfsidl nfsio 83704 397680 0 0 3 0x14280 nfsidl nfsio 85690 281115 0 0 3 0x14280 nfsidl nfsio 8509 479414 0 0 3 0x14280 nfsidl nfsio 71444 29704 0 0 3 0x14280 nfsidl nfsio 50162 312826 0 0 3 0x14200 bored sosplice 47470 231049 5234 0 3 0x82 thrsleep syz-fuzzer 47470 191836 5234 0 3 0x4000082 thrsleep syz-fuzzer 47470 254953 5234 0 3 0x4000082 kqread syz-fuzzer 47470 444306 5234 0 3 0x4000082 thrsleep syz-fuzzer 47470 343747 5234 0 3 0x4000082 thrsleep syz-fuzzer 47470 312015 5234 0 3 0x4000082 thrsleep syz-fuzzer 47470 361392 5234 0 3 0x4000082 thrsleep syz-fuzzer 47470 52585 5234 0 3 0x4000082 thrsleep syz-fuzzer 5234 249597 27961 0 3 0x10008a sigsusp ksh 27961 53834 47967 0 3 0x9a kqread sshd 47967 329882 1 0 3 0x88 kqread sshd 6504 495603 84099 74 3 0x100092 bpf pflogd 84099 250165 1 0 3 0x80 netio pflogd 80129 245325 96630 73 3 0x100090 kqread syslogd 96630 256646 1 0 3 0x100082 netio syslogd 81249 41324 1 0 3 0x100080 kqread resolvd 18440 311732 0 0 3 0x14200 bored smr 53523 238433 0 0 2 0x14200 zerothread 75664 26221 0 0 3 0x14200 aiodoned aiodoned 79607 56766 0 0 3 0x14200 syncer update 44306 464472 0 0 3 0x14200 cleaner cleaner 39316 155532 0 0 3 0x14200 reaper reaper 81958 359491 0 0 3 0x14200 pgdaemon pagedaemon 36449 413480 0 0 3 0x14200 bored viomb 76827 57344 0 0 3 0x40014200 acpi0 acpi0 53661 215209 0 0 7 0x40014200 idle1 *11822 172533 0 0 7 0x14200 softnet 5689 194068 0 0 2 0x14200 systqmp 45109 196702 0 0 3 0x14200 bored systq 28236 370518 0 0 2 0x40014200 softclock 79155 366361 0 0 3 0x40014200 idle0 1 53817 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 11822 (softnet) thread 0xffff800021148a80 (172533) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82862d30) #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 (0xffffffff82804eb0) #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 10138 6529K 6744K 78643K 12910 0 pcb 14 8K 8K 78643K 1381 0 rtable 129 19K 19K 78643K 2966 0 ifaddr 65 17K 18K 78643K 1171 0 sysctl 2 0K 1K 78643K 8 0 counters 48 34K 35K 78643K 482 0 ioctlops 0 0K 4K 78643K 3130 0 iov 0 0K 32K 78643K 818 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1268 80K 81K 78643K 4040 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 128 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 2197 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12598 0 file desc 6 17K 25K 78643K 11923 0 sigio 0 0K 0K 78643K 72 0 proc 68 63K 111K 78643K 2001 0 subproc 66 4K 6K 78643K 1386 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 952 0 in_multi 30 2K 2K 78643K 1367 0 ether_multi 1 0K 0K 78643K 205 0 mrt 2 0K 0K 78643K 55 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 103 466K 466K 78643K 103 0 exec 0 0K 2K 78643K 2468 0 pfkey data 0 0K 0K 78643K 4 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 520 1144K 1160K 78643K 141662 0 UVM aobj 131 8K 8K 78643K 152 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 1K 78643K 1347 0 NDP 9 0K 0K 78643K 375 0 temp 101 4210K 8278K 78643K 217125 0 kqueue 7 12K 36K 78643K 809 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 1744 0 1743 1 0 1 1 0 8 0 rtentry 112 1012 0 977 2 0 2 2 0 8 0 unpcb 128 24280 0 24272 25 24 1 2 0 8 0 syncache 296 39 0 39 10 10 0 1 0 8 0 tcpqe 32 88 0 88 4 4 0 1 0 8 0 tcpcb 736 3194 0 3188 36 35 1 3 0 8 0 arp 120 151 0 145 1 0 1 1 0 8 0 inpcb 304 10224 0 10217 22 21 1 2 0 8 0 rttmr 72 10 0 10 6 6 0 1 0 8 0 nd6 48 220 0 213 2 1 1 1 0 8 0 pkpcb 40 82 0 82 25 25 0 1 0 8 0 kcovpl 48 42 0 40 1 0 1 1 0 8 0 ppxss 1248 48 0 48 29 28 1 1 0 8 1 pfstscr 40 8 0 8 2 2 0 1 0 8 0 pffrag 232 259 0 255 8 7 1 1 0 482 0 pffrnode 88 257 0 253 8 7 1 1 0 8 0 pffrent 40 7493 0 7489 8 7 1 1 0 8 0 pfosfp 40 1435 0 1008 5 0 5 5 0 8 0 pfosfpen 112 1435 0 716 21 0 21 21 0 8 0 pfrktable 1344 47 0 33 4 2 2 2 0 8 0 pfpktdelay 88 8 0 8 1 1 0 1 0 8 0 pftag 88 4 0 4 1 1 0 1 0 8 0 pfstitem 24 70 0 68 1 0 1 1 0 8 0 pfstkey 112 80 0 78 1 0 1 1 0 8 0 pfstate 320 74 0 72 3 2 1 3 0 8 0 pfrule 1360 172 0 131 4 0 4 4 0 8 0 art_heap8 4096 11 0 10 10 9 1 3 0 8 0 art_heap4 256 4956 0 4742 50 36 14 14 0 8 0 art_table 32 4967 0 4752 2 0 2 2 0 8 0 art_node 16 1005 0 972 1 0 1 1 0 8 0 sysvmsgpl 40 29 0 9 1 0 1 1 0 8 0 semapl 112 2195 0 2185 1 0 1 1 0 8 0 shmpl 112 149 0 21 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 16353 0 14897 93 1 92 92 0 8 0 ffsino 272 16353 0 14897 99 1 98 98 0 8 0 nchpl 144 33971 0 33524 61 42 19 61 0 8 0 uvmvnodes 72 6834 0 0 125 0 125 125 0 8 0 vnodes 224 6834 0 0 402 0 402 402 0 8 0 namei 1024 102822 0 102822 20 19 1 1 0 8 1 percpumem 16 253 0 217 1 0 1 1 0 8 0 vcpupl 2048 129 0 0 17 0 17 17 0 8 0 vmpool 560 199 0 70 12 2 10 10 0 8 0 pfiaddrpl 120 18 0 4 1 0 1 1 0 8 0 scsiplug 72 11 0 11 9 9 0 1 0 8 0 scxspl 216 116406 0 116406 35 33 2 8 0 8 2 plimitpl 152 949 0 941 1 0 1 1 0 8 0 sigapl 424 12113 0 12062 8 1 7 7 0 8 0 futexpl 64 203809 0 203809 18 17 1 1 0 8 1 knotepl 112 190 0 0 4 1 3 3 0 8 0 kqueuepl 216 2392 0 2372 12 10 2 2 0 8 0 pipepl 336 1731 0 1721 10 8 2 2 0 8 0 fdescpl 496 12055 0 12039 3 0 3 3 0 8 0 filepl 152 84767 0 84635 30 24 6 8 0 8 0 lockfpl 104 2605 0 2603 1 0 1 1 0 8 0 lockfspl 48 793 0 791 1 0 1 1 0 8 0 sessionpl 144 63 0 53 1 0 1 1 0 8 0 pgrppl 48 87 0 77 1 0 1 1 0 8 0 ucredpl 96 8474 0 8461 1 0 1 1 0 8 0 zombiepl 144 12062 0 12062 8 7 1 1 0 8 1 processpl 1072 12113 0 12062 4 0 4 4 0 8 0 procpl 672 26460 0 26400 8 2 6 7 0 8 0 srpgc 96 21 0 21 10 10 0 1 0 8 0 sosppl 168 180 0 180 35 35 0 1 0 8 0 sockpl 480 36351 0 36335 61 56 5 7 0 8 2 mcl64k 65536 14 0 0 2 0 2 2 0 8 0 mcl16k 16384 4 0 0 1 0 1 1 0 8 0 mcl12k 12288 16 0 0 2 0 2 2 0 8 0 mcl9k 9216 4 0 0 1 0 1 1 0 8 0 mcl8k 8192 15 0 0 2 0 2 2 0 8 0 mcl4k 4096 9 0 0 2 0 2 2 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 226 0 0 26 2 24 26 0 8 0 mtagpl 96 2 0 0 1 0 1 1 0 8 0 mbufpl 256 1176 0 0 30 0 30 30 0 8 0 bufpl 280 29858 0 23545 491 3 488 491 0 8 0 anonpl 24 3323965 0 3305260 585 449 136 148 0 186 20 amapchunkpl 152 345196 0 344486 212 175 37 42 0 158 9 amappl16 200 32919 0 32246 311 267 44 52 0 8 8 amappl15 192 1439 0 1434 1 0 1 1 0 8 0 amappl14 184 1267 0 1265 1 0 1 1 0 8 0 amappl13 176 1913 0 1910 1 0 1 1 0 8 0 amappl12 168 1205 0 1202 1 0 1 1 0 8 0 amappl11 160 2816 0 2805 1 0 1 1 0 8 0 amappl10 152 1683 0 1678 1 0 1 1 0 8 0 amappl9 144 1017 0 1016 1 0 1 1 0 8 0 amappl8 136 3121 0 3000 5 0 5 5 0 8 0 amappl7 128 2027 0 2018 1 0 1 1 0 8 0 amappl6 120 1018 0 1006 1 0 1 1 0 8 0 amappl5 112 9600 0 9568 1 0 1 1 0 8 0 amappl4 104 6155 0 6127 1 0 1 1 0 8 0 amappl3 96 3747 0 3721 1 0 1 1 0 8 0 amappl2 88 15109 0 15042 2 0 2 2 0 8 0 amappl1 80 194754 0 194347 14 3 11 13 0 8 0 amappl 88 140232 0 139985 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 64 151 0 21 3 0 3 3 0 8 0 uaddrrnd 24 12254 0 12109 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 12254 0 12109 1 0 1 1 0 8 0 vmmpekpl 168 66315 0 66262 4 1 3 3 0 8 0 vmmpepl 168 1073660 0 1071344 627 506 121 131 0 357 14 vmsppl 368 12253 0 12109 15 1 14 14 0 8 0 rwobjpl 56 241312 0 239740 63 37 26 26 0 8 2 pdppl 4096 24516 0 24347 260 91 169 169 0 8 0 pvpl 32 5903595 0 5883504 848 634 214 235 0 265 43 pmappl 224 12253 0 12109 11 2 9 9 0 8 0 extentpl 40 58 0 40 1 0 1 1 0 8 0 phpool 112 683 0 205 15 1 14 14 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(fffffd8067b96100,28,18) at nd6_ns_input+0xdd4 nd6_dad_ns_input sys/netinet6/nd6_nbr.c:1342 [inline] nd6_ns_input(fffffd8067b96100,28,18) at nd6_ns_input+0xdd4 sys/netinet6/nd6_nbr.c:301 icmp6_input(ffff800021167d08,ffff800021167d14,3a,18) at icmp6_input+0xabe sys/netinet6/icmp6.c:686 ip_deliver(ffff800021167d08,ffff800021167d14,3a,18) at ip_deliver+0x322 sys/netinet/ip_input.c:658 ip6_input_if(ffff800021167d08,ffff800021167d14,29,0,ffff8000006ae000) at ip6_input_if+0x978 ipv6_input(ffff8000006ae000,fffffd80692c4700) at ipv6_input+0x48 sys/netinet6/ip6_input.c:171 if_input_local(ffff8000006ae000,fffffd80692c4700,18) at if_input_local+0x136 sys/net/if.c:778 loinput(ffff8000006ae000,fffffd80692c4700) at loinput+0x4d sys/net/if_loop.c:238 if_input_process(ffff8000006ae000,ffff800021167e48) 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