kernel: page fault trap, code=10 Stopped at acpi_pdirpa+0xd55ea: uvm_fault(0xfffffd806c6af540, 0xe9779, 0, 1) -> e kernel: page fault trap, code=0 Stopped at db_read_bytes+0x110: movzbl 0xffffffffffffffff(%r15),%eax TID PID UID PRFLAGS PFLAGS CPU COMMAND *121893 78186 0 0 0x4000000 0K syz-executor db_read_bytes(e9779,1,ffff80002e59de84) at db_read_bytes+0x110 sys/arch/amd64/amd64/db_memrw.c:85 db_get_value(e9779,1,0) at db_get_value+0x59 db_disasm(e9779,0) at db_disasm+0x94 db_trap(6,10) at db_trap+0x181 sys/ddb/db_trap.c:71 db_ktrap(6,10,ffff80002e59e120) at db_ktrap+0x303 sys/arch/amd64/amd64/db_interface.c:151 kerntrap(ffff80002e59e120) at kerntrap+0x1dc sys/arch/amd64/amd64/trap.c:323 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b acpi_pdirpa() at acpi_pdirpa+0xd55ea rt_clone(ffff80002e59e3f8,fffffd806f10a720,0) at rt_clone+0x98 sys/net/route.c:383 route_mpath(fffffd806f10a708,fffffd807579f924,0,0) at route_mpath+0x170 rt_match sys/net/route.c:360 [inline] route_mpath(fffffd806f10a708,fffffd807579f924,0,0) at route_mpath+0x170 rtalloc_mpath sys/net/route.c:476 [inline] route_mpath(fffffd806f10a708,fffffd807579f924,0,0) at route_mpath+0x170 sys/net/route.c:255 in_pcbselsrc(ffff80002e59e4e8,fffffd807579f920,fffffd806f10a690) at in_pcbselsrc+0x250 in_pcbconnect(fffffd806f10a690,fffffd807579f900) at in_pcbconnect+0x11a sys/netinet/in_pcb.c:522 tcp_connect(ffff800001288010,fffffd807579f900) at tcp_connect+0x3cb sys/netinet/tcp_usrreq.c:654 sys_connect(ffff8000ffff6cc8,ffff80002e59e710,ffff80002e59e660) at sys_connect+0x345 sys/kern/uipc_syscalls.c:422 end trace frame: 0xffff80002e59e700, count: 0 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(0xfffffd806c6af540, 0xe9779, 0, 1) -> e ddb{0}> trace db_read_bytes(e9779,1,ffff80002e59de84) at db_read_bytes+0x110 sys/arch/amd64/amd64/db_memrw.c:85 db_get_value(e9779,1,0) at db_get_value+0x59 db_disasm(e9779,0) at db_disasm+0x94 db_trap(6,10) at db_trap+0x181 sys/ddb/db_trap.c:71 db_ktrap(6,10,ffff80002e59e120) at db_ktrap+0x303 sys/arch/amd64/amd64/db_interface.c:151 kerntrap(ffff80002e59e120) at kerntrap+0x1dc sys/arch/amd64/amd64/trap.c:323 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b acpi_pdirpa() at acpi_pdirpa+0xd55ea rt_clone(ffff80002e59e3f8,fffffd806f10a720,0) at rt_clone+0x98 sys/net/route.c:383 route_mpath(fffffd806f10a708,fffffd807579f924,0,0) at route_mpath+0x170 rt_match sys/net/route.c:360 [inline] route_mpath(fffffd806f10a708,fffffd807579f924,0,0) at route_mpath+0x170 rtalloc_mpath sys/net/route.c:476 [inline] route_mpath(fffffd806f10a708,fffffd807579f924,0,0) at route_mpath+0x170 sys/net/route.c:255 in_pcbselsrc(ffff80002e59e4e8,fffffd807579f920,fffffd806f10a690) at in_pcbselsrc+0x250 in_pcbconnect(fffffd806f10a690,fffffd807579f900) at in_pcbconnect+0x11a sys/netinet/in_pcb.c:522 tcp_connect(ffff800001288010,fffffd807579f900) at tcp_connect+0x3cb sys/netinet/tcp_usrreq.c:654 sys_connect(ffff8000ffff6cc8,ffff80002e59e710,ffff80002e59e660) at sys_connect+0x345 sys/kern/uipc_syscalls.c:422 syscall(ffff80002e59e710) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002e59e710) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x9ca9afa51f0, count: -16 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80002e59de70 rbx 0x1 rdx 0xffff800001297ec0 rcx 0xffff8000ffff6cc8 rax 0xffffffff834c9ff0 cpu_info_full_primary+0x1ff0 r8 0xffff80002e59dfa0 r9 0x8080808080808080 r10 0xcd0102336f199259 r11 0xbbe0b4d70f4a8785 r12 0x1 r13 0x1 r14 0xffff80002e59de85 r15 0xe977a acpi_pdirpa+0xd55eb rip 0xffffffff81d78100 db_read_bytes+0x110 cs 0x8 rflags 0x10282 __ALIGN_SIZE+0xf282 rsp 0xffff80002e59de10 ss 0x10 db_read_bytes+0x110: movzbl 0xffffffffffffffff(%r15),%eax ddb{0}> show proc PROC (syz-executor) tid=121893 pid=78186 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000ffff7970,0xffff8000ffff76f8 process=0xffff80002f249b38 user=0xffff80002e599000, vmspace=0xfffffd806c6af540 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 13595 230237 41974 0 2 0 syz-executor 13595 251180 41974 0 3 0x4000080 fsleep syz-executor 78186 322048 76962 0 2 0 syz-executor *78186 121893 76962 0 7 0x4000000 syz-executor 25081 335186 98347 0 2 0x100002 sh 315 465019 65693 0 2 0 syz-executor 315 228751 65693 0 3 0x4000080 fsleep syz-executor 38217 75285 65089 0 2 0 syz-executor 38217 128207 65089 0 3 0x4000080 fsleep syz-executor 45423 211407 98895 0 2 0x10 syz-executor 45423 344744 98895 0 3 0x4000090 fsleep syz-executor 98347 502139 4391 0 3 0x82 wait syz-executor 75465 454175 4391 0 2 0x482 syz-executor 41974 172412 4391 0 2 0x482 syz-executor 65693 215919 4391 0 3 0x82 nanoslp syz-executor 32058 261139 4391 0 2 0x2 syz-executor 65089 290708 4391 0 3 0x82 nanoslp syz-executor 98895 43018 4391 0 3 0x82 nanoslp syz-executor 76962 204249 4391 0 3 0x82 nanoslp syz-executor 62507 430852 0 0 3 0x14280 nfsidl nfsio 56662 216597 0 0 3 0x14280 nfsidl nfsio 97002 230100 0 0 3 0x14280 nfsidl nfsio 39768 210635 0 0 3 0x14280 nfsidl nfsio 192 290212 0 0 3 0x14280 nfsidl nfsio 55471 412959 0 0 3 0x14280 nfsidl nfsio 8776 131431 0 0 3 0x14280 nfsidl nfsio 18289 275984 0 0 3 0x14280 nfsidl nfsio 95029 50920 0 0 3 0x14280 nfsidl nfsio 63672 384406 0 0 3 0x14280 nfsidl nfsio 79380 480288 0 0 3 0x14280 nfsidl nfsio 26067 427379 0 0 3 0x14280 nfsidl nfsio 54709 129210 0 0 3 0x14280 nfsidl nfsio 98061 473982 0 0 3 0x14280 nfsidl nfsio 82803 110630 0 0 3 0x14280 nfsidl nfsio 91382 128846 0 0 3 0x14280 nfsidl nfsio 56315 498104 0 0 3 0x14280 nfsidl nfsio 33814 101826 0 0 3 0x14280 nfsidl nfsio 58493 134685 0 0 3 0x14280 nfsidl nfsio 21159 398304 0 0 3 0x14280 nfsidl nfsio 39181 502175 0 0 3 0x14200 acct acct 35682 32423 0 0 3 0x14200 bored sosplice 4391 61494 87917 0 3 0x82 kqread syz-executor 87917 502481 97822 0 3 0x10008a sigsusp ksh 97822 484370 9436 0 3 0x98 kqread sshd-session 9436 55392 19697 0 3 0x92 kqread sshd-session 76316 109588 1 0 3 0x100083 ttyin getty 19697 440323 1 0 3 0x88 kqread sshd 30519 155607 92628 74 3 0x1100092 bpf pflogd 92628 506576 1 0 3 0x80 sbwait pflogd 53505 505548 37774 73 3 0x1100090 kqread syslogd 37774 367468 1 0 3 0x100082 sbwait syslogd 98524 347045 1 0 3 0x100080 kqread resolvd 30969 269307 36059 77 3 0x100092 kqread dhcpleased 47993 26974 36059 77 3 0x100092 kqread dhcpleased 36059 220128 1 0 3 0x80 kqread dhcpleased 34915 523997 0 0 3 0x14200 bored smr 52646 317621 0 0 2 0x14200 zerothread 33036 285695 0 0 3 0x14200 aiodoned aiodoned 66955 132691 0 0 3 0x14200 syncer update 79663 350217 0 0 3 0x14200 cleaner cleaner 79704 483264 0 0 3 0x14200 reaper reaper 71657 281728 0 0 3 0x14200 pgdaemon pagedaemon 51097 428688 0 0 3 0x14200 bored viomb 49893 253786 0 0 3 0x40014200 acpi0 acpi0 62186 409255 0 0 7 0x40014200 idle1 57183 205390 0 0 3 0x14200 bored softnet3 3005 491572 0 0 3 0x14200 bored softnet2 11813 60763 0 0 3 0x14200 bored softnet1 28119 117706 0 0 3 0x14200 bored softnet0 5617 347165 0 0 3 0x14200 bored systqmp 8541 109355 0 0 3 0x14200 bored systq 16681 22518 0 0 3 0x14200 tmoslp softclockmp 21818 326443 0 0 2 0x40014200 softclock 90269 73407 0 0 3 0x40014200 idle0 1 112192 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 78186 (syz-executor) thread 0xffff8000ffff6cc8 (121893) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83516f30) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rt_clone+0x72 #2 route_mpath+0x170 rt_match sys/net/route.c:360 [inline] #2 route_mpath+0x170 rtalloc_mpath sys/net/route.c:476 [inline] #2 route_mpath+0x170 sys/net/route.c:255 #3 in_pcbselsrc+0x250 #4 in_pcbconnect+0x11a sys/netinet/in_pcb.c:522 #5 tcp_connect+0x3cb sys/netinet/tcp_usrreq.c:654 #6 sys_connect+0x345 sys/kern/uipc_syscalls.c:422 #7 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #7 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #8 Xsyscall+0x128 exclusive rwlock netlock r = 0 (0xffffffff8348d5f0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 sys_connect+0x27f sys/kern/uipc_syscalls.c:413 #2 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #2 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #3 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10232 11321K 11382K 166960K 12406 0 pcb 17 12K 13K 166960K 144 0 rtable 240 8K 9K 166960K 2266 0 pf 39 18K 23K 166960K 240 0 ifaddr 41 7K 8K 166960K 316 0 ifgroup 55 2K 2K 166960K 354 0 sysctl 3 0K 0K 166960K 3 0 counters 64 36K 36K 166960K 212 0 ioctlops 0 0K 4K 166960K 1681 0 iov 0 0K 28K 166960K 103 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1398 88K 88K 166960K 2797 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 14 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 37 0 dirhash 15 2K 3K 166960K 39 0 ACPI 1690 195K 286K 166960K 12468 0 file desc 17 61K 93K 166960K 1682 0 sigio 0 0K 0K 166960K 22 0 proc 72 91K 140K 166960K 2356 0 subproc 104 6K 6K 166960K 962 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 1 0K 0K 166960K 82 0 in_multi 89 6K 7K 166960K 798 0 ether_multi 1 0K 0K 166960K 4 0 mrt 0 0K 0K 166960K 2 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 235 1049K 1049K 166960K 235 0 exec 0 0K 1K 166960K 1271 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 236 73K 92K 166960K 13011 0 UVM aobj 22 2K 4K 166960K 27 0 pinsyscall 42 84K 106K 166960K 4392 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 37 0 NDP 12 0K 2K 166960K 224 0 temp 55 6818K 6897K 166960K 96969 0 kqueue 13 20K 28K 166960K 136 0 SYN cache 2 16K 16K 166960K 2 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 24 0 0 1 0 1 1 0 8 0 rtpcb 120 197 0 194 1 0 1 1 0 8 0 rtentry 112 810 0 701 8 4 4 4 0 8 0 unpcb 144 537 0 518 10 9 1 6 0 8 0 syncache 336 7 0 7 3 3 0 1 0 8 0 tcpqe 32 1 0 1 1 1 0 1 0 8 0 tcpcb 808 186 0 179 4 3 1 3 0 8 0 arp 120 141 0 123 1 0 1 1 0 8 0 inpcb 336 1013 0 1001 12 5 7 7 0 8 6 nd6 136 212 0 189 1 0 1 1 0 8 0 pkpcb 40 7 0 7 2 2 0 1 0 8 0 kcovpl 48 74 0 66 1 0 1 1 0 8 0 ppxss 1168 4 0 4 3 3 0 1 0 8 0 pfstscr 40 1 0 0 1 0 1 1 0 8 0 pffrag 232 6 0 4 2 1 1 1 0 482 0 pffrnode 88 6 0 4 2 1 1 1 0 8 0 pffrent 40 55 0 53 2 1 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 3 0 1 1 0 1 1 0 8 0 pfanchor 1288 11 0 0 1 0 1 1 0 8 0 pftag 88 1 0 0 1 0 1 1 0 8 0 pfstitem 24 271 0 240 1 0 1 1 0 8 0 pfstkey 128 273 0 108 6 0 6 6 0 8 0 pfstate 376 203 0 174 5 1 4 5 0 8 0 pfrule 1344 31 0 19 2 1 1 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 3231 0 2809 47 18 29 30 0 8 1 art_table 32 3233 0 2809 4 0 4 4 0 8 0 art_node 16 798 0 700 1 0 1 1 0 8 0 sysvmsgpl 40 8 0 7 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 32 0 22 1 0 1 1 0 8 0 shmpl 112 24 0 5 1 0 1 1 0 8 0 dirhash 1024 35 0 16 3 0 3 3 0 8 0 dino2pl 256 2854 0 1225 103 0 103 103 0 8 0 ffsino 272 2854 0 1225 110 0 110 110 0 8 0 nchpl 144 3975 0 3301 66 40 26 63 0 8 0 uvmvnodes 80 4116 0 0 84 0 84 84 0 8 0 vnodes 216 4116 0 0 229 0 229 229 0 8 0 namei 1024 19219 0 19219 10 8 2 2 0 8 2 percpumem 16 120 0 74 1 0 1 1 0 8 0 pfiaddrpl 120 1 0 0 1 0 1 1 0 8 0 kstatmem 264 172 0 148 2 0 2 2 0 8 0 acpiwqpl 32 1 0 1 1 0 1 1 1 8 1 scxspl 216 36314 0 36314 11 10 1 8 1 8 1 plimitpl 152 373 0 354 1 0 1 1 0 8 0 sigapl 424 1873 0 1802 13 4 9 9 0 8 0 futexpl 64 9879 0 9875 9 8 1 1 0 8 0 knotepl 120 572 0 0 17 0 17 17 0 8 0 kqueuepl 216 388 0 378 9 8 1 5 0 8 0 pipepl 320 351 0 324 3 0 3 3 0 8 0 fdescpl 496 1833 0 1802 11 6 5 5 0 8 0 filepl 152 8777 0 8521 38 25 13 18 0 8 3 lockfpl 104 284 0 282 1 0 1 1 0 8 0 lockfspl 48 96 0 94 1 0 1 1 0 8 0 sessionpl 144 91 0 82 1 0 1 1 0 8 0 pgrppl 48 171 0 154 1 0 1 1 0 8 0 ucredpl 104 1135 0 1121 1 0 1 1 0 8 0 zombiepl 144 1803 0 1802 2 1 1 1 0 8 0 processpl 1160 1873 0 1802 7 1 6 6 0 8 0 procpl 648 2792 0 2716 9 1 8 8 0 8 0 srpgc 96 13 0 13 5 5 0 1 0 8 0 sosppl 168 3 0 3 1 1 0 1 0 8 0 sockpl 664 1761 0 1727 24 16 8 14 0 8 5 mcl64k 65536 2 0 0 1 0 1 1 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 156 0 0 20 0 20 20 0 8 0 mcl2k 2048 53 0 0 6 1 5 5 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 387 0 0 24 0 24 24 0 8 0 bufpl 280 8955 0 2544 517 9 508 517 0 8 0 anonpl 24 325242 0 314237 155 57 98 129 0 185 0 amapchunkpl 152 41106 0 40528 53 17 36 40 0 158 12 amappl16 200 6360 0 5972 38 6 32 34 0 8 0 amappl15 192 4 0 4 1 1 0 1 0 8 0 amappl14 184 247 0 235 1 0 1 1 0 8 0 amappl13 176 36 0 36 2 1 1 1 0 8 1 amappl12 168 3466 0 3434 3 1 2 2 0 8 0 amappl11 160 55 0 41 1 0 1 1 0 8 0 amappl10 152 34 0 34 1 1 0 1 0 8 0 amappl9 144 133 0 133 1 1 0 1 0 8 0 amappl8 136 51 0 48 1 0 1 1 0 8 0 amappl7 128 235 0 222 1 0 1 1 0 8 0 amappl6 120 795 0 793 1 0 1 1 0 8 0 amappl5 112 408 0 396 1 0 1 1 0 8 0 amappl4 104 503 0 483 1 0 1 1 0 8 0 amappl3 96 7756 0 7648 4 0 4 4 0 8 1 amappl2 88 1637 0 1566 2 0 2 2 0 8 0 amappl1 80 16425 0 15853 15 2 13 14 0 8 0 amappl 88 12139 0 11965 5 0 5 5 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 dma512 512 1 0 1 1 1 0 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 22 0 21 1 0 1 1 0 8 0 aobjpl 72 26 0 5 1 0 1 1 0 8 0 uaddrrnd 24 1833 0 1802 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1833 0 1802 1 0 1 1 0 8 0 vmmpekpl 168 15982 0 15925 5 1 4 4 0 8 0 vmmpepl 168 144970 0 142770 140 17 123 123 0 357 21 vmsppl 440 1832 0 1802 6 2 4 5 0 8 0 rwobjpl 56 40658 0 35214 80 3 77 77 0 8 0 pdppl 4096 3673 0 3604 199 126 73 85 0 8 4 pvpl 32 40566 0 0 328 0 328 328 0 265 0 pmappl 248 1832 0 1802 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 553 0 170 11 0 11 11 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_read_bytes(e9779,1,ffff80002e59de84) at db_read_bytes+0x110 sys/arch/amd64/amd64/db_memrw.c:85 db_get_value(e9779,1,0) at db_get_value+0x59 db_disasm(e9779,0) at db_disasm+0x94 db_trap(6,10) at db_trap+0x181 sys/ddb/db_trap.c:71 db_ktrap(6,10,ffff80002e59e120) at db_ktrap+0x303 sys/arch/amd64/amd64/db_interface.c:151 kerntrap(ffff80002e59e120) at kerntrap+0x1dc sys/arch/amd64/amd64/trap.c:323 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b acpi_pdirpa() at acpi_pdirpa+0xd55ea rt_clone(ffff80002e59e3f8,fffffd806f10a720,0) at rt_clone+0x98 sys/net/route.c:383 route_mpath(fffffd806f10a708,fffffd807579f924,0,0) at route_mpath+0x170 rt_match sys/net/route.c:360 [inline] route_mpath(fffffd806f10a708,fffffd807579f924,0,0) at route_mpath+0x170 rtalloc_mpath sys/net/route.c:476 [inline] route_mpath(fffffd806f10a708,fffffd807579f924,0,0) at route_mpath+0x170 sys/net/route.c:255 in_pcbselsrc(ffff80002e59e4e8,fffffd807579f920,fffffd806f10a690) at in_pcbselsrc+0x250 in_pcbconnect(fffffd806f10a690,fffffd807579f900) at in_pcbconnect+0x11a sys/netinet/in_pcb.c:522 tcp_connect(ffff800001288010,fffffd807579f900) at tcp_connect+0x3cb sys/netinet/tcp_usrreq.c:654 sys_connect(ffff8000ffff6cc8,ffff80002e59e710,ffff80002e59e660) at sys_connect+0x345 sys/kern/uipc_syscalls.c:422 syscall(ffff80002e59e710) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002e59e710) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x9ca9afa51f0, count: -16 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff800029b7bff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 acpicpu_idle() at acpicpu_idle+0x41e sys/dev/acpi/acpicpu.c:1219 sched_idle(ffff800029b7bff0) at sched_idle+0x558 sys/kern/kern_sched.c:182 end trace frame: 0x0, count: 10 ddb{1}> trace x86_ipi_db(ffff800029b7bff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 acpicpu_idle() at acpicpu_idle+0x41e sys/dev/acpi/acpicpu.c:1219 sched_idle(ffff800029b7bff0) at sched_idle+0x558 sys/kern/kern_sched.c:182 end trace frame: 0x0, count: -5