kernel: page fault trap, code=10 Stopped at acpi_pdirpa+0xd55ea: uvm_fault(0xfffffd806ecdda58, 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 *135539 56364 60928 0x10 0x4000000 0 syz-executor 498324 23441 0 0x2 0 1 syz-executor db_read_bytes(e9779,1,ffff80002a1085d4) 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,ffff80002a108870) at db_ktrap+0x303 sys/arch/amd64/amd64/db_interface.c:151 kerntrap(ffff80002a108870) 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(ffff80002a108b48,fffffd8077ecd750,0) at rt_clone+0x98 sys/net/route.c:383 route_mpath(fffffd8077ecd738,fffffd8061472124,0,0) at route_mpath+0x170 rt_match sys/net/route.c:360 [inline] route_mpath(fffffd8077ecd738,fffffd8061472124,0,0) at route_mpath+0x170 rtalloc_mpath sys/net/route.c:476 [inline] route_mpath(fffffd8077ecd738,fffffd8061472124,0,0) at route_mpath+0x170 sys/net/route.c:255 in_pcbselsrc(ffff80002a108c38,fffffd8061472120,fffffd8077ecd6c0) at in_pcbselsrc+0x250 in_pcbconnect(fffffd8077ecd6c0,fffffd8061472100) at in_pcbconnect+0x11a sys/netinet/in_pcb.c:522 tcp_connect(ffff800010fdb238,fffffd8061472100) at tcp_connect+0x3cb sys/netinet/tcp_usrreq.c:654 sys_connect(ffff8000363ac030,ffff80002a108e60,ffff80002a108db0) at sys_connect+0x345 sys/kern/uipc_syscalls.c:422 end trace frame: 0xffff80002a108e50, 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(0xfffffd806ecdda58, 0xe9779, 0, 1) -> e ddb{0}> trace db_read_bytes(e9779,1,ffff80002a1085d4) 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,ffff80002a108870) at db_ktrap+0x303 sys/arch/amd64/amd64/db_interface.c:151 kerntrap(ffff80002a108870) 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(ffff80002a108b48,fffffd8077ecd750,0) at rt_clone+0x98 sys/net/route.c:383 route_mpath(fffffd8077ecd738,fffffd8061472124,0,0) at route_mpath+0x170 rt_match sys/net/route.c:360 [inline] route_mpath(fffffd8077ecd738,fffffd8061472124,0,0) at route_mpath+0x170 rtalloc_mpath sys/net/route.c:476 [inline] route_mpath(fffffd8077ecd738,fffffd8061472124,0,0) at route_mpath+0x170 sys/net/route.c:255 in_pcbselsrc(ffff80002a108c38,fffffd8061472120,fffffd8077ecd6c0) at in_pcbselsrc+0x250 in_pcbconnect(fffffd8077ecd6c0,fffffd8061472100) at in_pcbconnect+0x11a sys/netinet/in_pcb.c:522 tcp_connect(ffff800010fdb238,fffffd8061472100) at tcp_connect+0x3cb sys/netinet/tcp_usrreq.c:654 sys_connect(ffff8000363ac030,ffff80002a108e60,ffff80002a108db0) at sys_connect+0x345 sys/kern/uipc_syscalls.c:422 syscall(ffff80002a108e60) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a108e60) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x41768da22d0, count: -16 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80002a1085c0 rbx 0x1 rdx 0 rcx 0xffff8000363ac030 rax 0xffffffff83497ff0 cpu_info_full_primary+0x1ff0 r8 0xffff80002a1086f0 r9 0x8080808080808080 r10 0x4f9950aa005b5857 r11 0x17a44702be34a155 r12 0x1 r13 0x1 r14 0xffff80002a1085d5 r15 0xe977a acpi_pdirpa+0xd55eb rip 0xffffffff82fa9010 db_read_bytes+0x110 cs 0x8 rflags 0x10282 __ALIGN_SIZE+0xf282 rsp 0xffff80002a108560 ss 0x10 db_read_bytes+0x110: movzbl 0xffffffffffffffff(%r15),%eax ddb{0}> show proc PROC (syz-executor) tid=135539 pid=56364 tcnt=3 stat=onproc flags process=10 proc=4000000 runpri=32, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000363ad1e8,0xffff8000363ad990 process=0xffff80002d973b00 user=0xffff80002a103000, vmspace=0xfffffd806ecdda58 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 16377 437664 23441 0 2 0 syz-executor 16377 170237 23441 0 2 0x4000000 syz-executor 84876 304390 99602 0 2 0 syz-executor 84876 118395 99602 0 3 0x4000080 kqpoll syz-executor 56364 359252 29962 60928 2 0x10 syz-executor *56364 135539 29962 60928 7 0x4000010 syz-executor 56364 262944 29962 60928 3 0x4000090 fsleep syz-executor 50854 91360 82431 0 2 0 syz-executor 50854 79418 82431 0 3 0x4000080 sbwait syz-executor 50854 233167 82431 0 2 0x4000000 syz-executor 26051 233033 3739 0 2 0 syz-executor 26051 508818 3739 0 2 0x4000000 syz-executor 26051 132160 3739 0 3 0x4000080 fsleep syz-executor 22564 483672 31428 0 2 0 syz-executor 22564 64287 31428 0 3 0x4000080 pppxread syz-executor 22564 357252 31428 0 3 0x4000080 fsleep syz-executor 75079 209496 95591 0 3 0x80 nanoslp syz-executor 75079 401374 95591 0 3 0x4000080 ttyin syz-executor 75079 332609 95591 0 3 0x4000080 fsleep syz-executor 29962 263083 81828 0 2 0x482 syz-executor 95591 338459 81828 0 3 0x82 nanoslp syz-executor 82431 145577 81828 0 2 0x2 syz-executor 3739 177244 81828 0 2 0x2 syz-executor 99602 315487 81828 0 2 0x2 syz-executor 31428 425062 81828 0 2 0x482 syz-executor 23441 498324 81828 0 7 0x2 syz-executor 60813 158361 81828 0 3 0x82 nanoslp syz-executor 65430 172311 0 0 3 0x14200 bored sosplice 11973 156834 0 0 3 0x14280 nfsidl nfsio 9116 101603 0 0 3 0x14280 nfsidl nfsio 58163 212722 0 0 3 0x14280 nfsidl nfsio 5428 487708 0 0 3 0x14280 nfsidl nfsio 71679 260273 0 0 3 0x14280 nfsidl nfsio 67197 283675 0 0 3 0x14280 nfsidl nfsio 77444 345052 0 0 3 0x14280 nfsidl nfsio 74158 64791 0 0 3 0x14280 nfsidl nfsio 28943 81778 0 0 3 0x14280 nfsidl nfsio 17445 418814 0 0 3 0x14280 nfsidl nfsio 26102 401451 0 0 3 0x14280 nfsidl nfsio 4600 400202 0 0 3 0x14280 nfsidl nfsio 50221 521752 0 0 3 0x14280 nfsidl nfsio 78801 281644 0 0 3 0x14280 nfsidl nfsio 30911 127717 0 0 3 0x14280 nfsidl nfsio 13419 236883 0 0 3 0x14280 nfsidl nfsio 58132 138464 0 0 3 0x14280 nfsidl nfsio 50184 378571 0 0 3 0x14280 nfsidl nfsio 83339 99055 0 0 3 0x14280 nfsidl nfsio 17376 375489 0 0 3 0x14280 nfsidl nfsio 81828 61600 89449 0 3 0x82 kqread syz-executor 89449 77389 72043 0 3 0x10008a sigsusp ksh 72043 107780 14020 0 3 0x98 kqread sshd-session 14020 322886 3853 0 3 0x92 kqread sshd-session 90047 302242 1 0 3 0x100083 ttyin getty 3853 275493 1 0 3 0x88 kqread sshd 28833 132078 69235 74 3 0x1100092 bpf pflogd 69235 36910 1 0 3 0x80 sbwait pflogd 76743 106326 58355 73 2 0x1100010 syslogd 58355 59199 1 0 3 0x100082 sbwait syslogd 29375 51600 1 0 3 0x100080 kqread resolvd 63709 188935 67299 77 3 0x100092 kqread dhcpleased 49200 92893 67299 77 3 0x100092 kqread dhcpleased 67299 253386 1 0 3 0x80 kqread dhcpleased 60551 86246 0 0 3 0x14200 bored smr 57301 155368 0 0 2 0x14200 zerothread 90663 209588 0 0 3 0x14200 aiodoned aiodoned 81091 458151 0 0 3 0x14200 syncer update 57818 133709 0 0 3 0x14200 cleaner cleaner 27538 214606 0 0 2 0x14200 reaper 838 264515 0 0 3 0x14200 pgdaemon pagedaemon 27711 195059 0 0 3 0x14200 bored viomb 96688 310128 0 0 3 0x40014200 acpi0 acpi0 1457 174204 0 0 3 0x40014200 idle1 29484 165803 0 0 3 0x14200 bored softnet3 60321 430659 0 0 3 0x14200 bored softnet2 79352 329629 0 0 3 0x14200 bored softnet1 91087 351899 0 0 3 0x14200 bored softnet0 89603 465471 0 0 3 0x14200 bored systqmp 32741 107324 0 0 3 0x14200 bored systq 72288 66282 0 0 3 0x14200 tmoslp softclockmp 69297 92939 0 0 3 0x40014200 tmoslp softclock 99554 137926 0 0 3 0x40014200 idle0 1 220621 0 0 3 0x80082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 56364 (syz-executor) thread 0xffff8000363ac030 (135539) Process 76743 (syslogd) thread 0xffff8000ffffdbe8 (106326) Process 27538 (reaper) thread 0xffff800029fd9448 (214606) ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10243 10189K 10435K 166960K 14547 0 pcb 17 16K 18K 166960K 776 0 rtable 232 8K 8K 166960K 2804 0 pf 41 19K 26K 166960K 377 0 ifaddr 45 8K 9K 166960K 400 0 ifgroup 60 2K 2K 166960K 462 0 sysctl 4 1K 5K 166960K 9 0 counters 66 36K 37K 166960K 294 0 ioctlops 0 0K 4K 166960K 1867 0 iov 1 12K 28K 166960K 276 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1505 95K 95K 166960K 5031 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 3 36K 40K 166960K 57 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 173 0 dirhash 15 2K 3K 166960K 63 0 ACPI 1690 195K 286K 166960K 12418 0 file desc 17 61K 93K 166960K 4104 0 sigio 0 0K 0K 166960K 109 0 proc 73 91K 140K 166960K 2839 0 subproc 104 6K 7K 166960K 1058 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 612 0 in_multi 100 7K 7K 166960K 1007 0 ether_multi 1 0K 0K 166960K 28 0 mrt 1 0K 0K 166960K 12 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 265 1182K 1182K 166960K 265 0 exec 0 0K 1K 166960K 1822 0 pfkey data 0 0K 0K 166960K 71 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 257 73K 95K 166960K 36608 0 UVM aobj 163 7K 7K 166960K 168 0 pinsyscall 42 84K 105K 166960K 7076 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 234 0 NDP 13 0K 2K 166960K 294 0 temp 77 6836K 6952K 166960K 144801 0 kqueue 13 20K 32K 166960K 535 0 SYN cache 2 8K 16K 166960K 3 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 120 593 0 590 5 4 1 3 0 8 0 rtentry 112 991 0 887 4 0 4 4 0 8 0 unpcb 144 3103 0 3084 36 35 1 10 0 8 0 syncache 336 8 0 8 4 4 0 1 0 8 0 tcpqe 32 4 0 4 2 2 0 1 0 8 0 tcpcb 808 1396 0 1389 38 36 2 8 0 8 1 arp 120 164 0 144 1 0 1 1 0 8 0 inpcb 336 4923 0 4910 43 41 2 13 0 8 0 nd6 136 274 0 250 1 0 1 1 0 8 0 pkpcb 40 20 0 20 9 8 1 1 0 8 1 kcovpl 48 81 0 73 1 0 1 1 0 8 0 ppxss 1168 30 0 30 9 8 1 1 0 8 1 pfstscr 40 138 0 136 1 0 1 1 0 8 0 pffrag 232 88 0 85 1 0 1 1 0 482 0 pffrnode 88 88 0 85 1 0 1 1 0 8 0 pffrent 40 302 0 299 1 0 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 pfanchor 1288 2 0 0 1 0 1 1 0 8 0 pftag 88 1 0 0 1 0 1 1 0 8 0 pfstitem 24 320 0 283 1 0 1 1 0 8 0 pfstkey 128 394 0 357 3 0 3 3 0 8 0 pfstate 376 388 0 353 9 1 8 9 0 8 0 pfrule 1344 77 0 31 5 1 4 4 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 4101 0 3638 40 11 29 31 0 8 0 art_table 32 4103 0 3638 4 0 4 4 0 8 0 art_node 16 986 0 893 1 0 1 1 0 8 0 sysvmsgpl 40 24 0 18 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 165 0 155 1 0 1 1 0 8 0 shmpl 112 165 0 5 5 0 5 5 0 8 0 dirhash 1024 51 0 32 3 0 3 3 0 8 0 dino2pl 256 7376 0 5730 104 0 104 104 0 8 0 ffsino 272 7376 0 5730 112 1 111 111 0 8 0 nchpl 144 12027 0 11376 67 39 28 66 0 8 0 uvmvnodes 80 8231 0 0 168 0 168 168 0 8 0 vnodes 216 8231 0 0 458 0 458 458 0 8 0 namei 1024 49482 0 49481 11 10 1 3 0 8 0 percpumem 16 161 0 114 1 0 1 1 0 8 0 kstatmem 264 254 0 228 5 2 3 3 0 8 1 scsiplug 72 3 0 3 3 3 0 1 0 8 0 scxspl 216 77993 0 77993 18 16 2 8 1 8 2 plimitpl 152 572 0 553 1 0 1 1 0 8 0 sigapl 424 4279 0 4208 11 2 9 9 0 8 0 futexpl 64 46104 0 46100 6 5 1 1 0 8 0 knotepl 120 673 0 0 18 0 18 18 0 8 0 kqueuepl 216 1211 0 1201 16 15 1 5 0 8 0 pipepl 320 787 0 760 15 12 3 8 0 8 0 fdescpl 496 4239 0 4208 6 1 5 5 0 8 0 filepl 152 29496 0 29241 81 68 13 22 0 8 3 lockfpl 104 1187 0 1185 1 0 1 1 0 8 0 lockfspl 48 439 0 437 1 0 1 1 0 8 0 sessionpl 144 96 0 87 1 0 1 1 0 8 0 pgrppl 48 221 0 204 1 0 1 1 0 8 0 ucredpl 104 5638 0 5624 2 1 1 2 0 8 0 zombiepl 144 5152 0 5151 2 1 1 1 0 8 0 processpl 1160 4279 0 4208 7 1 6 6 0 8 0 procpl 648 9411 0 9325 11 3 8 8 0 8 0 srpgc 96 19 0 19 6 6 0 1 0 8 0 sosppl 168 15 0 14 9 8 1 1 0 8 0 sockpl 664 9167 0 9132 113 109 4 24 0 8 1 mcl64k 65536 4 0 0 1 0 1 1 0 8 0 mcl16k 16384 3 0 0 1 0 1 1 0 8 0 mcl12k 12288 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 7 0 0 1 0 1 1 0 8 0 mcl4k 4096 4 0 0 1 0 1 1 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 306 0 0 32 2 30 32 0 8 0 mtagpl 96 64 0 0 2 0 2 2 0 8 0 mbufpl 256 4637 0 0 288 0 288 288 0 8 0 bufpl 280 16476 0 8244 589 0 589 589 0 8 0 anonpl 24 598827 0 594440 125 69 56 58 0 185 17 amapchunkpl 152 120757 0 120151 86 53 33 39 0 158 8 amappl16 200 11865 0 11841 85 83 2 15 0 8 0 amappl15 192 13 0 13 1 1 0 1 0 8 0 amappl14 184 268 0 255 1 0 1 1 0 8 0 amappl13 176 12 0 12 1 1 0 1 0 8 0 amappl12 168 6044 0 6012 4 2 2 3 0 8 0 amappl11 160 60 0 45 1 0 1 1 0 8 0 amappl10 152 16 0 16 1 1 0 1 0 8 0 amappl9 144 147 0 147 4 4 0 1 0 8 0 amappl8 136 21 0 18 1 0 1 1 0 8 0 amappl7 128 251 0 239 1 0 1 1 0 8 0 amappl6 120 900 0 898 1 0 1 1 0 8 0 amappl5 112 430 0 418 1 0 1 1 0 8 0 amappl4 104 546 0 527 1 0 1 1 0 8 0 amappl3 96 24350 0 24226 6 2 4 4 0 8 0 amappl2 88 1724 0 1654 2 0 2 2 0 8 0 amappl1 80 24050 0 23477 15 1 14 14 0 8 0 amappl 88 35439 0 35244 5 0 5 5 0 92 0 dma32768 32768 1 0 1 1 1 0 1 0 8 0 dma16384 16384 1 0 1 1 1 0 1 0 8 0 dma4096 4096 2 0 2 2 2 0 1 0 8 0 dma2048 2048 1 0 1 1 1 0 1 0 8 0 dma1024 1024 2 0 1 1 0 1 1 0 8 0 dma256 256 8 0 8 3 3 0 1 0 8 0 dma128 128 253 0 253 1 1 0 1 0 8 0 dma64 64 9 0 9 2 2 0 1 0 8 0 dma32 32 9 0 9 2 2 0 1 0 8 0 dma16 16 22 0 21 1 0 1 1 0 8 0 aobjpl 72 167 0 5 3 0 3 3 0 8 0 uaddrrnd 24 4239 0 4207 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 4239 0 4207 1 0 1 1 0 8 0 vmmpekpl 168 34303 0 34242 4 0 4 4 0 8 0 vmmpepl 168 260019 0 258084 150 65 85 99 0 357 0 vmsppl 440 4238 0 4207 6 2 4 5 0 8 0 rwobjpl 56 77537 0 68183 136 3 133 133 0 8 0 pdppl 4096 8485 0 8414 216 145 71 85 0 8 0 pvpl 32 30199 0 0 244 2 242 242 0 265 0 pmappl 248 4238 0 4207 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 915 0 266 19 0 19 19 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_read_bytes(e9779,1,ffff80002a1085d4) 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,ffff80002a108870) at db_ktrap+0x303 sys/arch/amd64/amd64/db_interface.c:151 kerntrap(ffff80002a108870) 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(ffff80002a108b48,fffffd8077ecd750,0) at rt_clone+0x98 sys/net/route.c:383 route_mpath(fffffd8077ecd738,fffffd8061472124,0,0) at route_mpath+0x170 rt_match sys/net/route.c:360 [inline] route_mpath(fffffd8077ecd738,fffffd8061472124,0,0) at route_mpath+0x170 rtalloc_mpath sys/net/route.c:476 [inline] route_mpath(fffffd8077ecd738,fffffd8061472124,0,0) at route_mpath+0x170 sys/net/route.c:255 in_pcbselsrc(ffff80002a108c38,fffffd8061472120,fffffd8077ecd6c0) at in_pcbselsrc+0x250 in_pcbconnect(fffffd8077ecd6c0,fffffd8061472100) at in_pcbconnect+0x11a sys/netinet/in_pcb.c:522 tcp_connect(ffff800010fdb238,fffffd8061472100) at tcp_connect+0x3cb sys/netinet/tcp_usrreq.c:654 sys_connect(ffff8000363ac030,ffff80002a108e60,ffff80002a108db0) at sys_connect+0x345 sys/kern/uipc_syscalls.c:422 syscall(ffff80002a108e60) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a108e60) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x41768da22d0, 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 __mp_lock(ffffffff83531a30) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83531a30) at __mp_lock+0x192 sys/kern/kern_lock.c:144 syscall(ffff80002a0ccb40) at syscall+0xad6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a0ccb40) at syscall+0xad6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7c13ed71ed20, count: 9 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 __mp_lock(ffffffff83531a30) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83531a30) at __mp_lock+0x192 sys/kern/kern_lock.c:144 syscall(ffff80002a0ccb40) at syscall+0xad6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a0ccb40) at syscall+0xad6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7c13ed71ed20, count: -6