kernel: page fault trap, code=10 Stopped at acpi_pdirpa+0xd55ea: uvm_fault(0xfffffd806ccf78a8, 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 *506721 82882 0 0 0x4000000 0K syz-executor db_read_bytes(e9779,1,ffff8000321d7794) 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,ffff8000321d7a30) at db_ktrap+0x303 sys/arch/amd64/amd64/db_interface.c:151 kerntrap(ffff8000321d7a30) 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(ffff8000321d7d08,fffffd807a3e8890,0) at rt_clone+0x98 sys/net/route.c:383 route_mpath(fffffd807a3e8878,fffffd807485a924,0,0) at route_mpath+0x170 rt_match sys/net/route.c:360 [inline] route_mpath(fffffd807a3e8878,fffffd807485a924,0,0) at route_mpath+0x170 rtalloc_mpath sys/net/route.c:476 [inline] route_mpath(fffffd807a3e8878,fffffd807485a924,0,0) at route_mpath+0x170 sys/net/route.c:255 in_pcbselsrc(ffff8000321d7df8,fffffd807485a920,fffffd807a3e8800) at in_pcbselsrc+0x250 in_pcbconnect(fffffd807a3e8800,fffffd807485a900) at in_pcbconnect+0x11a sys/netinet/in_pcb.c:522 tcp_connect(ffff8000016e4040,fffffd807485a900) at tcp_connect+0x3cb sys/netinet/tcp_usrreq.c:654 sys_connect(ffff8000fffe6f60,ffff8000321d8020,ffff8000321d7f70) at sys_connect+0x345 sys/kern/uipc_syscalls.c:422 end trace frame: 0xffff8000321d8010, 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(0xfffffd806ccf78a8, 0xe9779, 0, 1) -> e ddb{0}> trace db_read_bytes(e9779,1,ffff8000321d7794) 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,ffff8000321d7a30) at db_ktrap+0x303 sys/arch/amd64/amd64/db_interface.c:151 kerntrap(ffff8000321d7a30) 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(ffff8000321d7d08,fffffd807a3e8890,0) at rt_clone+0x98 sys/net/route.c:383 route_mpath(fffffd807a3e8878,fffffd807485a924,0,0) at route_mpath+0x170 rt_match sys/net/route.c:360 [inline] route_mpath(fffffd807a3e8878,fffffd807485a924,0,0) at route_mpath+0x170 rtalloc_mpath sys/net/route.c:476 [inline] route_mpath(fffffd807a3e8878,fffffd807485a924,0,0) at route_mpath+0x170 sys/net/route.c:255 in_pcbselsrc(ffff8000321d7df8,fffffd807485a920,fffffd807a3e8800) at in_pcbselsrc+0x250 in_pcbconnect(fffffd807a3e8800,fffffd807485a900) at in_pcbconnect+0x11a sys/netinet/in_pcb.c:522 tcp_connect(ffff8000016e4040,fffffd807485a900) at tcp_connect+0x3cb sys/netinet/tcp_usrreq.c:654 sys_connect(ffff8000fffe6f60,ffff8000321d8020,ffff8000321d7f70) at sys_connect+0x345 sys/kern/uipc_syscalls.c:422 syscall(ffff8000321d8020) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000321d8020) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xef3cbc2af80, count: -16 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff8000321d7780 rbx 0x1 rdx 0xffff80000159e400 rcx 0xffff8000fffe6f60 rax 0xffffffff8346fff0 cpu_info_full_primary+0x1ff0 r8 0xffff8000321d78b0 r9 0x8080808080808080 r10 0x93944424e2f8dc8d r11 0x96a6c6a0ca7fb876 r12 0x1 r13 0x1 r14 0xffff8000321d7795 r15 0xe977a acpi_pdirpa+0xd55eb rip 0xffffffff82c746f0 db_read_bytes+0x110 cs 0x8 rflags 0x10286 __ALIGN_SIZE+0xf286 rsp 0xffff8000321d7720 ss 0x10 db_read_bytes+0x110: movzbl 0xffffffffffffffff(%r15),%eax ddb{0}> show proc PROC (syz-executor) tid=506721 pid=82882 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000fffe7c08,0xffff80002a0567c0 process=0xffff8000ffff7b00 user=0xffff8000321d3000, vmspace=0xfffffd806ccf78a8 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 82882 248708 11389 0 2 0 syz-executor *82882 506721 11389 0 7 0x4000000 syz-executor 73459 421418 31296 0 2 0 syz-executor 73459 129266 31296 0 3 0x4000080 fsleep syz-executor 73459 498711 31296 0 3 0x4000080 fsleep syz-executor 94293 237821 66367 0 2 0 syz-executor 94293 183667 66367 0 2 0x4000000 syz-executor 31954 275985 73576 0 2 0x480 syz-executor 31954 135841 73576 0 3 0x4000080 kqread syz-executor 31954 114059 73576 0 3 0x4000080 fsleep syz-executor 31265 6674 5297 0 2 0x480 syz-executor 31265 349809 5297 0 3 0x4000080 kqread syz-executor 31265 127003 5297 0 3 0x4000080 fsleep syz-executor 13972 203254 1 0 3 0x80 nanoslp init 42892 139497 86710 0 2 0x2 syz-executor 5297 427317 86710 0 3 0x82 nanoslp syz-executor 31296 112638 86710 0 2 0x482 syz-executor 73576 61103 86710 0 2 0x482 syz-executor 11389 55566 86710 0 2 0x482 syz-executor 66367 461075 86710 0 2 0x482 syz-executor 79698 66869 86710 0 2 0x482 syz-executor 38454 143343 86710 0 3 0x82 nanoslp syz-executor 16943 362239 0 0 3 0x14200 acct acct 3289 218955 0 0 3 0x14200 bored sosplice 3145 99305 0 0 3 0x14280 nfsidl nfsio 87127 88756 0 0 3 0x14280 nfsidl nfsio 60457 502374 0 0 3 0x14280 nfsidl nfsio 49602 363280 0 0 3 0x14280 nfsidl nfsio 84837 291309 0 0 3 0x14280 nfsidl nfsio 71305 476079 0 0 3 0x14280 nfsidl nfsio 98198 48494 0 0 3 0x14280 nfsidl nfsio 82285 283611 0 0 3 0x14280 nfsidl nfsio 10931 324403 0 0 3 0x14280 nfsidl nfsio 59413 361424 0 0 3 0x14280 nfsidl nfsio 28373 25054 0 0 3 0x14280 nfsidl nfsio 97574 393849 0 0 3 0x14280 nfsidl nfsio 45616 152349 0 0 3 0x14280 nfsidl nfsio 84280 239857 0 0 3 0x14280 nfsidl nfsio 82256 327897 0 0 3 0x14280 nfsidl nfsio 36495 405646 0 0 3 0x14280 nfsidl nfsio 71162 248957 0 0 3 0x14280 nfsidl nfsio 86590 151387 0 0 3 0x14280 nfsidl nfsio 31997 317911 0 0 3 0x14280 nfsidl nfsio 33392 510023 0 0 3 0x14280 nfsidl nfsio 86710 470008 16320 0 3 0x82 kqread syz-executor 16320 481043 23225 0 3 0x10008a sigsusp ksh 23225 58872 72037 0 3 0x98 kqread sshd-session 72037 3882 23379 0 3 0x92 kqread sshd-session 23379 482294 1 0 3 0x88 kqread sshd 92300 284170 47174 74 3 0x1100092 bpf pflogd 47174 89956 1 0 3 0x80 sbwait pflogd 32550 380290 59760 73 3 0x1100090 kqread syslogd 59760 438359 1 0 3 0x100082 sbwait syslogd 38533 34644 1 0 3 0x100080 kqread resolvd 82572 438213 92613 77 3 0x100092 kqread dhcpleased 63922 24501 92613 77 3 0x100092 kqread dhcpleased 92613 34264 1 0 3 0x80 kqread dhcpleased 62632 262611 0 0 3 0x14200 bored smr 49714 183234 0 0 2 0x14200 zerothread 78003 252839 0 0 3 0x14200 aiodoned aiodoned 24127 212404 0 0 3 0x14200 syncer update 82697 202218 0 0 3 0x14200 cleaner cleaner 16894 312506 0 0 3 0x14200 reaper reaper 67007 354157 0 0 3 0x14200 pgdaemon pagedaemon 29996 450709 0 0 3 0x14200 bored viomb 68118 400521 0 0 3 0x40014200 acpi0 acpi0 29222 116704 0 0 7 0x40014200 idle1 57318 467288 0 0 3 0x14200 bored softnet3 51578 20484 0 0 3 0x14200 bored softnet2 94380 134510 0 0 3 0x14200 bored softnet1 7825 344131 0 0 2 0x14200 softnet0 72882 519718 0 0 3 0x14200 bored systqmp 87348 338303 0 0 3 0x14200 bored systq 78895 233399 0 0 2 0x14200 softclockmp 24906 400653 0 0 2 0x40014200 softclock 89776 211964 0 0 3 0x40014200 idle0 1 396331 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 82882 (syz-executor) thread 0xffff8000fffe6f60 (506721) Process 94293 (syz-executor) thread 0xffff80002a0571d0 (183667) Process 42892 (syz-executor) thread 0xffff8000fffe6cd8 (139497) ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10226 14208K 14639K 166960K 13244 0 pcb 18 16K 18K 166960K 401 0 rtable 199 6K 7K 166960K 2062 0 pf 34 17K 25K 166960K 311 0 ifaddr 38 7K 8K 166960K 298 0 ifgroup 51 2K 2K 166960K 347 0 sysctl 4 1K 1K 166960K 6 0 counters 62 36K 37K 166960K 230 0 ioctlops 0 0K 4K 166960K 1828 0 iov 0 0K 28K 166960K 115 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1430 90K 90K 166960K 3179 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 25 0 VM map 2 1K 1K 166960K 2 0 sem 23 6K 6K 166960K 38 0 dirhash 15 2K 2K 166960K 33 0 ACPI 1690 195K 286K 166960K 12418 0 file desc 16 57K 93K 166960K 2283 0 sigio 0 0K 0K 166960K 35 0 proc 63 79K 140K 166960K 2106 0 subproc 104 6K 6K 166960K 754 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 419 0 in_multi 79 5K 7K 166960K 691 0 ether_multi 1 0K 0K 166960K 8 0 mrt 1 0K 0K 166960K 9 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 241 1076K 1076K 166960K 241 0 exec 0 0K 1K 166960K 1239 0 pfkey data 0 0K 0K 166960K 2 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 239 73K 92K 166960K 19894 0 UVM aobj 8 6K 6K 166960K 10 0 pinsyscall 41 82K 107K 166960K 4690 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 70 0 NDP 11 0K 2K 166960K 213 0 temp 77 6824K 6888K 166960K 94359 0 kqueue 14 22K 29K 166960K 291 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 120 342 0 338 4 3 1 3 0 8 0 rtentry 112 741 0 652 4 1 3 4 0 8 0 unpcb 144 1623 0 1599 17 13 4 6 0 8 2 syncache 336 7 0 7 5 4 1 1 0 8 1 tcpqe 32 2 0 2 2 1 1 1 0 8 1 tcpcb 808 510 0 501 19 12 7 8 0 8 6 arp 120 128 0 111 1 0 1 1 0 8 0 inpcb 336 2494 0 2479 44 37 7 12 0 8 5 nd6 136 187 0 165 1 0 1 1 0 8 0 pkpcb 40 9 0 9 3 2 1 1 0 8 1 kcovpl 48 58 0 50 1 0 1 1 0 8 0 ppxss 1168 23 0 23 7 6 1 1 0 8 1 pffrag 232 31 0 27 2 1 1 1 0 482 0 pffrnode 88 31 0 27 2 1 1 1 0 8 0 pffrent 40 103 0 99 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 pftag 88 4 0 2 2 1 1 1 0 8 0 pfstitem 24 159 0 101 1 0 1 1 0 8 0 pfstkey 128 159 0 101 2 0 2 2 0 8 0 pfstate 376 158 0 101 7 1 6 6 0 8 0 pfrule 1344 32 0 24 2 1 1 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 2872 0 2516 37 11 26 31 0 8 3 art_table 32 2874 0 2516 4 0 4 4 0 8 0 art_node 16 735 0 659 1 0 1 1 0 8 0 sysvmsgpl 40 23 0 13 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 33 0 12 1 0 1 1 0 8 0 shmpl 112 7 0 2 1 0 1 1 0 8 0 dirhash 1024 31 0 12 3 0 3 3 0 8 0 dino2pl 256 4233 0 2626 101 0 101 101 0 8 0 ffsino 272 4233 0 2626 108 0 108 108 0 8 0 nchpl 144 6499 0 4740 66 0 66 66 0 8 0 uvmvnodes 80 5699 0 0 117 0 117 117 0 8 0 vnodes 216 5699 0 0 317 0 317 317 0 8 0 namei 1024 27841 0 27839 5 4 1 2 0 8 0 percpumem 16 129 0 84 1 0 1 1 0 8 0 kstatmem 264 190 0 168 3 1 2 3 0 8 0 scsiplug 72 2 0 2 2 2 0 1 0 8 0 scxspl 216 50033 0 50033 11 9 2 8 1 8 2 plimitpl 152 568 0 552 1 0 1 1 0 8 0 sigapl 424 2513 0 2442 9 0 9 9 0 8 0 futexpl 64 22386 0 22382 5 4 1 1 0 8 0 knotepl 120 631 0 0 17 0 17 17 0 8 0 kqueuepl 216 540 0 528 8 7 1 8 0 8 0 pipepl 320 524 0 497 13 5 8 8 0 8 5 fdescpl 496 2473 0 2442 6 1 5 5 0 8 0 filepl 152 14697 0 14437 40 25 15 18 0 8 4 lockfpl 104 532 0 530 1 0 1 1 0 8 0 lockfspl 48 221 0 219 1 0 1 1 0 8 0 sessionpl 144 78 0 70 1 0 1 1 0 8 0 pgrppl 48 192 0 176 1 0 1 1 0 8 0 ucredpl 104 2079 0 2066 1 0 1 1 0 8 0 zombiepl 144 2444 0 2442 2 1 1 1 0 8 0 processpl 1160 2513 0 2442 6 0 6 6 0 8 0 procpl 648 4809 0 4730 8 0 8 8 0 8 1 srpgc 96 12 0 12 4 3 1 1 0 8 1 sosppl 168 6 0 6 4 4 0 1 0 8 0 sockpl 664 4568 0 4524 56 47 9 17 0 8 5 mcl64k 65536 5 0 0 1 0 1 1 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 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 4 0 0 1 0 1 1 0 8 0 mcl2k 2048 251 0 0 32 2 30 32 0 8 0 mtagpl 96 19 0 0 1 0 1 1 0 8 0 mbufpl 256 1322 0 0 80 1 79 79 0 8 0 bufpl 280 11936 0 5786 452 1 451 452 0 8 0 anonpl 24 393576 0 389935 73 21 52 55 0 185 13 amapchunkpl 152 65099 0 64583 52 20 32 33 0 158 10 amappl16 200 8462 0 8434 75 65 10 15 0 8 8 amappl15 192 7 0 7 1 1 0 1 0 8 0 amappl14 184 226 0 215 1 0 1 1 0 8 0 amappl13 176 8 0 8 1 1 0 1 0 8 0 amappl12 168 3928 0 3898 4 2 2 3 0 8 0 amappl11 160 59 0 45 1 0 1 1 0 8 0 amappl10 152 34 0 34 1 1 0 1 0 8 0 amappl9 144 135 0 135 1 1 0 1 0 8 0 amappl8 136 50 0 47 1 0 1 1 0 8 0 amappl7 128 213 0 200 1 0 1 1 0 8 0 amappl6 120 665 0 663 1 0 1 1 0 8 0 amappl5 112 341 0 328 1 0 1 1 0 8 0 amappl4 104 482 0 463 1 0 1 1 0 8 0 amappl3 96 12847 0 12733 4 0 4 4 0 8 0 amappl2 88 1417 0 1348 2 0 2 2 0 8 0 amappl1 80 17758 0 17220 15 1 14 14 0 8 0 amappl 88 18990 0 18811 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 7 0 7 2 2 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 72 9 0 2 1 0 1 1 0 8 0 uaddrrnd 24 2473 0 2442 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2473 0 2442 1 0 1 1 0 8 0 vmmpekpl 168 21180 0 21133 3 0 3 3 0 8 0 vmmpepl 168 156673 0 154834 133 34 99 99 0 357 13 vmsppl 440 2472 0 2442 5 1 4 5 0 8 0 rwobjpl 56 50284 0 43673 98 4 94 94 0 8 0 pdppl 4096 4953 0 4884 186 113 73 85 0 8 4 pvpl 32 29737 0 0 239 0 239 239 0 265 0 pmappl 248 2472 0 2442 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 638 0 194 13 0 13 13 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_read_bytes(e9779,1,ffff8000321d7794) 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,ffff8000321d7a30) at db_ktrap+0x303 sys/arch/amd64/amd64/db_interface.c:151 kerntrap(ffff8000321d7a30) 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(ffff8000321d7d08,fffffd807a3e8890,0) at rt_clone+0x98 sys/net/route.c:383 route_mpath(fffffd807a3e8878,fffffd807485a924,0,0) at route_mpath+0x170 rt_match sys/net/route.c:360 [inline] route_mpath(fffffd807a3e8878,fffffd807485a924,0,0) at route_mpath+0x170 rtalloc_mpath sys/net/route.c:476 [inline] route_mpath(fffffd807a3e8878,fffffd807485a924,0,0) at route_mpath+0x170 sys/net/route.c:255 in_pcbselsrc(ffff8000321d7df8,fffffd807485a920,fffffd807a3e8800) at in_pcbselsrc+0x250 in_pcbconnect(fffffd807a3e8800,fffffd807485a900) at in_pcbconnect+0x11a sys/netinet/in_pcb.c:522 tcp_connect(ffff8000016e4040,fffffd807485a900) at tcp_connect+0x3cb sys/netinet/tcp_usrreq.c:654 sys_connect(ffff8000fffe6f60,ffff8000321d8020,ffff8000321d7f70) at sys_connect+0x345 sys/kern/uipc_syscalls.c:422 syscall(ffff8000321d8020) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000321d8020) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xef3cbc2af80, 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