panic: missing alias Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff83327c0a) at panic+0x1e5 sys/kern/subr_prf.c:198 vgonel(fffffd805e724a60,ffff80002a392040) at vgonel+0x663 vrecycle(fffffd805e724a60,ffff80002a392040) at vrecycle+0x7c sys/kern/vfs_subr.c:1137 ufs_inactive(ffff8000353ea6b0) at ufs_inactive+0x35c sys/ufs/ufs/ufs_inode.c:107 VOP_INACTIVE(fffffd805e724a60,ffff80002a392040) at VOP_INACTIVE+0x104 sys/kern/vfs_vops.c:498 vput(fffffd805e724a60) at vput+0xe5 sys/kern/vfs_subr.c:790 vn_closefile(fffffd805f52c8c8,ffff80002a392040) at vn_closefile+0x13f sys/kern/vfs_vnops.c:616 fdrop(fffffd805f52c8c8,ffff80002a392040) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd805f52c8c8,ffff80002a392040) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80002a392040) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80002a392040,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80002a392040,ffff8000353eaa30,ffff8000353ea980) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff8000353eaa30) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000353eaa30) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:765 end trace frame: 0xffff8000353eaab0, 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: missing alias ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff83327c0a) at panic+0x1e5 sys/kern/subr_prf.c:198 vgonel(fffffd805e724a60,ffff80002a392040) at vgonel+0x663 vrecycle(fffffd805e724a60,ffff80002a392040) at vrecycle+0x7c sys/kern/vfs_subr.c:1137 ufs_inactive(ffff8000353ea6b0) at ufs_inactive+0x35c sys/ufs/ufs/ufs_inode.c:107 VOP_INACTIVE(fffffd805e724a60,ffff80002a392040) at VOP_INACTIVE+0x104 sys/kern/vfs_vops.c:498 vput(fffffd805e724a60) at vput+0xe5 sys/kern/vfs_subr.c:790 vn_closefile(fffffd805f52c8c8,ffff80002a392040) at vn_closefile+0x13f sys/kern/vfs_vnops.c:616 fdrop(fffffd805f52c8c8,ffff80002a392040) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd805f52c8c8,ffff80002a392040) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80002a392040) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80002a392040,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80002a392040,ffff8000353eaa30,ffff8000353ea980) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff8000353eaa30) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000353eaa30) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7c2175198ec0, count: -15 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff8000353ea4e0 rbx 0xffffffff837a8ddf cpu_info_full_primary+0x2ddf rdx 0 rcx 0xffff80002a392040 rax 0xffffffff837a7ff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xf0917f833f5cc84d r11 0x32ac960bbc28c716 r12 0xffffffff837a8be0 cpu_info_full_primary+0x2be0 r13 0 r14 0 r15 0x1 rip 0xffffffff8277cb75 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff8000353ea4d0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=455200 pid=30891 tcnt=0 stat=onproc flags process=1008 proc=2000 runpri=32, usrpri=84, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff80002a392040 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff80002a393cc8,0xffff80003c49c808 process=0xffff8000fffe6b70 user=0xffff8000353e5000, vmspace=0xfffffd806c1cb7c0 estcpu=34, cpticks=3, pctcpu=0.1, user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 22915 328123 97644 60929 2 0x10 syz-executor 22915 326902 97644 60929 3 0x4000090 fsleep syz-executor 36223 496004 98115 0 2 0x1000000 syz-executor 36223 170948 98115 0 3 0x5000080 fsleep syz-executor 24557 468211 4541 0 2 0 syz-executor 24557 126888 4541 0 2 0x4000000 syz-executor 24557 285765 4541 0 2 0x4000000 syz-executor 75156 255422 95748 0 2 0 syz-executor 75156 99697 95748 0 3 0x4000080 fsleep syz-executor 7855 482819 67250 0 3 0x80 nanoslp syz-executor 7855 292101 67250 0 3 0x4000080 ttyretype syz-executor 7855 166549 67250 0 3 0x4000080 fsleep syz-executor 7855 418290 67250 0 3 0x4000080 fsleep syz-executor 51469 55788 47139 0 3 0x82 nanoslp syz-executor 67802 200250 0 0 3 0x14200 acct acct 4541 95271 47139 0 3 0x82 nanoslp syz-executor 99901 414420 1 0 3 0x100083 ttyopn getty 73263 511836 0 0 3 0x14280 nfsidl nfsio 55176 505478 0 0 3 0x14280 nfsidl nfsio 22285 315574 0 0 3 0x14280 nfsidl nfsio 21342 280529 0 0 3 0x14280 nfsidl nfsio 71056 141387 0 0 3 0x14280 nfsidl nfsio 79311 439434 0 0 3 0x14280 nfsidl nfsio 76109 394533 0 0 3 0x14280 nfsidl nfsio 63248 304997 0 0 3 0x14280 nfsidl nfsio 62517 281050 0 0 3 0x14280 nfsidl nfsio 58288 220063 0 0 3 0x14280 nfsidl nfsio 97129 179372 0 0 3 0x14280 nfsidl nfsio 18780 486729 0 0 3 0x14280 nfsidl nfsio 81348 148039 0 0 3 0x14280 nfsidl nfsio 58634 176126 0 0 3 0x14280 nfsidl nfsio 38716 415281 0 0 3 0x14280 nfsidl nfsio 21504 252711 0 0 3 0x14280 nfsidl nfsio 16289 380848 0 0 3 0x14280 nfsidl nfsio 49676 123348 0 0 3 0x14280 nfsidl nfsio 99132 459480 0 0 3 0x14280 nfsidl nfsio 20507 471147 0 0 3 0x14280 nfsidl nfsio 19550 105365 4022 0 3 0x100082 sbwait arp 4022 380514 1 0 3 0x10008a sigsusp sh 97644 58820 47139 0 3 0x82 nanoslp syz-executor 95748 119724 47139 0 3 0x82 nanoslp syz-executor 98115 330464 47139 0 3 0x82 nanoslp syz-executor 67250 20316 47139 0 3 0x82 nanoslp syz-executor 2798 190701 47139 0 3 0x82 nanoslp syz-executor 11775 354366 47139 0 3 0x82 nanoslp syz-executor 47139 516659 20070 0 3 0x82 kqread syz-executor 20070 476060 43268 0 3 0x10008a sigsusp ksh 43268 30549 80348 0 3 0x98 kqread sshd-session 80348 358815 93874 0 3 0x92 kqread sshd-session 93874 515549 1 0 3 0x88 kqread sshd 98515 58256 32526 74 3 0x1100092 bpf pflogd 32526 207396 1 0 3 0x80 sbwait pflogd 36034 117654 34383 73 3 0x1100090 kqread syslogd 34383 120196 1 0 3 0x100082 sbwait syslogd 97847 239323 1 0 3 0x100080 kqread resolvd 92403 309372 93214 77 3 0x100092 kqread dhcpleased 40323 340207 93214 77 3 0x100092 kqread dhcpleased 93214 213682 1 0 3 0x80 kqread dhcpleased 41324 406201 0 0 3 0x14200 bored smr 18324 298732 0 0 2 0x14200 zerothread 1408 188427 0 0 3 0x14200 aiodoned aiodoned 90392 390416 0 0 3 0x14200 syncer update 55221 20070 0 0 3 0x14200 cleaner cleaner 57021 291037 0 0 3 0x14200 kmmaplk reaper 49133 332600 0 0 3 0x14200 pgdaemon pagedaemon 27488 452488 0 0 3 0x14200 bored viomb 94112 467814 0 0 3 0x40014200 acpi0 acpi0 17047 153036 0 0 7 0x40014200 idle1 76231 409750 0 0 3 0x14200 bored softnet1 33232 499840 0 0 3 0x14200 bored softnet0 73754 87764 0 0 3 0x14200 smrbar systqmp 97711 324547 0 0 3 0x14200 bored systq 24532 221627 0 0 3 0x14200 tmoslp softclockmp 66647 317885 0 0 3 0x40014200 tmoslp softclock 95740 188507 0 0 3 0x40014200 idle0 1 273993 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{0}> show all locks Process 24557 (syz-executor) thread 0xffff80002a270548 (126888) exclusive rrwlock inode r = 0 (0xfffffd806906fb48) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 #6 namei+0x7ca sys/kern/vfs_lookup.c:250 #7 domknodat+0xb4 sys/kern/vfs_syscalls.c:1592 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:765 #9 Xsyscall+0x128 Process 73754 (systqmp) thread 0xffff8000ffffe530 (87764) shared rwlock systqmp r = 0 (0xffffffff83875f58) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 taskq_thread+0x12a sys/kern/kern_task.c:442 #2 proc_trampoline+0x10 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10225 11041K 12373K 166960K 12560 0 pcb 17 16K 17K 166960K 363 0 rtable 235 10K 10K 166960K 621 0 pf 35 17K 21K 166960K 232 0 ifaddr 42 7K 8K 166960K 116 0 ifgroup 55 2K 2K 166960K 191 0 sysctl 2 1K 9K 166960K 11 0 counters 68 36K 38K 166960K 490 0 ioctlops 0 0K 4K 166960K 2082 0 iov 0 0K 28K 166960K 51 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1466 92K 93K 166960K 2518 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 18 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 56 0 dirhash 12 2K 2K 166960K 36 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 20 73K 244K 166960K 1218 0 sigio 0 0K 0K 166960K 12 0 proc 72 115K 179K 166960K 698 0 subproc 81 5K 5K 166960K 90 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 265 0 in_multi 88 6K 7K 166960K 151 0 ether_multi 1 0K 0K 166960K 8 0 mrt 1 0K 0K 166960K 19 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 533 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 281 163K 180K 166960K 13052 0 UVM aobj 17 6K 6K 166960K 18 0 pinsyscall 46 92K 108K 166960K 2411 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 55 0 NDP 12 0K 1K 166960K 79 0 temp 76 8658K 8723K 166960K 78353 0 kqueue 13 20K 33K 166960K 227 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 26 0 0 1 0 1 1 0 8 0 rtpcb 120 196 0 190 3 2 1 3 0 8 0 rtentry 176 168 0 69 5 0 5 5 0 8 0 unpcb 144 812 0 790 11 7 4 6 0 8 3 syncache 336 16 0 16 4 3 1 1 0 8 1 tcpcb 736 314 0 302 6 4 2 5 0 8 0 arp 136 24 0 7 1 0 1 1 0 8 0 inpcb 328 1442 0 1427 17 10 7 8 0 8 5 nd6 152 30 0 6 2 0 2 2 0 8 0 pkpcb 40 16 0 15 4 3 1 1 0 8 0 kcovpl 48 10 0 1 1 0 1 1 0 8 0 ppxss 1192 197 0 197 2 1 1 1 0 8 1 pppxif 1504 9 0 9 4 4 0 1 0 8 0 pffrag 232 21 0 12 1 0 1 1 0 482 0 pffrnode 88 19 0 11 1 0 1 1 0 8 0 pffrent 40 34 0 25 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 pfstitem 24 94 0 37 1 0 1 1 0 8 0 pfstkey 128 94 0 37 2 0 2 2 0 8 0 pfstate 384 94 0 37 6 0 6 6 0 8 0 pfrule 1344 22 0 17 2 1 1 2 0 8 0 rttmr 136 6 0 6 3 3 0 1 0 8 0 art_heap8 4096 3 0 0 3 0 3 3 0 8 0 art_heap4 256 770 0 345 37 8 29 29 0 8 1 art_table 40 773 0 345 5 0 5 5 0 8 0 art_node 32 167 0 73 1 0 1 1 0 8 0 sysvmsgpl 40 23 0 13 1 0 1 1 0 8 0 semupl 112 3 0 3 2 2 0 1 0 8 0 semapl 112 52 0 42 1 0 1 1 0 8 0 shmpl 112 15 0 1 1 0 1 1 0 8 0 dirhash 1024 33 0 16 3 0 3 3 0 8 0 dino2pl 256 3924 0 2416 96 0 96 96 0 8 0 ffsino 296 3924 0 2416 118 1 117 118 0 8 0 nchpl 144 5718 0 5107 65 42 23 64 0 8 0 rtmask 32 11 0 11 5 4 1 1 0 8 1 vnodes 216 4431 0 0 247 0 247 247 0 8 0 namei 1024 20357 0 20356 4 2 2 2 0 8 1 percpumem 16 260 0 211 1 0 1 1 0 8 0 kstatmem 264 124 0 98 5 2 3 3 0 8 1 scsiplug 72 3 0 3 3 2 1 1 0 8 1 scxspl 216 24238 0 24238 12 11 1 8 1 8 1 plimitpl 152 332 0 312 1 0 1 1 0 8 0 sigapl 424 1539 0 1468 9 1 8 8 0 8 0 knotepl 120 464 0 0 14 1 13 13 0 8 0 kqueuepl 224 522 0 513 8 6 2 5 0 8 1 pipepl 344 287 0 254 10 6 4 9 0 8 1 fdescpl 528 1501 0 1467 3 0 3 3 0 8 0 filepl 160 10551 0 10308 27 11 16 16 0 8 4 lockfpl 104 417 0 415 2 1 1 2 0 8 0 lockfspl 48 190 0 188 1 0 1 1 0 8 0 sessionpl 144 32 0 23 1 0 1 1 0 8 0 pgrppl 48 97 0 79 1 0 1 1 0 8 0 ucredpl 104 2319 0 2305 1 0 1 1 0 8 0 zombiepl 144 1879 0 1876 1 0 1 1 0 8 0 processpl 1232 1539 0 1468 6 0 6 6 0 8 0 procpl 664 3340 0 3257 9 1 8 8 0 8 0 sosppl 176 6 0 6 4 3 1 1 0 8 1 sockpl 752 2498 0 2454 32 21 11 17 0 8 6 mcl64k 65536 6 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 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 111 0 0 14 0 14 14 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 69 0 0 7 0 7 7 0 8 0 mtagpl 96 1 0 0 1 0 1 1 0 8 0 mbufpl 256 5961 0 0 373 0 373 373 0 8 0 bufpl 280 8236 0 2099 439 0 439 439 0 8 0 anonpl 32 16476 0 0 133 0 133 133 0 246 0 amapchunkpl 152 43800 0 43130 48 16 32 34 0 158 5 amappl16 200 5859 0 5473 41 5 36 38 0 8 4 amappl15 192 9 0 9 1 1 0 1 0 8 0 amappl14 184 3 0 3 1 1 0 1 0 8 0 amappl13 176 459 0 456 1 0 1 1 0 8 0 amappl12 168 1893 0 1847 3 0 3 3 0 8 0 amappl11 160 8 0 8 1 1 0 1 0 8 0 amappl10 152 80 0 66 1 0 1 1 0 8 0 amappl9 144 256 0 256 2 2 0 1 0 8 0 amappl8 136 29 0 26 1 0 1 1 0 8 0 amappl7 128 112 0 111 1 0 1 1 0 8 0 amappl6 120 305 0 289 1 0 1 1 0 8 0 amappl5 112 83 0 72 1 0 1 1 0 8 0 amappl4 104 484 0 451 1 0 1 1 0 8 0 amappl3 96 7622 0 7514 4 1 3 3 0 8 0 amappl2 88 1663 0 1582 2 0 2 2 0 8 0 amappl1 80 15453 0 14829 15 0 15 15 0 8 0 amappl 88 12056 0 11859 5 0 5 5 0 92 0 uvmvnodes 80 4431 0 0 91 0 91 91 0 8 0 dma65536 65536 1 0 1 1 0 1 1 0 8 1 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 7 0 7 2 2 0 1 0 8 0 dma128 128 255 0 255 3 3 0 1 0 8 0 dma64 64 7 0 7 2 1 1 1 0 8 1 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 17 0 1 1 0 1 1 0 8 0 uaddrrnd 24 1501 0 1467 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1501 0 1467 1 0 1 1 0 8 0 vmmpekpl 168 14298 0 14248 3 0 3 3 0 8 0 vmmpepl 168 104741 0 102289 130 12 118 123 0 357 4 vmsppl 488 1500 0 1467 5 0 5 5 0 8 0 rwobjpl 80 35152 0 29338 122 2 120 120 0 8 0 pdppl 4096 3010 0 2934 114 38 76 86 0 8 0 pvpl 32 24422 0 0 198 1 197 197 0 265 0 pmappl 256 1500 0 1467 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 672 0 58 18 0 18 18 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff83327c0a) at panic+0x1e5 sys/kern/subr_prf.c:198 vgonel(fffffd805e724a60,ffff80002a392040) at vgonel+0x663 vrecycle(fffffd805e724a60,ffff80002a392040) at vrecycle+0x7c sys/kern/vfs_subr.c:1137 ufs_inactive(ffff8000353ea6b0) at ufs_inactive+0x35c sys/ufs/ufs/ufs_inode.c:107 VOP_INACTIVE(fffffd805e724a60,ffff80002a392040) at VOP_INACTIVE+0x104 sys/kern/vfs_vops.c:498 vput(fffffd805e724a60) at vput+0xe5 sys/kern/vfs_subr.c:790 vn_closefile(fffffd805f52c8c8,ffff80002a392040) at vn_closefile+0x13f sys/kern/vfs_vnops.c:616 fdrop(fffffd805f52c8c8,ffff80002a392040) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd805f52c8c8,ffff80002a392040) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80002a392040) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80002a392040,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80002a392040,ffff8000353eaa30,ffff8000353ea980) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff8000353eaa30) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000353eaa30) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7c2175198ec0, count: -15 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff8000299edff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 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+0x457 sys/dev/acpi/acpicpu_x86.c:1224 sched_idle(ffff8000299edff0) at sched_idle+0x391 sys/kern/kern_sched.c:191 end trace frame: 0x0, count: 10 ddb{1}> trace x86_ipi_db(ffff8000299edff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 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+0x457 sys/dev/acpi/acpicpu_x86.c:1224 sched_idle(ffff8000299edff0) at sched_idle+0x391 sys/kern/kern_sched.c:191 end trace frame: 0x0, count: -5