panic: ffs_valloc: dup alloc Stopped at db_enter+0x17: popq %rbp TID PID UID PRFLAGS PFLAGS CPU COMMAND *446931 39319 0 0x2 0 0K syz-executor db_enter() at db_enter+0x17 sys/arch/amd64/amd64/db_interface.c:457 panic(ffffffff849a0220) at panic+0x270 sys/kern/subr_prf.c:198 ffs_inode_alloc(ffff800001e09760,41ed,ffff800000119478,ffff800029a366a0) at ffs_inode_alloc+0xcd7 ufs_mkdir(ffff800029a36940) at ufs_mkdir+0x25d sys/ufs/ufs/ufs_vnops.c:1112 VOP_MKDIR(ffff800001e13878,ffff800029a36b50,ffff800029a36b80,ffff800029a36a40) at VOP_MKDIR+0x1a8 sys/kern/vfs_vops.c:394 domkdirat(ffff800045ffd4d8,ffffff9c,7a595a75c2d0,1ff) at domkdirat+0x1f9 sys/kern/vfs_syscalls.c:3063 syscall(ffff800029a36e20) at syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800029a36e20) at syscall+0x1089 sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7a595a75c370, count: 7 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: ffs_valloc: dup alloc ddb{0}> show kasan kasan: no report recorded this boot ddb{0}> trace db_enter() at db_enter+0x17 sys/arch/amd64/amd64/db_interface.c:457 panic(ffffffff849a0220) at panic+0x270 sys/kern/subr_prf.c:198 ffs_inode_alloc(ffff800001e09760,41ed,ffff800000119478,ffff800029a366a0) at ffs_inode_alloc+0xcd7 ufs_mkdir(ffff800029a36940) at ufs_mkdir+0x25d sys/ufs/ufs/ufs_vnops.c:1112 VOP_MKDIR(ffff800001e13878,ffff800029a36b50,ffff800029a36b80,ffff800029a36a40) at VOP_MKDIR+0x1a8 sys/kern/vfs_vops.c:394 domkdirat(ffff800045ffd4d8,ffffff9c,7a595a75c2d0,1ff) at domkdirat+0x1f9 sys/kern/vfs_syscalls.c:3063 syscall(ffff800029a36e20) at syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800029a36e20) at syscall+0x1089 sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7a595a75c370, count: -8 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff800029a36410 rbx 0xffff800029a36480 rdx 0 rcx 0xffffffff851b7ff0 cpu_info_full_primary+0x1ff0 rax 0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xffff800029a363f8 r11 0xffffffff82bb0da0 x86_bus_space_io_read_1 r12 0xffffffff849a0220 .str.17 r13 0xffffffff851b8c08 cpu_info_full_primary+0x2c08 r14 0xffffffff851b8e07 cpu_info_full_primary+0x2e07 r15 0x1 rip 0xffffffff810b7607 db_enter+0x17 cs 0x8 rflags 0x246 rsp 0xffff800029a36410 ss 0x10 db_enter+0x17: popq %rbp ddb{0}> show proc PROC (syz-executor) tid=446931 pid=39319 tcnt=1 stat=onproc flags process=2 proc=0 runpri=17, usrpri=86, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff800045ffc018,0xffffffff85428ee0 process=0xffff8000298a4008 user=0xffff800029a2b000, vmspace=0xffff800001c4e3e8 estcpu=36, cpticks=14, pctcpu=0.0, user=0, sys=13, intr=0 ddb{0}> ps PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND *39319 446931 32132 0 7 0x2 0 syz-executor 72082 37048 32132 0 3 0x2 0 biowait syz-executor 59993 392024 32132 0 3 0x2 0x80 piperd syz-executor 60718 435241 32132 0 3 0x2 0x80 piperd syz-executor 39335 373985 32132 0 3 0x2 0x80 piperd syz-executor 8850 440351 32132 0 3 0x2 0x80 piperd syz-executor 9659 52448 45631 0 3 0x100002 0x80 sbwait arp 45631 68642 85283 0 3 0x100002 0x88 sigsusp sh 85283 72449 32132 0 3 0x2 0x80 wait syz-executor 32132 379901 61241 0 3 0x2 0x80 nanoslp syz-executor 61241 325336 3208 0 3 0x100002 0x88 sigsusp ksh 3208 267891 69973 0 3 0x10 0x88 kqread sshd-session 69973 44484 82614 0 3 0x12 0x80 kqread sshd-session 12715 169569 1 0 3 0x100003 0x80 ttyin getty 82614 20100 1 0 3 0 0x88 kqread sshd 62511 247099 69931 74 3 0x1100012 0x80 bpf pflogd 69931 7288 1 0 3 0 0x80 sbwait pflogd 75782 504220 81880 73 3 0x1100010 0x80 kqread syslogd 81880 148090 1 0 3 0x100002 0x80 sbwait syslogd 71271 340471 1 0 3 0x100000 0x80 kqread resolvd 5530 162720 98480 77 3 0x100012 0x80 kqread dhcpleased 49319 348006 98480 77 3 0x100012 0x80 kqread dhcpleased 98480 277407 1 0 3 0 0x80 kqread dhcpleased 83884 13569 0 0 3 0x14000 0x200 bored smr 324 274288 0 0 3 0x14000 0x200 pgzero zerothread 61244 59087 0 0 3 0x14000 0x200 aiodoned aiodoned 29519 68096 0 0 3 0x14000 0x200 syncer update 37524 273160 0 0 3 0x14000 0x200 cleaner cleaner 67490 382897 0 0 3 0x14000 0x200 reaper reaper 12073 104358 0 0 3 0x14000 0x200 pgdaemon pagedaemon 47531 344240 0 0 3 0x14000 0x200 bored viomb 15857 297447 0 0 3 0x14000 0x40000200 acpi0 acpi0 21661 415322 0 0 7 0x14000 0x40000200 idle1 60444 246943 0 0 3 0x14000 0x200 bored softnet1 14498 102318 0 0 3 0x14000 0x200 bored softnet0 88647 392038 0 0 3 0x14000 0x200 smrbar systqmp 18261 251231 0 0 3 0x14000 0x200 bored systq 68161 360685 0 0 3 0x14000 0x200 tmoslp softclockmp 56884 176786 0 0 3 0x14000 0x40000200 tmoslp softclock 56229 484917 0 0 3 0x14000 0x40000200 idle0 1 252415 0 0 3 0x2 0x80 wait init 0 0 -1 0 3 0x10000 0x200 scheduler swapper ddb{0}> show all locks Process 39319 (syz-executor) thread 0xffff800045ffd4d8 (446931) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff85e55840) #0 witness_lock+0x632 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x632 sys/kern/subr_witness.c:1160 #1 __mp_acquire_count+0x48 sys/kern/kern_lock.c:-1 #2 sleep_finish+0x423 sys/kern/kern_synch.c:369 #3 biowait+0xe6 sys/kern/vfs_bio.c:1110 #4 ffs_vget+0x4c4 sys/ufs/ffs/ffs_vfsops.c:1249 #5 ffs_inode_alloc+0x576 sys/ufs/ffs/ffs_alloc.c:393 #6 ufs_mkdir+0x25d sys/ufs/ufs/ufs_vnops.c:1112 #7 VOP_MKDIR+0x1a8 sys/kern/vfs_vops.c:394 #8 domkdirat+0x1f9 sys/kern/vfs_syscalls.c:3063 #9 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] #9 syscall+0x1089 sys/arch/amd64/amd64/trap.c:791 #10 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xffff800001a04110) #0 witness_lock+0x632 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x632 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x53e sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xf0 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0x17e sys/kern/vfs_vops.c:527 #4 ufs_ihashins+0xda sys/ufs/ufs/ufs_ihash.c:146 #5 ffs_vget+0x2e9 sys/ufs/ffs/ffs_vfsops.c:1232 #6 ffs_inode_alloc+0x576 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0x25d sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x1a8 sys/kern/vfs_vops.c:394 #9 domkdirat+0x1f9 sys/kern/vfs_syscalls.c:3063 #10 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0x1089 sys/arch/amd64/amd64/trap.c:791 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xffff800001e09800) #0 witness_lock+0x632 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x632 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x53e sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xf0 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0x17e sys/kern/vfs_vops.c:527 #4 vn_lock+0xca sys/kern/vfs_vnops.c:576 #5 vfs_lookup+0x1f7 sys/kern/vfs_lookup.c:431 #6 namei+0xe19 sys/kern/vfs_lookup.c:250 #7 domkdirat+0xe1 sys/kern/vfs_syscalls.c:3048 #8 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0x1089 sys/arch/amd64/amd64/trap.c:791 #9 Xsyscall+0x128 Process 72082 (syz-executor) thread 0xffff800045ffc018 (37048) exclusive rrwlock inode r = 0 (0xffff800001e096d8) #0 witness_lock+0x632 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x632 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x53e sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xf0 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0x17e sys/kern/vfs_vops.c:527 #4 ufs_ihashins+0xda sys/ufs/ufs/ufs_ihash.c:146 #5 ffs_vget+0x2e9 sys/ufs/ffs/ffs_vfsops.c:1232 #6 ffs_inode_alloc+0x576 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0x25d sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x1a8 sys/kern/vfs_vops.c:394 #9 domkdirat+0x1f9 sys/kern/vfs_syscalls.c:3063 #10 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0x1089 sys/arch/amd64/amd64/trap.c:791 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xffff800001e095b0) #0 witness_lock+0x632 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x632 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x53e sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xf0 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0x17e sys/kern/vfs_vops.c:527 #4 vn_lock+0xca sys/kern/vfs_vnops.c:576 #5 vfs_lookup+0x1f7 sys/kern/vfs_lookup.c:431 #6 namei+0xe19 sys/kern/vfs_lookup.c:250 #7 domkdirat+0xe1 sys/kern/vfs_syscalls.c:3048 #8 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0x1089 sys/arch/amd64/amd64/trap.c:791 #9 Xsyscall+0x128 Process 88647 (systqmp) thread 0xffff800045ffecf8 (392038) shared rwlock systqmp r = 0 (0xffffffff85406ad8) #0 witness_lock+0x632 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x632 sys/kern/subr_witness.c:1160 #1 taskq_thread+0x1ba sys/kern/kern_task.c:442 #2 proc_trampoline+0x10 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11053 12245K 12615K 166960K 12431 0 pcb 17 24K 24K 166960K 31 0 rtable 199 10K 12K 166960K 991 0 pf 32 21K 22K 166960K 107 0 ifaddr 37 11K 12K 166960K 144 0 ifgroup 51 2K 2K 166960K 163 0 sysctl 3 1K 13K 166960K 11 0 counters 68 42K 43K 166960K 132 0 ioctlops 0 0K 4K 166960K 1530 0 iov 0 0K 0K 166960K 2 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1303 84K 84K 166960K 1688 0 UFS quota 1 36K 36K 166960K 1 0 UFS mount 5 44K 44K 166960K 5 0 shm 2 328K 332K 166960K 8 0 VM map 2 1K 1K 166960K 2 0 sem 7 0K 0K 166960K 7 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1734 201K 292K 166960K 11964 0 file desc 11 37K 89K 166960K 585 0 proc 70 128K 177K 166960K 1188 0 subproc 63 7K 9K 166960K 270 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 20K 20K 166960K 1 0 ip_moptions 0 0K 0K 166960K 6 0 in_multi 78 5K 6K 166960K 333 0 ether_multi 1 0K 0K 166960K 1 0 mrt 1 0K 0K 166960K 15 0 ISOFS mount 1 36K 36K 166960K 1 0 MSDOSFS mount 1 20K 20K 166960K 1 0 ttys 55 384K 384K 166960K 55 0 exec 0 0K 2K 166960K 666 0 fusefs mount 1 36K 36K 166960K 1 0 tdb 3 1K 1K 166960K 3 0 VM swap 14 124K 124K 166960K 15 0 UVM amap 177 221K 252K 166960K 6017 0 UVM aobj 9 4K 4K 166960K 10 0 pinsyscall 1061 1781K 1806K 166960K 2304 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 NDP 17 0K 1K 166960K 101 0 temp 30 9166K 9194K 166960K 6967 0 kqueue 13 40K 48K 166960K 46 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 28 0 0 1 0 1 1 0 8 0 rtpcb 120 78 0 74 1 0 1 1 0 8 0 rtentry 176 346 0 255 5 0 5 5 0 8 0 unpcb 144 137 0 120 2 0 2 2 0 8 1 syncache 336 4 0 4 1 1 0 1 0 8 0 tcpcb 736 18 0 14 1 0 1 1 0 8 0 arp 136 61 0 46 1 0 1 1 0 8 0 inpcb 328 235 0 228 4 0 4 4 0 8 3 nd6 152 88 0 70 1 0 1 1 0 8 0 kcovpl 48 30 0 23 1 0 1 1 0 8 0 ppxss 1192 8 0 8 1 0 1 1 0 8 1 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 35 0 2 1 0 1 1 0 8 0 pfstkey 128 35 0 2 2 0 2 2 0 8 0 pfstate 448 35 0 2 4 0 4 4 0 8 0 pfrule 1360 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 1388 0 1014 29 2 27 27 0 8 3 art_table 40 1389 0 1014 5 0 5 5 0 8 0 art_node 32 346 0 261 1 0 1 1 0 8 0 semapl 72 5 0 0 1 0 1 1 0 8 0 shmpl 112 7 0 1 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1833 0 317 95 0 95 95 0 8 0 ffsino 296 1833 0 317 117 0 117 117 0 8 0 nchpl 144 2215 0 429 67 0 67 67 0 8 0 vnodes 216 2197 0 0 123 0 123 123 0 8 0 namei 1024 10861 0 10859 3 2 1 2 0 8 0 percpumem 16 82 0 32 1 0 1 1 0 8 0 kstatmem 264 89 0 64 2 0 2 2 0 8 0 scxspl 216 7928 0 7927 11 3 8 8 1 8 7 plimitpl 152 67 0 51 1 0 1 1 0 8 0 sigapl 424 858 0 817 7 0 7 7 0 8 0 knotepl 120 149 0 0 5 0 5 5 0 8 0 kqueuepl 224 57 0 48 1 0 1 1 0 8 0 pipepl 344 207 0 180 3 0 3 3 0 8 0 fdescpl 528 842 0 817 3 0 3 3 0 8 0 filepl 160 3037 0 2841 13 0 13 13 0 8 2 lockfpl 104 35 0 33 1 0 1 1 0 8 0 lockfspl 48 15 0 13 1 0 1 1 0 8 0 sessionpl 144 50 0 41 1 0 1 1 0 8 0 pgrppl 48 81 0 65 1 0 1 1 0 8 0 ucredpl 104 259 0 246 1 0 1 1 0 8 0 zombiepl 144 817 0 817 1 0 1 1 0 8 1 processpl 1232 858 0 817 5 0 5 5 0 8 0 procpl 664 1157 0 1116 6 0 6 6 0 8 0 sockpl 752 452 0 424 7 0 7 7 0 8 4 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl9k128 9344 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 130 0 0 17 0 17 17 0 8 0 mcl2k 2048 27 0 0 4 0 4 4 0 8 0 mextrefs 64 26 0 0 1 0 1 1 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 191 0 0 12 0 12 12 0 8 0 bufpl 272 2577 0 106 165 0 165 165 0 8 0 anonpl 32 3762 0 0 31 0 31 31 0 222 0 amapchunkpl 152 16519 0 16229 22 0 22 22 0 158 4 amappl16 200 1789 0 1776 5 3 2 5 0 8 1 amappl15 192 8 0 7 1 0 1 1 0 8 0 amappl14 184 732 0 730 1 0 1 1 0 8 0 amappl13 176 181 0 168 1 0 1 1 0 8 0 amappl12 168 1176 0 1152 2 0 2 2 0 8 0 amappl11 160 8 0 7 1 0 1 1 0 8 0 amappl10 152 87 0 72 1 0 1 1 0 8 0 amappl9 144 273 0 273 1 1 0 1 0 8 0 amappl8 136 254 0 252 1 0 1 1 0 8 0 amappl7 128 203 0 189 1 0 1 1 0 8 0 amappl6 120 373 0 370 1 0 1 1 0 8 0 amappl5 112 99 0 89 1 0 1 1 0 8 0 amappl4 104 366 0 345 1 0 1 1 0 8 0 amappl3 96 3078 0 3017 3 0 3 3 0 8 0 amappl2 88 877 0 806 2 0 2 2 0 8 0 amappl1 80 13737 0 13127 16 1 15 16 0 8 0 amappl 88 4910 0 4807 5 0 5 5 0 92 0 uvmvnodes 80 102 0 0 3 0 3 3 0 8 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 19 0 18 1 0 1 1 0 8 0 aobjpl 72 9 0 1 1 0 1 1 0 8 0 uaddrrnd 24 842 0 817 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 842 0 817 1 0 1 1 0 8 0 vmmpekpl 168 8942 0 8891 3 0 3 3 0 8 0 vmmpepl 168 62857 0 61280 91 2 89 90 0 357 3 vmsppl 488 841 0 817 5 0 5 5 0 8 0 rwobjpl 80 20657 0 19663 29 4 25 26 0 8 0 pdppl 4096 1693 0 1634 115 38 77 85 0 8 18 pvpl 32 10176 0 0 83 0 83 83 0 265 0 pmappl 256 841 0 817 3 0 3 3 0 8 0 extentpl 40 47 0 29 1 0 1 1 0 8 0 phpool 120 461 0 46 13 0 13 13 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x17 sys/arch/amd64/amd64/db_interface.c:457 panic(ffffffff849a0220) at panic+0x270 sys/kern/subr_prf.c:198 ffs_inode_alloc(ffff800001e09760,41ed,ffff800000119478,ffff800029a366a0) at ffs_inode_alloc+0xcd7 ufs_mkdir(ffff800029a36940) at ufs_mkdir+0x25d sys/ufs/ufs/ufs_vnops.c:1112 VOP_MKDIR(ffff800001e13878,ffff800029a36b50,ffff800029a36b80,ffff800029a36a40) at VOP_MKDIR+0x1a8 sys/kern/vfs_vops.c:394 domkdirat(ffff800045ffd4d8,ffffff9c,7a595a75c2d0,1ff) at domkdirat+0x1f9 sys/kern/vfs_syscalls.c:3063 syscall(ffff800029a36e20) at syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800029a36e20) at syscall+0x1089 sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7a595a75c370, count: -8 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x19: leave x86_ipi_db(ffff800028fe3ff0) at x86_ipi_db+0x19 sys/arch/amd64/amd64/db_interface.c:412 x86_ipi_handler() at x86_ipi_handler+0x112 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 acpicpu_idle() at acpicpu_idle+0x63c sys/dev/acpi/acpicpu_x86.c:-1 sched_idle(ffff800028fe3ff0) at sched_idle+0x566 sys/kern/kern_sched.c:204 end trace frame: 0x0, count: 10 ddb{1}> trace x86_ipi_db(ffff800028fe3ff0) at x86_ipi_db+0x19 sys/arch/amd64/amd64/db_interface.c:412 x86_ipi_handler() at x86_ipi_handler+0x112 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 acpicpu_idle() at acpicpu_idle+0x63c sys/dev/acpi/acpicpu_x86.c:-1 sched_idle(ffff800028fe3ff0) at sched_idle+0x566 sys/kern/kern_sched.c:204 end trace frame: 0x0, count: -5