panic: rw_enter: pf_state_lock locking against myself Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND * 78452 67942 0 0 0x4000000 0K syz-executor.1 db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff8240652b) at panic+0x15e sys/kern/subr_prf.c:218 rw_enter(ffffffff826db7e0,1) at rw_enter+0x4bd rw_enter_diag sys/kern/kern_rwlock.c:183 [inline] rw_enter(ffffffff826db7e0,1) at rw_enter+0x4bd sys/kern/kern_rwlock.c:274 pf_state_insert(ffff800000bd5400,ffff800022f7f628,ffff800022f7f630,fffffd806d9cf780) at pf_state_insert+0xa0 sys/net/pf.c:951 pfsync_state_import(ffff800000b23600,1) at pfsync_state_import+0xcbe sys/net/if_pfsync.c:699 pfioctl(4900,c1084425,ffff800000b23600,3,ffff80002129e010) at pfioctl+0x50ac sys/net/pf_ioctl.c:1729 VOP_IOCTL(fffffd806f71fb80,c1084425,ffff800000b23600,3,fffffd807f7b7900,ffff80002129e010) at VOP_IOCTL+0x9a sys/kern/vfs_vops.c:297 vn_ioctl(fffffd806a4f1310,c1084425,ffff800000b23600,ffff80002129e010) at vn_ioctl+0xba sys/kern/vfs_vnops.c:531 sys_ioctl(ffff80002129e010,ffff800022f7fad8,ffff800022f7fb20) at sys_ioctl+0x4b0 syscall(ffff800022f7fba0) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800022f7fba0) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x68fcbe6e610, count: 4 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 rw_enter: pf_state_lock locking against myself ddb{0}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff8240652b) at panic+0x15e sys/kern/subr_prf.c:218 rw_enter(ffffffff826db7e0,1) at rw_enter+0x4bd rw_enter_diag sys/kern/kern_rwlock.c:183 [inline] rw_enter(ffffffff826db7e0,1) at rw_enter+0x4bd sys/kern/kern_rwlock.c:274 pf_state_insert(ffff800000bd5400,ffff800022f7f628,ffff800022f7f630,fffffd806d9cf780) at pf_state_insert+0xa0 sys/net/pf.c:951 pfsync_state_import(ffff800000b23600,1) at pfsync_state_import+0xcbe sys/net/if_pfsync.c:699 pfioctl(4900,c1084425,ffff800000b23600,3,ffff80002129e010) at pfioctl+0x50ac sys/net/pf_ioctl.c:1729 VOP_IOCTL(fffffd806f71fb80,c1084425,ffff800000b23600,3,fffffd807f7b7900,ffff80002129e010) at VOP_IOCTL+0x9a sys/kern/vfs_vops.c:297 vn_ioctl(fffffd806a4f1310,c1084425,ffff800000b23600,ffff80002129e010) at vn_ioctl+0xba sys/kern/vfs_vnops.c:531 sys_ioctl(ffff80002129e010,ffff800022f7fad8,ffff800022f7fb20) at sys_ioctl+0x4b0 syscall(ffff800022f7fba0) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800022f7fba0) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x68fcbe6e610, count: -11 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff800022f7f430 rbx 0xffff800022f7f440 rdx 0x8b rcx 0x2 rax 0x1 r8 0xffffffff82038635 kprintf+0x145 r9 0x1 r10 0x5927c9191e5d0ceb r11 0x64ba3204b70065eb r12 0x3000000008 r13 0xffff800022f7f4e0 r14 0x100 r15 0x1 rip 0xffffffff81c04668 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800022f7f420 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.1) pid=78452 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff80002129e2b0,0xffffffff828cbd48 process=0xffff800022318450 user=0xffff800022f7a000, vmspace=0xfffffd8069f4b2f0 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 67942 402516 86047 0 2 0 syz-executor.1 *67942 78452 86047 0 7 0x4000000 syz-executor.1 32099 411258 98123 0 3 0x80 nanoslp syz-executor.0 32099 360240 98123 0 3 0x4000080 bell syz-executor.0 86047 106371 8515 0 3 0x82 nanoslp syz-executor.1 98123 413061 8515 0 3 0x82 nanoslp syz-executor.0 52567 487391 0 0 3 0x14200 acct acct 98755 472798 0 0 3 0x14280 nfsidl nfsio 44337 56097 0 0 3 0x14280 nfsidl nfsio 4302 83729 0 0 3 0x14280 nfsidl nfsio 64146 508367 0 0 3 0x14280 nfsidl nfsio 75678 503316 0 0 3 0x14280 nfsidl nfsio 44484 433813 0 0 3 0x14280 nfsidl nfsio 66948 507655 0 0 3 0x14280 nfsidl nfsio 48771 36430 0 0 3 0x14280 nfsidl nfsio 6892 343813 0 0 3 0x14280 nfsidl nfsio 84544 255546 0 0 3 0x14280 nfsidl nfsio 70237 42107 0 0 3 0x14280 nfsidl nfsio 58101 76959 0 0 3 0x14280 nfsidl nfsio 9814 178620 0 0 3 0x14280 nfsidl nfsio 60336 357583 0 0 3 0x14280 nfsidl nfsio 77713 6838 0 0 3 0x14280 nfsidl nfsio 41207 167491 0 0 3 0x14280 nfsidl nfsio 98730 364682 0 0 3 0x14280 nfsidl nfsio 52675 377389 0 0 3 0x14280 nfsidl nfsio 32095 141218 0 0 3 0x14280 nfsidl nfsio 29443 480653 0 0 3 0x14280 nfsidl nfsio 95284 489235 0 0 3 0x14200 bored sosplice 8515 435897 52804 0 3 0x82 thrsleep syz-fuzzer 8515 426937 52804 0 3 0x4000082 thrsleep syz-fuzzer 8515 221262 52804 0 3 0x4000082 kqread syz-fuzzer 8515 188802 52804 0 3 0x4000082 thrsleep syz-fuzzer 8515 55016 52804 0 3 0x4000082 thrsleep syz-fuzzer 8515 433796 52804 0 3 0x4000082 thrsleep syz-fuzzer 8515 407860 52804 0 3 0x4000082 thrsleep syz-fuzzer 8515 491534 52804 0 3 0x4000082 thrsleep syz-fuzzer 52804 170866 11191 0 3 0x10008a sigsusp ksh 11191 355502 2463 0 3 0x92 select sshd 87560 349240 1 0 3 0x100083 ttyin getty 2463 328487 1 0 3 0x80 select sshd 97002 119163 33555 74 3 0x100092 bpf pflogd 33555 23509 1 0 3 0x80 netio pflogd 34703 405178 71647 73 3 0x100090 kqread syslogd 71647 277706 1 0 3 0x100082 netio syslogd 79101 426153 1 77 3 0x100090 poll dhclient 53317 109074 1 0 3 0x80 poll dhclient 26563 118116 0 0 3 0x14200 bored smr 58659 434310 0 0 2 0x14200 zerothread 90967 400501 0 0 3 0x14200 aiodoned aiodoned 33090 423659 0 0 3 0x14200 syncer update 28296 348560 0 0 3 0x14200 cleaner cleaner 55915 175092 0 0 3 0x14200 reaper reaper 58588 471119 0 0 3 0x14200 pgdaemon pagedaemon 70185 229303 0 0 3 0x14200 bored crynlk 33266 208428 0 0 3 0x14200 bored crypto 63518 451466 0 0 3 0x14200 bored viomb 51779 307970 0 0 3 0x40014200 acpi0 acpi0 96083 509138 0 0 7 0x40014200 idle1 48445 424115 0 0 3 0x14200 bored softnet 48871 347241 0 0 3 0x14200 bored systqmp 10885 430997 0 0 3 0x14200 bored systq 25889 288667 0 0 3 0x40014200 bored softclock 56876 267218 0 0 3 0x40014200 idle0 1 178339 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 67942 (syz-executor.1) thread 0xffff80002129e010 (78452) exclusive rwlock pf_state_lock r = 0 (0xffffffff826db7f0) #0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4b0 sys/kern/subr_witness.c:1182 #1 pfioctl+0x509f sys/net/pf_ioctl.c:1729 #2 VOP_IOCTL+0x9a sys/kern/vfs_vops.c:297 #3 vn_ioctl+0xba sys/kern/vfs_vnops.c:531 #4 sys_ioctl+0x4b0 #5 syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] #5 syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590 #6 Xsyscall+0x128 exclusive rwlock pf_lock r = 0 (0xffffffff826db7c0) #0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4b0 sys/kern/subr_witness.c:1182 #1 pfioctl+0x5093 sys/net/pf_ioctl.c:1728 #2 VOP_IOCTL+0x9a sys/kern/vfs_vops.c:297 #3 vn_ioctl+0xba sys/kern/vfs_vnops.c:531 #4 sys_ioctl+0x4b0 #5 syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] #5 syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590 #6 Xsyscall+0x128 exclusive rwlock netlock r = 0 (0xffffffff82721440) #0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4b0 sys/kern/subr_witness.c:1182 #1 pfioctl+0x2de3 sys/net/pf_ioctl.c:1727 #2 VOP_IOCTL+0x9a sys/kern/vfs_vops.c:297 #3 vn_ioctl+0xba sys/kern/vfs_vnops.c:531 #4 sys_ioctl+0x4b0 #5 syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] #5 syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590 #6 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff828cbf70) #0 witness_lock+0x4b0 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4b0 sys/kern/subr_witness.c:1182 #1 vn_ioctl+0x40 sys/kern/vfs_vnops.c:514 #2 sys_ioctl+0x4b0 #3 syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] #3 syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590 #4 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9541 6448K 7210K 78643K 16602 0 pcb 13 8K 8K 78643K 277 0 rtable 107 3K 3K 78643K 760 0 ifaddr 74 14K 14K 78643K 264 0 sysctl 3 1K 1K 78643K 3 0 counters 44 34K 34K 78643K 126 0 ioctlops 1 0K 4K 78643K 1647 0 iov 0 0K 16K 78643K 104 0 mount 1 1K 1K 78643K 1 0 vnodes 1223 77K 77K 78643K 3179 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 9 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 298 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12598 0 file desc 6 17K 25K 78643K 4652 0 sigio 0 0K 0K 78643K 31 0 proc 63 63K 95K 78643K 832 0 subproc 32 2K 2K 78643K 119 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 2 0K 0K 78643K 237 0 in_multi 33 2K 2K 78643K 167 0 ether_multi 1 0K 0K 78643K 36 0 mrt 0 0K 0K 78643K 20 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 55 254K 254K 78643K 55 0 exec 0 0K 2K 78643K 599 0 pfkey data 0 0K 0K 78643K 10 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 7 26K 26K 78643K 7 0 UVM amap 173 159K 190K 78643K 10760 0 UVM aobj 12 2K 2K 78643K 12 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 222 0 NDP 13 0K 0K 78643K 68 0 temp 135 3978K 4074K 78643K 16475 0 kqueue 3 4K 12K 78643K 191 0 SYN cache 2 12K 20K 78643K 3 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 18 0 11 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 120 160 0 158 1 0 1 1 0 8 0 rtentry 112 115 0 70 2 0 2 2 0 8 0 unpcb 120 918 0 902 2 1 1 2 0 8 0 syncache 296 15 0 15 3 3 0 1 0 8 0 tcpqe 32 27 0 27 3 3 0 1 0 8 0 tcpcb 736 522 0 518 8 7 1 3 0 8 0 inpcb 304 1585 0 1572 5 3 2 2 0 8 1 nd6 48 21 0 15 1 0 1 1 0 8 0 pkpcb 40 38 0 38 6 6 0 1 0 8 0 kcovpl 48 7 0 5 1 0 1 1 0 8 0 swfcl 56 4 0 0 1 0 1 1 0 8 0 ppxss 1128 16 0 16 3 3 0 1 0 8 0 pfstscr 40 2 0 0 1 0 1 1 0 8 0 pffrag 232 5 0 5 1 1 0 1 0 482 0 pffrnode 88 5 0 5 1 1 0 1 0 8 0 pffrent 40 20 0 20 1 1 0 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 34 0 32 1 0 1 1 0 8 0 pfstkey 112 36 0 32 1 0 1 1 0 8 0 pfstate 320 35 0 32 2 1 1 2 0 8 0 pfrule 1360 65 0 59 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 429 0 237 14 2 12 13 0 8 0 art_table 32 430 0 237 2 0 2 2 0 8 0 art_node 16 111 0 70 1 0 1 1 0 8 0 sysvmsgpl 40 29 0 18 1 0 1 1 0 8 0 semupl 112 10 0 10 1 1 0 1 0 8 0 semapl 112 286 0 276 1 0 1 1 0 8 0 shmpl 112 9 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 7244 0 5843 89 1 88 89 0 8 0 ffsino 272 7244 0 5843 94 0 94 94 0 8 0 nchpl 144 12616 0 11022 60 0 60 60 0 8 0 uvmvnodes 72 5926 0 0 108 0 108 108 0 8 0 vnodes 224 5926 0 0 349 0 349 349 0 8 0 namei 1024 31475 0 31475 1 0 1 1 0 8 1 percpumem 16 74 0 41 1 0 1 1 0 8 0 vcpupl 1984 10 0 0 2 0 2 2 0 8 0 vmpool 560 18 0 8 1 0 1 1 0 8 0 scsiplug 72 12 0 12 2 2 0 1 0 8 0 scxspl 216 37424 0 37424 8 7 1 7 0 8 1 plimitpl 152 107 0 99 1 0 1 1 0 8 0 sigapl 424 4875 0 4820 7 0 7 7 0 8 0 futexpl 56 33014 0 33014 1 0 1 1 0 8 1 knotepl 112 351 0 331 1 0 1 1 0 8 0 kqueuepl 168 1629 0 1621 1 0 1 1 0 8 0 pipepl 336 197 0 186 2 0 2 2 0 8 0 fdescpl 496 4837 0 4820 3 0 3 3 0 8 0 filepl 152 14823 0 14714 7 2 5 6 0 8 0 lockfpl 104 936 0 935 1 0 1 1 0 8 0 lockfspl 48 255 0 254 1 0 1 1 0 8 0 sessionpl 144 23 0 12 1 0 1 1 0 8 0 pgrppl 48 28 0 17 1 0 1 1 0 8 0 ucredpl 96 1575 0 1566 1 0 1 1 0 8 0 zombiepl 144 4820 0 4820 1 0 1 1 0 8 1 processpl 1080 4875 0 4820 4 0 4 4 0 8 0 procpl 672 9821 0 9757 6 0 6 6 0 8 0 sosppl 168 46 0 46 3 3 0 1 0 8 0 sockpl 432 2739 0 2713 11 7 4 6 0 8 0 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 5 0 0 1 0 1 1 0 8 0 mcl9k 9216 4 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 6 0 0 1 0 1 1 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 236 0 0 16 0 16 16 0 8 0 mtagpl 96 300 0 0 8 0 8 8 0 8 0 mbufpl 256 741 0 0 42 0 42 42 0 8 0 bufpl 280 11331 0 5082 447 0 447 447 0 8 0 anonpl 24 378862 0 372074 160 74 86 90 0 186 42 amapchunkpl 152 16759 0 16572 14 5 9 10 0 158 0 amappl16 200 17773 0 17521 78 57 21 37 0 8 6 amappl15 192 1537 0 1535 1 0 1 1 0 8 0 amappl14 184 37 0 31 1 0 1 1 0 8 0 amappl13 176 80 0 79 1 0 1 1 0 8 0 amappl12 168 6 0 3 1 0 1 1 0 8 0 amappl11 160 74 0 57 1 0 1 1 0 8 0 amappl10 152 2399 0 2394 1 0 1 1 0 8 0 amappl9 144 293 0 290 1 0 1 1 0 8 0 amappl8 136 989 0 913 3 0 3 3 0 8 0 amappl7 128 583 0 571 1 0 1 1 0 8 0 amappl6 120 2500 0 2485 1 0 1 1 0 8 0 amappl5 112 5563 0 5543 1 0 1 1 0 8 0 amappl4 104 327 0 301 1 0 1 1 0 8 0 amappl3 96 245 0 238 1 0 1 1 0 8 0 amappl2 88 37800 0 37718 3 1 2 3 0 8 0 amappl1 80 137372 0 136875 29 18 11 21 0 8 0 amappl 88 10211 0 10141 2 0 2 2 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 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 18 0 17 1 0 1 1 0 8 0 aobjpl 64 11 0 0 1 0 1 1 0 8 0 uaddrrnd 24 4855 0 4828 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 4855 0 4828 1 0 1 1 0 8 0 vmmpekpl 168 20827 0 20789 2 0 2 2 0 8 0 vmmpepl 168 602945 0 601320 143 55 88 92 0 357 17 vmsppl 368 4854 0 4828 3 0 3 3 0 8 0 rwobjpl 56 122329 0 121326 44 27 17 21 0 8 2 pdppl 4096 9717 0 9666 71 20 51 53 0 8 0 pvpl 32 1526736 0 1516654 281 133 148 155 0 265 61 pmappl 232 4854 0 4828 3 1 2 2 0 8 0 extentpl 40 58 0 40 1 0 1 1 0 8 0 phpool 112 353 0 33 10 0 10 10 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff8240652b) at panic+0x15e sys/kern/subr_prf.c:218 rw_enter(ffffffff826db7e0,1) at rw_enter+0x4bd rw_enter_diag sys/kern/kern_rwlock.c:183 [inline] rw_enter(ffffffff826db7e0,1) at rw_enter+0x4bd sys/kern/kern_rwlock.c:274 pf_state_insert(ffff800000bd5400,ffff800022f7f628,ffff800022f7f630,fffffd806d9cf780) at pf_state_insert+0xa0 sys/net/pf.c:951 pfsync_state_import(ffff800000b23600,1) at pfsync_state_import+0xcbe sys/net/if_pfsync.c:699 pfioctl(4900,c1084425,ffff800000b23600,3,ffff80002129e010) at pfioctl+0x50ac sys/net/pf_ioctl.c:1729 VOP_IOCTL(fffffd806f71fb80,c1084425,ffff800000b23600,3,fffffd807f7b7900,ffff80002129e010) at VOP_IOCTL+0x9a sys/kern/vfs_vops.c:297 vn_ioctl(fffffd806a4f1310,c1084425,ffff800000b23600,ffff80002129e010) at vn_ioctl+0xba sys/kern/vfs_vnops.c:531 sys_ioctl(ffff80002129e010,ffff800022f7fad8,ffff800022f7fb20) at sys_ioctl+0x4b0 syscall(ffff800022f7fba0) at syscall+0x4a1 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800022f7fba0) at syscall+0x4a1 sys/arch/amd64/amd64/trap.c:590 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x68fcbe6e610, count: -11 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffff800020d68ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:352 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 acpicpu_idle() at acpicpu_idle+0x2eb sys/dev/acpi/acpicpu.c:1206 sched_idle(ffff800020d68ff0) at sched_idle+0x417 sys/kern/kern_sched.c:178 end trace frame: 0x0, count: 10 ddb{1}> trace x86_ipi_db(ffff800020d68ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:352 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 acpicpu_idle() at acpicpu_idle+0x2eb sys/dev/acpi/acpicpu.c:1206 sched_idle(ffff800020d68ff0) at sched_idle+0x417 sys/kern/kern_sched.c:178 end trace frame: 0x0, count: -5