uvm_fault(0xfffffd805fe132e8, 0x4, 0, 1) -> e kernel: page fault trap, code=0 Stopped at igmp_leavegroup+0x80: movl 0x4(%rax),%r12d TID PID UID PRFLAGS PFLAGS CPU COMMAND igmp_leavegroup(ffff800000d42a80) at igmp_leavegroup+0x80 sys/netinet/igmp.c:521 in_delmulti(ffff800000d42a80) at in_delmulti+0xb7 sys/netinet/in.c:920 ip_freemoptions(ffff8000006c5940) at ip_freemoptions+0x4d sys/netinet/ip_output.c:1764 in_pcbdetach(fffffd806f6bf000) at in_pcbdetach+0xf3 sys/netinet/in_pcb.c:584 udp_detach(fffffd80612d39b8) at udp_detach+0x3b sys/netinet/udp_usrreq.c:1263 soclose(fffffd80612d39b8,0) at soclose+0x255 sys/kern/uipc_socket.c:361 soo_close(fffffd8073f21c78,ffff8000212507e8) at soo_close+0x40 fdrop(fffffd8073f21c78,ffff8000212507e8) at fdrop+0xc7 sys/kern/kern_descrip.c:1279 closef(fffffd8073f21c78,ffff8000212507e8) at closef+0x11c sys/kern/kern_descrip.c:1263 fdfree(ffff8000212507e8) at fdfree+0xf4 sys/kern/kern_descrip.c:1195 exit1(ffff8000212507e8,0,0,1) at exit1+0x37d sys/kern/kern_exit.c:202 sys_exit(ffff8000212507e8,ffff800027bb60b0,ffff800027bb6110) at sys_exit+0x16 sys/kern/kern_exit.c:95 syscall(ffff800027bb6180) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800027bb6180) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffc8cf0, count: 1 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(0xfffffd805fe132e8, 0x4, 0, 1) -> e ddb{0}> trace igmp_leavegroup(ffff800000d42a80) at igmp_leavegroup+0x80 sys/netinet/igmp.c:521 in_delmulti(ffff800000d42a80) at in_delmulti+0xb7 sys/netinet/in.c:920 ip_freemoptions(ffff8000006c5940) at ip_freemoptions+0x4d sys/netinet/ip_output.c:1764 in_pcbdetach(fffffd806f6bf000) at in_pcbdetach+0xf3 sys/netinet/in_pcb.c:584 udp_detach(fffffd80612d39b8) at udp_detach+0x3b sys/netinet/udp_usrreq.c:1263 soclose(fffffd80612d39b8,0) at soclose+0x255 sys/kern/uipc_socket.c:361 soo_close(fffffd8073f21c78,ffff8000212507e8) at soo_close+0x40 fdrop(fffffd8073f21c78,ffff8000212507e8) at fdrop+0xc7 sys/kern/kern_descrip.c:1279 closef(fffffd8073f21c78,ffff8000212507e8) at closef+0x11c sys/kern/kern_descrip.c:1263 fdfree(ffff8000212507e8) at fdfree+0xf4 sys/kern/kern_descrip.c:1195 exit1(ffff8000212507e8,0,0,1) at exit1+0x37d sys/kern/kern_exit.c:202 sys_exit(ffff8000212507e8,ffff800027bb60b0,ffff800027bb6110) at sys_exit+0x16 sys/kern/kern_exit.c:95 syscall(ffff800027bb6180) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800027bb6180) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffc8cf0, count: -14 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff800027bb5d30 rbx 0 rdx 0 rcx 0x1 rax 0 r8 0 r9 0 r10 0xb3455d771899504a r11 0xff57b7b1a6dfa01f r12 0 r13 0x3 r14 0xffff800000689000 r15 0xffff800000d42a80 rip 0xffffffff8116ae40 igmp_leavegroup+0x80 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800027bb5d00 ss 0x10 igmp_leavegroup+0x80: movl 0x4(%rax),%r12d ddb{0}> show proc PROC (syz-executor.2) pid=11932 stat=onproc flags process=1008 proc=2000 pri=32, usrpri=84, nice=20 forw=0xffffffffffffffff, list=0xffff800021252008,0xffff800021253278 process=0xffff8000ffff2580 user=0xffff800027bb1000, vmspace=0xfffffd805fe132e8 estcpu=34, cpticks=7, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 77738 511175 89470 0 2 0x480 syz-executor.3 77738 188734 89470 0 3 0x4000080 netcon2 syz-executor.3 77738 400562 89470 0 3 0x4000080 fsleep syz-executor.3 71528 205426 56227 0 2 0x480 syz-executor.1 71528 501651 56227 0 3 0x4000080 netcon syz-executor.1 71528 181406 56227 0 3 0x4000080 fsleep syz-executor.1 56227 205394 54077 0 2 0x482 syz-executor.1 19411 222616 1 0 3 0x100083 ttyin getty 89385 260875 54077 0 2 0x482 syz-executor.2 89470 284525 54077 0 3 0x82 nanoslp syz-executor.3 360 13421 54077 0 2 0x2 syz-executor.0 38624 438295 0 0 3 0x14200 bored sosplice 81497 180984 0 0 3 0x14280 nfsidl nfsio 24225 182127 0 0 3 0x14280 nfsidl nfsio 26815 365080 0 0 3 0x14280 nfsidl nfsio 24895 223323 0 0 3 0x14280 nfsidl nfsio 24943 302163 0 0 3 0x14280 nfsidl nfsio 10722 189281 0 0 3 0x14280 nfsidl nfsio 79868 18662 0 0 3 0x14280 nfsidl nfsio 68910 402916 0 0 3 0x14280 nfsidl nfsio 91456 234914 0 0 3 0x14280 nfsidl nfsio 23409 38666 0 0 3 0x14280 nfsidl nfsio 7853 220896 0 0 3 0x14280 nfsidl nfsio 92486 425428 0 0 3 0x14280 nfsidl nfsio 780 337901 0 0 3 0x14280 nfsidl nfsio 28110 375603 0 0 3 0x14280 nfsidl nfsio 29520 132983 0 0 3 0x14280 nfsidl nfsio 51165 496626 0 0 3 0x14280 nfsidl nfsio 94180 462456 0 0 3 0x14280 nfsidl nfsio 78 304998 0 0 3 0x14280 nfsidl nfsio 87453 154756 0 0 3 0x14280 nfsidl nfsio 73348 214167 0 0 3 0x14280 nfsidl nfsio 54077 215424 34880 0 3 0x82 thrsleep syz-fuzzer 54077 104644 34880 0 3 0x4000082 nanoslp syz-fuzzer 54077 255236 34880 0 3 0x4000082 thrsleep syz-fuzzer 54077 25133 34880 0 3 0x4000082 thrsleep syz-fuzzer 54077 432146 34880 0 3 0x4000082 thrsleep syz-fuzzer 54077 119720 34880 0 3 0x4000082 thrsleep syz-fuzzer 54077 452469 34880 0 3 0x4000082 thrsleep syz-fuzzer 54077 74752 34880 0 3 0x4000082 kqread syz-fuzzer 54077 475469 34880 0 3 0x4000082 nanoslp syz-fuzzer 34880 231806 80094 0 3 0x10008a sigsusp ksh 80094 347945 59819 0 3 0x9a poll sshd 59819 203323 1 0 3 0x88 poll sshd 88460 321452 61628 74 3 0x100092 bpf pflogd 61628 297228 1 0 3 0x80 netio pflogd 3511 392364 36177 73 3 0x100090 kqread syslogd 36177 507606 1 0 3 0x100082 netio syslogd 40980 400694 1 0 3 0x100080 kqread resolvd 54776 388840 99351 77 3 0x100092 kqread dhcpleased 79304 392502 99351 77 3 0x100092 kqread dhcpleased 99351 342216 1 0 3 0x80 kqread dhcpleased 20661 245445 0 0 3 0x14200 bored smr 76749 481007 0 0 2 0x14200 zerothread 90998 282121 0 0 3 0x14200 aiodoned aiodoned 3753 70569 0 0 3 0x14200 syncer update 88795 134634 0 0 3 0x14200 cleaner cleaner 28037 471975 0 0 3 0x14200 reaper reaper 36415 205474 0 0 3 0x14200 pgdaemon pagedaemon 97832 388881 0 0 3 0x14200 bored viomb 78021 365352 0 0 3 0x40014200 acpi0 acpi0 68412 204619 0 0 7 0x40014200 idle1 69407 401668 0 0 3 0x14200 bored softnet 7884 55998 0 0 3 0x14200 bored systqmp 50961 66133 0 0 3 0x14200 bored systq 46121 227161 0 0 2 0x40014200 softclock 48940 517389 0 0 3 0x40014200 idle0 1 228099 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 360 (syz-executor.0) thread 0xffff800021251268 (13421) exclusive rrwlock inode r = 0 (0xfffffd806e1315e8) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:579 #5 vget+0x1d3 sys/kern/vfs_subr.c:677 #6 ufs_ihashget+0x121 sys/ufs/ufs/ufs_ihash.c:119 #7 ffs_vget+0x7c sys/ufs/ffs/ffs_vfsops.c:1318 #8 ufs_lookup+0x13ba sys/ufs/ufs/ufs_lookup.c:487 #9 VOP_LOOKUP+0x58 sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x6e5 sys/kern/vfs_lookup.c:561 #11 namei+0x36a sys/kern/vfs_lookup.c:245 #12 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1849 #13 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #13 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806ee19e70) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:579 #5 vfs_lookup+0xd1 sys/kern/vfs_lookup.c:413 #6 namei+0x36a sys/kern/vfs_lookup.c:245 #7 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1849 #8 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #8 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #9 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10201 6484K 8061K 78643K 33374 0 pcb 13 20K 24K 78643K 3170 0 rtable 157 23K 24K 78643K 2855 0 ifaddr 84 22K 25K 78643K 1064 0 sysctl 3 1K 1K 78643K 3 0 counters 46 34K 34K 78643K 328 0 ioctlops 0 0K 6K 78643K 3842 0 iov 0 0K 24K 78643K 1004 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1551 97K 98K 78643K 9118 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 168 0 VM map 2 1K 1K 78643K 2 0 sem 12 1K 1K 78643K 2508 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12598 0 file desc 9 29K 49K 78643K 13689 0 sigio 0 0K 0K 78643K 221 0 proc 70 87K 111K 78643K 1884 0 subproc 52 3K 3K 78643K 546 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 2 0K 0K 78643K 11315 0 in_multi 40 2K 4K 78643K 3071 0 ether_multi 1 0K 0K 78643K 180 0 mrt 1 0K 0K 78643K 87 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 241 1076K 1076K 78643K 241 0 exec 0 0K 2K 78643K 3131 0 tdb 3 0K 0K 78643K 3 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 573 1273K 1275K 78643K 171512 0 UVM aobj 131 6K 6K 78643K 140 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 1427 0 NDP 9 0K 1K 78643K 356 0 temp 119 4234K 8330K 78643K 147897 0 kqueue 10 14K 21K 78643K 610 0 SYN cache 2 16K 16K 78643K 2 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 22 0 0 1 0 1 1 0 8 0 rtpcb 120 897 0 894 11 10 1 3 0 8 0 rtentry 112 810 0 768 2 0 2 2 0 8 0 unpcb 136 10385 0 10370 97 96 1 9 0 8 0 syncache 296 67 0 67 19 18 1 1 0 8 1 tcpqe 32 13 0 13 6 5 1 1 0 8 1 tcpcb 736 9318 0 9310 242 235 7 17 0 8 6 arp 120 98 0 92 1 0 1 1 0 8 0 inpcb 304 31835 0 31823 249 243 6 16 0 8 4 rttmr 72 28 0 28 9 9 0 1 0 8 0 ip6q 72 4 0 4 1 1 0 1 0 8 0 ip6af 40 12 0 12 1 1 0 1 0 8 0 nd6 48 280 0 272 1 0 1 1 0 8 0 pkpcb 40 22 0 22 4 4 0 1 0 8 0 kcovpl 48 42 0 38 1 0 1 1 0 8 0 ppxss 1248 46 0 46 15 15 0 1 0 8 0 pfstscr 40 25 0 25 5 5 0 1 0 8 0 pffrag 232 95 0 95 9 9 0 1 0 482 0 pffrnode 88 95 0 95 9 9 0 1 0 8 0 pffrent 40 543 0 543 10 10 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 pfrktable 1344 231 0 209 5 3 2 2 0 8 0 pftag 88 6 0 5 3 2 1 1 0 8 0 pfstitem 24 69 0 67 1 0 1 1 0 8 0 pfstkey 112 127 0 125 1 0 1 1 0 8 0 pfstate 320 98 0 96 3 2 1 3 0 8 0 pfrule 1360 638 0 558 8 1 7 7 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 5994 0 5781 39 24 15 21 0 8 1 art_table 32 5995 0 5781 5 2 3 3 0 8 0 art_node 16 806 0 771 1 0 1 1 0 8 0 semapl 112 2505 0 2495 1 0 1 1 0 8 0 shmpl 112 137 0 9 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 19085 0 17636 91 0 91 91 0 8 0 ffsino 272 19085 0 17636 97 0 97 97 0 8 0 nchpl 144 36646 0 35050 61 0 61 61 0 8 0 uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0 vnodes 224 5926 0 0 349 0 349 349 0 8 0 namei 1024 123940 0 123940 5 4 1 1 0 8 1 percpumem 16 176 0 141 1 0 1 1 0 8 0 vcpupl 2048 124 0 1 16 0 16 16 0 8 0 vmpool 560 311 0 188 9 0 9 9 0 8 0 pfiaddrpl 120 89 0 59 2 1 1 1 0 8 0 scxspl 216 112456 0 112456 19 18 1 8 0 8 1 plimitpl 152 965 0 954 1 0 1 1 0 8 0 sigapl 424 13850 0 13793 7 0 7 7 0 8 0 futexpl 64 134019 0 134017 4 3 1 1 0 8 0 knotepl 112 196 0 0 4 0 4 4 0 8 0 kqueuepl 216 2896 0 2886 63 60 3 8 0 8 2 pipepl 336 2791 0 2775 75 73 2 10 0 8 0 fdescpl 496 13807 0 13785 5 2 3 4 0 8 0 filepl 152 105426 0 105270 191 181 10 18 0 8 3 lockfpl 104 3205 0 3203 6 5 1 2 0 8 0 lockfspl 48 981 0 979 1 0 1 1 0 8 0 sessionpl 144 60 0 47 1 0 1 1 0 8 0 pgrppl 48 269 0 256 1 0 1 1 0 8 0 ucredpl 96 11686 0 11671 1 0 1 1 0 8 0 zombiepl 144 13794 0 13793 2 1 1 1 0 8 0 processpl 1064 13850 0 13793 4 0 4 4 0 8 0 procpl 672 37177 0 37108 17 10 7 8 0 8 0 srpgc 96 43 0 43 11 11 0 1 0 8 0 sosppl 168 120 0 120 17 17 0 1 0 8 0 sockpl 480 43153 0 43120 706 693 13 34 0 8 8 mcl64k 65536 45 0 0 5 2 3 3 0 8 0 mcl16k 16384 17 0 0 3 1 2 3 0 8 0 mcl12k 12288 41 0 0 2 0 2 2 0 8 0 mcl9k 9216 17 0 0 2 0 2 2 0 8 0 mcl8k 8192 27 0 0 4 1 3 3 0 8 0 mcl4k 4096 17 0 0 3 0 3 3 0 8 0 mcl2k2 2112 8 0 0 1 0 1 1 0 8 0 mcl2k 2048 257 0 0 20 3 17 20 0 8 0 mtagpl 96 700 0 0 10 2 8 10 0 8 0 mbufpl 256 1418 0 0 63 0 63 63 0 8 0 bufpl 288 25277 0 18933 454 0 454 454 0 8 0 anonpl 24 3936838 0 3913789 365 211 154 177 0 186 4 amapchunkpl 152 420840 0 419989 127 86 41 44 0 158 7 amappl16 200 40796 0 39877 157 104 53 62 0 8 0 amappl15 192 2764 0 2761 2 1 1 1 0 8 0 amappl14 184 2295 0 2295 5 5 0 1 0 8 0 amappl13 176 2396 0 2395 1 0 1 1 0 8 0 amappl12 168 808 0 802 1 0 1 1 0 8 0 amappl11 160 3620 0 3606 1 0 1 1 0 8 0 amappl10 152 587 0 576 1 0 1 1 0 8 0 amappl9 144 3641 0 3635 1 0 1 1 0 8 0 amappl8 136 1617 0 1515 4 0 4 4 0 8 0 amappl7 128 586 0 576 1 0 1 1 0 8 0 amappl6 120 3588 0 3559 1 0 1 1 0 8 0 amappl5 112 10033 0 10005 1 0 1 1 0 8 0 amappl4 104 7986 0 7957 1 0 1 1 0 8 0 amappl3 96 2955 0 2933 1 0 1 1 0 8 0 amappl2 88 3523 0 3461 4 2 2 2 0 8 0 amappl1 80 251854 0 251349 14 2 12 14 0 8 0 amappl 88 170024 0 169718 11 3 8 8 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 72 139 0 9 3 0 3 3 0 8 0 uaddrrnd 24 14118 0 13973 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 14118 0 13973 1 0 1 1 0 8 0 vmmpekpl 168 98778 0 98721 3 0 3 3 0 8 0 vmmpepl 168 1268465 0 1265677 508 358 150 150 0 357 23 vmsppl 368 14117 0 13973 16 2 14 14 0 8 0 rwobjpl 56 311114 0 303099 133 19 114 117 0 8 0 pdppl 4096 28244 0 28069 251 74 177 177 0 8 2 pvpl 32 6553819 0 6532261 607 412 195 261 0 265 1 pmappl 248 14117 0 13973 10 0 10 10 0 8 0 extentpl 40 57 0 38 1 0 1 1 0 8 0 phpool 112 1399 0 422 30 2 28 29 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace igmp_leavegroup(ffff800000d42a80) at igmp_leavegroup+0x80 sys/netinet/igmp.c:521 in_delmulti(ffff800000d42a80) at in_delmulti+0xb7 sys/netinet/in.c:920 ip_freemoptions(ffff8000006c5940) at ip_freemoptions+0x4d sys/netinet/ip_output.c:1764 in_pcbdetach(fffffd806f6bf000) at in_pcbdetach+0xf3 sys/netinet/in_pcb.c:584 udp_detach(fffffd80612d39b8) at udp_detach+0x3b sys/netinet/udp_usrreq.c:1263 soclose(fffffd80612d39b8,0) at soclose+0x255 sys/kern/uipc_socket.c:361 soo_close(fffffd8073f21c78,ffff8000212507e8) at soo_close+0x40 fdrop(fffffd8073f21c78,ffff8000212507e8) at fdrop+0xc7 sys/kern/kern_descrip.c:1279 closef(fffffd8073f21c78,ffff8000212507e8) at closef+0x11c sys/kern/kern_descrip.c:1263 fdfree(ffff8000212507e8) at fdfree+0xf4 sys/kern/kern_descrip.c:1195 exit1(ffff8000212507e8,0,0,1) at exit1+0x37d sys/kern/kern_exit.c:202 sys_exit(ffff8000212507e8,ffff800027bb60b0,ffff800027bb6110) at sys_exit+0x16 sys/kern/kern_exit.c:95 syscall(ffff800027bb6180) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800027bb6180) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffc8cf0, count: -14 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffff800020d38ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:393 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+0x312 sys/dev/acpi/acpicpu.c:1206 sched_idle(ffff800020d38ff0) at sched_idle+0x417 sys/kern/kern_sched.c:178 end trace frame: 0x0, count: 10 ddb{1}> trace x86_ipi_db(ffff800020d38ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:393 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+0x312 sys/dev/acpi/acpicpu.c:1206 sched_idle(ffff800020d38ff0) at sched_idle+0x417 sys/kern/kern_sched.c:178 end trace frame: 0x0, count: -5