login: uvm_fault(0xfffffd806c7705d8, 0x0, 0, 1) -> e kernel: page fault trap, code=0 Stopped at dt_ioctl_record_stop+0x108: movq 0(%r14),%r14 TID PID UID PRFLAGS PFLAGS CPU COMMAND dt_ioctl_record_stop(ffff8000017aa000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(11e5f,1,2000,ffff8000fffead18) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,1,2000,ffff8000fffead18) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff80002a2d8700) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd807abb5ce8,1,fffffd80097fd478,ffff8000fffead18) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd8070618ab0,ffff8000fffead18) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd8070618ab0,ffff8000fffead18) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd8070618ab0,ffff8000fffead18) at fdrop+0x121 sys/kern/kern_descrip.c:1281 closef(fffffd8070618ab0,ffff8000fffead18) at closef+0x192 sys/kern/kern_descrip.c:1265 fdfree(ffff8000fffead18) at fdfree+0x116 sys/kern/kern_descrip.c:1196 exit1(ffff8000fffead18,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff8000fffead18,ffff80002a2d8a70,ffff80002a2d89c0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80002a2d8a70) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a2d8a70) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x76ec053fe0d0, count: 3 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(0xfffffd806c7705d8, 0x0, 0, 1) -> e ddb{0}> trace dt_ioctl_record_stop(ffff8000017aa000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(11e5f,1,2000,ffff8000fffead18) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,1,2000,ffff8000fffead18) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff80002a2d8700) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd807abb5ce8,1,fffffd80097fd478,ffff8000fffead18) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd8070618ab0,ffff8000fffead18) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd8070618ab0,ffff8000fffead18) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd8070618ab0,ffff8000fffead18) at fdrop+0x121 sys/kern/kern_descrip.c:1281 closef(fffffd8070618ab0,ffff8000fffead18) at closef+0x192 sys/kern/kern_descrip.c:1265 fdfree(ffff8000fffead18) at fdfree+0x116 sys/kern/kern_descrip.c:1196 exit1(ffff8000fffead18,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff8000fffead18,ffff80002a2d8a70,ffff80002a2d89c0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80002a2d8a70) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a2d8a70) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x76ec053fe0d0, count: -12 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff80002a2d8630 rbx 0x1 rdx 0 rcx 0xffff8000fffead18 rax 0xffffffff8390eff0 cpu_info_full_primary+0x1ff0 r8 0xffffffffffffffff r9 0 r10 0x6cf26604c21591cc r11 0xbb72045f30265776 r12 0 r13 0 r14 0 r15 0xffff8000015b8c00 rip 0xffffffff827da7f8 dt_ioctl_record_stop+0x108 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002a2d8600 ss 0x10 dt_ioctl_record_stop+0x108: movq 0(%r14),%r14 ddb{0}> show proc PROC (syz-executor) tid=376013 pid=31744 tcnt=0 stat=onproc flags process=1008 proc=2000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff8000fffead18 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff8000fffea020,0xffff8000fffebcb8 process=0xffff8000fffec4e8 user=0xffff80002a2d3000, vmspace=0xfffffd806c7705d8 estcpu=36, cpticks=4, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 734 68824 23044 0 2 0 syz-executor 65389 272577 96046 0 2 0 syz-executor 65389 221118 96046 0 2 0x4000000 syz-executor 78925 187267 68692 0 3 0x80 nanoslp syz-executor 78925 330793 68692 0 3 0x4000000 netlock syz-executor 78925 116860 68692 0 3 0x4000080 fsleep syz-executor 78925 341001 68692 0 3 0x4000080 fsleep syz-executor 2313 347661 21155 60929 3 0x90 nanoslp syz-executor 2313 167349 21155 60929 3 0x4000090 lockf syz-executor 2313 235275 21155 60929 3 0x4000090 fsleep syz-executor 69949 324874 31024 0 3 0x80 nanoslp syz-executor 69949 515265 31024 0 3 0x4000080 fifor syz-executor 69949 81742 31024 0 3 0x4000080 fifor syz-executor 69949 58474 31024 0 3 0x4000080 fsleep syz-executor 31731 403606 65363 0 3 0x3000 suspend syz-executor 31731 514560 65363 0 2 0x4081000 syz-executor 31731 64677 65363 0 3 0x4081000 inode syz-executor 31731 343458 65363 0 3 0x4081000 inode syz-executor 51098 229421 1 0 3 0x100083 ttyin getty 68554 246724 28353 27 3 0x1100092 kqread sshd-auth 28353 211911 99408 0 3 0x82 kqread sshd-session 44972 279149 0 0 3 0x14200 acct acct 96046 280476 87676 0 2 0x3 syz-executor 30669 31824 0 0 3 0x14280 nfsidl nfsio 89340 151566 0 0 3 0x14280 nfsidl nfsio 55307 78531 0 0 3 0x14280 nfsidl nfsio 46118 343857 0 0 3 0x14280 nfsidl nfsio 24365 335452 0 0 3 0x14280 nfsidl nfsio 59704 98367 0 0 3 0x14280 nfsidl nfsio 70322 121942 0 0 3 0x14280 nfsidl nfsio 99439 393924 0 0 3 0x14280 nfsidl nfsio 45305 146441 0 0 3 0x14280 nfsidl nfsio 81402 120045 0 0 3 0x14280 nfsidl nfsio 86646 36607 0 0 3 0x14280 nfsidl nfsio 78779 160981 0 0 3 0x14280 nfsidl nfsio 52941 313127 0 0 3 0x14280 nfsidl nfsio 96265 78632 0 0 3 0x14280 nfsidl nfsio 8327 140830 0 0 3 0x14280 nfsidl nfsio 62653 199572 0 0 3 0x14280 nfsidl nfsio 94740 271733 0 0 3 0x14280 nfsidl nfsio 66869 107365 0 0 3 0x14280 nfsidl nfsio 53176 218938 0 0 3 0x14280 nfsidl nfsio 16601 390330 0 0 3 0x14280 nfsidl nfsio 65363 133863 87676 0 3 0x82 nanoslp syz-executor 68692 205820 87676 0 3 0x82 nanoslp syz-executor 21155 320339 87676 0 3 0x82 nanoslp syz-executor 13447 476261 87676 0 2 0x2 syz-executor 31024 483088 87676 0 3 0x82 nanoslp syz-executor 95716 81845 87676 0 3 0x82 nanoslp syz-executor 23044 176806 87676 0 3 0x82 nanoslp syz-executor 87676 107276 28927 0 3 0x82 kqread syz-executor 28927 64403 52875 0 3 0x10008a sigsusp ksh 52875 230414 20454 0 3 0x98 kqread sshd-session 20454 331254 99408 0 3 0x92 kqread sshd-session 99408 231241 1 0 3 0x88 kqread sshd 54167 472257 14109 74 3 0x1100092 bpf pflogd 14109 76351 1 0 3 0x80 sbwait pflogd 17849 372005 78247 73 3 0x1100090 kqread syslogd 78247 22420 1 0 3 0x100082 sbwait syslogd 45182 81622 1 0 3 0x100080 kqread resolvd 73133 66762 1689 77 3 0x100092 kqread dhcpleased 40993 365202 1689 77 3 0x100092 kqread dhcpleased 1689 213190 1 0 3 0x80 kqread dhcpleased 30530 90229 0 0 3 0x14200 bored smr 36658 407627 0 0 3 0x14200 pgzero zerothread 59559 270239 0 0 3 0x14200 aiodoned aiodoned 91049 382043 0 0 3 0x14200 syncer update 65087 112842 0 0 3 0x14200 cleaner cleaner 52153 287256 0 0 2 0x14200 reaper 64387 380781 0 0 3 0x14200 pgdaemon pagedaemon 8197 508555 0 0 3 0x14200 bored viomb 54800 359119 0 0 3 0x40014200 acpi0 acpi0 64675 77310 0 0 7 0x40014200 idle1 3238 424505 0 0 3 0x14200 bored softnet1 76887 519132 0 0 3 0x14200 bored softnet0 97618 270773 0 0 3 0x14200 bored systqmp 71603 515376 0 0 3 0x14200 bored systq 30769 279521 0 0 3 0x14200 tmoslp softclockmp 54603 444464 0 0 3 0x40014200 tmoslp softclock 386 13080 0 0 3 0x40014200 idle0 1 254817 0 0 3 0x80082 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{0}> show all locks Process 65389 (syz-executor) thread 0xffff80003bfc7780 (221118) Process 31731 (syz-executor) thread 0xffff80003c3f6fd8 (514560) Process 31731 (syz-executor) thread 0xffff8000fffea7e8 (343458) Process 13447 (syz-executor) thread 0xffff8000ffff34d8 (476261) Process 52153 (reaper) thread 0xffff8000ffffdc90 (287256) ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11112 12190K 17609K 166960K 15671 0 pcb 17 20K 23K 166960K 970 0 rtable 222 13K 14K 166960K 921 0 pf 38 18K 22K 166960K 286 0 ifaddr 37 7K 8K 166960K 195 0 ifgroup 51 2K 2K 166960K 347 0 sysctl 4 1K 9K 166960K 20 0 counters 68 36K 38K 166960K 452 0 ioctlops 0 0K 4K 166960K 2057 0 iov 0 0K 16K 166960K 211 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1639 103K 104K 166960K 3817 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 13K 166960K 38 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 105 0 dirhash 12 2K 2K 166960K 57 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 18 65K 236K 166960K 2329 0 sigio 0 0K 0K 166960K 41 0 proc 73 115K 163K 166960K 940 0 subproc 72 4K 4K 166960K 127 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 373 0 in_multi 70 5K 7K 166960K 259 0 ether_multi 1 0K 0K 166960K 18 0 mrt 2 0K 0K 166960K 60 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 235 1049K 1049K 166960K 235 0 exec 0 0K 1K 166960K 958 0 fusefs mount 1 32K 32K 166960K 1 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 263 178K 196K 166960K 23285 0 UVM aobj 50 35K 35K 166960K 62 0 pinsyscall 47 94K 104K 166960K 3745 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 188 0 NDP 11 0K 2K 166960K 143 0 temp 80 9088K 9344K 166960K 115936 0 kqueue 17 28K 34K 166960K 497 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 120 285 0 281 3 2 1 3 0 8 0 rtentry 176 283 0 204 6 1 5 6 0 8 0 unpcb 144 1638 0 1613 15 13 2 6 0 8 0 syncache 336 16 0 16 4 3 1 1 0 8 1 tcpqe 32 11 0 11 4 3 1 1 0 8 1 tcpcb 736 1174 0 1163 23 12 11 11 0 8 8 arp 136 64 0 47 1 0 1 1 0 8 0 inpcb 328 3574 0 3559 26 16 10 10 0 8 7 nd6 152 48 0 32 1 0 1 1 0 8 0 pkpcb 40 13 0 13 5 5 0 1 0 8 0 kcovpl 48 14 0 6 1 0 1 1 0 8 0 mppekey 1024 3 0 3 3 2 1 1 0 8 1 ppxss 1192 156 0 156 3 2 1 1 0 8 1 pppxif 1504 12 0 12 3 3 0 1 0 8 0 pffrag 232 21 0 9 1 0 1 1 0 482 0 pffrnode 88 19 0 8 1 0 1 1 0 8 0 pffrent 40 31 0 19 1 0 1 1 0 8 0 pfosfp 40 1429 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1429 0 714 21 0 21 21 0 8 0 pfrktable 1344 2 0 2 2 2 0 1 0 8 0 pftag 88 2 0 2 1 1 0 1 0 8 0 pfstitem 24 144 0 66 1 0 1 1 0 8 0 pfstkey 128 147 0 69 3 0 3 3 0 8 0 pfstate 448 146 0 68 11 0 11 11 0 8 0 pfrule 1360 27 0 19 2 1 1 2 0 8 0 rttmr 136 8 0 8 3 3 0 1 0 8 0 art_heap8 4096 5 0 0 5 0 5 5 0 8 0 art_heap4 256 1162 0 827 36 9 27 32 0 8 0 art_table 40 1167 0 827 6 0 6 6 0 8 0 art_node 32 281 0 215 1 0 1 1 0 8 0 sysvmsgpl 40 3 0 1 1 0 1 1 0 8 0 semupl 112 2 0 2 2 2 0 1 0 8 0 semapl 112 100 0 90 1 0 1 1 0 8 0 shmpl 112 44 0 11 1 0 1 1 0 8 0 dirhash 1024 48 0 31 3 0 3 3 0 8 0 dino2pl 256 6072 0 4599 93 0 93 93 0 8 0 ffsino 296 6072 0 4599 114 0 114 114 0 8 0 nchpl 144 9280 0 7562 65 0 65 65 0 8 0 rtmask 32 24 0 24 4 3 1 1 0 8 1 vnodes 216 5926 0 0 330 0 330 330 0 8 0 namei 1024 35157 0 35156 3 2 1 2 0 8 0 percpumem 16 241 0 192 1 0 1 1 0 8 0 vcpupl 3968 15 0 1 2 0 2 2 0 8 0 vmpool 848 15 0 1 2 0 2 2 0 8 0 kstatmem 264 230 0 204 5 2 3 3 0 8 1 acpiwqpl 32 1 0 1 1 0 1 1 1 8 1 scsiplug 72 12 0 12 5 4 1 1 0 8 1 scxspl 216 45707 0 45707 13 12 1 8 1 8 1 plimitpl 152 458 0 439 1 0 1 1 0 8 0 sigapl 424 2695 0 2624 10 1 9 9 0 8 0 knotepl 120 544 0 0 17 0 17 17 0 8 0 kqueuepl 224 1081 0 1068 12 9 3 5 0 8 2 pipepl 344 465 0 437 9 6 3 9 0 8 0 fdescpl 528 2628 0 2594 3 0 3 3 0 8 0 filepl 160 20628 0 20390 34 18 16 21 0 8 3 lockfpl 104 1634 0 1630 5 4 1 3 0 8 0 lockfspl 48 495 0 492 1 0 1 1 0 8 0 sessionpl 144 44 0 34 1 0 1 1 0 8 0 pgrppl 48 125 0 107 1 0 1 1 0 8 0 ucredpl 104 3592 0 3577 1 0 1 1 0 8 0 zombiepl 144 3526 0 3524 1 0 1 1 0 8 0 processpl 1232 2695 0 2624 7 1 6 6 0 8 0 procpl 664 6467 0 6383 10 2 8 8 0 8 0 sosppl 176 19 0 19 5 5 0 1 0 8 0 sockpl 752 5633 0 5589 49 35 14 18 0 8 8 mcl64k 65536 17 0 0 3 0 3 3 0 8 0 mcl16k 16384 7 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 121 0 0 15 0 15 15 0 8 0 mcl2k 2048 29 0 0 4 0 4 4 0 8 0 mtagpl 96 5 0 0 1 0 1 1 0 8 0 mbufpl 256 1426 0 0 88 0 88 88 0 8 0 bufpl 280 16712 0 10581 439 0 439 439 0 8 0 anonpl 32 11458 0 0 93 0 93 93 0 246 0 amapchunkpl 152 78803 0 78271 51 22 29 37 0 158 5 amappl16 200 7252 0 7063 58 40 18 24 0 8 8 amappl15 192 4 0 4 1 1 0 1 0 8 0 amappl14 184 502 0 500 1 0 1 1 0 8 0 amappl13 176 171 0 157 1 0 1 1 0 8 0 amappl12 168 2920 0 2889 2 0 2 2 0 8 0 amappl11 160 1 0 1 1 1 0 1 0 8 0 amappl10 152 64 0 50 1 0 1 1 0 8 0 amappl9 144 269 0 268 2 1 1 1 0 8 0 amappl8 136 127 0 124 1 0 1 1 0 8 0 amappl7 128 191 0 176 1 0 1 1 0 8 0 amappl6 120 223 0 220 1 0 1 1 0 8 0 amappl5 112 150 0 136 1 0 1 1 0 8 0 amappl4 104 382 0 361 1 0 1 1 0 8 0 amappl3 96 16243 0 16127 4 0 4 4 0 8 0 amappl2 88 764 0 690 2 0 2 2 0 8 0 amappl1 80 24911 0 24141 29 9 20 20 0 8 3 amappl 88 21927 0 21749 5 0 5 5 0 92 0 uvmvnodes 80 173 0 0 4 0 4 4 0 8 0 dma65536 65536 1 0 1 1 1 0 1 0 8 0 dma8192 8192 1 0 1 1 1 0 1 0 8 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma2048 2048 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 128 259 0 259 5 4 1 1 0 8 1 dma64 64 7 0 7 2 2 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 61 0 12 1 0 1 1 0 8 0 uaddrrnd 24 2628 0 2594 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2628 0 2594 1 0 1 1 0 8 0 vmmpekpl 168 23116 0 23061 3 0 3 3 0 8 0 vmmpepl 168 177369 0 175005 140 21 119 119 0 357 12 vmsppl 488 2627 0 2594 5 0 5 5 0 8 0 rwobjpl 80 48609 0 47087 42 4 38 38 0 8 3 pdppl 4096 5293 0 5204 148 57 91 93 0 8 2 pvpl 32 19157 0 0 155 1 154 154 0 265 0 pmappl 256 2642 0 2595 4 0 4 4 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 454 0 92 11 0 11 11 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace dt_ioctl_record_stop(ffff8000017aa000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(11e5f,1,2000,ffff8000fffead18) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,1,2000,ffff8000fffead18) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff80002a2d8700) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd807abb5ce8,1,fffffd80097fd478,ffff8000fffead18) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd8070618ab0,ffff8000fffead18) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd8070618ab0,ffff8000fffead18) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd8070618ab0,ffff8000fffead18) at fdrop+0x121 sys/kern/kern_descrip.c:1281 closef(fffffd8070618ab0,ffff8000fffead18) at closef+0x192 sys/kern/kern_descrip.c:1265 fdfree(ffff8000fffead18) at fdfree+0x116 sys/kern/kern_descrip.c:1196 exit1(ffff8000fffead18,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff8000fffead18,ffff80002a2d8a70,ffff80002a2d89c0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80002a2d8a70) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a2d8a70) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x76ec053fe0d0, count: -12 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff8000299bdff0) 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(ffff8000299bdff0) at sched_idle+0x391 sys/kern/kern_sched.c:191 end trace frame: 0x0, count: 10 ddb{1}> trace x86_ipi_db(ffff8000299bdff0) 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(ffff8000299bdff0) at sched_idle+0x391 sys/kern/kern_sched.c:191 end trace frame: 0x0, count: -5