panic: uvm_fault_unwire_locked: address not in map Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 163182 77076 32767 0x10 0 1 syz-executor * 11403 77076 32767 0x10 0x4000000 0K syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830ba1af) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd8079abe380,20000000,20011000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd8079abe380,20000000,20011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1623 kern_sysctl(ffff80003bc61814,5,20000100,ffff80003bc61848,0,37,9855badcabd5a5dc) at kern_sysctl+0x38e sysctl_vsunlock sys/kern/kern_sysctl.c:204 [inline] kern_sysctl(ffff80003bc61814,5,20000100,ffff80003bc61848,0,37,9855badcabd5a5dc) at kern_sysctl+0x38e sys/kern/kern_sysctl.c:502 sys_sysctl(ffff800037220f70,ffff80003bc61980,ffff80003bc618d0) at sys_sysctl+0x422 syscall(ffff80003bc61980) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80003bc61980) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xa8f17f6f680, 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: uvm_fault_unwire_locked: address not in map ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830ba1af) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd8079abe380,20000000,20011000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd8079abe380,20000000,20011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1623 kern_sysctl(ffff80003bc61814,5,20000100,ffff80003bc61848,0,37,9855badcabd5a5dc) at kern_sysctl+0x38e sysctl_vsunlock sys/kern/kern_sysctl.c:204 [inline] kern_sysctl(ffff80003bc61814,5,20000100,ffff80003bc61848,0,37,9855badcabd5a5dc) at kern_sysctl+0x38e sys/kern/kern_sysctl.c:502 sys_sysctl(ffff800037220f70,ffff80003bc61980,ffff80003bc618d0) at sys_sysctl+0x422 syscall(ffff80003bc61980) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80003bc61980) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xa8f17f6f680, count: -8 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80003bc614c0 rbx 0xffffffff83487dcf cpu_info_full_primary+0x2dcf rdx 0 rcx 0xffff800037220f70 rax 0xffffffff83486ff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x2b0fbf6d1bcfa875 r11 0xae202b5240af6ba5 r12 0xffffffff83487bd0 cpu_info_full_primary+0x2bd0 r13 0 r14 0 r15 0x1 rip 0xffffffff82a3f635 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003bc614b0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=11403 pid=77076 tcnt=5 stat=onproc flags process=10 proc=4000000 runpri=36, usrpri=86, slppri=36, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff800037221c18,0xffff8000371b27e0 process=0xffff8000371d2d70 user=0xffff80003bc5c000, vmspace=0xfffffd8079abe380 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 77076 163182 98345 32767 7 0x10 syz-executor 77076 404662 98345 32767 3 0x4000090 fsleep syz-executor *77076 11403 98345 32767 7 0x4000010 syz-executor 77076 29443 98345 32767 3 0x4000090 fsleep syz-executor 77076 313330 98345 32767 2 0x4000010 syz-executor 68609 222048 37567 32767 3 0x90 nanoslp syz-executor 68609 422267 37567 32767 3 0x4000090 sbwait syz-executor 68609 523221 37567 32767 3 0x4000090 fsleep syz-executor 68609 477182 37567 32767 3 0x4000090 fsleep syz-executor 88312 459768 40723 32767 3 0x90 nanoslp syz-executor 88312 328593 40723 32767 3 0x4000090 sbwait syz-executor 88312 195113 40723 32767 3 0x4000090 fsleep syz-executor 88312 21306 40723 32767 3 0x4000090 fsleep syz-executor 40723 34985 58064 32767 3 0x90 nanoslp syz-executor 57134 347306 86432 32767 3 0x90 nanoslp syz-executor 57134 415215 86432 32767 3 0x4000090 kqsel syz-executor 57134 255472 86432 32767 3 0x4000090 fsleep syz-executor 58064 346646 3506 0 3 0x82 wait syz-executor 31512 248592 73072 32767 3 0x90 nanoslp syz-executor 73072 312633 3506 0 3 0x82 wait syz-executor 96371 25351 27001 32767 3 0x90 wait syz-executor 27001 475468 3506 0 3 0x82 wait syz-executor 19805 91765 65224 32767 3 0x90 wait syz-executor 65224 469016 3506 0 3 0x82 wait syz-executor 37567 470675 48508 32767 3 0x90 nanoslp syz-executor 48508 435205 3506 0 3 0x82 wait syz-executor 34928 110025 37193 32767 3 0x90 wait syz-executor 37193 449409 3506 0 3 0x82 wait syz-executor 98345 182666 71202 32767 3 0x90 nanoslp syz-executor 71202 124060 3506 0 3 0x82 wait syz-executor 86432 307030 19480 32767 3 0x90 nanoslp syz-executor 19480 127321 3506 0 3 0x82 wait syz-executor 79793 64769 81444 32767 3 0x3810 suspend syz-executor 79793 491139 81444 32767 4 0x4081810 syz-executor 81444 447986 1 32767 3 0x90 wait syz-executor 94952 364047 39013 32767 4 0x82010 syz-executor 94952 460153 39013 32767 3 0x4002010 suspend syz-executor 94952 307116 39013 32767 4 0x4082010 syz-executor 39013 228279 1 32767 3 0x90 wait syz-executor 86868 306212 0 0 3 0x14200 bored sosplice 3506 7657 75838 0 3 0x82 kqread syz-executor 75838 448026 16517 0 3 0x10008a sigsusp ksh 16517 436918 50760 0 3 0x98 kqread sshd-session 50760 356348 87813 0 3 0x92 kqread sshd-session 2702 168668 1 0 3 0x100083 ttyin getty 87813 212557 1 0 3 0x88 kqread sshd 51052 168490 58345 73 3 0x1100090 kqread syslogd 58345 157597 1 0 3 0x100082 sbwait syslogd 1585 412290 1 0 3 0x100080 kqread resolvd 26313 61970 70142 77 3 0x100092 kqread dhcpleased 49515 299923 70142 77 3 0x100092 kqread dhcpleased 70142 18555 1 0 3 0x80 kqread dhcpleased 91146 283330 0 0 3 0x14200 bored smr 41010 65159 0 0 3 0x14200 pgzero zerothread 75952 438602 0 0 3 0x14200 aiodoned aiodoned 81315 348027 0 0 3 0x14200 syncer update 83768 340383 0 0 3 0x14200 cleaner cleaner 9795 194069 0 0 3 0x14200 reaper reaper 43465 218377 0 0 3 0x14200 pgdaemon pagedaemon 57996 216779 0 0 3 0x14200 bored viomb 50003 216692 0 0 3 0x40014200 acpi0 acpi0 25916 154250 0 0 3 0x40014200 idle1 78927 111402 0 0 3 0x14200 bored softnet3 72150 338829 0 0 3 0x14200 bored softnet2 53458 209547 0 0 3 0x14200 bored softnet1 72503 467240 0 0 3 0x14200 bored softnet0 62911 435652 0 0 3 0x14200 bored systqmp 71467 117264 0 0 3 0x14200 bored systq 1905 215214 0 0 3 0x14200 tmoslp softclockmp 5528 145789 0 0 3 0x40014200 tmoslp softclock 22304 226006 0 0 3 0x40014200 idle0 1 394725 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 77076 (syz-executor) thread 0xffff800037220f70 (11403) shared rwlock vmmaplk r = 0 (0xfffffd8079abe470) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 uvm_fault_unwire+0x3e sys/uvm/uvm_fault.c:1622 #2 kern_sysctl+0x38e sysctl_vsunlock sys/kern/kern_sysctl.c:204 [inline] #2 kern_sysctl+0x38e sys/kern/kern_sysctl.c:502 #3 sys_sysctl+0x422 #4 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #4 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #5 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff8361ff38) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 __mp_acquire_count+0x58 #2 mi_switch+0x658 sys/kern/sched_bsd.c:460 #3 sleep_finish+0x219 sys/kern/kern_synch.c:416 #4 rw_enter+0x348 sys/kern/kern_rwlock.c:285 #5 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1785 #6 uvm_fault_check+0x47 sys/uvm/uvm_fault.c:672 #7 uvm_fault+0x112 sys/uvm/uvm_fault.c:600 #8 kpageflttrap+0x2d0 sys/arch/amd64/amd64/trap.c:279 #9 kerntrap+0x14a sys/arch/amd64/amd64/trap.c:332 #10 alltraps_kern_meltdown+0x7b #11 copyout+0x62 #12 kern_sysctl+0x320 sys/kern/kern_sysctl.c:500 #13 sys_sysctl+0x422 #14 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #14 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #15 Xsyscall+0x128 exclusive rwlock sysctllk r = 0 (0xffffffff83493120) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 sysctl_vslock+0x45 sys/kern/kern_sysctl.c:176 #3 kern_sysctl+0x1b3 sys/kern/kern_sysctl.c:498 #4 sys_sysctl+0x422 #5 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #5 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #6 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10224 11053K 11059K 166960K 13161 0 pcb 17 24K 26K 166960K 27 0 rtable 238 6K 7K 166960K 22052 0 pf 31 16K 16K 166960K 1285 0 ifaddr 42 15K 18K 166960K 2526 0 ifgroup 50 2K 2K 166960K 2542 0 sysctl 4 1K 5K 166960K 58 0 counters 64 36K 36K 166960K 1302 0 ioctlops 0 0K 2K 166960K 1256 0 iov 0 0K 48K 166960K 2907 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1483 93K 93K 166960K 17589 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 3 5K 9K 166960K 581 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 1718 0 dirhash 15 3K 4K 166960K 837 0 ACPI 1690 195K 286K 166960K 12418 0 file desc 30 113K 173K 166960K 35874 0 sigio 0 0K 0K 166960K 988 0 proc 61 91K 176K 166960K 20750 0 subproc 130 8K 13K 166960K 9919 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 8521 0 in_multi 99 7K 7K 166960K 8103 0 ether_multi 1 0K 0K 166960K 184 0 mrt 1 0K 0K 166960K 9 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 283 1261K 1261K 166960K 283 0 exec 0 0K 1K 166960K 14711 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 332 98K 149K 166960K 302034 0 UVM aobj 131 6K 8K 166960K 143 0 pinsyscall 51 102K 134K 166960K 54108 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 2563 0 NDP 13 0K 2K 166960K 1878 0 temp 84 6824K 6952K 166960K 293098 0 kqueue 14 22K 38K 166960K 5662 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 24 0 0 1 0 1 1 0 8 0 rtpcb 120 5213 0 5210 36 35 1 4 0 8 0 rtentry 112 7262 0 7150 13 9 4 4 0 8 0 unpcb 144 32597 0 32571 150 146 4 11 0 8 2 syncache 336 640 0 640 36 35 1 1 0 8 1 tcpqe 32 297 0 297 44 43 1 1 0 8 1 tcpcb 808 23048 0 22952 251 238 13 22 0 8 0 arp 120 1276 0 1257 1 0 1 1 0 8 0 ipq 40 264 0 260 1 0 1 1 0 8 0 ipqe 40 6116 0 6112 1 0 1 1 0 8 0 inpcb 336 50726 0 50626 305 291 14 25 0 8 3 ip6q 72 9 0 9 8 8 0 1 0 8 0 ip6af 40 16 0 16 8 8 0 1 0 8 0 nd6 136 2215 0 2190 8 7 1 2 0 8 0 kcovpl 48 763 0 753 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 29418 0 28954 220 189 31 33 0 8 0 art_table 32 29419 0 28954 9 5 4 5 0 8 0 art_node 16 7261 0 7159 1 0 1 1 0 8 0 sysvmsgpl 40 3 0 3 1 1 0 1 0 8 0 semapl 112 1708 0 1698 1 0 1 1 0 8 0 shmpl 112 140 0 12 4 0 4 4 0 8 0 dirhash 1024 582 0 555 20 16 4 4 0 8 0 dino2pl 256 45862 0 42208 229 0 229 229 0 8 0 ffsino 272 45862 0 42208 245 1 244 244 0 8 0 nchpl 144 83126 0 79959 118 0 118 118 0 8 0 uvmvnodes 80 10670 0 0 218 0 218 218 0 8 0 vnodes 216 10670 0 0 593 0 593 593 0 8 0 namei 1024 371986 0 371986 34 33 1 3 0 8 1 percpumem 16 665 0 619 1 0 1 1 0 8 0 kstatmem 264 1260 0 1238 2 0 2 2 0 8 0 scxspl 216 398348 0 398348 99 96 3 8 1 8 3 plimitpl 152 11619 0 11591 2 0 2 2 0 8 0 sigapl 424 34878 0 34817 24 16 8 9 0 8 0 futexpl 64 402228 0 402221 31 30 1 1 0 8 0 knotepl 120 1747 0 0 19 0 19 19 0 8 0 kqueuepl 216 11675 0 11664 114 113 1 7 0 8 0 pipepl 320 7200 0 7167 84 80 4 9 0 8 0 fdescpl 496 34859 0 34817 22 15 7 8 0 8 0 filepl 152 250397 0 250097 185 169 16 24 0 8 0 lockfpl 104 8871 0 8869 3 2 1 2 0 8 0 lockfspl 48 2742 0 2740 1 0 1 1 0 8 0 sessionpl 144 879 0 861 1 0 1 1 0 8 0 pgrppl 48 2214 0 2188 1 0 1 1 0 8 0 ucredpl 104 51195 0 51174 1 0 1 1 0 8 0 zombiepl 144 34821 0 34817 1 0 1 1 0 8 0 processpl 1160 34878 0 34817 6 0 6 6 0 8 0 procpl 648 79733 0 79657 12 4 8 8 0 8 0 srpgc 96 38 0 38 18 18 0 1 0 8 0 sosppl 168 420 0 417 26 25 1 1 0 8 0 sockpl 664 89401 0 89268 381 363 18 30 0 8 1 mcl64k 65536 47 0 0 4 0 4 4 0 8 0 mcl16k 16384 7 0 0 1 0 1 1 0 8 0 mcl12k 12288 6 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 17 0 0 3 0 3 3 0 8 0 mcl4k 4096 294 0 0 17 6 11 17 0 8 0 mcl2k2 2112 8 0 0 1 0 1 1 0 8 0 mcl2k 2048 400 0 0 12 6 6 6 0 8 0 mtagpl 96 60 0 0 2 0 2 2 0 8 0 mbufpl 256 8215 0 0 438 0 438 438 0 8 0 bufpl 280 59078 0 48405 763 0 763 763 0 8 0 anonpl 24 4192932 0 4175755 408 276 132 156 0 185 0 amapchunkpl 152 996885 0 995833 365 320 45 57 0 158 0 amappl16 200 89708 0 89150 229 185 44 56 0 8 0 amappl15 192 13 0 13 5 5 0 1 0 8 0 amappl14 184 1838 0 1828 1 0 1 1 0 8 0 amappl13 176 37 0 37 16 15 1 1 0 8 1 amappl12 168 45615 0 45573 13 10 3 3 0 8 0 amappl11 160 48 0 36 1 0 1 1 0 8 0 amappl10 152 11 0 10 3 2 1 1 0 8 0 amappl9 144 139 0 138 2 1 1 1 0 8 0 amappl8 136 86 0 84 1 0 1 1 0 8 0 amappl7 128 1618 0 1607 1 0 1 1 0 8 0 amappl6 120 6326 0 6323 1 0 1 1 0 8 0 amappl5 112 2839 0 2828 1 0 1 1 0 8 0 amappl4 104 3139 0 3122 1 0 1 1 0 8 0 amappl3 96 200751 0 200586 7 2 5 5 0 8 0 amappl2 88 12223 0 12157 4 1 3 3 0 8 0 amappl1 80 212859 0 212297 38 19 19 21 0 8 0 amappl 88 293494 0 293218 8 1 7 7 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 72 142 0 12 3 0 3 3 0 8 0 uaddrrnd 24 34859 0 34817 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 34859 0 34817 1 0 1 1 0 8 0 vmmpekpl 168 312779 0 312731 7 3 4 5 0 8 0 vmmpepl 168 2310800 0 2307962 444 299 145 169 0 357 2 vmsppl 440 34858 0 34817 13 7 6 7 0 8 0 rwobjpl 56 568072 0 555762 207 28 179 179 0 8 0 pdppl 4096 69725 0 69634 1574 1481 93 121 0 8 2 pvpl 32 45822 0 0 368 0 368 368 0 265 0 pmappl 248 34858 0 34817 8 5 3 4 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 3393 0 2298 33 1 32 32 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:437 panic(ffffffff830ba1af) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd8079abe380,20000000,20011000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd8079abe380,20000000,20011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1623 kern_sysctl(ffff80003bc61814,5,20000100,ffff80003bc61848,0,37,9855badcabd5a5dc) at kern_sysctl+0x38e sysctl_vsunlock sys/kern/kern_sysctl.c:204 [inline] kern_sysctl(ffff80003bc61814,5,20000100,ffff80003bc61848,0,37,9855badcabd5a5dc) at kern_sysctl+0x38e sys/kern/kern_sysctl.c:502 sys_sysctl(ffff800037220f70,ffff80003bc61980,ffff80003bc618d0) at sys_sysctl+0x422 syscall(ffff80003bc61980) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80003bc61980) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xa8f17f6f680, count: -8 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff800029b7bff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff8361fd30) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8361fd30) at __mp_lock+0x192 sys/kern/kern_lock.c:144 syscall(ffff80002d964710) at syscall+0xad6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002d964710) at syscall+0xad6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7b2285642fc0, count: 9 ddb{1}> trace x86_ipi_db(ffff800029b7bff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff8361fd30) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8361fd30) at __mp_lock+0x192 sys/kern/kern_lock.c:144 syscall(ffff80002d964710) at syscall+0xad6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002d964710) at syscall+0xad6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7b2285642fc0, count: -6