panic: uvm_fault_unwire_locked: address not in map Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *264266 36586 32767 0x10 0x4000000 1 syz-executor 44786 40567 0 0x14000 0x40000200 0 softclock db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830b5bf2) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806bf5b8b0,20002000,20003000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd806bf5b8b0,20002000,20003000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1623 sysctl_vsunlock(200025c0,0) at sysctl_vsunlock+0x7b sys/kern/kern_sysctl.c:204 sys_sysctl(ffff80002fefc810,ffff80002a8d8f80,ffff80002a8d8ed0) at sys_sysctl+0x45d sys/kern/kern_sysctl.c:297 syscall(ffff80002a8d8f80) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a8d8f80) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x87424604d30, 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{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic *cpu1: uvm_fault_unwire_locked: address not in map ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830b5bf2) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806bf5b8b0,20002000,20003000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd806bf5b8b0,20002000,20003000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1623 sysctl_vsunlock(200025c0,0) at sysctl_vsunlock+0x7b sys/kern/kern_sysctl.c:204 sys_sysctl(ffff80002fefc810,ffff80002a8d8f80,ffff80002a8d8ed0) at sys_sysctl+0x45d sys/kern/kern_sysctl.c:297 syscall(ffff80002a8d8f80) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a8d8f80) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x87424604d30, count: -8 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80002a8d8c30 rbx 0xffff800029b7cd87 rdx 0 rcx 0xffff80002fefc810 rax 0xffff800029b7bff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x5d0ce99f66c1984 r11 0xe6d9bbfea5d792f0 r12 0xffff800029b7cb88 r13 0 r14 0 r15 0x1 rip 0xffffffff82cd4ce5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002a8d8c20 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=264266 pid=36586 tcnt=4 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=0xffff80002fefc300,0xffffffff8362c8d0 process=0xffff80002a0c8db8 user=0xffff80002a8d4000, vmspace=0xfffffd806bf5b8b0 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 36586 144638 90239 32767 2 0x10 syz-executor 36586 388674 90239 32767 2 0x4000010 syz-executor 36586 61389 90239 32767 3 0x4000090 fsleep syz-executor *36586 264266 90239 32767 7 0x4000010 syz-executor 93614 53017 99953 32767 2 0x490 syz-executor 93614 272317 99953 32767 3 0x4000090 kqpoll syz-executor 93614 224619 99953 32767 3 0x4000090 fsleep syz-executor 40954 316189 14533 32767 3 0x90 nanoslp syz-executor 40954 452084 14533 32767 3 0x4000090 ttyout syz-executor 95112 90249 17372 32767 3 0x90 nanoslp syz-executor 95112 239988 17372 32767 3 0x4000090 netacc syz-executor 95112 163925 17372 32767 3 0x4000090 fsleep syz-executor 95112 42977 17372 32767 3 0x4000090 fsleep syz-executor 99953 414219 14809 32767 2 0x490 syz-executor 14809 79831 88349 0 3 0x82 wait syz-executor 72715 77077 62774 32767 2 0x490 syz-executor 72715 65190 62774 32767 3 0x4000090 kqpoll syz-executor 90239 221843 67607 32767 2 0x490 syz-executor 67607 334693 88349 0 3 0x82 wait syz-executor 17372 426641 18319 32767 2 0x490 syz-executor 18319 334028 88349 0 3 0x82 wait syz-executor 62774 429779 53589 32767 2 0x490 syz-executor 53589 231492 88349 0 3 0x82 wait syz-executor 65706 380530 69697 32767 2 0x490 syz-executor 69697 181370 88349 0 3 0x82 wait syz-executor 21140 84819 36421 32767 2 0x10 syz-executor 36421 385094 88349 0 3 0x82 wait syz-executor 14533 122671 12663 32767 2 0x490 syz-executor 12663 143425 88349 0 3 0x82 wait syz-executor 47181 421531 88349 0 3 0x82 wait syz-executor 92871 41541 0 0 3 0x14200 bored sosplice 88349 81282 96621 0 3 0x82 kqread syz-executor 96621 77375 40136 0 3 0x10008a sigsusp ksh 40136 460615 30214 0 3 0x98 kqread sshd-session 30214 495720 53772 0 3 0x92 kqread sshd-session 11161 353135 1 0 3 0x100083 ttyin getty 53772 292185 1 0 3 0x88 kqread sshd 93586 212903 1228 73 3 0x1100090 kqread syslogd 1228 233280 1 0 3 0x100082 sbwait syslogd 13630 137503 1 0 3 0x100080 kqread resolvd 10170 90623 66088 77 3 0x100092 kqread dhcpleased 44518 189770 66088 77 3 0x100092 kqread dhcpleased 66088 224614 1 0 3 0x80 kqread dhcpleased 95951 207577 0 0 3 0x14200 bored smr 44666 363730 0 0 3 0x14200 pgzero zerothread 15716 393494 0 0 3 0x14200 aiodoned aiodoned 68022 342769 0 0 3 0x14200 syncer update 47816 50550 0 0 3 0x14200 cleaner cleaner 57038 392337 0 0 3 0x14200 reaper reaper 55902 438183 0 0 3 0x14200 pgdaemon pagedaemon 82483 473853 0 0 3 0x14200 bored viomb 86561 344345 0 0 3 0x40014200 acpi0 acpi0 79681 343767 0 0 3 0x40014200 idle1 59536 33394 0 0 3 0x14200 bored softnet3 17230 471740 0 0 3 0x14200 bored softnet2 94809 60183 0 0 3 0x14200 bored softnet1 94984 29698 0 0 3 0x14200 bored softnet0 99342 143250 0 0 2 0x14200 systqmp 79479 302242 0 0 3 0x14200 bored systq 26608 195332 0 0 3 0x14200 tmoslp softclockmp 40567 44786 0 0 7 0x40014200 softclock 52323 421000 0 0 3 0x40014200 idle0 1 331741 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 36586 (syz-executor) thread 0xffff80002fefc810 (264266) shared rwlock vmmaplk r = 0 (0xfffffd806bf5b9a0) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 uvm_fault_unwire+0x3e sys/uvm/uvm_fault.c:1622 #3 sysctl_vsunlock+0x7b sys/kern/kern_sysctl.c:204 #4 sys_sysctl+0x45d sys/kern/kern_sysctl.c:297 #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 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83578af8) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #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 uvm_fault_unwire+0x3e sys/uvm/uvm_fault.c:1622 #6 sysctl_vsunlock+0x7b sys/kern/kern_sysctl.c:204 #7 sys_sysctl+0x45d sys/kern/kern_sysctl.c:297 #8 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #8 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 exclusive rwlock sysctllk r = 0 (0xffffffff834e2140) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 sysctl_vslock+0x45 sys/kern/kern_sysctl.c:176 #3 sys_sysctl+0x395 sys/kern/kern_sysctl.c:287 #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 Process 21140 (syz-executor) thread 0xffff800029fe6f80 (84819) exclusive rrwlock inode r = 0 (0xfffffd8057ebde68) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:169 #5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1230 #6 ffs_inode_alloc+0x283 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0x113 sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x102 sys/kern/vfs_vops.c:394 #9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3099 #10 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #10 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd804b436f80) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 #6 namei+0x7aa sys/kern/vfs_lookup.c:250 #7 domkdirat+0x8b sys/kern/vfs_syscalls.c:3084 #8 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #8 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10225 14125K 14131K 166960K 12655 0 pcb 17 18K 20K 166960K 23 0 rtable 240 6K 7K 166960K 15091 0 pf 31 16K 16K 166960K 941 0 ifaddr 42 11K 11K 166960K 1851 0 ifgroup 50 2K 2K 166960K 1860 0 sysctl 4 1K 5K 166960K 13 0 counters 64 36K 36K 166960K 964 0 ioctlops 0 0K 2K 166960K 781 0 iov 0 0K 32K 166960K 1577 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1461 92K 92K 166960K 10836 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 3 5K 13K 166960K 282 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 479 0 dirhash 15 2K 3K 166960K 354 0 ACPI 1690 195K 286K 166960K 12418 0 file desc 24 89K 157K 166960K 19377 0 sigio 0 0K 0K 166960K 303 0 proc 61 91K 176K 166960K 14440 0 subproc 104 6K 12K 166960K 7410 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 3855 0 in_multi 99 7K 7K 166960K 5632 0 ether_multi 1 0K 0K 166960K 87 0 mrt 1 0K 0K 166960K 4 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 289 1288K 1288K 166960K 289 0 exec 0 0K 1K 166960K 9798 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 273 76K 132K 166960K 154842 0 UVM aobj 132 4K 8K 166960K 155 0 pinsyscall 45 90K 134K 166960K 32964 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 1127 0 NDP 13 0K 2K 166960K 1374 0 temp 75 6824K 6952K 166960K 164852 0 kqueue 13 20K 36K 166960K 2543 0 SYN cache 2 16K 16K 166960K 2 0 ddb{1}> 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 2885 0 2882 15 14 1 3 0 8 0 rtentry 112 5225 0 5112 17 13 4 4 0 8 0 unpcb 144 14061 0 14046 56 52 4 6 0 8 3 syncache 336 244 0 244 32 31 1 1 0 8 1 tcpqe 32 91 0 91 32 31 1 1 0 8 1 tcpcb 808 9484 0 9468 143 134 9 15 0 8 6 arp 120 921 0 903 1 0 1 1 0 8 0 ipq 40 65 0 59 6 5 1 1 0 8 0 ipqe 40 739 0 732 6 5 1 1 0 8 0 inpcb 336 22468 0 22449 148 137 11 14 0 8 8 ip6q 72 68 0 68 4 4 0 1 0 8 0 ip6af 40 136 0 136 4 4 0 1 0 8 0 nd6 136 1541 0 1514 4 2 2 2 0 8 0 kcovpl 48 570 0 562 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 21132 0 20667 194 164 30 32 0 8 0 art_table 32 21133 0 20667 13 8 5 5 0 8 0 art_node 16 5224 0 5121 1 0 1 1 0 8 0 sysvmsgpl 40 23 0 11 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 476 0 466 1 0 1 1 0 8 0 shmpl 112 152 0 24 4 0 4 4 0 8 0 dirhash 1024 252 0 229 9 5 4 4 0 8 1 dino2pl 256 21469 0 18531 185 1 184 184 0 8 0 ffsino 272 21469 0 18531 199 2 197 197 0 8 0 nchpl 144 38722 0 35945 105 1 104 104 0 8 0 uvmvnodes 80 10011 0 0 205 0 205 205 0 8 0 vnodes 216 10011 0 0 557 0 557 557 0 8 0 namei 1024 189207 0 189206 57 56 1 2 0 8 0 percpumem 16 496 0 450 1 0 1 1 0 8 0 kstatmem 264 922 0 900 2 0 2 2 0 8 0 scxspl 216 252113 0 252113 63 59 4 8 1 8 4 plimitpl 152 5173 0 5147 2 0 2 2 0 8 0 sigapl 424 18710 0 18655 26 19 7 9 0 8 0 futexpl 64 184274 0 184270 30 29 1 1 0 8 0 knotepl 120 1339 0 0 24 1 23 23 0 8 0 kqueuepl 216 5552 0 5541 60 55 5 5 0 8 4 pipepl 320 4296 0 4269 60 51 9 9 0 8 6 fdescpl 496 18691 0 18655 19 13 6 7 0 8 0 filepl 152 120255 0 120008 84 64 20 21 0 8 8 lockfpl 104 4721 0 4718 4 3 1 2 0 8 0 lockfspl 48 1258 0 1255 1 0 1 1 0 8 0 sessionpl 144 656 0 640 1 0 1 1 0 8 0 pgrppl 48 1526 0 1502 1 0 1 1 0 8 0 ucredpl 104 22581 0 22562 1 0 1 1 0 8 0 zombiepl 144 18657 0 18655 1 0 1 1 0 8 0 processpl 1160 18710 0 18655 15 10 5 6 0 8 0 procpl 648 39250 0 39185 16 9 7 7 0 8 0 srpgc 96 27 0 27 10 10 0 1 0 8 0 sosppl 168 148 0 148 25 24 1 1 0 8 1 sockpl 664 39826 0 39788 197 184 13 20 0 8 8 mcl64k 65536 39 0 0 5 2 3 3 0 8 0 mcl16k 16384 3 0 0 1 0 1 1 0 8 0 mcl12k 12288 3 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 25 0 0 4 1 3 3 0 8 0 mcl4k 4096 5 0 0 1 0 1 1 0 8 0 mcl2k2 2112 5 0 0 1 0 1 1 0 8 0 mcl2k 2048 642 0 0 30 5 25 29 0 8 0 mtagpl 96 6 0 0 1 0 1 1 0 8 0 mbufpl 256 1272 0 0 38 1 37 37 0 8 0 bufpl 280 32204 0 22190 716 0 716 716 0 8 0 anonpl 24 2378344 0 2367215 317 222 95 136 0 185 1 amapchunkpl 152 498020 0 497193 234 186 48 59 0 158 8 amappl16 200 48177 0 47907 276 248 28 37 0 8 6 amappl15 192 3 0 3 1 1 0 1 0 8 0 amappl14 184 1379 0 1369 1 0 1 1 0 8 0 amappl13 176 35 0 35 14 14 0 1 0 8 0 amappl12 168 26734 0 26697 11 8 3 3 0 8 0 amappl11 160 53 0 43 1 0 1 1 0 8 0 amappl10 152 10 0 9 2 1 1 1 0 8 0 amappl9 144 131 0 130 2 1 1 1 0 8 0 amappl8 136 24 0 22 1 0 1 1 0 8 0 amappl7 128 1185 0 1174 1 0 1 1 0 8 0 amappl6 120 4645 0 4643 1 0 1 1 0 8 0 amappl5 112 2105 0 2095 1 0 1 1 0 8 0 amappl4 104 2380 0 2364 1 0 1 1 0 8 0 amappl3 96 99597 0 99463 6 2 4 5 0 8 0 amappl2 88 9093 0 9029 4 1 3 3 0 8 0 amappl1 80 139157 0 138625 31 17 14 19 0 8 0 amappl 88 149067 0 148849 7 1 6 6 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 72 154 0 23 3 0 3 3 0 8 0 uaddrrnd 24 18691 0 18655 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 18691 0 18655 1 0 1 1 0 8 0 vmmpekpl 168 169764 0 169701 4 0 4 4 0 8 0 vmmpepl 168 1234365 0 1232129 335 218 117 129 0 357 4 vmsppl 440 18690 0 18655 9 4 5 7 0 8 0 rwobjpl 56 332148 0 320880 182 18 164 164 0 8 0 pdppl 4096 37389 0 37310 1344 1259 85 117 0 8 6 pvpl 32 66326 0 0 526 1 525 525 0 265 0 pmappl 248 18690 0 18655 13 10 3 4 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 2394 0 1800 19 1 18 18 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff834e6ff0) 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(ffffffff835788f0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835788f0) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff800029f9b3f0,ffff800000079e80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge26_untramp() at Xintr_ioapic_edge26_untramp+0x18f __mp_lock(ffffffff835788f0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835788f0) at __mp_lock+0x192 sys/kern/kern_lock.c:144 __mp_acquire_count(ffffffff835788f0,1) at __mp_acquire_count+0x58 mi_switch() at mi_switch+0x658 sys/kern/sched_bsd.c:460 sleep_finish(0,1) at sleep_finish+0x219 sys/kern/kern_synch.c:416 msleep(ffffffff8360e260,ffffffff834c48b0,0,ffffffff830e6dd2,0) at msleep+0x13b sys/kern/kern_synch.c:249 softclock_thread(ffff8000ffffeca8) at softclock_thread+0x11f sys/kern/kern_timeout.c:807 end trace frame: 0x0, count: 3 ddb{0}> trace x86_ipi_db(ffffffff834e6ff0) 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(ffffffff835788f0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835788f0) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff800029f9b3f0,ffff800000079e80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge26_untramp() at Xintr_ioapic_edge26_untramp+0x18f __mp_lock(ffffffff835788f0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835788f0) at __mp_lock+0x192 sys/kern/kern_lock.c:144 __mp_acquire_count(ffffffff835788f0,1) at __mp_acquire_count+0x58 mi_switch() at mi_switch+0x658 sys/kern/sched_bsd.c:460 sleep_finish(0,1) at sleep_finish+0x219 sys/kern/kern_synch.c:416 msleep(ffffffff8360e260,ffffffff834c48b0,0,ffffffff830e6dd2,0) at msleep+0x13b sys/kern/kern_synch.c:249 softclock_thread(ffff8000ffffeca8) at softclock_thread+0x11f sys/kern/kern_timeout.c:807 end trace frame: 0x0, count: -12 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x25: addq $0x8,%rsp db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830b5bf2) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806bf5b8b0,20002000,20003000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd806bf5b8b0,20002000,20003000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1623 sysctl_vsunlock(200025c0,0) at sysctl_vsunlock+0x7b sys/kern/kern_sysctl.c:204 sys_sysctl(ffff80002fefc810,ffff80002a8d8f80,ffff80002a8d8ed0) at sys_sysctl+0x45d sys/kern/kern_sysctl.c:297 syscall(ffff80002a8d8f80) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a8d8f80) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x87424604d30, count: 7 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830b5bf2) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806bf5b8b0,20002000,20003000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd806bf5b8b0,20002000,20003000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1623 sysctl_vsunlock(200025c0,0) at sysctl_vsunlock+0x7b sys/kern/kern_sysctl.c:204 sys_sysctl(ffff80002fefc810,ffff80002a8d8f80,ffff80002a8d8ed0) at sys_sysctl+0x45d sys/kern/kern_sysctl.c:297 syscall(ffff80002a8d8f80) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80002a8d8f80) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x87424604d30, count: -8