¹j¼õ¬|ÿ ž¨E1\…:./file0panic: uvm_fault_unwire_locked: address not in map Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *273733 88811 0 0 0x4000000 0 syz-executor 109713 62519 0 0 0 1 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff83423edb) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd8064e117b0,2000003b0000,2000003b2000) at uvm_fault_unwire_locked+0x4ed uvm_fault_wire(fffffd8064e117b0,2000003b0000,2000003c1000,1) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1702 [inline] uvm_fault_wire(fffffd8064e117b0,2000003b0000,2000003c1000,1) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1684 uvm_vslock_device(ffff800032000038,2000003b04c0,10000,1,ffff80002a37e470) at uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:169 physio(ffffffff81acaeb0,d02,0,ffffffff81acb710,ffff80002a37e738) at physio+0x277 sys/kern/kern_physio.c:139 spec_write(ffff80002a37e590) at spec_write+0x120 sys/kern/spec_vnops.c:302 VOP_WRITE(fffffd805ee526d0,ffff80002a37e738,5,fffffd807f7d22d8) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 vn_write(fffffd806e1030b0,ffff80002a37e738,0) at vn_write+0x1d4 sys/kern/vfs_vnops.c:408 dofilewritev(ffff800032000038,3,ffff80002a37e738,0,ffff80002a37e7f0) at dofilewritev+0x23c sys/kern/sys_generic.c:380 sys_write(ffff800032000038,ffff80002a37e8a0,ffff80002a37e7f0) at sys_write+0xa2 sys/kern/sys_generic.c:300 syscall(ffff80002a37e8a0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a37e8a0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x6754e3ef230, count: 2 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:438 panic(ffffffff83423edb) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd8064e117b0,2000003b0000,2000003b2000) at uvm_fault_unwire_locked+0x4ed uvm_fault_wire(fffffd8064e117b0,2000003b0000,2000003c1000,1) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1702 [inline] uvm_fault_wire(fffffd8064e117b0,2000003b0000,2000003c1000,1) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1684 uvm_vslock_device(ffff800032000038,2000003b04c0,10000,1,ffff80002a37e470) at uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:169 physio(ffffffff81acaeb0,d02,0,ffffffff81acb710,ffff80002a37e738) at physio+0x277 sys/kern/kern_physio.c:139 spec_write(ffff80002a37e590) at spec_write+0x120 sys/kern/spec_vnops.c:302 VOP_WRITE(fffffd805ee526d0,ffff80002a37e738,5,fffffd807f7d22d8) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 vn_write(fffffd806e1030b0,ffff80002a37e738,0) at vn_write+0x1d4 sys/kern/vfs_vnops.c:408 dofilewritev(ffff800032000038,3,ffff80002a37e738,0,ffff80002a37e7f0) at dofilewritev+0x23c sys/kern/sys_generic.c:380 sys_write(ffff800032000038,ffff80002a37e8a0,ffff80002a37e7f0) at sys_write+0xa2 sys/kern/sys_generic.c:300 syscall(ffff80002a37e8a0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a37e8a0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x6754e3ef230, count: -13 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80002a37e1b0 rbx 0xffffffff837cedcf cpu_info_full_primary+0x2dcf rdx 0xffff800001485bc0 rcx 0xffff800032000038 rax 0xffffffff837cdff0 cpu_info_full_primary+0x1ff0 r8 0 r9 0x8080808080808080 r10 0x1befba6e54ab980a r11 0x7e328ca6f623a36c r12 0xffffffff837cebd0 cpu_info_full_primary+0x2bd0 r13 0 r14 0 r15 0x1 rip 0xffffffff81866dc5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002a37e1a0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=273733 pid=88811 tcnt=3 stat=onproc flags process=0 proc=4000000 runpri=36, usrpri=82, slppri=36, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000320014b8,0xffff800030ff79d8 process=0xffff800037c152c8 user=0xffff80002a379000, vmspace=0xfffffd8064e117b0 estcpu=32, cpticks=5, pctcpu=0.2, user=0, sys=7, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 20830 273199 53856 0 2 0x100000 sh 53856 191397 54356 0 3 0x10008a sigsusp sh 51190 467690 80595 0 2 0 syz-executor 51190 133950 80595 0 3 0x4000080 fsleep syz-executor 51190 103362 80595 0 3 0x4000080 fsleep syz-executor 88811 374812 19157 0 2 0 syz-executor *88811 273733 19157 0 7 0x4000000 syz-executor 88811 153324 19157 0 2 0x4000000 syz-executor 62519 109713 33795 0 7 0 syz-executor 62519 411590 33795 0 3 0x4000080 netcon syz-executor 62519 453529 33795 0 3 0x4000080 fsleep syz-executor 54356 458331 17689 0 3 0x82 wait syz-executor 33795 473006 17689 0 2 0x482 syz-executor 31400 426188 0 0 3 0x14200 acct acct 19157 220243 17689 0 3 0x82 nanoslp syz-executor 54713 298939 17689 0 3 0x82 nanoslp syz-executor 84633 242565 17689 0 3 0x82 wait syz-executor 6621 132622 0 0 3 0x14280 nfsidl nfsio 10935 250823 0 0 3 0x14280 nfsidl nfsio 88747 253834 0 0 3 0x14280 nfsidl nfsio 6282 406920 0 0 3 0x14280 nfsidl nfsio 59651 425608 0 0 3 0x14280 nfsidl nfsio 96387 133205 0 0 3 0x14280 nfsidl nfsio 87695 410501 0 0 3 0x14280 nfsidl nfsio 61077 228984 0 0 3 0x14280 nfsidl nfsio 68047 196334 0 0 3 0x14280 nfsidl nfsio 80454 514572 0 0 3 0x14280 nfsidl nfsio 86001 476639 0 0 3 0x14280 nfsidl nfsio 48636 178298 0 0 3 0x14280 nfsidl nfsio 13699 300575 0 0 3 0x14280 nfsidl nfsio 59518 177831 0 0 3 0x14280 nfsidl nfsio 23437 446938 0 0 3 0x14280 nfsidl nfsio 47340 362751 0 0 3 0x14280 nfsidl nfsio 35585 144161 0 0 3 0x14280 nfsidl nfsio 9242 55374 0 0 3 0x14280 nfsidl nfsio 44347 37896 0 0 3 0x14280 nfsidl nfsio 44553 334289 0 0 3 0x14280 nfsidl nfsio 72696 432323 0 0 3 0x14200 bored sosplice 80595 366684 17689 0 3 0x82 nanoslp syz-executor 77206 455260 17689 0 3 0x82 nanoslp syz-executor 19879 470170 17689 0 3 0x82 wait syz-executor 17689 465744 22959 0 3 0x82 kqread syz-executor 22959 434738 19079 0 3 0x10008a sigsusp ksh 19079 290705 40502 0 3 0x98 kqread sshd-session 40502 398899 3583 0 3 0x92 kqread sshd-session 93355 111055 1 0 3 0x100083 ttyin getty 3583 415647 1 0 3 0x88 kqread sshd 53772 209475 11204 74 3 0x1100092 bpf pflogd 11204 119145 1 0 3 0x80 sbwait pflogd 55629 362386 30234 73 3 0x1100090 kqread syslogd 30234 228610 1 0 3 0x100082 sbwait syslogd 67171 322727 1 0 3 0x100080 kqread resolvd 65442 250248 85999 77 3 0x100092 kqread dhcpleased 45617 446068 85999 77 3 0x100092 kqread dhcpleased 85999 393687 1 0 3 0x80 kqread dhcpleased 19166 36170 0 0 3 0x14200 bored smr 99247 482539 0 0 2 0x14200 zerothread 7835 40649 0 0 3 0x14200 aiodoned aiodoned 78015 336148 0 0 3 0x14200 syncer update 74926 407795 0 0 3 0x14200 cleaner cleaner 45697 328623 0 0 3 0x14200 reaper reaper 96603 148366 0 0 3 0x14200 pgdaemon pagedaemon 84311 145337 0 0 3 0x14200 bored viomb 22371 88517 0 0 3 0x40014200 acpi0 acpi0 36034 76166 0 0 3 0x40014200 idle1 94629 39366 0 0 3 0x14200 bored softnet3 17881 424180 0 0 3 0x14200 bored softnet2 8757 169322 0 0 3 0x14200 bored softnet1 83211 126258 0 0 3 0x14200 bored softnet0 89478 261034 0 0 3 0x14200 bored systqmp 9493 314057 0 0 3 0x14200 bored systq 57727 411883 0 0 3 0x14200 tmoslp softclockmp 86733 114321 0 0 2 0x40014200 softclock 65981 227195 0 0 3 0x40014200 idle0 1 504788 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{0}> show all locks Process 88811 (syz-executor) thread 0xffff800032000038 (273733) shared rwlock vmmaplk r = 0 (0xfffffd8064e118b0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_read+0x3af sys/kern/kern_rwlock.c:405 #2 uvm_fault_wire+0x116 uvm_fault_unwire sys/uvm/uvm_fault.c:1701 [inline] #2 uvm_fault_wire+0x116 sys/uvm/uvm_fault.c:1684 #3 uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:169 #4 physio+0x277 sys/kern/kern_physio.c:139 #5 spec_write+0x120 sys/kern/spec_vnops.c:302 #6 VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 #7 vn_write+0x1d4 sys/kern/vfs_vnops.c:408 #8 dofilewritev+0x23c sys/kern/sys_generic.c:380 #9 sys_write+0xa2 sys/kern/sys_generic.c:300 #10 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #11 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff8390d6a8) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 #2 mi_switch+0x4b7 sys/kern/sched_bsd.c:441 #3 sleep_finish+0x24f sys/kern/kern_synch.c:412 #4 rw_do_enter_read+0x2de sys/kern/kern_rwlock.c:385 #5 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1860 #6 uvm_fault_check+0x4b sys/uvm/uvm_fault.c:730 #7 uvm_fault+0x106 sys/uvm/uvm_fault.c:666 #8 uvm_fault_wire+0x73 sys/uvm/uvm_fault.c:1681 #9 uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:169 #10 physio+0x277 sys/kern/kern_physio.c:139 #11 spec_write+0x120 sys/kern/spec_vnops.c:302 #12 VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 #13 vn_write+0x1d4 sys/kern/vfs_vnops.c:408 #14 dofilewritev+0x23c sys/kern/sys_generic.c:380 #15 sys_write+0xa2 sys/kern/sys_generic.c:300 #16 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #16 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #17 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10244 11108K 15639K 166960K 13788 0 pcb 19 15K 16K 166960K 423 0 rtable 208 10K 10K 166960K 1051 0 pf 38 18K 22K 166960K 183 0 ifaddr 39 7K 8K 166960K 172 0 ifgroup 59 2K 2K 166960K 247 0 sysctl 4 1K 1K 166960K 4 0 counters 66 36K 37K 166960K 210 0 ioctlops 0 0K 4K 166960K 1719 0 iov 0 0K 16K 166960K 173 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1456 92K 92K 166960K 2803 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 3 5K 5K 166960K 20 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 60 0 dirhash 12 2K 2K 166960K 42 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 19 69K 85K 166960K 1753 0 sigio 0 0K 0K 166960K 31 0 proc 72 91K 128K 166960K 1192 0 subproc 72 4K 4K 166960K 243 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 429 0 in_multi 78 5K 7K 166960K 342 0 ether_multi 1 0K 0K 166960K 21 0 mrt 2 0K 0K 166960K 13 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 253 1129K 1129K 166960K 253 0 exec 0 0K 1K 166960K 868 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 4 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 252 153K 165K 166960K 16481 0 UVM aobj 40 5K 5K 166960K 47 0 pinsyscall 44 88K 100K 166960K 3316 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 66 0 NDP 13 0K 2K 166960K 120 0 temp 76 8688K 8764K 166960K 75864 0 kqueue 13 20K 30K 166960K 279 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 120 164 0 161 1 0 1 1 0 8 0 rtentry 176 346 0 259 6 1 5 6 0 8 0 unpcb 144 1045 0 1026 9 4 5 5 0 8 4 syncache 336 3 0 3 1 1 0 1 0 8 0 tcpcb 808 411 0 405 11 3 8 8 0 8 7 arp 128 58 0 42 1 0 1 1 0 8 0 inpcb 384 1931 0 1917 29 20 9 15 0 8 7 nd6 144 87 0 64 1 0 1 1 0 8 0 pkpcb 40 43 0 43 3 2 1 1 0 8 1 kcovpl 48 27 0 19 1 0 1 1 0 8 0 mppekey 1024 2 0 2 1 1 0 1 0 8 0 ppxss 1192 39 0 39 2 1 1 1 0 8 1 pppxif 1504 6 0 6 2 2 0 1 0 8 0 pfstscr 40 4 0 4 1 1 0 1 0 8 0 pffrag 232 5 0 2 3 2 1 1 0 482 0 pffrnode 88 5 0 2 3 2 1 1 0 8 0 pffrent 40 7 0 4 3 2 1 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 3 0 3 1 1 0 1 0 8 0 pfanchor 1288 2 0 1 1 0 1 1 0 8 0 pfstitem 24 104 0 45 1 0 1 1 0 8 0 pfstkey 128 108 0 49 3 0 3 3 0 8 0 pfstate 384 106 0 47 7 0 7 7 0 8 0 pfrule 1344 22 0 17 2 1 1 2 0 8 0 rttmr 136 2 0 2 1 1 0 1 0 8 0 art_heap8 4096 4 0 0 4 0 4 4 0 8 0 art_heap4 256 1421 0 1022 33 5 28 29 0 8 0 art_table 32 1425 0 1022 4 0 4 4 0 8 0 art_node 16 341 0 262 1 0 1 1 0 8 0 sysvmsgpl 40 7 0 3 1 0 1 1 0 8 0 semapl 112 57 0 47 1 0 1 1 0 8 0 shmpl 112 44 0 7 2 0 2 2 0 8 0 dirhash 1024 37 0 20 3 0 3 3 0 8 0 dino2pl 256 4208 0 2669 98 1 97 97 0 8 0 ffsino 288 4208 0 2669 111 0 111 111 0 8 0 nchpl 144 6313 0 4542 66 0 66 66 0 8 0 rtmask 32 9 0 9 3 3 0 1 0 8 0 uvmvnodes 80 5201 0 0 107 0 107 107 0 8 0 vnodes 216 5201 0 0 289 0 289 289 0 8 0 namei 1024 23574 0 23574 2 1 1 1 0 8 1 percpumem 16 120 0 72 1 0 1 1 0 8 0 pfiaddrpl 120 1 0 1 1 1 0 1 0 8 0 kstatmem 264 136 0 110 4 2 2 3 0 8 0 scsiplug 72 10 0 10 4 4 0 1 0 8 0 scxspl 216 20187 0 20187 11 10 1 5 1 8 1 plimitpl 152 357 0 339 1 0 1 1 0 8 0 sigapl 424 2042 0 1969 10 1 9 9 0 8 0 futexpl 64 21430 0 21427 1 0 1 1 0 8 0 knotepl 120 756 0 0 23 0 23 23 0 8 0 kqueuepl 224 582 0 572 5 2 3 3 0 8 2 pipepl 336 335 0 308 8 5 3 8 0 8 0 fdescpl 520 1996 0 1963 3 0 3 3 0 8 0 filepl 160 12146 0 11912 28 9 19 20 0 8 8 lockfpl 104 634 0 632 3 2 1 2 0 8 0 lockfspl 48 165 0 163 1 0 1 1 0 8 0 sessionpl 144 41 0 32 1 0 1 1 0 8 0 pgrppl 48 107 0 90 1 0 1 1 0 8 0 ucredpl 104 1639 0 1626 1 0 1 1 0 8 0 zombiepl 144 1973 0 1969 1 0 1 1 0 8 0 processpl 1192 2042 0 1969 6 0 6 6 0 8 0 procpl 656 4398 0 4319 8 0 8 8 0 8 0 srpgc 96 17 0 17 3 3 0 1 0 8 0 sosppl 168 6 0 6 2 1 1 1 0 8 1 sockpl 728 3193 0 3157 39 28 11 23 0 8 7 mcl64k 65536 4 0 0 1 0 1 1 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 140 0 0 17 0 17 17 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 46 0 0 5 0 5 5 0 8 0 mtagpl 96 133 0 0 4 0 4 4 0 8 0 mbufpl 256 1281 0 0 80 0 80 80 0 8 0 bufpl 280 6602 0 458 439 0 439 439 0 8 0 anonpl 32 9667 0 0 78 0 78 78 0 246 0 amapchunkpl 152 53395 0 52860 44 17 27 30 0 158 6 amappl16 200 4812 0 4781 42 36 6 15 0 8 0 amappl15 192 45 0 45 1 1 0 1 0 8 0 amappl14 184 147 0 134 1 0 1 1 0 8 0 amappl13 176 5 0 5 1 1 0 1 0 8 0 amappl12 168 2935 0 2899 4 1 3 3 0 8 0 amappl11 160 51 0 37 1 0 1 1 0 8 0 amappl10 152 4 0 3 1 0 1 1 0 8 0 amappl9 144 269 0 269 1 1 0 1 0 8 0 amappl8 136 23 0 20 1 0 1 1 0 8 0 amappl7 128 147 0 135 1 0 1 1 0 8 0 amappl6 120 359 0 354 1 0 1 1 0 8 0 amappl5 112 194 0 184 1 0 1 1 0 8 0 amappl4 104 372 0 351 1 0 1 1 0 8 0 amappl3 96 11023 0 10899 4 0 4 4 0 8 0 amappl2 88 897 0 835 2 0 2 2 0 8 0 amappl1 80 16019 0 15403 16 2 14 15 0 8 0 amappl 88 15247 0 15069 6 1 5 5 0 92 1 dma8192 8192 1 0 1 1 1 0 1 0 8 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 7 0 7 2 2 0 1 0 8 0 dma128 128 256 0 256 3 3 0 1 0 8 0 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 21 0 20 1 0 1 1 0 8 0 aobjpl 72 46 0 7 1 0 1 1 0 8 0 uaddrrnd 24 1996 0 1963 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1996 0 1963 1 0 1 1 0 8 0 vmmpekpl 168 16525 0 16468 3 0 3 3 0 8 0 vmmpepl 168 129431 0 127356 113 20 93 100 0 357 0 vmsppl 480 1995 0 1963 7 2 5 5 0 8 0 rwobjpl 72 38175 0 31965 115 1 114 114 0 8 0 pdppl 4096 4000 0 3926 116 40 76 82 0 8 2 pvpl 32 16943 0 0 137 0 137 137 0 265 0 pmappl 256 1995 0 1963 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 501 0 61 13 0 13 13 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:438 panic(ffffffff83423edb) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd8064e117b0,2000003b0000,2000003b2000) at uvm_fault_unwire_locked+0x4ed uvm_fault_wire(fffffd8064e117b0,2000003b0000,2000003c1000,1) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1702 [inline] uvm_fault_wire(fffffd8064e117b0,2000003b0000,2000003c1000,1) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1684 uvm_vslock_device(ffff800032000038,2000003b04c0,10000,1,ffff80002a37e470) at uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:169 physio(ffffffff81acaeb0,d02,0,ffffffff81acb710,ffff80002a37e738) at physio+0x277 sys/kern/kern_physio.c:139 spec_write(ffff80002a37e590) at spec_write+0x120 sys/kern/spec_vnops.c:302 VOP_WRITE(fffffd805ee526d0,ffff80002a37e738,5,fffffd807f7d22d8) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245 vn_write(fffffd806e1030b0,ffff80002a37e738,0) at vn_write+0x1d4 sys/kern/vfs_vnops.c:408 dofilewritev(ffff800032000038,3,ffff80002a37e738,0,ffff80002a37e7f0) at dofilewritev+0x23c sys/kern/sys_generic.c:380 sys_write(ffff800032000038,ffff80002a37e8a0,ffff80002a37e7f0) at sys_write+0xa2 sys/kern/sys_generic.c:300 syscall(ffff80002a37e8a0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a37e8a0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x6754e3ef230, count: -13 ddb{0}> machine ddbcpu 1