login: panic: uvm_fault_unwire_locked: address not in map Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *422426 27553 0 0 0x4000000 1K syz-executor 114579 67995 0 0x2 0x1 0 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833e6f54) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806c237d70,200000480000,200000481000) at uvm_fault_unwire_locked+0x4ee uvm_fault_wire(fffffd806c237d70,200000480000,200000491000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1744 [inline] uvm_fault_wire(fffffd806c237d70,200000480000,200000491000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1726 uvm_vslock_device(ffff80002a2902b0,200000480040,10000,3,ffff8000317e0308) at uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:169 physio(ffffffff819b2b80,d02,8000,ffffffff819b33d0,ffff8000317e05e8) at physio+0x257 sys/kern/kern_physio.c:139 spec_read(ffff8000317e0440) at spec_read+0x14b sys/kern/spec_vnops.c:215 VOP_READ(fffffd805fa28870,ffff8000317e05e8,0,fffffd80097fb618) at VOP_READ+0x101 sys/kern/vfs_vops.c:227 vn_read(fffffd806d0aad40,ffff8000317e05e8,1) at vn_read+0x17b sys/kern/vfs_vnops.c:369 dofilereadv(ffff80002a2902b0,3,ffff8000317e05e8,1,ffff8000317e06a0) at dofilereadv+0x25a sys/kern/sys_generic.c:252 sys_pread(ffff80002a2902b0,ffff8000317e0750,ffff8000317e06a0) at sys_pread+0xae sys/kern/vfs_syscalls.c:3307 syscall(ffff8000317e0750) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000317e0750) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd77e7192ce0, 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{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:438 panic(ffffffff833e6f54) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806c237d70,200000480000,200000481000) at uvm_fault_unwire_locked+0x4ee uvm_fault_wire(fffffd806c237d70,200000480000,200000491000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1744 [inline] uvm_fault_wire(fffffd806c237d70,200000480000,200000491000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1726 uvm_vslock_device(ffff80002a2902b0,200000480040,10000,3,ffff8000317e0308) at uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:169 physio(ffffffff819b2b80,d02,8000,ffffffff819b33d0,ffff8000317e05e8) at physio+0x257 sys/kern/kern_physio.c:139 spec_read(ffff8000317e0440) at spec_read+0x14b sys/kern/spec_vnops.c:215 VOP_READ(fffffd805fa28870,ffff8000317e05e8,0,fffffd80097fb618) at VOP_READ+0x101 sys/kern/vfs_vops.c:227 vn_read(fffffd806d0aad40,ffff8000317e05e8,1) at vn_read+0x17b sys/kern/vfs_vnops.c:369 dofilereadv(ffff80002a2902b0,3,ffff8000317e05e8,1,ffff8000317e06a0) at dofilereadv+0x25a sys/kern/sys_generic.c:252 sys_pread(ffff80002a2902b0,ffff8000317e0750,ffff8000317e06a0) at sys_pread+0xae sys/kern/vfs_syscalls.c:3307 syscall(ffff8000317e0750) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000317e0750) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd77e7192ce0, count: -13 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff8000317e0050 rbx 0xffff8000299eeddf rdx 0xffff80000144adc0 rcx 0xffff80002a2902b0 rax 0xffff8000299edff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x13676488ad0fb59 r11 0x65648449ef37c8f r12 0xffff8000299eebe0 r13 0 r14 0 r15 0x1 rip 0xffffffff8166e7f5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff8000317e0040 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=422426 pid=27553 tcnt=4 stat=onproc flags process=0 proc=4000000 runpri=36, usrpri=80, slppri=36, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a290548,0xffff800031be47f8 process=0xffff80002ebd61d8 user=0xffff8000317db000, vmspace=0xfffffd806c237d70 estcpu=30, cpticks=4, pctcpu=0.4, user=0, sys=4, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 39894 4422 54344 0 2 0 syz-executor 64818 251439 28291 0 2 0 syz-executor 64818 129757 28291 0 3 0x4000080 piperd syz-executor 53882 157639 528 0 3 0x80 nanoslp syz-executor 53882 481775 528 0 3 0x4000080 sbwait syz-executor 53882 397276 528 0 3 0x4000080 fsleep syz-executor 27553 134624 90092 0 3 0x80 nanoslp syz-executor *27553 422426 90092 0 7 0x4000000 syz-executor 27553 356124 90092 0 2 0x4000000 syz-executor 27553 153589 90092 0 2 0x4000000 syz-executor 41250 153801 40761 0 3 0x80 nanoslp syz-executor 41250 403904 40761 0 3 0x4000080 ttyin syz-executor 41250 182647 40761 0 3 0x4000080 fsleep syz-executor 24645 76390 67995 0 3 0x82 nanoslp syz-executor 73091 38813 1 0 3 0x100083 ttyin getty 28291 320409 67995 0 3 0x82 nanoslp syz-executor 40761 443013 67995 0 3 0x82 nanoslp syz-executor 54344 237968 67995 0 3 0x82 nanoslp syz-executor 528 244457 67995 0 3 0x82 nanoslp syz-executor 45 395346 67995 0 2 0x2 syz-executor 90092 75218 67995 0 3 0x82 nanoslp syz-executor 7196 170863 67995 0 3 0x82 wait syz-executor 67995 114579 96187 0 7 0x3 syz-executor 96187 106014 96274 0 3 0x10008a sigsusp ksh 96274 80158 93258 0 3 0x98 kqread sshd-session 93258 129330 12251 0 3 0x92 kqread sshd-session 12251 317867 1 0 3 0x88 kqread sshd 72127 426040 68542 74 3 0x1100092 bpf pflogd 68542 8156 1 0 3 0x80 sbwait pflogd 74432 345339 63376 73 3 0x1100090 kqread syslogd 63376 21016 1 0 3 0x100082 sbwait syslogd 49962 386058 1 0 3 0x100080 kqread resolvd 75583 187812 9063 77 3 0x100092 kqread dhcpleased 77300 329725 9063 77 3 0x100092 kqread dhcpleased 9063 413519 1 0 3 0x80 kqread dhcpleased 69467 125923 0 0 3 0x14200 bored smr 68750 291640 0 0 2 0x14200 zerothread 18319 144145 0 0 3 0x14200 aiodoned aiodoned 56991 147102 0 0 3 0x14200 syncer update 73081 383642 0 0 3 0x14200 cleaner cleaner 71795 403231 0 0 3 0x14200 reaper reaper 75073 260218 0 0 3 0x14200 pgdaemon pagedaemon 88544 93610 0 0 3 0x14200 bored viomb 67334 402586 0 0 3 0x40014200 acpi0 acpi0 97363 38015 0 0 3 0x40014200 idle1 48036 369724 0 0 3 0x14200 bored softnet1 4980 225408 0 0 2 0x14200 softnet0 91959 343102 0 0 3 0x14200 bored systqmp 88662 194381 0 0 3 0x14200 bored systq 29844 357135 0 0 3 0x14200 tmoslp softclockmp 4029 440434 0 0 3 0x40014200 tmoslp softclock 44236 488259 0 0 3 0x40014200 idle0 1 477031 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks Process 27553 (syz-executor) thread 0xffff80002a2902b0 (422426) shared rwlock vmmaplk r = 0 (0xfffffd806c237e70) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_read+0x3e8 sys/kern/kern_rwlock.c:413 #2 uvm_fault_wire+0x116 uvm_fault_unwire sys/uvm/uvm_fault.c:1743 [inline] #2 uvm_fault_wire+0x116 sys/uvm/uvm_fault.c:1726 #3 uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:169 #4 physio+0x257 sys/kern/kern_physio.c:139 #5 spec_read+0x14b sys/kern/spec_vnops.c:215 #6 VOP_READ+0x101 sys/kern/vfs_vops.c:227 #7 vn_read+0x17b sys/kern/vfs_vnops.c:369 #8 dofilereadv+0x25a sys/kern/sys_generic.c:252 #9 sys_pread+0xae sys/kern/vfs_syscalls.c:3307 #10 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 #11 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff839231c8) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 #2 sleep_finish+0x2d8 sys/kern/kern_synch.c:367 #3 rw_do_enter_read+0x309 sys/kern/kern_rwlock.c:-1 #4 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1902 #5 uvm_fault_check+0x4f sys/uvm/uvm_fault.c:699 #6 uvm_fault+0x106 sys/uvm/uvm_fault.c:633 #7 uvm_fault_wire+0x73 sys/uvm/uvm_fault.c:1723 #8 uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:169 #9 physio+0x257 sys/kern/kern_physio.c:139 #10 spec_read+0x14b sys/kern/spec_vnops.c:215 #11 VOP_READ+0x101 sys/kern/vfs_vops.c:227 #12 vn_read+0x17b sys/kern/vfs_vnops.c:369 #13 dofilereadv+0x25a sys/kern/sys_generic.c:252 #14 sys_pread+0xae sys/kern/vfs_syscalls.c:3307 #15 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #15 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 #16 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10212 11096K 11346K 166960K 11762 0 pcb 18 13K 14K 166960K 131 0 rtable 208 8K 8K 166960K 439 0 pf 42 19K 19K 166960K 80 0 ifaddr 41 6K 7K 166960K 65 0 ifgroup 64 2K 2K 166960K 97 0 sysctl 4 1K 9K 166960K 10 0 counters 72 37K 37K 166960K 104 0 ioctlops 0 0K 4K 166960K 1576 0 iov 0 0K 12K 166960K 10 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1403 88K 89K 166960K 1727 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 9 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 22 0 dirhash 12 2K 2K 166960K 15 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 228K 166960K 545 0 sigio 0 0K 0K 166960K 13 0 proc 72 115K 163K 166960K 603 0 subproc 72 4K 4K 166960K 81 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 1 0K 0K 166960K 60 0 in_multi 85 6K 7K 166960K 129 0 ether_multi 1 0K 0K 166960K 6 0 mrt 1 0K 0K 166960K 7 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 73 334K 334K 166960K 73 0 exec 0 0K 1K 166960K 529 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 250 155K 174K 166960K 6877 0 UVM aobj 12 10K 10K 166960K 13 0 pinsyscall 42 84K 106K 166960K 1692 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 31 0 NDP 14 0K 2K 166960K 43 0 temp 53 8649K 8775K 166960K 23750 0 kqueue 14 22K 27K 166960K 100 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 26 0 0 1 0 1 1 0 8 0 rtpcb 120 89 0 86 2 1 1 2 0 8 0 rtentry 176 127 0 40 6 1 5 6 0 8 0 unpcb 144 247 0 226 2 0 2 2 0 8 0 syncache 336 5 0 5 2 2 0 1 0 8 0 tcpqe 32 1 0 1 1 1 0 1 0 8 0 tcpcb 736 92 0 85 1 0 1 1 0 8 0 arp 136 20 0 4 1 0 1 1 0 8 0 inpcb 328 393 0 381 5 3 2 4 0 8 0 nd6 152 28 0 6 1 0 1 1 0 8 0 pkpcb 40 4 0 4 2 1 1 1 0 8 1 kcovpl 48 9 0 1 1 0 1 1 0 8 0 ppxss 1192 12 0 12 2 1 1 1 0 8 1 pfstscr 40 1 0 0 1 0 1 1 0 8 0 pffrag 232 1 0 0 1 0 1 1 0 482 0 pffrnode 88 1 0 0 1 0 1 1 0 8 0 pffrent 40 1 0 0 1 0 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 pfstitem 24 50 0 1 1 0 1 1 0 8 0 pfstkey 128 52 0 3 2 0 2 2 0 8 0 pfstate 384 49 0 2 5 0 5 5 0 8 0 pfrule 1344 23 0 17 2 1 1 2 0 8 0 rttmr 136 2 0 2 2 1 1 1 0 8 1 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 595 0 246 32 8 24 31 0 8 1 art_table 40 597 0 246 5 0 5 5 0 8 0 art_node 32 127 0 49 1 0 1 1 0 8 0 sysvmsgpl 40 7 0 3 2 1 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 17 0 7 1 0 1 1 0 8 0 shmpl 112 7 0 1 1 0 1 1 0 8 0 dirhash 1024 19 0 2 3 0 3 3 0 8 0 dino2pl 256 2276 0 764 96 1 95 96 0 8 0 ffsino 296 2276 0 764 117 0 117 117 0 8 0 nchpl 144 3016 0 1314 64 0 64 64 0 8 0 rtmask 32 5 0 5 2 1 1 1 0 8 1 vnodes 216 2594 0 0 145 0 145 145 0 8 0 namei 1024 9989 0 9989 3 2 1 2 0 8 1 percpumem 16 67 0 16 1 0 1 1 0 8 0 vcpupl 3968 3 0 0 1 0 1 1 0 8 0 vmpool 840 3 0 0 1 0 1 1 0 8 0 kstatmem 264 54 0 22 3 0 3 3 0 8 0 scsiplug 72 2 0 2 1 1 0 1 0 8 0 scxspl 216 14532 0 14532 10 9 1 8 1 8 1 plimitpl 152 121 0 103 1 0 1 1 0 8 0 sigapl 424 839 0 792 7 1 6 7 0 8 0 knotepl 120 522 0 0 16 0 16 16 0 8 0 kqueuepl 224 148 0 137 2 1 1 2 0 8 0 pipepl 344 260 0 231 9 6 3 9 0 8 0 fdescpl 528 819 0 788 3 0 3 3 0 8 0 filepl 160 4301 0 4070 20 7 13 18 0 8 2 lockfpl 104 288 0 286 2 1 1 2 0 8 0 lockfspl 48 131 0 129 1 0 1 1 0 8 0 sessionpl 144 26 0 17 1 0 1 1 0 8 0 pgrppl 48 40 0 23 1 0 1 1 0 8 0 ucredpl 104 436 0 423 1 0 1 1 0 8 0 zombiepl 144 1024 0 1022 1 0 1 1 0 8 0 processpl 1232 839 0 792 6 1 5 5 0 8 0 procpl 664 1560 0 1505 6 0 6 6 0 8 0 sosppl 176 2 0 2 2 2 0 1 0 8 0 sockpl 752 809 0 773 9 3 6 7 0 8 1 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 120 0 0 15 0 15 15 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 40 0 0 5 0 5 5 0 8 0 mtagpl 96 2 0 0 1 0 1 1 0 8 0 mbufpl 256 202 0 0 13 0 13 13 0 8 0 bufpl 280 5464 0 135 381 0 381 381 0 8 0 anonpl 32 8246 0 0 67 0 67 67 0 246 0 amapchunkpl 152 22461 0 21945 42 15 27 34 0 158 1 amappl16 200 2854 0 2819 22 8 14 14 0 8 8 amappl15 192 20 0 20 1 1 0 1 0 8 0 amappl14 184 4 0 4 1 1 0 1 0 8 0 amappl13 176 441 0 440 1 0 1 1 0 8 0 amappl12 168 1189 0 1148 3 0 3 3 0 8 0 amappl11 160 5 0 5 1 1 0 1 0 8 0 amappl10 152 48 0 33 1 0 1 1 0 8 0 amappl9 144 251 0 251 1 1 0 1 0 8 0 amappl8 136 30 0 28 1 0 1 1 0 8 0 amappl7 128 89 0 87 1 0 1 1 0 8 0 amappl6 120 299 0 285 1 0 1 1 0 8 0 amappl5 112 96 0 85 1 0 1 1 0 8 0 amappl4 104 439 0 410 1 0 1 1 0 8 0 amappl3 96 3624 0 3527 4 1 3 3 0 8 0 amappl2 88 937 0 862 2 0 2 2 0 8 0 amappl1 80 11270 0 10687 15 2 13 15 0 8 0 amappl 88 6047 0 5875 5 0 5 5 0 92 0 uvmvnodes 80 118 0 0 3 0 3 3 0 8 0 dma16384 16384 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 6 0 6 1 1 0 1 0 8 0 dma128 128 254 0 254 2 2 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 19 0 18 1 0 1 1 0 8 0 aobjpl 72 12 0 1 1 0 1 1 0 8 0 uaddrrnd 24 819 0 788 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 819 0 788 1 0 1 1 0 8 0 vmmpekpl 168 8874 0 8825 3 0 3 3 0 8 0 vmmpepl 168 60646 0 58715 104 6 98 98 0 357 2 vmsppl 488 818 0 788 5 0 5 5 0 8 0 rwobjpl 80 19431 0 18363 28 1 27 27 0 8 0 pdppl 4096 1652 0 1579 104 29 75 84 0 8 2 pvpl 32 16451 0 0 133 0 133 133 0 265 0 pmappl 256 821 0 788 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 286 0 45 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff837c5ff0) 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 __mp_lock(ffffffff83922fc0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:138 [inline] __mp_lock(ffffffff83922fc0) at __mp_lock+0x192 sys/kern/kern_lock.c:169 softintr_dispatch(0) at softintr_dispatch+0x125 sys/kern/kern_softintr.c:83 dosoftint(0) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:847 Xsoftclock() at Xsoftclock+0x27 __mp_lock(ffffffff83922fc0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:138 [inline] __mp_lock(ffffffff83922fc0) at __mp_lock+0x192 sys/kern/kern_lock.c:169 ktrstruct(ffff80002a272010,ffffffff833c6935,ffff80000147b618,8) at ktrstruct+0xdf sys/kern/kern_ktrace.c:313 dopselect(ffff80002a272010,35,769658e561c0,0,0,ffff80002a270c30,397095c4ac06e135,ffff80002a270cd0) at dopselect+0xc6b sys/kern/sys_generic.c:720 sys_pselect(ffff80002a272010,ffff80002a270d80,ffff80002a270cd0) at sys_pselect+0x25a sys/kern/sys_generic.c:589 syscall(ffff80002a270d80) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a270d80) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x769658e56170, count: 2 ddb{0}> trace x86_ipi_db(ffffffff837c5ff0) 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 __mp_lock(ffffffff83922fc0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:138 [inline] __mp_lock(ffffffff83922fc0) at __mp_lock+0x192 sys/kern/kern_lock.c:169 softintr_dispatch(0) at softintr_dispatch+0x125 sys/kern/kern_softintr.c:83 dosoftint(0) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:847 Xsoftclock() at Xsoftclock+0x27 __mp_lock(ffffffff83922fc0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:138 [inline] __mp_lock(ffffffff83922fc0) at __mp_lock+0x192 sys/kern/kern_lock.c:169 ktrstruct(ffff80002a272010,ffffffff833c6935,ffff80000147b618,8) at ktrstruct+0xdf sys/kern/kern_ktrace.c:313 dopselect(ffff80002a272010,35,769658e561c0,0,0,ffff80002a270c30,397095c4ac06e135,ffff80002a270cd0) at dopselect+0xc6b sys/kern/sys_generic.c:720 sys_pselect(ffff80002a272010,ffff80002a270d80,ffff80002a270cd0) at sys_pselect+0x25a sys/kern/sys_generic.c:589 syscall(ffff80002a270d80) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a270d80) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x769658e56170, count: -13 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:438 panic(ffffffff833e6f54) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806c237d70,200000480000,200000481000) at uvm_fault_unwire_locked+0x4ee uvm_fault_wire(fffffd806c237d70,200000480000,200000491000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1744 [inline] uvm_fault_wire(fffffd806c237d70,200000480000,200000491000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1726 uvm_vslock_device(ffff80002a2902b0,200000480040,10000,3,ffff8000317e0308) at uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:169 physio(ffffffff819b2b80,d02,8000,ffffffff819b33d0,ffff8000317e05e8) at physio+0x257 sys/kern/kern_physio.c:139 spec_read(ffff8000317e0440) at spec_read+0x14b sys/kern/spec_vnops.c:215 VOP_READ(fffffd805fa28870,ffff8000317e05e8,0,fffffd80097fb618) at VOP_READ+0x101 sys/kern/vfs_vops.c:227 vn_read(fffffd806d0aad40,ffff8000317e05e8,1) at vn_read+0x17b sys/kern/vfs_vnops.c:369 dofilereadv(ffff80002a2902b0,3,ffff8000317e05e8,1,ffff8000317e06a0) at dofilereadv+0x25a sys/kern/sys_generic.c:252 sys_pread(ffff80002a2902b0,ffff8000317e0750,ffff8000317e06a0) at sys_pread+0xae sys/kern/vfs_syscalls.c:3307 syscall(ffff8000317e0750) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000317e0750) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd77e7192ce0, count: 2 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833e6f54) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806c237d70,200000480000,200000481000) at uvm_fault_unwire_locked+0x4ee uvm_fault_wire(fffffd806c237d70,200000480000,200000491000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1744 [inline] uvm_fault_wire(fffffd806c237d70,200000480000,200000491000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1726 uvm_vslock_device(ffff80002a2902b0,200000480040,10000,3,ffff8000317e0308) at uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:169 physio(ffffffff819b2b80,d02,8000,ffffffff819b33d0,ffff8000317e05e8) at physio+0x257 sys/kern/kern_physio.c:139 spec_read(ffff8000317e0440) at spec_read+0x14b sys/kern/spec_vnops.c:215 VOP_READ(fffffd805fa28870,ffff8000317e05e8,0,fffffd80097fb618) at VOP_READ+0x101 sys/kern/vfs_vops.c:227 vn_read(fffffd806d0aad40,ffff8000317e05e8,1) at vn_read+0x17b sys/kern/vfs_vnops.c:369 dofilereadv(ffff80002a2902b0,3,ffff8000317e05e8,1,ffff8000317e06a0) at dofilereadv+0x25a sys/kern/sys_generic.c:252 sys_pread(ffff80002a2902b0,ffff8000317e0750,ffff8000317e06a0) at sys_pread+0xae sys/kern/vfs_syscalls.c:3307 syscall(ffff8000317e0750) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000317e0750) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xd77e7192ce0, count: -13