panic: uvm_fault_unwire_locked: addresWs ARnNoINtG :i n maSPLp N OT LStopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 188118 3372 0 0 0x4000000 0 syz-executor *239083 30328 0 0 0x4000000 1 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833dfad0) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806bbb43f0,2000000b0000,2000000b9000) at uvm_fault_unwire_locked+0x4ee uvm_fault_wire(fffffd806bbb43f0,2000000b0000,2000000c1000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1744 [inline] uvm_fault_wire(fffffd806bbb43f0,2000000b0000,2000000c1000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1726 uvm_vslock_device(ffff80003c4094e0,2000000b0040,10000,3,ffff80003c44d4b8) at uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:169 physio(ffffffff8101c680,d02,8000,ffffffff8101ced0,ffff80003c44d798) at physio+0x257 sys/kern/kern_physio.c:139 spec_read(ffff80003c44d5f0) at spec_read+0x14b sys/kern/spec_vnops.c:215 VOP_READ(fffffd805fee8ca8,ffff80003c44d798,0,fffffd80097fb888) at VOP_READ+0x101 sys/kern/vfs_vops.c:227 vn_read(fffffd805f9e1878,ffff80003c44d798,1) at vn_read+0x17b sys/kern/vfs_vnops.c:369 dofilereadv(ffff80003c4094e0,4,ffff80003c44d798,1,ffff80003c44d850) at dofilereadv+0x25a sys/kern/sys_generic.c:252 sys_pread(ffff80003c4094e0,ffff80003c44d900,ffff80003c44d850) at sys_pread+0xae sys/kern/vfs_syscalls.c:3307 syscall(ffff80003c44d900) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c44d900) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2cc25e9e2e0, 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(ffffffff833dfad0) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806bbb43f0,2000000b0000,2000000b9000) at uvm_fault_unwire_locked+0x4ee uvm_fault_wire(fffffd806bbb43f0,2000000b0000,2000000c1000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1744 [inline] uvm_fault_wire(fffffd806bbb43f0,2000000b0000,2000000c1000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1726 uvm_vslock_device(ffff80003c4094e0,2000000b0040,10000,3,ffff80003c44d4b8) at uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:169 physio(ffffffff8101c680,d02,8000,ffffffff8101ced0,ffff80003c44d798) at physio+0x257 sys/kern/kern_physio.c:139 spec_read(ffff80003c44d5f0) at spec_read+0x14b sys/kern/spec_vnops.c:215 VOP_READ(fffffd805fee8ca8,ffff80003c44d798,0,fffffd80097fb888) at VOP_READ+0x101 sys/kern/vfs_vops.c:227 vn_read(fffffd805f9e1878,ffff80003c44d798,1) at vn_read+0x17b sys/kern/vfs_vnops.c:369 dofilereadv(ffff80003c4094e0,4,ffff80003c44d798,1,ffff80003c44d850) at dofilereadv+0x25a sys/kern/sys_generic.c:252 sys_pread(ffff80003c4094e0,ffff80003c44d900,ffff80003c44d850) at sys_pread+0xae sys/kern/vfs_syscalls.c:3307 syscall(ffff80003c44d900) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c44d900) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2cc25e9e2e0, count: -13 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80003c44d200 rbx 0xffff8000299eee07 rdx 0 rcx 0xffff80003c4094e0 rax 0xffff8000299edff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x4bc875b62025c3c2 r11 0xff0a04a7b7a65bc3 r12 0xffff8000299eec08 r13 0 r14 0 r15 0x1 rip 0xffffffff82d87095 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c44d1f0 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=239083 pid=30328 tcnt=4 stat=onproc flags process=0 proc=4000000 runpri=36, usrpri=50, slppri=36, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003c408020,0xffff80003c409788 process=0xffff80002a3ceb68 user=0xffff80003c448000, vmspace=0xfffffd806bbb43f0 estcpu=36, cpticks=3, pctcpu=0.0, user=0, sys=3, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 3372 286751 5790 0 2 0 syz-executor 3372 188118 5790 0 7 0x4000000 syz-executor 30328 492088 56218 0 2 0 syz-executor *30328 239083 56218 0 7 0x4000000 syz-executor 30328 9089 56218 0 2 0x4000000 syz-executor 30328 457385 56218 0 2 0x4000000 syz-executor 72408 221741 0 0 3 0x14280 nfsidl nfsio 76211 123613 0 0 3 0x14280 nfsidl nfsio 18982 109420 0 0 3 0x14280 nfsidl nfsio 66139 345078 12065 0 3 0x80 nanoslp syz-executor 66139 311469 12065 0 3 0x4000080 kqsel syz-executor 66139 224906 12065 0 3 0x4000080 kqsel syz-executor 66139 33414 12065 0 3 0x4000080 fsleep syz-executor 85765 301627 85761 0 3 0x3000 suspend syz-executor 85765 374972 85761 0 3 0x4081000 biowait syz-executor 4812 177178 93436 0 3 0x82 nanoslp syz-executor 12065 14217 93436 0 3 0x82 nanoslp syz-executor 5790 396620 93436 0 3 0x82 nanoslp syz-executor 85761 476125 93436 0 3 0x82 nanoslp syz-executor 56218 447312 93436 0 3 0x82 nanoslp syz-executor 72080 349116 93436 0 3 0x82 wait syz-executor 48845 97758 93436 0 3 0x82 wait syz-executor 28699 404601 93436 0 3 0x82 nanoslp syz-executor 93436 46509 99444 0 3 0x82 kqread syz-executor 99444 230486 99689 0 3 0x10008a sigsusp ksh 99689 495501 59066 0 3 0x98 kqread sshd-session 59066 246300 93157 0 3 0x92 kqread sshd-session 54242 209647 1 0 3 0x100083 ttyopn getty 93157 458554 1 0 3 0x88 kqread sshd 30897 52727 97930 74 3 0x1100092 bpf pflogd 97930 166082 1 0 3 0x80 sbwait pflogd 94183 471292 40834 73 3 0x1100090 kqread syslogd 40834 322507 1 0 3 0x100082 sbwait syslogd 76246 301249 1 0 3 0x100080 kqread resolvd 38604 464132 66587 77 3 0x100092 kqread dhcpleased 44189 289167 66587 77 3 0x100092 kqread dhcpleased 66587 324267 1 0 3 0x80 kqread dhcpleased 95171 500929 0 0 3 0x14200 bored smr 9612 200535 0 0 3 0x14200 pgzero zerothread 93539 280377 0 0 3 0x14200 aiodoned aiodoned 38879 191031 0 0 3 0x14200 syncer update 56259 183896 0 0 3 0x14200 cleaner cleaner 81375 216503 0 0 3 0x14200 reaper reaper 32425 36246 0 0 3 0x14200 pgdaemon pagedaemon 93872 463237 0 0 3 0x14200 bored viomb 87959 407120 0 0 3 0x40014200 acpi0 acpi0 1871 195071 0 0 3 0x40014200 idle1 33887 47414 0 0 3 0x14200 bored softnet1 26350 179058 0 0 3 0x14200 bored softnet0 40511 278521 0 0 3 0x14200 bored systqmp 48343 339442 0 0 3 0x14200 bored systq 93660 70426 0 0 3 0x14200 tmoslp softclockmp 42461 234366 0 0 3 0x40014200 tmoslp softclock 31882 180631 0 0 3 0x40014200 idle0 1 301093 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks CPU 0: exclusive mutex &uvm.fpageqlock r = 0 (0xffffffff839ab438) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 mtx_enter+0x4b4 sys/kern/kern_lock.c:487 #2 uvm_pmr_freepages+0x1a8 sys/uvm/uvm_pmemrange.c:-1 #3 uvm_anfree_list+0x1e5 sys/uvm/uvm_anon.c:129 #4 amap_wipeout+0x248 sys/uvm/uvm_amap.c:-1 #5 uvm_unmap_detach+0x8a sys/uvm/uvm_map.c:1353 #6 sys_munmap+0x329 sys/uvm/uvm_mmap.c:544 #7 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #7 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 #8 Xsyscall+0x128 Process 30328 (syz-executor) thread 0xffff80003c4094e0 (239083) shared rwlock vmmaplk r = 0 (0xfffffd806bbb44f0) #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 (0xffffffff83901248) #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 Process 30328 (syz-executor) thread 0xffff80003c409a10 (457385) uvm_fault(0xfffffd806bbb43f0, 0x400000003, 0, 1) -> e kernel: page fault trap, code=0 Faulted in DDB; continuing... ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10213 11038K 11700K 166960K 12145 0 pcb 18 14K 15K 166960K 196 0 rtable 227 12K 12K 166960K 442 0 pf 40 18K 19K 166960K 103 0 ifaddr 42 7K 7K 166960K 81 0 ifgroup 61 2K 2K 166960K 121 0 sysctl 2 1K 9K 166960K 6 0 counters 72 37K 38K 166960K 168 0 ioctlops 0 0K 4K 166960K 1573 0 iov 0 0K 16K 166960K 33 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1432 90K 90K 166960K 1946 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 2K 5K 166960K 10 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 24 0 dirhash 12 2K 2K 166960K 18 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 18 65K 93K 166960K 498 0 sigio 0 0K 0K 166960K 11 0 proc 72 115K 180K 166960K 576 0 subproc 72 4K 4K 166960K 72 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 108 0 in_multi 81 5K 7K 166960K 118 0 ether_multi 1 0K 0K 166960K 7 0 mrt 0 0K 0K 166960K 4 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 85 387K 387K 166960K 85 0 exec 0 0K 1K 166960K 435 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 264 172K 188K 166960K 6556 0 UVM aobj 11 8K 8K 166960K 11 0 pinsyscall 43 86K 106K 166960K 1627 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 24 0 NDP 14 0K 2K 166960K 53 0 temp 48 8656K 8727K 166960K 26069 0 kqueue 15 24K 32K 166960K 125 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 66 0 61 1 0 1 1 0 8 0 rtentry 176 124 0 36 6 0 6 6 0 8 0 unpcb 144 215 0 198 2 1 1 2 0 8 0 syncache 336 5 0 5 1 1 0 1 0 8 0 tcpqe 32 1 0 1 1 1 0 1 0 8 0 tcpcb 736 232 0 225 7 3 4 7 0 8 3 arp 136 19 0 2 1 0 1 1 0 8 0 inpcb 328 707 0 697 7 3 4 7 0 8 3 nd6 152 26 0 6 1 0 1 1 0 8 0 pkpcb 40 7 0 7 1 0 1 1 0 8 1 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1192 44 0 43 1 0 1 1 0 8 0 pppxif 1504 4 0 4 2 1 1 1 0 8 1 pffrag 232 5 0 1 1 0 1 1 0 482 0 pffrnode 88 5 0 1 1 0 1 1 0 8 0 pffrent 40 8 0 4 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 pfrktable 1344 1 0 0 1 0 1 1 0 8 0 pftag 88 2 0 0 1 0 1 1 0 8 0 pfstitem 24 19 0 1 1 0 1 1 0 8 0 pfstkey 128 19 0 1 1 0 1 1 0 8 0 pfstate 384 19 0 1 2 0 2 2 0 8 0 pfrule 1344 24 0 16 2 1 1 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 509 0 143 29 2 27 29 0 8 2 art_table 40 511 0 143 5 0 5 5 0 8 0 art_node 32 122 0 43 1 0 1 1 0 8 0 sysvmsgpl 40 1 0 0 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 19 0 9 1 0 1 1 0 8 0 shmpl 112 5 0 0 1 0 1 1 0 8 0 dirhash 1024 21 0 4 3 0 3 3 0 8 0 dino2pl 256 2411 0 906 96 0 96 96 0 8 0 ffsino 296 2411 0 906 118 1 117 118 0 8 0 nchpl 144 3101 0 1394 64 0 64 64 0 8 0 rtmask 32 13 0 13 1 0 1 1 0 8 1 vnodes 216 2811 0 0 157 0 157 157 0 8 0 namei 1024 11055 0 11055 2 1 1 2 0 8 1 percpumem 16 99 0 48 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 78 0 46 3 0 3 3 0 8 0 acpiwqpl 32 2 0 2 1 0 1 1 1 8 1 scsiplug 72 3 0 3 1 0 1 1 0 8 1 scxspl 216 12961 0 12960 6 2 4 4 1 8 3 plimitpl 152 76 0 55 1 0 1 1 0 8 0 sigapl 424 811 0 760 7 1 6 7 0 8 0 knotepl 120 540 0 0 17 0 17 17 0 8 0 kqueuepl 224 250 0 237 5 3 2 5 0 8 1 pipepl 344 181 0 154 3 0 3 3 0 8 0 fdescpl 528 791 0 759 3 0 3 3 0 8 0 filepl 160 4987 0 4756 16 2 14 16 0 8 3 lockfpl 104 217 0 215 1 0 1 1 0 8 0 lockfspl 48 92 0 90 1 0 1 1 0 8 0 sessionpl 144 23 0 14 1 0 1 1 0 8 0 pgrppl 48 43 0 26 1 0 1 1 0 8 0 ucredpl 104 758 0 744 1 0 1 1 0 8 0 zombiepl 144 765 0 760 1 0 1 1 0 8 0 processpl 1232 811 0 760 6 1 5 5 0 8 1 procpl 664 1464 0 1405 6 0 6 6 0 8 0 sockpl 752 1007 0 974 11 4 7 11 0 8 3 mcl64k 65536 2 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 110 0 0 14 0 14 14 0 8 0 mcl2k 2048 35 0 0 5 0 5 5 0 8 0 mtagpl 96 4 0 0 1 0 1 1 0 8 0 mbufpl 256 213 0 0 14 0 14 14 0 8 0 bufpl 280 5040 0 126 351 0 351 351 0 8 0 anonpl 32 8722 0 0 71 0 71 71 0 246 0 amapchunkpl 152 21864 0 21293 43 0 43 43 0 158 18 amappl16 200 2846 0 2699 16 4 12 15 0 8 4 amappl15 192 11 0 11 1 1 0 1 0 8 0 amappl14 184 17 0 17 2 2 0 1 0 8 0 amappl13 176 430 0 429 1 0 1 1 0 8 0 amappl12 168 1151 0 1108 3 0 3 3 0 8 0 amappl11 160 18 0 18 1 1 0 1 0 8 0 amappl10 152 51 0 37 1 0 1 1 0 8 0 amappl9 144 250 0 250 1 1 0 1 0 8 0 amappl8 136 30 0 28 1 0 1 1 0 8 0 amappl7 128 109 0 108 1 0 1 1 0 8 0 amappl6 120 281 0 268 1 0 1 1 0 8 0 amappl5 112 78 0 67 1 0 1 1 0 8 0 amappl4 104 448 0 420 1 0 1 1 0 8 0 amappl3 96 3430 0 3330 4 1 3 3 0 8 0 amappl2 88 906 0 828 2 0 2 2 0 8 0 amappl1 80 10724 0 10125 16 2 14 16 0 8 0 amappl 88 5750 0 5567 5 0 5 5 0 92 0 uvmvnodes 80 112 0 0 3 0 3 3 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 128 253 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 10 0 0 1 0 1 1 0 8 0 uaddrrnd 24 791 0 759 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 791 0 759 1 0 1 1 0 8 0 vmmpekpl 168 8251 0 8217 2 0 2 2 0 8 0 vmmpepl 168 57631 0 55523 98 0 98 98 0 357 6 vmsppl 488 790 0 759 5 1 4 5 0 8 0 rwobjpl 80 18449 0 17270 27 0 27 27 0 8 2 pdppl 4096 1595 0 1521 103 29 74 85 0 8 0 pvpl 32 18649 0 0 151 0 151 151 0 265 0 pmappl 256 793 0 759 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 285 0 38 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff8384bff0) 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 x86_bus_space_io_read_4(b008,0) at x86_bus_space_io_read_4+0x37 sys/arch/amd64/amd64/bus_space.c:682 acpitimer_delay(1) at acpitimer_delay+0x76 acpitimer_read sys/dev/acpi/acpitimer.c:142 [inline] acpitimer_delay(1) at acpitimer_delay+0x76 sys/dev/acpi/acpitimer.c:120 comcnputc(800,4c) at comcnputc+0x29b sys/dev/ic/com.c:1269 cnputc(4c) at cnputc+0x67 sys/dev/cons.c:218 kputchar(4c,5,0) at kputchar+0x2ed sys/kern/subr_prf.c:367 kprintf() at kprintf+0x223 sys/kern/subr_prf.c:723 printf(ffffffff8354f076) at printf+0x8b sys/kern/subr_prf.c:529 proc_trampoline() at proc_trampoline+0xc6 end of kernel end trace frame: 0xdb75e8708d0, count: 4 ddb{0}> trace x86_ipi_db(ffffffff8384bff0) 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 x86_bus_space_io_read_4(b008,0) at x86_bus_space_io_read_4+0x37 sys/arch/amd64/amd64/bus_space.c:682 acpitimer_delay(1) at acpitimer_delay+0x76 acpitimer_read sys/dev/acpi/acpitimer.c:142 [inline] acpitimer_delay(1) at acpitimer_delay+0x76 sys/dev/acpi/acpitimer.c:120 comcnputc(800,4c) at comcnputc+0x29b sys/dev/ic/com.c:1269 cnputc(4c) at cnputc+0x67 sys/dev/cons.c:218 kputchar(4c,5,0) at kputchar+0x2ed sys/kern/subr_prf.c:367 kprintf() at kprintf+0x223 sys/kern/subr_prf.c:723 printf(ffffffff8354f076) at printf+0x8b sys/kern/subr_prf.c:529 proc_trampoline() at proc_trampoline+0xc6 end of kernel end trace frame: 0xdb75e8708d0, count: -11 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(ffffffff833dfad0) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806bbb43f0,2000000b0000,2000000b9000) at uvm_fault_unwire_locked+0x4ee uvm_fault_wire(fffffd806bbb43f0,2000000b0000,2000000c1000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1744 [inline] uvm_fault_wire(fffffd806bbb43f0,2000000b0000,2000000c1000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1726 uvm_vslock_device(ffff80003c4094e0,2000000b0040,10000,3,ffff80003c44d4b8) at uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:169 physio(ffffffff8101c680,d02,8000,ffffffff8101ced0,ffff80003c44d798) at physio+0x257 sys/kern/kern_physio.c:139 spec_read(ffff80003c44d5f0) at spec_read+0x14b sys/kern/spec_vnops.c:215 VOP_READ(fffffd805fee8ca8,ffff80003c44d798,0,fffffd80097fb888) at VOP_READ+0x101 sys/kern/vfs_vops.c:227 vn_read(fffffd805f9e1878,ffff80003c44d798,1) at vn_read+0x17b sys/kern/vfs_vnops.c:369 dofilereadv(ffff80003c4094e0,4,ffff80003c44d798,1,ffff80003c44d850) at dofilereadv+0x25a sys/kern/sys_generic.c:252 sys_pread(ffff80003c4094e0,ffff80003c44d900,ffff80003c44d850) at sys_pread+0xae sys/kern/vfs_syscalls.c:3307 syscall(ffff80003c44d900) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c44d900) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2cc25e9e2e0, count: 2 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833dfad0) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806bbb43f0,2000000b0000,2000000b9000) at uvm_fault_unwire_locked+0x4ee uvm_fault_wire(fffffd806bbb43f0,2000000b0000,2000000c1000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1744 [inline] uvm_fault_wire(fffffd806bbb43f0,2000000b0000,2000000c1000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1726 uvm_vslock_device(ffff80003c4094e0,2000000b0040,10000,3,ffff80003c44d4b8) at uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:169 physio(ffffffff8101c680,d02,8000,ffffffff8101ced0,ffff80003c44d798) at physio+0x257 sys/kern/kern_physio.c:139 spec_read(ffff80003c44d5f0) at spec_read+0x14b sys/kern/spec_vnops.c:215 VOP_READ(fffffd805fee8ca8,ffff80003c44d798,0,fffffd80097fb888) at VOP_READ+0x101 sys/kern/vfs_vops.c:227 vn_read(fffffd805f9e1878,ffff80003c44d798,1) at vn_read+0x17b sys/kern/vfs_vnops.c:369 dofilereadv(ffff80003c4094e0,4,ffff80003c44d798,1,ffff80003c44d850) at dofilereadv+0x25a sys/kern/sys_generic.c:252 sys_pread(ffff80003c4094e0,ffff80003c44d900,ffff80003c44d850) at sys_pread+0xae sys/kern/vfs_syscalls.c:3307 syscall(ffff80003c44d900) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c44d900) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2cc25e9e2e0, count: -13