panic: WAuvRmN_IfNaGu:l tSP_Lu nNwOiTr eL_OloWcEkRedED O:N aSdYSdCrAesLLs 7 3n o5t3 6i8n7 5m0a0p8 SEtXIopTp e0d 9 a t db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *145681 41200 0 0 0x4000000 0K syz-executor 237089 41200 0 0 0x4000000 1 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830c34ed) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806bdbdaa0,20060000,20070000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1694 uvm_fault_wire(fffffd806bdbdaa0,20060000,20071000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1657 [inline] uvm_fault_wire(fffffd806bdbdaa0,20060000,20071000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1639 uvm_vslock_device(ffff8000ffff36e8,20060040,10000,3,ffff80002f38c350) at uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:168 physio(ffffffff81af3200,d02,8000,ffffffff81af3a60,ffff80002f38c608) at physio+0x277 sys/kern/kern_physio.c:139 spec_read(ffff80002f38c470) at spec_read+0x155 sys/kern/spec_vnops.c:215 VOP_READ(fffffd806bbbf520,ffff80002f38c608,0,fffffd807f7d32d8) at VOP_READ+0x102 sys/kern/vfs_vops.c:227 vn_read(fffffd8060b02860,ffff80002f38c608,1) at vn_read+0x17b sys/kern/vfs_vnops.c:369 dofilereadv(ffff8000ffff36e8,3,ffff80002f38c608,1,ffff80002f38c6c0) at dofilereadv+0x230 sys/kern/sys_generic.c:252 sys_pread(ffff8000ffff36e8,ffff80002f38c770,ffff80002f38c6c0) at sys_pread+0xae sys/kern/vfs_syscalls.c:3293 syscall(ffff80002f38c770) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff80002f38c770) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x3e3de1e6d10, 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:437 panic(ffffffff830c34ed) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806bdbdaa0,20060000,20070000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1694 uvm_fault_wire(fffffd806bdbdaa0,20060000,20071000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1657 [inline] uvm_fault_wire(fffffd806bdbdaa0,20060000,20071000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1639 uvm_vslock_device(ffff8000ffff36e8,20060040,10000,3,ffff80002f38c350) at uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:168 physio(ffffffff81af3200,d02,8000,ffffffff81af3a60,ffff80002f38c608) at physio+0x277 sys/kern/kern_physio.c:139 spec_read(ffff80002f38c470) at spec_read+0x155 sys/kern/spec_vnops.c:215 VOP_READ(fffffd806bbbf520,ffff80002f38c608,0,fffffd807f7d32d8) at VOP_READ+0x102 sys/kern/vfs_vops.c:227 vn_read(fffffd8060b02860,ffff80002f38c608,1) at vn_read+0x17b sys/kern/vfs_vnops.c:369 dofilereadv(ffff8000ffff36e8,3,ffff80002f38c608,1,ffff80002f38c6c0) at dofilereadv+0x230 sys/kern/sys_generic.c:252 sys_pread(ffff8000ffff36e8,ffff80002f38c770,ffff80002f38c6c0) at sys_pread+0xae sys/kern/vfs_syscalls.c:3293 syscall(ffff80002f38c770) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff80002f38c770) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x3e3de1e6d10, count: -13 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80002f38c0a0 rbx 0xffffffff83422dbf cpu_info_full_primary+0x2dbf rdx 0 rcx 0xffff8000ffff36e8 rax 0xffffffff83421ff0 cpu_info_full_primary+0x1ff0 r8 0 r9 0x8080808080808080 r10 0x2abb734e5202a858 r11 0xcf9f404f31c4f968 r12 0xffffffff83422bc0 cpu_info_full_primary+0x2bc0 r13 0 r14 0 r15 0x1 rip 0xffffffff82eab345 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002f38c090 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=145681 pid=41200 tcnt=3 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=0xffff800034fa0f58,0xffff8000ffff2a50 process=0xffff8000371adfd8 user=0xffff80002f387000, vmspace=0xfffffd806bdbdaa0 estcpu=36, cpticks=2, pctcpu=0.0, user=0, sys=2, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 40718 92755 91855 0 2 0 syz-executor 12381 272006 3105 0 2 0 syz-executor 12381 456537 3105 0 3 0x4000080 fsleep syz-executor 12381 208820 3105 0 3 0x4000080 fsleep syz-executor 41200 384689 97573 0 2 0 syz-executor *41200 145681 97573 0 7 0x4000000 syz-executor 41200 237089 97573 0 7 0x4000000 syz-executor 87523 31925 31666 0 2 0x480 syz-executor 87523 450220 31666 0 3 0x4000080 ttyin syz-executor 87523 151296 31666 0 3 0x4000080 fsleep syz-executor 36150 324576 89496 0 3 0x80 nanoslp syz-executor 36150 180988 89496 0 3 0x4000080 kqsel syz-executor 36150 509375 89496 0 3 0x4000080 fsleep syz-executor 79354 384834 81884 0 3 0x80 nanoslp syz-executor 79354 85433 81884 0 3 0x4000080 wsevent_read syz-executor 79354 386531 81884 0 3 0x4000080 fsleep syz-executor 11718 150016 0 0 3 0x14200 bored sosplice 21326 108975 89975 0 3 0x100082 sbwait arp 89975 434424 9903 0 3 0x10008a sigsusp sh 97573 301224 31524 0 2 0x482 syz-executor 81884 48577 31524 0 2 0x482 syz-executor 3105 235724 31524 0 2 0x482 syz-executor 31666 213045 31524 0 2 0x482 syz-executor 89496 48039 31524 0 2 0x482 syz-executor 9903 344312 31524 0 3 0x82 wait syz-executor 51882 155224 31524 0 2 0x482 syz-executor 91855 249424 31524 0 3 0x82 nanoslp syz-executor 31524 34034 40925 0 3 0x82 kqread syz-executor 40925 274368 28424 0 3 0x10008a sigsusp ksh 28424 476035 65836 0 3 0x98 kqread sshd-session 65836 16661 21124 0 3 0x92 kqread sshd-session 46292 426045 1 0 3 0x100083 ttyin getty 21124 358342 1 0 3 0x88 kqread sshd 82170 254298 73935 74 3 0x1100092 bpf pflogd 73935 154285 1 0 3 0x80 sbwait pflogd 22864 57170 99925 73 3 0x1100090 kqread syslogd 99925 447124 1 0 3 0x100082 sbwait syslogd 96280 262218 1 0 3 0x100080 kqread resolvd 12424 16059 66261 77 3 0x100092 kqread dhcpleased 39545 482531 66261 77 3 0x100092 kqread dhcpleased 66261 455730 1 0 3 0x80 kqread dhcpleased 79792 214450 0 0 3 0x14200 bored smr 92833 302833 0 0 3 0x14200 pgzero zerothread 45357 363770 0 0 3 0x14200 aiodoned aiodoned 68712 117458 0 0 3 0x14200 syncer update 77778 523803 0 0 3 0x14200 cleaner cleaner 3880 468659 0 0 3 0x14200 reaper reaper 20423 249631 0 0 3 0x14200 pgdaemon pagedaemon 76911 136923 0 0 3 0x14200 bored viomb 13129 411800 0 0 3 0x40014200 acpi0 acpi0 37055 238923 0 0 3 0x40014200 idle1 48189 296988 0 0 3 0x14200 bored softnet3 59320 116381 0 0 3 0x14200 bored softnet2 97815 480533 0 0 3 0x14200 bored softnet1 70750 296221 0 0 3 0x14200 bored softnet0 2851 116400 0 0 3 0x14200 bored systqmp 21838 403983 0 0 3 0x14200 bored systq 80620 304634 0 0 2 0x14200 softclockmp 77605 357526 0 0 2 0x40014200 softclock 26954 101421 0 0 3 0x40014200 idle0 1 264557 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 1: exclusive mutex anonpl r = 0 (0xffffffff8363c858) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 mtx_enter_try+0x178 #2 mtx_enter+0x60 sys/kern/kern_lock.c:239 #3 pool_put+0x9f sys/kern/subr_pool.c:797 #4 amap_wiperange_chunk+0x1a8 sys/uvm/uvm_amap.c:983 #5 amap_pp_adjref+0x6f4 sys/uvm/uvm_amap.c:944 #6 amap_adjref_anons+0x22d sys/uvm/uvm_amap.c:1329 #7 uvm_unmap_detach+0x8a sys/uvm/uvm_map.c:1353 #8 sys_munmap+0x32f sys/uvm/uvm_mmap.c:539 #9 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #9 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #10 Xsyscall+0x128 Process 41200 (syz-executor) thread 0xffff8000ffff36e8 (145681) shared rwlock vmmaplk r = 0 (0xfffffd806bdbdb98) #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_wire+0x116 uvm_fault_unwire sys/uvm/uvm_fault.c:1656 [inline] #1 uvm_fault_wire+0x116 sys/uvm/uvm_fault.c:1639 #2 uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:168 #3 physio+0x277 sys/kern/kern_physio.c:139 #4 spec_read+0x155 sys/kern/spec_vnops.c:215 #5 VOP_READ+0x102 sys/kern/vfs_vops.c:227 #6 vn_read+0x17b sys/kern/vfs_vnops.c:369 #7 dofilereadv+0x230 sys/kern/sys_generic.c:252 #8 sys_pread+0xae sys/kern/vfs_syscalls.c:3293 #9 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #9 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #10 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff835780f8) #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+0x4b7 sys/kern/sched_bsd.c:441 #3 sleep_finish+0x2f2 sys/kern/kern_synch.c:425 #4 rw_enter+0x348 sys/kern/kern_rwlock.c:285 #5 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1819 #6 uvm_fault_check+0x49 sys/uvm/uvm_fault.c:672 #7 uvm_fault+0xf5 sys/uvm/uvm_fault.c:600 #8 uvm_fault_wire+0x73 sys/uvm/uvm_fault.c:1636 #9 uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:168 #10 physio+0x277 sys/kern/kern_physio.c:139 #11 spec_read+0x155 sys/kern/spec_vnops.c:215 #12 VOP_READ+0x102 sys/kern/vfs_vops.c:227 #13 vn_read+0x17b sys/kern/vfs_vnops.c:369 #14 dofilereadv+0x230 sys/kern/sys_generic.c:252 #15 sys_pread+0xae sys/kern/vfs_syscalls.c:3293 #16 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #16 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #17 Xsyscall+0x128 Process 41200 (syz-executor) thread 0xffff8000ffff2a40 (237089) exclusive rwlock amaplk r = 0 (0xfffffd806b2b3240) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 amap_unref+0x38 sys/uvm/uvm_amap.c:1360 #2 uvm_unmap_detach+0x8a sys/uvm/uvm_map.c:1353 #3 sys_munmap+0x32f sys/uvm/uvm_mmap.c:539 #4 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #4 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #5 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10217 11458K 11458K 166960K 11541 0 pcb 17 12K 12K 166960K 54 0 rtable 200 7K 7K 166960K 371 0 pf 39 18K 19K 166960K 53 0 ifaddr 41 6K 7K 166960K 47 0 ifgroup 59 2K 2K 166960K 61 0 sysctl 2 0K 0K 166960K 2 0 counters 66 36K 36K 166960K 68 0 ioctlops 0 0K 4K 166960K 1499 0 iov 1 12K 12K 166960K 7 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1458 92K 92K 166960K 1602 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 5 0 VM map 2 1K 1K 166960K 2 0 sem 7 0K 0K 166960K 44 0 dirhash 12 2K 2K 166960K 15 0 ACPI 1690 195K 286K 166960K 12468 0 file desc 19 69K 89K 166960K 306 0 sigio 0 0K 0K 166960K 5 0 proc 72 91K 140K 166960K 538 0 subproc 104 6K 6K 166960K 104 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 11 0 in_multi 85 6K 6K 166960K 98 0 ether_multi 1 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 67 307K 307K 166960K 67 0 exec 0 0K 1K 166960K 380 0 fusefs mount 1 32K 32K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 249 73K 87K 166960K 4458 0 UVM aobj 6 2K 2K 166960K 6 0 pinsyscall 45 90K 102K 166960K 1369 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 5 0 NDP 13 0K 1K 166960K 29 0 temp 42 6819K 6884K 166960K 10633 0 kqueue 15 24K 26K 166960K 53 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 120 112 0 108 3 0 3 3 0 8 2 rtentry 112 109 0 19 3 0 3 3 0 8 0 unpcb 144 116 0 99 2 0 2 2 0 8 1 syncache 336 3 0 3 2 1 1 1 0 8 1 tcpcb 808 51 0 45 1 0 1 1 0 8 0 arp 120 17 0 0 1 0 1 1 0 8 0 inpcb 336 210 0 200 3 0 3 3 0 8 1 nd6 136 25 0 3 1 0 1 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1168 1 0 1 1 0 1 1 0 8 1 pfstscr 40 3 0 0 1 0 1 1 0 8 0 pffrent 40 1 0 1 1 0 1 1 0 8 1 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 29 0 0 1 0 1 1 0 8 0 pfstkey 128 29 0 0 1 0 1 1 0 8 0 pfstate 376 27 0 0 3 0 3 3 0 8 0 pfrule 1344 23 0 16 2 0 2 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 470 0 78 27 0 27 27 0 8 1 art_table 32 471 0 78 4 0 4 4 0 8 0 art_node 16 108 0 26 1 0 1 1 0 8 0 sysvmsgpl 40 4 0 0 1 0 1 1 0 8 0 semupl 112 2 0 2 1 0 1 1 0 8 1 semapl 112 40 0 35 1 0 1 1 0 8 0 shmpl 112 3 0 0 1 0 1 1 0 8 0 dirhash 1024 19 0 2 3 0 3 3 0 8 0 dino2pl 256 1883 0 382 95 0 95 95 0 8 0 ffsino 272 1883 0 382 101 0 101 101 0 8 0 nchpl 144 2310 0 628 63 0 63 63 0 8 0 uvmvnodes 80 2158 0 0 45 0 45 45 0 8 0 vnodes 216 2158 0 0 120 0 120 120 0 8 0 namei 1024 7378 0 7378 1 0 1 1 0 8 1 percpumem 16 48 0 1 1 0 1 1 0 8 0 kstatmem 264 28 0 2 2 0 2 2 0 8 0 scsiplug 72 2 0 2 1 0 1 1 0 8 1 scxspl 216 6630 0 6630 3 2 1 2 1 8 1 plimitpl 152 53 0 34 1 0 1 1 0 8 0 sigapl 424 606 0 554 7 0 7 7 0 8 0 futexpl 64 2838 0 2833 1 0 1 1 0 8 0 knotepl 120 513 0 0 16 0 16 16 0 8 0 kqueuepl 216 76 0 64 1 0 1 1 0 8 0 pipepl 320 115 0 88 3 0 3 3 0 8 0 fdescpl 496 587 0 554 5 0 5 5 0 8 0 filepl 152 2778 0 2519 13 0 13 13 0 8 2 lockfpl 104 82 0 80 1 0 1 1 0 8 0 lockfspl 48 36 0 34 1 0 1 1 0 8 0 sessionpl 144 22 0 13 1 0 1 1 0 8 0 pgrppl 48 30 0 13 1 0 1 1 0 8 0 ucredpl 104 296 0 283 1 0 1 1 0 8 0 zombiepl 144 555 0 554 1 0 1 1 0 8 0 processpl 1160 606 0 554 5 0 5 5 0 8 0 procpl 648 902 0 840 6 0 6 6 0 8 0 sockpl 664 441 0 409 10 0 10 10 0 8 7 mcl64k 65536 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 1 0 0 1 0 1 1 0 8 0 mcl4k 4096 150 0 0 19 0 19 19 0 8 0 mcl2k 2048 29 0 0 4 0 4 4 0 8 0 mtagpl 96 2 0 0 1 0 1 1 0 8 0 mbufpl 256 323 0 0 21 0 21 21 0 8 0 bufpl 280 2484 0 99 171 0 171 171 0 8 0 anonpl 24 171050 0 167555 47 1 46 46 0 185 22 amapchunkpl 152 14798 0 14275 28 0 28 28 0 158 5 amappl16 200 4719 0 4698 16 6 10 14 0 8 8 amappl15 192 15 0 15 1 1 0 1 0 8 0 amappl14 184 127 0 114 1 0 1 1 0 8 0 amappl13 176 9 0 9 1 1 0 1 0 8 0 amappl12 168 1220 0 1187 3 1 2 2 0 8 0 amappl11 160 60 0 46 1 0 1 1 0 8 0 amappl10 152 14 0 14 1 1 0 1 0 8 0 amappl9 144 167 0 167 1 1 0 1 0 8 0 amappl8 136 24 0 22 1 0 1 1 0 8 0 amappl7 128 102 0 89 1 0 1 1 0 8 0 amappl6 120 161 0 159 1 0 1 1 0 8 0 amappl5 112 132 0 121 1 0 1 1 0 8 0 amappl4 104 318 0 300 1 0 1 1 0 8 0 amappl3 96 2671 0 2568 3 0 3 3 0 8 0 amappl2 88 850 0 763 2 0 2 2 0 8 0 amappl1 80 7903 0 7325 14 0 14 14 0 8 1 amappl 88 4068 0 3886 5 0 5 5 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 128 254 0 254 2 1 1 1 0 8 1 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 5 0 0 1 0 1 1 0 8 0 uaddrrnd 24 587 0 554 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 587 0 554 1 0 1 1 0 8 0 vmmpekpl 168 6130 0 6097 2 0 2 2 0 8 0 vmmpepl 168 44644 0 42733 94 0 94 94 0 357 10 vmsppl 448 586 0 554 6 1 5 5 0 8 0 rwobjpl 56 19133 0 16006 46 0 46 46 0 8 1 pdppl 4096 1181 0 1108 103 30 73 83 0 8 0 pvpl 32 14196 0 0 115 0 115 115 0 265 0 pmappl 248 586 0 554 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 393 0 34 11 0 11 11 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(ffffffff830c34ed) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806bdbdaa0,20060000,20070000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1694 uvm_fault_wire(fffffd806bdbdaa0,20060000,20071000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1657 [inline] uvm_fault_wire(fffffd806bdbdaa0,20060000,20071000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1639 uvm_vslock_device(ffff8000ffff36e8,20060040,10000,3,ffff80002f38c350) at uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:168 physio(ffffffff81af3200,d02,8000,ffffffff81af3a60,ffff80002f38c608) at physio+0x277 sys/kern/kern_physio.c:139 spec_read(ffff80002f38c470) at spec_read+0x155 sys/kern/spec_vnops.c:215 VOP_READ(fffffd806bbbf520,ffff80002f38c608,0,fffffd807f7d32d8) at VOP_READ+0x102 sys/kern/vfs_vops.c:227 vn_read(fffffd8060b02860,ffff80002f38c608,1) at vn_read+0x17b sys/kern/vfs_vnops.c:369 dofilereadv(ffff8000ffff36e8,3,ffff80002f38c608,1,ffff80002f38c6c0) at dofilereadv+0x230 sys/kern/sys_generic.c:252 sys_pread(ffff8000ffff36e8,ffff80002f38c770,ffff80002f38c6c0) at sys_pread+0xae sys/kern/vfs_syscalls.c:3293 syscall(ffff80002f38c770) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff80002f38c770) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x3e3de1e6d10, count: -13 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 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x68 savectx() at savectx+0xae end of kernel end trace frame: 0x3e36bda04f0, count: 10 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 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x68 savectx() at savectx+0xae end of kernel end trace frame: 0x3e36bda04f0, count: -5