panic: uvm_fault_unwire_loWcARkeNdI:NG :a ddSPrLe ss NOTn LOoWtE RiEnD mOaNp SYStoSpCpAeLdL a7t3 57344 EXIT 0 a db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *199577 53815 0 0 0x4000000 0K syz-executor 403329 53815 0 0 0x4000000 1 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833d52ea) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806eec9008,2000001b0000,2000001b9000) at uvm_fault_unwire_locked+0x4ee uvm_fault_wire(fffffd806eec9008,2000001b0000,2000001c1000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1744 [inline] uvm_fault_wire(fffffd806eec9008,2000001b0000,2000001c1000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1726 uvm_vslock_device(ffff800030fdf4e8,2000001b0040,10000,3,ffff80003c018f48) at uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:169 physio(ffffffff8182a580,d02,8000,ffffffff8182add0,ffff80003c019228) at physio+0x257 sys/kern/kern_physio.c:139 spec_read(ffff80003c019080) at spec_read+0x14b sys/kern/spec_vnops.c:215 VOP_READ(fffffd8077f865e8,ffff80003c019228,0,fffffd80097fb340) at VOP_READ+0x101 sys/kern/vfs_vops.c:227 vn_read(fffffd805dcc9c88,ffff80003c019228,1) at vn_read+0x17b sys/kern/vfs_vnops.c:369 dofilereadv(ffff800030fdf4e8,3,ffff80003c019228,1,ffff80003c0192e0) at dofilereadv+0x25a sys/kern/sys_generic.c:252 sys_pread(ffff800030fdf4e8,ffff80003c019390,ffff80003c0192e0) at sys_pread+0xae sys/kern/vfs_syscalls.c:3307 syscall(ffff80003c019390) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c019390) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xf9cfa387c30, 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(ffffffff833d52ea) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806eec9008,2000001b0000,2000001b9000) at uvm_fault_unwire_locked+0x4ee uvm_fault_wire(fffffd806eec9008,2000001b0000,2000001c1000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1744 [inline] uvm_fault_wire(fffffd806eec9008,2000001b0000,2000001c1000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1726 uvm_vslock_device(ffff800030fdf4e8,2000001b0040,10000,3,ffff80003c018f48) at uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:169 physio(ffffffff8182a580,d02,8000,ffffffff8182add0,ffff80003c019228) at physio+0x257 sys/kern/kern_physio.c:139 spec_read(ffff80003c019080) at spec_read+0x14b sys/kern/spec_vnops.c:215 VOP_READ(fffffd8077f865e8,ffff80003c019228,0,fffffd80097fb340) at VOP_READ+0x101 sys/kern/vfs_vops.c:227 vn_read(fffffd805dcc9c88,ffff80003c019228,1) at vn_read+0x17b sys/kern/vfs_vnops.c:369 dofilereadv(ffff800030fdf4e8,3,ffff80003c019228,1,ffff80003c0192e0) at dofilereadv+0x25a sys/kern/sys_generic.c:252 sys_pread(ffff800030fdf4e8,ffff80003c019390,ffff80003c0192e0) at sys_pread+0xae sys/kern/vfs_syscalls.c:3307 syscall(ffff80003c019390) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c019390) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xf9cfa387c30, count: -13 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80003c018c90 rbx 0xffffffff8382bddf cpu_info_full_primary+0x2ddf rdx 0xffff800001453a40 rcx 0xffff800030fdf4e8 rax 0xffffffff8382aff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x930ca370dc330e01 r11 0xb51e0e1479109a7b r12 0xffffffff8382bbe0 cpu_info_full_primary+0x2be0 r13 0 r14 0 r15 0x1 rip 0xffffffff81c7b125 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c018c80 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=199577 pid=53815 tcnt=3 stat=onproc flags process=0 proc=4000000 runpri=36, usrpri=86, slppri=36, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff800030fdfa18,0xffff800030fdefc8 process=0xffff8000ffff0010 user=0xffff80003c014000, vmspace=0xfffffd806eec9008 estcpu=36, cpticks=4, pctcpu=0.0, user=0, sys=4, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 70967 121837 22409 0 2 0 syz-executor 70967 303210 22409 0 3 0x4000080 fsleep syz-executor 70967 102340 22409 0 3 0x4000080 fsleep syz-executor 17651 240058 71146 0 2 0 syz-executor 17651 414860 71146 0 3 0x4000080 lockf syz-executor 17651 220061 71146 0 2 0x4000000 syz-executor 53815 447234 11804 0 2 0 syz-executor *53815 199577 11804 0 7 0x4000000 syz-executor 53815 403329 11804 0 7 0x4000000 syz-executor 97711 156338 95622 -1 2 0x10 syz-executor 97711 252437 95622 -1 3 0x4000090 fsleep syz-executor 21064 74843 32588 0 2 0xc80 syz-executor 21064 289957 32588 0 3 0x4000080 ttyretype syz-executor 21064 71294 32588 0 3 0x4000080 fsleep syz-executor 95398 338143 25893 0 2 0xc80 syz-executor 95398 260357 25893 0 3 0x4000080 kqsel syz-executor 95398 393135 25893 0 3 0x4000080 fsleep syz-executor 95398 368649 25893 0 3 0x4000080 fsleep syz-executor 32588 71344 93422 0 2 0xc82 syz-executor 71146 401219 93422 0 3 0x82 nanoslp syz-executor 13790 62758 0 0 3 0x14280 nfsidl nfsio 62297 146863 1 0 3 0x100083 ttyopn getty 15506 139571 24622 0 3 0x82 sbwait sshd-session 36734 13041 0 0 3 0x14200 bored sosplice 25893 278403 93422 0 3 0x82 nanoslp syz-executor 11804 437838 93422 0 2 0xc82 syz-executor 22409 366436 93422 0 3 0x82 nanoslp syz-executor 95622 316729 93422 0 3 0x82 nanoslp syz-executor 16982 23954 93422 0 3 0x82 piperd syz-executor 93422 119952 16584 0 3 0x82 wait syz-executor 16584 378309 46426 0 3 0x10008a sigsusp ksh 46426 308297 78028 0 3 0x98 kqread sshd-session 78028 136352 24622 0 3 0x92 kqread sshd-session 24622 376379 1 0 3 0x88 kqread sshd 79396 14754 9061 74 3 0x1100092 bpf pflogd 9061 26296 1 0 3 0x80 sbwait pflogd 33668 145270 28122 73 3 0x1100090 kqread syslogd 28122 48346 1 0 3 0x100082 sbwait syslogd 44079 286726 1 0 3 0x100080 kqread resolvd 96367 250963 0 0 3 0x14200 bored smr 80771 250731 0 0 2 0x14200 zerothread 9477 339068 0 0 3 0x14200 aiodoned aiodoned 37250 36114 0 0 3 0x14200 syncer update 26487 63656 0 0 3 0x14200 cleaner cleaner 27573 53746 0 0 3 0x14200 reaper reaper 31285 174965 0 0 3 0x14200 pgdaemon pagedaemon 64079 72624 0 0 3 0x14200 bored viomb 1405 406789 0 0 3 0x40014200 acpi0 acpi0 19161 442059 0 0 3 0x40014200 idle1 80295 179990 0 0 3 0x14200 bored softnet1 59558 52280 0 0 3 0x14200 bored softnet0 16812 97864 0 0 3 0x14200 smrbar systqmp 19302 464110 0 0 3 0x14200 bored systq 95722 367804 0 0 3 0x14200 tmoslp softclockmp 11200 32930 0 0 3 0x40014200 tmoslp softclock 97624 59513 0 0 3 0x40014200 idle0 1 69357 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{0}> show all locks CPU 1: exclusive mutex &uvm.fpageqlock r = 0 (0xffffffff838d99b0) #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_try+0x1ad sys/kern/kern_lock.c:311 #2 mtx_enter+0x62 sys/kern/kern_lock.c:261 #3 uvm_pmr_freepages+0x1a8 sys/uvm/uvm_pmemrange.c:-1 #4 uvm_anfree_list+0x1e5 sys/uvm/uvm_anon.c:129 #5 amap_wiperange_chunk+0x1a8 sys/uvm/uvm_amap.c:-1 #6 amap_pp_adjref+0x6d0 sys/uvm/uvm_amap.c:-1 #7 amap_adjref_anons+0x22d sys/uvm/uvm_amap.c:1300 #8 uvm_unmap_detach+0x8a sys/uvm/uvm_map.c:1353 #9 sys_munmap+0x329 sys/uvm/uvm_mmap.c:544 #10 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 #11 Xsyscall+0x128 Process 53815 (syz-executor) thread 0xffff800030fdf4e8 (199577) shared rwlock vmmaplk r = 0 (0xfffffd806eec9108) #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:748 #11 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83922f38) #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:748 #16 Xsyscall+0x128 Process 53815 (syz-executor) thread 0xffff800030fde028 (403329) exclusive rwlock amaplk r = 0 (0xfffffd800eb64af8) #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_write+0x419 sys/kern/kern_rwlock.c:320 #2 amap_unref+0x3d sys/uvm/uvm_amap.c:1331 #3 uvm_unmap_detach+0x8a sys/uvm/uvm_map.c:1353 #4 sys_munmap+0x329 sys/uvm/uvm_mmap.c:544 #5 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #5 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 #6 Xsyscall+0x128 Process 16812 (systqmp) thread 0xffff8000ffffea60 (97864) shared rwlock systqmp r = 0 (0xffffffff837eb4a8) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 taskq_thread+0x12a sys/kern/kern_task.c:442 #2 proc_trampoline+0x10 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10213 11035K 12340K 166960K 13153 0 pcb 17 16K 18K 166960K 563 0 rtable 184 14K 14K 166960K 1532 0 pf 38 18K 67486K 166960K 354 0 ifaddr 30 5K 8K 166960K 206 0 ifgroup 59 2K 3K 166960K 328 0 sysctl 4 1K 9K 166960K 86 0 counters 70 37K 38K 166960K 350 0 ioctlops 0 0K 4K 166960K 2118 0 iov 0 0K 24K 166960K 299 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1450 91K 92K 166960K 3227 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 3 5K 9K 166960K 45 0 VM map 2 1K 1K 166960K 2 0 sem 24 10K 11K 166960K 120 0 dirhash 12 2K 2K 166960K 69 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 16 57K 240K 166960K 2568 0 sigio 0 0K 0K 166960K 108 0 proc 67 83K 180K 166960K 1244 0 subproc 72 4K 4K 166960K 227 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 296 0 in_multi 37 2K 7K 166960K 375 0 ether_multi 1 0K 0K 166960K 26 0 mrt 2 0K 0K 166960K 26 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 121 546K 546K 166960K 121 0 exec 0 0K 1K 166960K 1234 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 5 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 233 154K 195K 166960K 24254 0 UVM aobj 117 7K 7K 166960K 120 0 pinsyscall 37 74K 100K 166960K 4188 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 146 0 NDP 15 0K 2K 166960K 152 0 temp 76 8656K 8785K 166960K 131093 0 kqueue 8 14K 30K 166960K 478 0 SYN cache 2 8K 16K 166960K 3 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 120 257 0 256 2 1 1 2 0 8 0 rtentry 176 556 0 500 6 0 6 6 0 8 0 unpcb 144 1520 0 1507 8 7 1 6 0 8 0 syncache 336 19 0 19 4 4 0 1 0 8 0 tcpqe 32 7 0 7 2 2 0 1 0 8 0 tcpcb 736 841 0 830 15 5 10 10 0 8 8 arp 136 127 0 112 1 0 1 1 0 8 0 inpcb 328 2924 0 2910 30 20 10 10 0 8 8 nd6 152 86 0 76 2 0 2 2 0 8 0 pkpcb 40 91 0 91 4 4 0 1 0 8 0 kcovpl 48 25 0 17 1 0 1 1 0 8 0 mppekey 1024 1 0 1 1 1 0 1 0 8 0 ppxss 1192 101 0 101 1 0 1 1 0 8 1 pppxif 1504 10 0 10 4 3 1 1 0 8 1 pfstscr 40 4 0 3 1 0 1 1 0 8 0 pffrag 232 16 0 10 1 0 1 1 0 482 0 pffrnode 88 14 0 8 1 0 1 1 0 8 0 pffrent 40 33 0 27 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 4 0 4 3 3 0 1 0 8 0 pfanchor 1288 5 0 1 1 0 1 1 0 8 0 pftag 88 2 0 2 1 1 0 1 0 8 0 pfstitem 24 170 0 81 1 0 1 1 0 8 0 pfstkey 128 175 0 86 4 0 4 4 0 8 0 pfstate 384 171 0 84 11 0 11 11 0 8 0 pfrule 1344 26 0 21 2 1 1 2 0 8 0 rttmr 136 6 0 6 3 3 0 1 0 8 0 art_heap8 4096 5 0 0 5 0 5 5 0 8 0 art_heap4 256 1906 0 1685 40 21 19 38 0 8 0 art_table 40 1911 0 1685 7 2 5 7 0 8 0 art_node 32 556 0 500 3 2 1 3 0 8 0 sysvmsgpl 40 48 0 41 1 0 1 1 0 8 0 semupl 112 7 0 7 3 3 0 1 0 8 0 semapl 112 112 0 90 1 0 1 1 0 8 0 shmpl 112 117 0 3 4 0 4 4 0 8 0 dirhash 1024 55 0 38 3 0 3 3 0 8 0 dino2pl 256 5927 0 4384 97 0 97 97 0 8 0 ffsino 296 5927 0 4384 119 0 119 119 0 8 0 nchpl 144 9131 0 7362 66 0 66 66 0 8 0 rtmask 32 30 0 30 3 2 1 1 0 8 1 vnodes 216 5926 0 0 330 0 330 330 0 8 0 namei 1024 33270 0 33270 2 1 1 2 0 8 1 percpumem 16 190 0 140 1 0 1 1 0 8 0 kstatmem 264 208 0 176 4 1 3 3 0 8 0 acpiwqpl 32 1 0 1 1 0 1 1 1 8 1 scsiplug 72 5 0 5 3 3 0 1 0 8 0 scxspl 216 57879 0 57879 10 9 1 8 1 8 1 plimitpl 152 499 0 481 1 0 1 1 0 8 0 sigapl 424 2834 0 2788 7 1 6 7 0 8 0 knotepl 120 949 0 0 29 0 29 29 0 8 0 kqueuepl 224 1134 0 1126 14 13 1 7 0 8 0 pipepl 344 636 0 609 15 12 3 9 0 8 0 fdescpl 528 2811 0 2783 3 0 3 3 0 8 0 filepl 160 18026 0 17811 38 24 14 20 0 8 2 lockfpl 104 903 0 899 1 0 1 1 0 8 0 lockfspl 48 296 0 293 1 0 1 1 0 8 0 sessionpl 144 57 0 48 1 0 1 1 0 8 0 pgrppl 48 118 0 101 1 0 1 1 0 8 0 ucredpl 104 2524 0 2513 1 0 1 1 0 8 0 zombiepl 144 2789 0 2788 1 0 1 1 0 8 0 processpl 1232 2834 0 2788 5 1 4 5 0 8 0 procpl 664 6653 0 6595 6 0 6 6 0 8 0 sosppl 168 26 0 26 3 3 0 1 0 8 0 sockpl 752 4855 0 4827 46 34 12 18 0 8 8 mcl64k 65536 18 0 0 3 0 3 3 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 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 9 0 0 2 0 2 2 0 8 0 mcl4k 4096 132 0 0 17 0 17 17 0 8 0 mcl2k2 2112 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 59 0 0 8 0 8 8 0 8 0 mtagpl 96 19 0 0 1 0 1 1 0 8 0 mbufpl 256 1198 0 0 73 0 73 73 0 8 0 bufpl 280 24320 0 18182 439 0 439 439 0 8 0 anonpl 32 10334 0 0 84 0 84 84 0 246 0 amapchunkpl 152 83077 0 82556 50 20 30 34 0 158 8 amappl16 200 8376 0 8327 47 32 15 17 0 8 7 amappl15 192 8 0 8 1 1 0 1 0 8 0 amappl14 184 7 0 7 2 2 0 1 0 8 0 amappl13 176 626 0 625 1 0 1 1 0 8 0 amappl12 168 3320 0 3282 3 0 3 3 0 8 0 amappl11 160 65 0 65 1 1 0 1 0 8 0 amappl10 152 50 0 42 1 0 1 1 0 8 0 amappl9 144 256 0 256 1 1 0 1 0 8 0 amappl8 136 30 0 27 1 0 1 1 0 8 0 amappl7 128 149 0 148 1 0 1 1 0 8 0 amappl6 120 509 0 497 1 0 1 1 0 8 0 amappl5 112 95 0 85 1 0 1 1 0 8 0 amappl4 104 594 0 564 1 0 1 1 0 8 0 amappl3 96 14487 0 14401 4 1 3 3 0 8 0 amappl2 88 2989 0 2921 2 0 2 2 0 8 0 amappl1 80 24225 0 23643 16 1 15 15 0 8 0 amappl 88 22712 0 22548 5 0 5 5 0 92 0 uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0 dma32768 32768 1 0 1 1 1 0 1 0 8 0 dma4096 4096 2 0 2 2 2 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 128 256 0 256 3 3 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 72 119 0 3 3 0 3 3 0 8 0 uaddrrnd 24 2811 0 2783 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2811 0 2783 1 0 1 1 0 8 0 vmmpekpl 168 24953 0 24904 3 0 3 3 0 8 0 vmmpepl 168 187005 0 185196 116 26 90 99 0 357 1 vmsppl 488 2810 0 2783 5 1 4 5 0 8 0 rwobjpl 80 56034 0 49073 149 3 146 148 0 8 2 pdppl 4096 5629 0 5566 149 80 69 83 0 8 6 pvpl 32 18408 0 0 148 0 148 148 0 265 0 pmappl 256 2810 0 2783 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 428 0 116 10 0 10 10 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(ffffffff833d52ea) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806eec9008,2000001b0000,2000001b9000) at uvm_fault_unwire_locked+0x4ee uvm_fault_wire(fffffd806eec9008,2000001b0000,2000001c1000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1744 [inline] uvm_fault_wire(fffffd806eec9008,2000001b0000,2000001c1000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1726 uvm_vslock_device(ffff800030fdf4e8,2000001b0040,10000,3,ffff80003c018f48) at uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:169 physio(ffffffff8182a580,d02,8000,ffffffff8182add0,ffff80003c019228) at physio+0x257 sys/kern/kern_physio.c:139 spec_read(ffff80003c019080) at spec_read+0x14b sys/kern/spec_vnops.c:215 VOP_READ(fffffd8077f865e8,ffff80003c019228,0,fffffd80097fb340) at VOP_READ+0x101 sys/kern/vfs_vops.c:227 vn_read(fffffd805dcc9c88,ffff80003c019228,1) at vn_read+0x17b sys/kern/vfs_vnops.c:369 dofilereadv(ffff800030fdf4e8,3,ffff80003c019228,1,ffff80003c0192e0) at dofilereadv+0x25a sys/kern/sys_generic.c:252 sys_pread(ffff800030fdf4e8,ffff80003c019390,ffff80003c0192e0) at sys_pread+0xae sys/kern/vfs_syscalls.c:3307 syscall(ffff80003c019390) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c019390) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xf9cfa387c30, count: -13 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff8000299edff0) 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 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x68 savectx() at savectx+0xae end of kernel end trace frame: 0xf9dae2ed270, count: 10 ddb{1}> trace x86_ipi_db(ffff8000299edff0) 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 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x68 savectx() at savectx+0xae end of kernel end trace frame: 0xf9dae2ed270, count: -5