panic: uvm_fault_unwireWA_lRoNcINkGe:d : SPLad NdrOTe sLsO notWE RiEnD ONm aSpYSC AStLL 7a3r t4i8n7g4 2s4t aEcXITk 0 tar acStopped at savectx+0xae: movl $0,%gs:0x680 TID PID UID PRFLAGS PFLAGS CPU COMMAND 34683 29731 60928 0x10 0x4000000 1K syz-executor *107954 29731 60928 0x10 0x4000000 0 syz-executor savectx() at savectx+0xae end of kernel end trace frame: 0x2313383f00, count: 14 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 *cpu1: uvm_fault_unwire_locked: address not in map ddb{0}> trace savectx() at savectx+0xae end of kernel end trace frame: 0x2313383f00, count: -1 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff800031be8d90 rbx 0 rdx 0xffff80000147fb00 rcx 0xffff80003c4aa7e8 rax 0x37 r8 0xffff800031be8cc0 r9 0 r10 0xc845cb2bc25ca722 r11 0x5ea92ca23892592 r12 0 r13 0 r14 0xffff80003c4aa7e8 r15 0 rip 0xffffffff830a43ee savectx+0xae cs 0x8 rflags 0x46 rsp 0xffff800031be8d10 ss 0 savectx+0xae: movl $0,%gs:0x680 ddb{0}> show proc PROC (syz-executor) tid=107954 pid=29731 tcnt=4 stat=onproc flags process=10 proc=4000000 runpri=32, usrpri=84, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003c4ab228,0xffff80003c4abc78 process=0xffff8000fffeef48 user=0xffff800031be3000, vmspace=0xfffffd806bed61f8 estcpu=34, cpticks=2, pctcpu=0.0, user=0, sys=2, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 29731 101143 18125 60928 2 0x10 syz-executor 29731 34683 18125 60928 7 0x4000010 syz-executor *29731 107954 18125 60928 7 0x4000010 syz-executor 29731 390699 18125 60928 3 0x4000090 fsleep syz-executor 82910 260347 0 0 3 0x14200 acct acct 40729 288899 0 0 3 0x14280 nfsidl nfsio 57316 59615 0 0 3 0x14280 nfsidl nfsio 87378 484644 0 0 3 0x14280 nfsidl nfsio 83837 517446 0 0 3 0x14280 nfsidl nfsio 63244 392879 0 0 3 0x14280 nfsidl nfsio 2540 319912 0 0 3 0x14280 nfsidl nfsio 47005 486273 0 0 3 0x14280 nfsidl nfsio 92835 242884 0 0 3 0x14280 nfsidl nfsio 33680 302664 0 0 3 0x14280 nfsidl nfsio 81253 297620 0 0 3 0x14280 nfsidl nfsio 1371 388645 0 0 3 0x14280 nfsidl nfsio 85624 169244 0 0 3 0x14280 nfsidl nfsio 29397 179877 0 0 3 0x14280 nfsidl nfsio 7889 39504 0 0 3 0x14280 nfsidl nfsio 14354 488401 0 0 3 0x14280 nfsidl nfsio 70105 113418 0 0 3 0x14280 nfsidl nfsio 36783 145263 0 0 3 0x14280 nfsidl nfsio 64345 29534 0 0 3 0x14280 nfsidl nfsio 67550 354269 0 0 3 0x14280 nfsidl nfsio 67956 32746 0 0 3 0x14280 nfsidl nfsio 72180 19692 0 0 3 0x14200 bored sosplice 49124 247840 1 0 3 0x100083 ttyin getty 35606 246047 54470 0 3 0x100082 sbwait arp 54470 433226 580 0 3 0x10008a sigsusp sh 18125 100990 51463 0 3 0x82 nanoslp syz-executor 64550 42078 51463 0 3 0x82 piperd syz-executor 34760 459021 51463 0 3 0x82 piperd syz-executor 17686 137380 51463 0 3 0x82 piperd syz-executor 580 521257 51463 0 3 0x82 wait syz-executor 62401 479037 51463 0 3 0x82 piperd syz-executor 16534 510246 51463 0 3 0x82 nanoslp syz-executor 51463 192226 10063 0 3 0x82 nanoslp syz-executor 10063 317323 31961 0 3 0x10008a sigsusp ksh 31961 177938 86337 0 3 0x98 kqread sshd-session 86337 519705 17824 0 3 0x92 kqread sshd-session 17824 21627 1 0 3 0x88 kqread sshd 69039 155950 71564 74 3 0x1100092 bpf pflogd 71564 341838 1 0 3 0x80 sbwait pflogd 38053 452194 96288 73 3 0x1100090 kqread syslogd 96288 407429 1 0 3 0x100082 sbwait syslogd 58217 459938 1 0 3 0x100080 kqread resolvd 97412 82162 80793 77 3 0x100092 kqread dhcpleased 63724 109912 80793 77 3 0x100092 kqread dhcpleased 80793 340894 1 0 3 0x80 kqread dhcpleased 60784 190797 0 0 3 0x14200 bored smr 72189 37630 0 0 3 0x14200 pgzero zerothread 37285 395451 0 0 3 0x14200 aiodoned aiodoned 43012 420852 0 0 3 0x14200 syncer update 5826 220535 0 0 3 0x14200 cleaner cleaner 33403 153862 0 0 3 0x14200 reaper reaper 50140 267438 0 0 3 0x14200 pgdaemon pagedaemon 5572 391996 0 0 3 0x14200 bored viomb 59177 118036 0 0 3 0x40014200 acpi0 acpi0 58835 29831 0 0 3 0x40014200 idle1 75895 238327 0 0 3 0x14200 bored softnet3 98857 344258 0 0 3 0x14200 bored softnet2 2578 234517 0 0 3 0x14200 bored softnet1 6052 231616 0 0 3 0x14200 bored softnet0 61868 96604 0 0 3 0x14200 bored systqmp 95154 269455 0 0 3 0x14200 bored systq 59488 404199 0 0 3 0x14200 tmoslp softclockmp 36556 90066 0 0 3 0x40014200 tmoslp softclock 27768 173793 0 0 3 0x40014200 idle0 1 4213 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex &uvm.fpageqlock r = 0 (0xffffffff838f7780) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 mtx_enter_try+0x178 sys/kern/kern_lock.c:-1 #2 mtx_enter+0x60 sys/kern/kern_lock.c:239 #3 uvm_pmr_freepages+0x1a8 sys/uvm/uvm_pmemrange.c:1323 #4 uvm_anfree_list+0x1e3 sys/uvm/uvm_anon.c:120 #5 amap_wiperange_chunk+0x1a8 sys/uvm/uvm_amap.c:983 #6 amap_pp_adjref+0x6f4 sys/uvm/uvm_amap.c:944 #7 amap_adjref_anons+0x22d sys/uvm/uvm_amap.c:1329 #8 uvm_unmap_detach+0x8a sys/uvm/uvm_map.c:1353 #9 sys_munmap+0x32f sys/uvm/uvm_mmap.c:544 #10 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579 #11 Xsyscall+0x128 Process 29731 (syz-executor) thread 0xffff80003c4ab228 (34683) shared rwlock vmmaplk r = 0 (0xfffffd806bed62f8) #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:1765 [inline] #2 uvm_fault_wire+0x116 sys/uvm/uvm_fault.c:1748 #3 uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:169 #4 physio+0x277 sys/kern/kern_physio.c:139 #5 spec_read+0x155 sys/kern/spec_vnops.c:215 #6 VOP_READ+0x102 sys/kern/vfs_vops.c:227 #7 vn_read+0x17b sys/kern/vfs_vnops.c:369 #8 dofilereadv+0x230 sys/kern/sys_generic.c:252 #9 sys_pread+0xae sys/kern/vfs_syscalls.c:3303 #10 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579 #11 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83961eb8) #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_write+0x1de sys/kern/kern_rwlock.c:292 #5 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5250 #6 uvmfault_lookup+0xe8 sys/uvm/uvm_fault.c:1918 #7 uvm_fault_check+0x8a5 uvmfault_amapcopy sys/uvm/uvm_fault.c:235 [inline] #7 uvm_fault_check+0x8a5 sys/uvm/uvm_fault.c:784 #8 uvm_fault+0x106 sys/uvm/uvm_fault.c:677 #9 uvm_fault_wire+0x73 sys/uvm/uvm_fault.c:1745 #10 uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:169 #11 physio+0x277 sys/kern/kern_physio.c:139 #12 spec_read+0x155 sys/kern/spec_vnops.c:215 #13 VOP_READ+0x102 sys/kern/vfs_vops.c:227 #14 vn_read+0x17b sys/kern/vfs_vnops.c:369 #15 dofilereadv+0x230 sys/kern/sys_generic.c:252 #16 sys_pread+0xae sys/kern/vfs_syscalls.c:3303 #17 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #17 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579 #18 Xsyscall+0x128 Process 29731 (syz-executor) thread 0xffff80003c4aa7e8 (107954) exclusive rwlock amaplk r = 0 (0xfffffd8066c19538) #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_write+0x3ea sys/kern/kern_rwlock.c:316 #2 amap_unref+0x3d sys/uvm/uvm_amap.c:1360 #3 uvm_unmap_detach+0x8a sys/uvm/uvm_map.c:1353 #4 sys_munmap+0x32f sys/uvm/uvm_mmap.c:544 #5 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #5 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579 #6 Xsyscall+0x128 exclusive mutex &uvm.fpageqlock r = 0 (0xffffffff838f7780) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 mtx_enter_try+0x178 sys/kern/kern_lock.c:-1 #2 mtx_enter+0x60 sys/kern/kern_lock.c:239 #3 uvm_pmr_freepages+0x1a8 sys/uvm/uvm_pmemrange.c:1323 #4 uvm_anfree_list+0x1e3 sys/uvm/uvm_anon.c:120 #5 amap_wiperange_chunk+0x1a8 sys/uvm/uvm_amap.c:983 #6 amap_pp_adjref+0x6f4 sys/uvm/uvm_amap.c:944 #7 amap_adjref_anons+0x22d sys/uvm/uvm_amap.c:1329 #8 uvm_unmap_detach+0x8a sys/uvm/uvm_map.c:1353 #9 sys_munmap+0x32f sys/uvm/uvm_mmap.c:544 #10 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579 #11 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10226 11099K 11366K 166960K 12174 0 pcb 17 13K 14K 166960K 149 0 rtable 170 5K 7K 166960K 430 0 pf 30 16K 21K 166960K 72 0 ifaddr 32 5K 7K 166960K 59 0 ifgroup 47 2K 2K 166960K 83 0 sysctl 1 1K 9K 166960K 10 0 counters 62 36K 37K 166960K 92 0 ioctlops 0 0K 4K 166960K 1626 0 iov 0 0K 16K 166960K 33 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1395 88K 88K 166960K 2006 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 11 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 22 0 dirhash 12 2K 2K 166960K 27 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 13 45K 240K 166960K 740 0 sigio 0 0K 0K 166960K 114 0 proc 72 91K 140K 166960K 582 0 subproc 63 3K 4K 166960K 253 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 94 0 in_multi 64 4K 7K 166960K 123 0 ether_multi 1 0K 0K 166960K 11 0 mrt 2 0K 0K 166960K 5 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 229 1023K 1023K 166960K 229 0 exec 0 0K 1K 166960K 733 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 216 176K 184K 166960K 8096 0 UVM aobj 117 3K 3K 166960K 117 0 pinsyscall 39 78K 108K 166960K 1835 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 40 0 NDP 10 0K 1K 166960K 36 0 temp 67 8669K 8737K 166960K 25558 0 kqueue 13 20K 26K 166960K 111 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 120 145 0 141 3 2 1 3 0 8 0 rtentry 176 119 0 45 5 0 5 5 0 8 0 unpcb 144 413 0 396 7 3 4 4 0 8 3 syncache 336 8 0 8 3 3 0 1 0 8 0 tcpqe 32 3 0 3 2 2 0 1 0 8 0 tcpcb 808 155 0 149 1 0 1 1 0 8 0 arp 128 20 0 5 1 0 1 1 0 8 0 inpcb 384 571 0 562 7 5 2 5 0 8 0 nd6 144 24 0 7 1 0 1 1 0 8 0 pkpcb 40 5 0 5 2 2 0 1 0 8 0 kcovpl 48 28 0 21 1 0 1 1 0 8 0 ppxss 1192 10 0 10 2 2 0 1 0 8 0 pppxif 1504 3 0 3 2 2 0 1 0 8 0 pffrag 232 4 0 1 1 0 1 1 0 482 0 pffrnode 88 4 0 1 1 0 1 1 0 8 0 pffrent 40 6 0 3 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 1 1 1 0 1 0 8 0 pfanchor 1288 1 0 0 1 0 1 1 0 8 0 pfstitem 24 56 0 25 1 0 1 1 0 8 0 pfstkey 128 56 0 25 2 0 2 2 0 8 0 pfstate 384 56 0 25 5 0 5 5 0 8 0 pfrule 1344 22 0 17 2 1 1 2 0 8 0 rttmr 136 1 0 1 1 0 1 1 0 8 1 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 504 0 206 27 2 25 27 0 8 2 art_table 32 506 0 206 4 0 4 4 0 8 0 art_node 16 117 0 53 1 0 1 1 0 8 0 sysvmsgpl 40 13 0 4 1 0 1 1 0 8 0 semupl 112 2 0 2 2 2 0 1 0 8 0 semapl 112 20 0 10 1 0 1 1 0 8 0 shmpl 112 114 0 0 4 0 4 4 0 8 0 dirhash 1024 28 0 11 3 0 3 3 0 8 0 dino2pl 256 2588 0 1066 96 0 96 96 0 8 0 ffsino 288 2588 0 1066 109 0 109 109 0 8 0 nchpl 144 3565 0 1864 64 0 64 64 0 8 0 uvmvnodes 80 3149 0 0 65 0 65 65 0 8 0 vnodes 216 3149 0 0 175 0 175 175 0 8 0 namei 1024 14119 0 14119 1 0 1 1 0 8 1 percpumem 16 61 0 15 1 0 1 1 0 8 0 kstatmem 264 46 0 24 3 1 2 3 0 8 0 scsiplug 72 2 0 2 1 1 0 1 0 8 0 scxspl 216 13421 0 13421 11 10 1 8 1 8 1 plimitpl 152 318 0 301 1 0 1 1 0 8 0 sigapl 424 1016 0 949 9 0 9 9 0 8 0 knotepl 120 561 0 0 17 0 17 17 0 8 0 kqueuepl 224 188 0 179 2 1 1 2 0 8 0 pipepl 336 241 0 214 5 2 3 5 0 8 0 fdescpl 520 976 0 949 3 0 3 3 0 8 0 filepl 160 5849 0 5646 19 7 12 16 0 8 2 lockfpl 104 301 0 299 2 1 1 2 0 8 0 lockfspl 48 143 0 141 1 0 1 1 0 8 0 sessionpl 144 48 0 39 1 0 1 1 0 8 0 pgrppl 48 85 0 69 1 0 1 1 0 8 0 ucredpl 104 779 0 765 1 0 1 1 0 8 0 zombiepl 144 950 0 949 1 0 1 1 0 8 0 processpl 1208 1016 0 949 6 0 6 6 0 8 0 procpl 656 1945 0 1875 8 0 8 8 0 8 0 srpgc 96 2 0 2 1 0 1 1 0 8 1 sosppl 168 4 0 4 2 2 0 1 0 8 0 sockpl 728 1216 0 1186 19 9 10 10 0 8 6 mcl64k 65536 4 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 114 0 0 15 0 15 15 0 8 0 mcl2k 2048 35 0 0 4 0 4 4 0 8 0 mtagpl 96 23 0 0 1 0 1 1 0 8 0 mbufpl 256 340 0 0 21 0 21 21 0 8 0 bufpl 280 4466 0 136 310 0 310 310 0 8 0 anonpl 32 9831 0 0 80 0 80 80 0 246 0 amapchunkpl 152 26428 0 25933 33 8 25 30 0 158 0 amappl16 200 3371 0 3281 26 16 10 18 0 8 0 amappl15 192 7 0 7 1 1 0 1 0 8 0 amappl14 184 120 0 107 1 0 1 1 0 8 0 amappl13 176 7 0 6 1 0 1 1 0 8 0 amappl12 168 1640 0 1612 3 1 2 2 0 8 0 amappl11 160 50 0 36 1 0 1 1 0 8 0 amappl10 152 36 0 35 1 0 1 1 0 8 0 amappl9 144 249 0 249 1 1 0 1 0 8 0 amappl8 136 37 0 34 1 0 1 1 0 8 0 amappl7 128 136 0 123 1 0 1 1 0 8 0 amappl6 120 181 0 177 1 0 1 1 0 8 0 amappl5 112 131 0 120 1 0 1 1 0 8 0 amappl4 104 330 0 307 1 0 1 1 0 8 0 amappl3 96 5013 0 4929 4 0 4 4 0 8 0 amappl2 88 671 0 606 2 0 2 2 0 8 0 amappl1 80 11768 0 11150 16 1 15 16 0 8 0 amappl 88 7260 0 7125 5 1 4 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 2 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 72 116 0 0 3 0 3 3 0 8 0 uaddrrnd 24 976 0 949 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 976 0 949 1 0 1 1 0 8 0 vmmpekpl 168 10489 0 10440 3 0 3 3 0 8 0 vmmpepl 168 70908 0 69061 104 9 95 102 0 357 0 vmsppl 480 975 0 949 5 0 5 5 0 8 0 rwobjpl 72 23984 0 19717 79 0 79 79 0 8 0 pdppl 4096 1959 0 1898 117 48 69 85 0 8 8 pvpl 32 16517 0 0 134 0 134 134 0 265 0 pmappl 256 975 0 949 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 413 0 57 11 0 11 11 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace savectx() at savectx+0xae end of kernel end trace frame: 0x2313383f00, count: -1 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff8000299ddff0) 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:666 acpitimer_delay(1) at acpitimer_delay+0x1d7 acpitimer_read sys/dev/acpi/acpitimer.c:146 [inline] acpitimer_delay(1) at acpitimer_delay+0x1d7 sys/dev/acpi/acpitimer.c:125 comcnputc(800,63) at comcnputc+0x29b sys/dev/ic/com.c:1269 cnputc(63) at cnputc+0x61 sys/dev/cons.c:218 kputchar(63,5,0) at kputchar+0x2cc sys/kern/subr_prf.c:367 kprintf() at kprintf+0x843 sys/kern/subr_prf.c:-1 printf(ffffffff833ae9a2) at printf+0x8b sys/kern/subr_prf.c:529 db_stack_dump() at db_stack_dump+0x7c sys/ddb/db_output.c:241 panic(ffffffff8342a2ea) at panic+0x1d0 sys/kern/subr_prf.c:229 uvm_fault_unwire_locked(fffffd806bed61f8,200000220000,200000230000) at uvm_fault_unwire_locked+0x4de uvm_fault_wire(fffffd806bed61f8,200000220000,200000231000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1766 [inline] uvm_fault_wire(fffffd806bed61f8,200000220000,200000231000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1748 end trace frame: 0xffff80003c447970, count: 0 ddb{1}> trace x86_ipi_db(ffff8000299ddff0) 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:666 acpitimer_delay(1) at acpitimer_delay+0x1d7 acpitimer_read sys/dev/acpi/acpitimer.c:146 [inline] acpitimer_delay(1) at acpitimer_delay+0x1d7 sys/dev/acpi/acpitimer.c:125 comcnputc(800,63) at comcnputc+0x29b sys/dev/ic/com.c:1269 cnputc(63) at cnputc+0x61 sys/dev/cons.c:218 kputchar(63,5,0) at kputchar+0x2cc sys/kern/subr_prf.c:367 kprintf() at kprintf+0x843 sys/kern/subr_prf.c:-1 printf(ffffffff833ae9a2) at printf+0x8b sys/kern/subr_prf.c:529 db_stack_dump() at db_stack_dump+0x7c sys/ddb/db_output.c:241 panic(ffffffff8342a2ea) at panic+0x1d0 sys/kern/subr_prf.c:229 uvm_fault_unwire_locked(fffffd806bed61f8,200000220000,200000230000) at uvm_fault_unwire_locked+0x4de uvm_fault_wire(fffffd806bed61f8,200000220000,200000231000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1766 [inline] uvm_fault_wire(fffffd806bed61f8,200000220000,200000231000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1748 uvm_vslock_device(ffff80003c4ab228,200000220040,10000,3,ffff80003c4479c0) at uvm_vslock_device+0x112 sys/uvm/uvm_glue.c:169 physio(ffffffff81d6dcf0,d02,8000,ffffffff81d6e550,ffff80003c447c78) at physio+0x277 sys/kern/kern_physio.c:139 spec_read(ffff80003c447ae0) at spec_read+0x155 sys/kern/spec_vnops.c:215 VOP_READ(fffffd806bd04100,ffff80003c447c78,0,fffffd807f7d3138) at VOP_READ+0x102 sys/kern/vfs_vops.c:227 vn_read(fffffd806c1ccde0,ffff80003c447c78,1) at vn_read+0x17b sys/kern/vfs_vnops.c:369 dofilereadv(ffff80003c4ab228,4,ffff80003c447c78,1,ffff80003c447d30) at dofilereadv+0x230 sys/kern/sys_generic.c:252 sys_pread(ffff80003c4ab228,ffff80003c447de0,ffff80003c447d30) at sys_pread+0xae sys/kern/vfs_syscalls.c:3303 syscall(ffff80003c447de0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c447de0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:579 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x232aed2670, count: -23