uvm_fault(0xfffffd806c8f6b90, 0x0, 0, 1) -> e kernel: page fault trap, code=0 Stopped at dt_ioctl_record_stop+0x108: movq 0(%r14),%r14 TID PID UID PRFLAGS PFLAGS CPU COMMAND 229875 71793 0 0 0 0 syz-executor dt_ioctl_record_stop(ffff800001489000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(21e5f,1,2000,ffff8000fffe94e0) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(21e5f,1,2000,ffff8000fffe94e0) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff80003c46bae0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd806ab65118,1,fffffd80097fd000,ffff8000fffe94e0) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd805ed466b8,ffff8000fffe94e0) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd805ed466b8,ffff8000fffe94e0) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd805ed466b8,ffff8000fffe94e0) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd805ed466b8,ffff8000fffe94e0) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff8000fffe94e0) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff8000fffe94e0,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff8000fffe94e0,ffff80003c46be50,ffff80003c46bda0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c46be50) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c46be50) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7572eeb3c5e0, count: 3 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(0xfffffd806c8f6b90, 0x0, 0, 1) -> e ddb{1}> trace dt_ioctl_record_stop(ffff800001489000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(21e5f,1,2000,ffff8000fffe94e0) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(21e5f,1,2000,ffff8000fffe94e0) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff80003c46bae0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd806ab65118,1,fffffd80097fd000,ffff8000fffe94e0) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd805ed466b8,ffff8000fffe94e0) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd805ed466b8,ffff8000fffe94e0) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd805ed466b8,ffff8000fffe94e0) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd805ed466b8,ffff8000fffe94e0) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff8000fffe94e0) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff8000fffe94e0,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff8000fffe94e0,ffff80003c46be50,ffff80003c46bda0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c46be50) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c46be50) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7572eeb3c5e0, count: -12 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff80003c46ba10 rbx 0x1 rdx 0 rcx 0xffff8000fffe94e0 rax 0xffffffff838b5680 dt_prov_static r8 0xffffffffffffffff r9 0x1 r10 0x9c9209c8b7e58880 r11 0x2e421515b24c404c r12 0 r13 0 r14 0 r15 0xffff8000015c9300 rip 0xffffffff818a4fe8 dt_ioctl_record_stop+0x108 cs 0x8 rflags 0x10207 __ALIGN_SIZE+0xf207 rsp 0xffff80003c46b9e0 ss 0x10 dt_ioctl_record_stop+0x108: movq 0(%r14),%r14 ddb{1}> show proc PROC (syz-executor) tid=466621 pid=33740 tcnt=0 stat=onproc flags process=1008 proc=2000 runpri=32, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff8000fffe94e0 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff800037ff5cb0,0xffff80002a28b250 process=0xffff8000fffe6b70 user=0xffff80003c466000, vmspace=0xfffffd806c8f6b90 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 41986 212712 81734 0 2 0 syz-executor 71793 229875 83715 0 7 0 syz-executor 71793 57132 83715 0 3 0x4000080 fsleep syz-executor 11370 457826 43544 0 3 0x80 nanoslp syz-executor 11370 40301 43544 0 3 0x4000080 netacc syz-executor 11370 174823 43544 0 3 0x4000080 fsleep syz-executor 38217 402343 78113 0 3 0x3000 suspend syz-executor 38217 323864 78113 0 3 0x4081000 biowait syz-executor 38217 272949 78113 0 3 0x4081000 inode syz-executor 38217 215422 78113 0 3 0x4081000 inode syz-executor 38562 223530 28074 0 3 0x80 nanoslp syz-executor 38562 496398 28074 0 3 0x4000000 biowait syz-executor 38562 350477 28074 0 3 0x4000000 inode syz-executor 38562 78941 28074 0 3 0x4000000 inode syz-executor 38562 432798 28074 0 3 0x4000000 inode syz-executor 38562 300746 28074 0 3 0x4000080 fsleep syz-executor 54969 256259 27374 60929 3 0x90 nanoslp syz-executor 54969 292374 27374 60929 3 0x4000090 fsleep syz-executor 54969 276692 27374 60929 3 0x4000090 fsleep syz-executor 54969 288049 27374 60929 3 0x4000090 kqsel syz-executor 23283 58027 19688 0 3 0x80 nanoslp syz-executor 23283 120741 19688 0 3 0x4000080 kqread syz-executor 23283 503649 19688 0 3 0x4000080 ttyin syz-executor 23283 493888 19688 0 3 0x4000080 fsleep syz-executor 30419 255192 0 0 3 0x14200 acct acct 81734 48485 4477 0 3 0x82 nanoslp syz-executor 83715 188980 4477 0 3 0x82 nanoslp syz-executor 19688 367735 4477 0 3 0x82 nanoslp syz-executor 43544 328492 4477 0 3 0x82 nanoslp syz-executor 86302 173938 4477 0 3 0x82 nanoslp syz-executor 27374 523863 4477 0 3 0x82 nanoslp syz-executor 28074 55540 4477 0 3 0x82 nanoslp syz-executor 78113 289805 4477 0 3 0x82 nanoslp syz-executor 4477 293257 58684 0 3 0x82 kqread syz-executor 58684 263218 60386 0 3 0x10008a sigsusp ksh 60386 179385 33349 0 3 0x98 kqread sshd-session 33349 154056 95174 0 3 0x92 kqread sshd-session 5766 296074 1 0 3 0x100083 ttyopn getty 95174 401356 1 0 3 0x88 kqread sshd 18405 204821 80052 74 3 0x1100092 bpf pflogd 80052 226007 1 0 3 0x80 sbwait pflogd 71887 159006 755 73 3 0x1100090 kqread syslogd 755 265255 1 0 3 0x100082 sbwait syslogd 23635 423463 1 0 3 0x100080 kqread resolvd 33155 452958 36975 77 3 0x100092 kqread dhcpleased 93468 280125 36975 77 3 0x100092 kqread dhcpleased 36975 345506 1 0 3 0x80 kqread dhcpleased 96296 152702 0 0 3 0x14200 pause smr 14988 103789 0 0 3 0x14200 pgzero zerothread 47787 409353 0 0 3 0x14200 aiodoned aiodoned 62666 398013 0 0 3 0x14200 syncer update 40273 218669 0 0 3 0x14200 cleaner cleaner 13157 76291 0 0 3 0x14200 reaper reaper 47074 228259 0 0 3 0x14200 pgdaemon pagedaemon 7249 121084 0 0 3 0x14200 bored viomb 14073 37278 0 0 3 0x40014200 acpi0 acpi0 13913 200919 0 0 3 0x40014200 idle1 88754 519467 0 0 3 0x14200 bored softnet1 94917 101589 0 0 3 0x14200 bored softnet0 12037 81097 0 0 3 0x14200 bored systqmp 79892 76764 0 0 3 0x14200 bored systq 63131 182819 0 0 3 0x14200 tmoslp softclockmp 79152 149930 0 0 3 0x40014200 tmoslp softclock 59903 377056 0 0 3 0x40014200 idle0 1 381928 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks Process 71793 (syz-executor) thread 0xffff800037ff5cb0 (229875) shared rwlock uobjlk r = 0 (0xfffffd806dcbd270) #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_lower_lookup+0x53 sys/uvm/uvm_fault.c:1214 #3 uvm_fault_lower+0x89 sys/uvm/uvm_fault.c:1348 #4 uvm_fault+0x274 sys/uvm/uvm_fault.c:-1 #5 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #6 usertrap+0x42f sys/arch/amd64/amd64/trap.c:632 #7 recall_trap+0x8 shared rwlock vmmaplk r = 0 (0xfffffd800b0636b8) #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 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1902 #3 uvm_fault_check+0x4f sys/uvm/uvm_fault.c:699 #4 uvm_fault+0x106 sys/uvm/uvm_fault.c:633 #5 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #6 usertrap+0x42f sys/arch/amd64/amd64/trap.c:632 #7 recall_trap+0x8 Process 38217 (syz-executor) thread 0xffff8000fffe9248 (323864) exclusive rrwlock inode r = 0 (0xfffffd806e878368) #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 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vn_write+0x18f sys/kern/vfs_vnops.c:405 #6 dofilewritev+0x242 sys/kern/sys_generic.c:380 #7 sys_write+0xa2 sys/kern/sys_generic.c:300 #8 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 #9 Xsyscall+0x128 Process 38217 (syz-executor) thread 0xffff8000fffe8d18 (272949) exclusive rrwlock inode r = 0 (0xfffffd806e8590b0) #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 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 #6 namei+0x7ca sys/kern/vfs_lookup.c:250 #7 domknodat+0xb4 sys/kern/vfs_syscalls.c:1592 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 #9 Xsyscall+0x128 Process 38562 (syz-executor) thread 0xffff800037ff42c0 (496398) exclusive rrwlock inode r = 0 (0xfffffd8069d43588) #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 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vn_write+0x18f sys/kern/vfs_vnops.c:405 #6 dofilewritev+0x242 sys/kern/sys_generic.c:380 #7 sys_write+0xa2 sys/kern/sys_generic.c:300 #8 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 #9 Xsyscall+0x128 Process 38562 (syz-executor) thread 0xffff800037ff4558 (350477) exclusive rrwlock inode r = 0 (0xfffffd806f92ac70) #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 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 #6 namei+0x7ca sys/kern/vfs_lookup.c:250 #7 uipc_bind+0x328 sys/kern/uipc_usrreq.c:371 #8 sys_bind+0x2f6 sys/kern/uipc_syscalls.c:190 #9 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #9 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 #10 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10258 11423K 11561K 166960K 12187 0 pcb 17 16K 17K 166960K 224 0 rtable 253 11K 11K 166960K 448 0 pf 36 18K 82K 166960K 118 0 ifaddr 43 7K 8K 166960K 82 0 ifgroup 55 2K 3K 166960K 133 0 sysctl 4 1K 9K 166960K 11 0 counters 70 37K 38K 166960K 288 0 ioctlops 0 0K 6K 166960K 1660 0 iov 0 0K 14K 166960K 143 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1399 88K 88K 166960K 1932 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 3 0 VM map 2 1K 1K 166960K 2 0 sem 10 0K 0K 166960K 16 0 dirhash 12 2K 2K 166960K 18 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 18 65K 89K 166960K 623 0 sigio 1 0K 0K 166960K 11 0 proc 72 115K 180K 166960K 571 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 273 0 in_multi 99 7K 7K 166960K 128 0 ether_multi 1 0K 0K 166960K 7 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 241 1076K 1076K 166960K 241 0 exec 0 0K 1K 166960K 487 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 265 160K 183K 166960K 7652 0 UVM aobj 17 4K 4K 166960K 19 0 pinsyscall 43 86K 103K 166960K 1750 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 53 0 NDP 12 0K 2K 166960K 54 0 temp 56 8670K 8739K 166960K 12666 0 kqueue 15 24K 28K 166960K 104 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 98 0 94 2 0 2 2 0 8 1 rtentry 176 132 0 27 6 0 6 6 0 8 0 unpcb 144 279 0 251 2 0 2 2 0 8 0 syncache 336 3 0 3 1 1 0 1 0 8 0 tcpcb 736 123 0 116 2 1 1 2 0 8 0 arp 136 21 0 2 1 0 1 1 0 8 0 inpcb 328 768 0 754 7 0 7 7 0 8 5 nd6 152 28 0 0 2 0 2 2 0 8 0 pkpcb 40 4 0 4 1 0 1 1 0 8 1 kcovpl 48 8 0 0 1 0 1 1 0 8 0 mppekey 1024 2 0 2 1 1 0 1 0 8 0 ppxss 1192 100 0 100 1 0 1 1 0 8 1 pppxif 1504 5 0 5 1 0 1 1 0 8 1 pffrag 232 6 0 2 1 0 1 1 0 482 0 pffrnode 88 6 0 2 1 0 1 1 0 8 0 pffrent 40 13 0 9 1 0 1 1 0 8 0 pfosfp 40 1429 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1429 0 714 21 0 21 21 0 8 0 pfanchor 1288 2 0 0 1 0 1 1 0 8 0 pfstitem 24 48 0 3 1 0 1 1 0 8 0 pfstkey 128 56 0 11 2 0 2 2 0 8 0 pfstate 448 50 0 6 5 0 5 5 0 8 0 pfrule 1344 23 0 17 2 1 1 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 552 0 102 31 1 30 31 0 8 1 art_table 40 554 0 102 5 0 5 5 0 8 0 art_node 32 132 0 38 1 0 1 1 0 8 0 sysvmsgpl 40 7 0 5 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 12 0 4 1 0 1 1 0 8 0 shmpl 112 14 0 1 1 0 1 1 0 8 0 dirhash 1024 21 0 4 3 0 3 3 0 8 0 dino2pl 256 2574 0 1068 96 0 96 96 0 8 0 ffsino 296 2574 0 1068 118 0 118 118 0 8 0 nchpl 144 3436 0 1734 64 0 64 64 0 8 0 rtmask 32 11 0 11 1 0 1 1 0 8 1 vnodes 216 2730 0 0 152 0 152 152 0 8 0 namei 1024 11423 0 11419 2 1 1 2 0 8 0 percpumem 16 159 0 109 1 0 1 1 0 8 0 vcpupl 3968 1 0 0 1 0 1 1 0 8 0 vmpool 840 2 0 1 1 0 1 1 0 8 0 kstatmem 264 76 0 50 3 0 3 3 0 8 1 scsiplug 72 4 0 4 1 1 0 1 0 8 0 scxspl 216 16841 0 16839 3 2 1 2 1 8 0 plimitpl 152 165 0 145 1 0 1 1 0 8 0 sigapl 424 934 0 885 7 1 6 7 0 8 0 knotepl 120 533 0 0 17 0 17 17 0 8 0 kqueuepl 224 312 0 300 6 1 5 5 0 8 4 pipepl 344 187 0 159 6 3 3 6 0 8 0 fdescpl 528 916 0 884 3 0 3 3 0 8 0 filepl 160 5440 0 5191 16 0 16 16 0 8 5 lockfpl 104 192 0 190 1 0 1 1 0 8 0 lockfspl 48 82 0 80 1 0 1 1 0 8 0 sessionpl 144 22 0 13 1 0 1 1 0 8 0 pgrppl 48 39 0 21 1 0 1 1 0 8 0 ucredpl 104 791 0 777 1 0 1 1 0 8 0 zombiepl 144 887 0 885 1 0 1 1 0 8 0 processpl 1232 934 0 885 5 0 5 5 0 8 0 procpl 664 1828 0 1762 6 0 6 6 0 8 0 sosppl 176 5 0 5 1 0 1 1 0 8 1 sockpl 752 1162 0 1116 11 0 11 11 0 8 6 mcl64k 65536 3 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 114 0 0 15 0 15 15 0 8 0 mcl2k 2048 26 0 0 4 0 4 4 0 8 0 mtagpl 96 17 0 0 1 0 1 1 0 8 0 mbufpl 256 201 0 0 13 0 13 13 0 8 0 bufpl 280 6539 0 402 439 0 439 439 0 8 0 anonpl 32 9522 0 0 78 1 77 77 0 246 0 amapchunkpl 152 24915 0 24350 33 1 32 33 0 158 9 amappl16 200 3553 0 3346 19 7 12 15 0 8 1 amappl15 192 13 0 13 1 1 0 1 0 8 0 amappl14 184 7 0 6 1 0 1 1 0 8 0 amappl13 176 430 0 429 1 0 1 1 0 8 0 amappl12 168 1275 0 1232 3 0 3 3 0 8 0 amappl11 160 29 0 29 2 1 1 1 0 8 1 amappl10 152 52 0 38 1 0 1 1 0 8 0 amappl9 144 261 0 261 1 1 0 1 0 8 0 amappl8 136 39 0 36 1 0 1 1 0 8 0 amappl7 128 81 0 80 1 0 1 1 0 8 0 amappl6 120 278 0 264 1 0 1 1 0 8 0 amappl5 112 90 0 80 1 0 1 1 0 8 0 amappl4 104 418 0 389 1 0 1 1 0 8 0 amappl3 96 4665 0 4546 4 0 4 4 0 8 0 amappl2 88 527 0 466 2 0 2 2 0 8 0 amappl1 80 10908 0 10313 15 2 13 15 0 8 0 amappl 88 6841 0 6653 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 8 0 8 2 1 1 1 0 8 1 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 18 0 2 1 0 1 1 0 8 0 uaddrrnd 24 917 0 885 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 917 0 885 1 0 1 1 0 8 0 vmmpekpl 168 9042 0 9002 3 0 3 3 0 8 0 vmmpepl 168 64903 0 62727 100 2 98 98 0 357 3 vmsppl 488 916 0 885 5 1 4 5 0 8 0 rwobjpl 80 20151 0 18890 29 2 27 27 0 8 1 pdppl 4096 1846 0 1773 100 26 74 86 0 8 1 pvpl 32 16501 0 0 134 0 134 134 0 265 0 pmappl 256 918 0 886 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 284 0 33 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff837f1ff0) 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(ffffffff83a0fe48) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff83a0fe48) at __mp_lock+0x192 sys/kern/kern_lock.c:165 intr_handler(ffff800038401ed0,ffff80000006b400) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:560 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f Xspllower() at Xspllower+0x1d pmap_enter(fffffd806c8feb00,110c2b0000,6cb8c000,1,20) at pmap_enter+0xd1c pmap_unmap_ptes sys/arch/amd64/amd64/pmap.c:456 [inline] pmap_enter(fffffd806c8feb00,110c2b0000,6cb8c000,1,20) at pmap_enter+0xd1c sys/arch/amd64/amd64/pmap.c:2951 uvm_fault_lower_lookup(ffff800038402350,ffff800038402388,ffff8000384022d0) at uvm_fault_lower_lookup+0x3d6 sys/uvm/uvm_fault.c:-1 uvm_fault_lower(ffff800038402350,ffff800038402388,ffff8000384022d0) at uvm_fault_lower+0x89 sys/uvm/uvm_fault.c:1348 uvm_fault(fffffd800b0635b8,110c2ac000,0,1) at uvm_fault+0x274 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff8000384024f0,110c2ac110) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 usertrap(ffff8000384024f0) at usertrap+0x42f sys/arch/amd64/amd64/trap.c:632 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x72f65eb8bc90, count: 1 ddb{0}> trace x86_ipi_db(ffffffff837f1ff0) 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(ffffffff83a0fe48) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff83a0fe48) at __mp_lock+0x192 sys/kern/kern_lock.c:165 intr_handler(ffff800038401ed0,ffff80000006b400) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:560 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f Xspllower() at Xspllower+0x1d pmap_enter(fffffd806c8feb00,110c2b0000,6cb8c000,1,20) at pmap_enter+0xd1c pmap_unmap_ptes sys/arch/amd64/amd64/pmap.c:456 [inline] pmap_enter(fffffd806c8feb00,110c2b0000,6cb8c000,1,20) at pmap_enter+0xd1c sys/arch/amd64/amd64/pmap.c:2951 uvm_fault_lower_lookup(ffff800038402350,ffff800038402388,ffff8000384022d0) at uvm_fault_lower_lookup+0x3d6 sys/uvm/uvm_fault.c:-1 uvm_fault_lower(ffff800038402350,ffff800038402388,ffff8000384022d0) at uvm_fault_lower+0x89 sys/uvm/uvm_fault.c:1348 uvm_fault(fffffd800b0635b8,110c2ac000,0,1) at uvm_fault+0x274 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff8000384024f0,110c2ac110) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 usertrap(ffff8000384024f0) at usertrap+0x42f sys/arch/amd64/amd64/trap.c:632 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x72f65eb8bc90, count: -14 ddb{0}> machine ddbcpu 1 Stopped at dt_ioctl_record_stop+0x108: movq 0(%r14),%r14 dt_ioctl_record_stop(ffff800001489000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(21e5f,1,2000,ffff8000fffe94e0) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(21e5f,1,2000,ffff8000fffe94e0) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff80003c46bae0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd806ab65118,1,fffffd80097fd000,ffff8000fffe94e0) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd805ed466b8,ffff8000fffe94e0) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd805ed466b8,ffff8000fffe94e0) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd805ed466b8,ffff8000fffe94e0) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd805ed466b8,ffff8000fffe94e0) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff8000fffe94e0) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff8000fffe94e0,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff8000fffe94e0,ffff80003c46be50,ffff80003c46bda0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c46be50) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c46be50) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7572eeb3c5e0, count: 3 ddb{1}> trace dt_ioctl_record_stop(ffff800001489000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(21e5f,1,2000,ffff8000fffe94e0) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(21e5f,1,2000,ffff8000fffe94e0) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff80003c46bae0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd806ab65118,1,fffffd80097fd000,ffff8000fffe94e0) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd805ed466b8,ffff8000fffe94e0) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd805ed466b8,ffff8000fffe94e0) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd805ed466b8,ffff8000fffe94e0) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd805ed466b8,ffff8000fffe94e0) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff8000fffe94e0) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff8000fffe94e0,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff8000fffe94e0,ffff80003c46be50,ffff80003c46bda0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c46be50) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c46be50) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7572eeb3c5e0, count: -12