uvm_fault(0xfffffd806b77d020, 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 91894 20956 0 0x2 0x1 1 syz-executor dt_ioctl_record_stop(ffff80000148d000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:586 dtclose(11e5f,81,2000,ffff80003c4f2568) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff80003c4f2568) at dtclose+0x109 sys/dev/dt/dt_dev.c:232 spec_close(ffff80002a35ef50) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805de51030,81,fffffd80097fb548,ffff80003c4f2568) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806b765ba8,ffff80003c4f2568) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806b765ba8,ffff80003c4f2568) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806b765ba8,ffff80003c4f2568) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806b765ba8,ffff80003c4f2568) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80003c4f2568) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80003c4f2568,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80003c4f2568,ffff80002a35f2c0,ffff80002a35f210) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80002a35f2c0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a35f2c0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7b08ce275660, 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{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic *cpu0: uvm_fault(0xfffffd806b77d020, 0x0, 0, 1) -> e ddb{0}> trace dt_ioctl_record_stop(ffff80000148d000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:586 dtclose(11e5f,81,2000,ffff80003c4f2568) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff80003c4f2568) at dtclose+0x109 sys/dev/dt/dt_dev.c:232 spec_close(ffff80002a35ef50) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805de51030,81,fffffd80097fb548,ffff80003c4f2568) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806b765ba8,ffff80003c4f2568) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806b765ba8,ffff80003c4f2568) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806b765ba8,ffff80003c4f2568) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806b765ba8,ffff80003c4f2568) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80003c4f2568) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80003c4f2568,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80003c4f2568,ffff80002a35f2c0,ffff80002a35f210) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80002a35f2c0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a35f2c0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7b08ce275660, count: -12 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff80002a35ee80 rbx 0x1 rdx 0 rcx 0xffff80003c4f2568 rax 0xffffffff83794040 dt_prov_syscall r8 0 r9 0 r10 0x28ac240b5ea4fbc6 r11 0xbf0fcb5eb0d9b704 r12 0 r13 0 r14 0 r15 0xffff8000014e9400 rip 0xffffffff813e5048 dt_ioctl_record_stop+0x108 cs 0x8 rflags 0x10207 __ALIGN_SIZE+0xf207 rsp 0xffff80002a35ee50 ss 0x10 dt_ioctl_record_stop+0x108: movq 0(%r14),%r14 ddb{0}> show proc PROC (syz-executor) tid=292572 pid=3538 tcnt=0 stat=onproc flags process=1008 proc=2000 runpri=84, usrpri=84, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff80003c4f2568 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff800035812028,0xffffffff8386f880 process=0xffff80002a3b0500 user=0xffff80002a35a000, vmspace=0xfffffd806b77d020 estcpu=34, cpticks=2, pctcpu=0.2, user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 46230 331540 12034 0 2 0 syz-executor 46230 82785 12034 0 2 0x4000000 syz-executor 40304 239918 0 0 3 0x14200 acct acct 15100 248462 67451 0 2 0x3 syz-executor 86265 464664 67451 0 2 0x2 syz-executor 632 317159 67451 0 3 0x82 nanoslp syz-executor 19032 340040 0 0 3 0x14200 bored sosplice 7100 220210 0 0 3 0x14280 nfsidl nfsio 55747 209772 0 0 3 0x14280 nfsidl nfsio 73812 385825 0 0 3 0x14280 nfsidl nfsio 6344 286265 0 0 3 0x14280 nfsidl nfsio 57859 304190 0 0 3 0x14280 nfsidl nfsio 63876 49352 0 0 3 0x14280 nfsidl nfsio 62497 354848 0 0 3 0x14280 nfsidl nfsio 84309 64784 0 0 3 0x14280 nfsidl nfsio 91470 87937 0 0 3 0x14280 nfsidl nfsio 89262 216962 0 0 3 0x14280 nfsidl nfsio 46107 58529 0 0 3 0x14280 nfsidl nfsio 38805 152328 0 0 3 0x14280 nfsidl nfsio 80905 334106 0 0 3 0x14280 nfsidl nfsio 96361 323166 0 0 3 0x14280 nfsidl nfsio 79184 151632 0 0 3 0x14280 nfsidl nfsio 87617 93921 0 0 3 0x14280 nfsidl nfsio 29534 234157 0 0 3 0x14280 nfsidl nfsio 57875 323898 0 0 3 0x14280 nfsidl nfsio 26531 129668 0 0 3 0x14280 nfsidl nfsio 42450 523213 0 0 3 0x14280 nfsidl nfsio 40403 254427 67451 0 2 0x2 syz-executor 9340 388237 67451 0 3 0x82 nanoslp syz-executor 20956 91894 67451 0 7 0x3 syz-executor 14852 389206 67451 0 3 0x82 wait syz-executor 12034 463943 67451 0 2 0x3 syz-executor 67451 517815 15052 0 3 0x82 kqread syz-executor 15052 444617 65043 0 3 0x10008a sigsusp ksh 65043 182211 92850 0 3 0x98 kqread sshd-session 92850 89882 66253 0 3 0x92 kqread sshd-session 58766 499454 1 0 3 0x100083 ttyin getty 66253 435102 1 0 3 0x88 kqread sshd 1419 293662 91829 74 3 0x1100092 bpf pflogd 91829 230646 1 0 3 0x80 sbwait pflogd 81567 337112 88999 73 3 0x1100090 kqread syslogd 88999 337938 1 0 3 0x100082 sbwait syslogd 57439 449252 1 0 3 0x100080 kqread resolvd 70160 237396 26811 77 3 0x100092 kqread dhcpleased 81992 31441 26811 77 3 0x100092 kqread dhcpleased 26811 417751 1 0 3 0x80 kqread dhcpleased 22778 107099 0 0 3 0x14200 bored smr 38477 120347 0 0 2 0x14200 zerothread 6431 420755 0 0 3 0x14200 aiodoned aiodoned 85652 301555 0 0 3 0x14200 syncer update 22644 281230 0 0 3 0x14200 cleaner cleaner 94019 393853 0 0 3 0x14200 reaper reaper 29330 261239 0 0 3 0x14200 pgdaemon pagedaemon 83527 226862 0 0 3 0x14200 bored viomb 92845 484530 0 0 3 0x40014200 acpi0 acpi0 53836 40152 0 0 3 0x40014200 idle1 24321 117045 0 0 3 0x14200 bored softnet7 45247 253038 0 0 3 0x14200 bored softnet6 42029 279447 0 0 3 0x14200 bored softnet5 72510 172981 0 0 3 0x14200 bored softnet4 17662 421554 0 0 3 0x14200 bored softnet3 19287 15407 0 0 3 0x14200 bored softnet2 78406 337484 0 0 3 0x14200 bored softnet1 65337 58597 0 0 3 0x14200 bored softnet0 31346 470122 0 0 3 0x14200 bored systqmp 43797 68550 0 0 3 0x14200 bored systq 30266 359028 0 0 3 0x14200 tmoslp softclockmp 55071 451068 0 0 3 0x40014200 tmoslp softclock 18845 363451 0 0 3 0x40014200 idle0 1 379776 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{0}> show all locks Process 46230 (syz-executor) thread 0xffff800035812028 (82785) exclusive rrwlock inode r = 0 (0xfffffd806eb9d358) #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:748 #9 Xsyscall+0x128 Process 40403 (syz-executor) thread 0xffff8000ffff2d08 (254427) exclusive rrwlock inode r = 0 (0xfffffd8071c2fc70) #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 ufs_ihashins+0x4f ufs_ihash sys/ufs/ufs/ufs_ihash.c:-1 [inline] #4 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:159 #5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1232 #6 ufs_lookup+0x16bd sys/ufs/ufs/ufs_lookup.c:573 #7 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #8 vfs_lookup+0x93a sys/kern/vfs_lookup.c:566 #9 namei+0x7ca sys/kern/vfs_lookup.c:250 #10 dofstatat+0xf2 sys/kern/vfs_syscalls.c:2086 #11 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #11 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 #12 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806bf5c7c8) #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 vget+0x2a2 sys/kern/vfs_subr.c:693 #6 cache_lookup+0x351 sys/kern/vfs_cache.c:222 #7 ufs_lookup+0x1e3 sys/ufs/ufs/ufs_lookup.c:160 #8 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #9 vfs_lookup+0x93a sys/kern/vfs_lookup.c:566 #10 namei+0x7ca sys/kern/vfs_lookup.c:250 #11 dofstatat+0xf2 sys/kern/vfs_syscalls.c:2086 #12 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #12 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 #13 Xsyscall+0x128 Process 12034 (syz-executor) thread 0xffff80002a2b87e0 (463943) exclusive rrwlock inode r = 0 (0xfffffd806e1ab230) #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 vget+0x2a2 sys/kern/vfs_subr.c:693 #6 ktrwriteraw+0x175 sys/kern/kern_ktrace.c:688 #7 ktrsyscall+0x340 ktrwrite sys/kern/kern_ktrace.c:-1 [inline] #7 ktrsyscall+0x340 sys/kern/kern_ktrace.c:183 #8 syscall+0x304 mi_syscall sys/sys/syscall_mi.h:154 [inline] #8 syscall+0x304 sys/arch/amd64/amd64/trap.c:748 #9 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10230 11090K 11734K 166960K 12768 0 pcb 17 16K 16K 166960K 408 0 rtable 143 8K 12K 166960K 612 0 pf 39 18K 131091K 166960K 251 0 ifaddr 29 4K 7K 166960K 141 0 ifgroup 56 2K 3K 166960K 233 0 sysctl 3 1K 9K 166960K 23 0 counters 68 36K 38K 166960K 238 0 ioctlops 0 0K 4K 166960K 2038 0 iov 0 0K 28K 166960K 98 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1456 92K 92K 166960K 2644 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 5K 9K 166960K 23 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 215 0 dirhash 12 2K 2K 166960K 48 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 15 53K 240K 166960K 1890 0 sigio 0 0K 0K 166960K 77 0 proc 72 115K 164K 166960K 911 0 subproc 72 4K 4K 166960K 126 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 307 0 in_multi 49 3K 7K 166960K 240 0 ether_multi 1 0K 0K 166960K 21 0 mrt 1 0K 0K 166960K 12 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 109 493K 493K 166960K 109 0 exec 0 0K 1K 166960K 882 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 230 167K 192K 166960K 18340 0 UVM aobj 54 3K 3K 166960K 59 0 pinsyscall 40 80K 101K 166960K 3146 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 103 0 NDP 12 0K 2K 166960K 102 0 temp 81 8652K 8733K 166960K 89450 0 kqueue 13 20K 33K 166960K 360 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 120 283 0 280 3 2 1 3 0 8 0 rtentry 176 190 0 142 5 0 5 5 0 8 0 unpcb 144 1246 0 1229 8 5 3 4 0 8 2 syncache 336 8 0 8 4 4 0 1 0 8 0 tcpqe 32 1 0 1 1 1 0 1 0 8 0 tcpcb 736 905 0 899 27 23 4 13 0 8 3 arp 128 19 0 14 1 0 1 1 0 8 0 inpcb 328 2184 0 2175 28 23 5 12 0 8 3 nd6 144 38 0 27 1 0 1 1 0 8 0 pkpcb 40 14 0 14 4 3 1 1 0 8 1 kcovpl 48 14 0 6 1 0 1 1 0 8 0 ppxss 1192 63 0 63 2 1 1 1 0 8 1 pppxif 1504 8 0 8 5 4 1 1 0 8 1 pfstscr 40 3 0 3 3 2 1 1 0 8 1 pffrag 232 13 0 8 1 0 1 1 0 482 0 pffrnode 88 12 0 7 1 0 1 1 0 8 0 pffrent 40 157 0 152 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 pfrktable 1344 22 0 22 4 4 0 1 0 8 0 pfanchor 1288 10 0 10 4 4 0 1 0 8 0 pfstitem 24 148 0 54 1 0 1 1 0 8 0 pfstkey 128 161 0 66 4 0 4 4 0 8 0 pfstate 384 153 0 61 10 0 10 10 0 8 0 pfrule 1344 36 0 31 2 1 1 2 0 8 0 rttmr 136 4 0 4 2 2 0 1 0 8 0 art_heap8 4096 4 0 0 4 0 4 4 0 8 0 art_heap4 256 848 0 598 34 16 18 28 0 8 0 art_table 40 852 0 598 5 0 5 5 0 8 0 art_node 32 189 0 147 1 0 1 1 0 8 0 sysvmsgpl 40 2 0 2 1 1 0 1 0 8 0 semupl 112 2 0 2 2 2 0 1 0 8 0 semapl 112 207 0 197 1 0 1 1 0 8 0 shmpl 112 56 0 5 2 0 2 2 0 8 0 dirhash 1024 41 0 24 3 0 3 3 0 8 0 dino2pl 256 4781 0 3259 96 0 96 96 0 8 0 ffsino 296 4781 0 3259 118 0 118 118 0 8 0 nchpl 144 7421 0 5716 64 0 64 64 0 8 0 rtmask 32 12 0 12 2 2 0 1 0 8 0 uvmvnodes 80 5503 0 0 113 0 113 113 0 8 0 vnodes 216 5503 0 0 306 0 306 306 0 8 0 namei 1024 27121 0 27119 5 2 3 3 0 8 2 percpumem 16 134 0 85 1 0 1 1 0 8 0 pfiaddrpl 120 7 0 7 3 3 0 1 0 8 0 kstatmem 264 150 0 122 4 1 3 3 0 8 0 scsiplug 72 8 0 8 2 2 0 1 0 8 0 scxspl 216 41754 0 41754 14 12 2 8 1 8 2 plimitpl 152 619 0 601 1 0 1 1 0 8 0 sigapl 424 2186 0 2113 9 0 9 9 0 8 0 knotepl 120 562 0 0 17 0 17 17 0 8 0 kqueuepl 224 748 0 739 9 6 3 5 0 8 2 pipepl 344 357 0 329 9 6 3 9 0 8 0 fdescpl 528 2139 0 2110 3 0 3 3 0 8 0 filepl 160 14498 0 14271 29 15 14 17 0 8 2 lockfpl 104 615 0 612 1 0 1 1 0 8 0 lockfspl 48 244 0 241 1 0 1 1 0 8 0 sessionpl 144 33 0 24 1 0 1 1 0 8 0 pgrppl 48 151 0 134 1 0 1 1 0 8 0 ucredpl 104 2242 0 2227 1 0 1 1 0 8 0 zombiepl 144 2206 0 2202 1 0 1 1 0 8 0 processpl 1232 2186 0 2113 7 0 7 7 0 8 0 procpl 664 5061 0 4987 9 0 9 9 0 8 1 sosppl 168 10 0 10 6 5 1 1 0 8 1 sockpl 752 3775 0 3746 37 29 8 17 0 8 4 mcl64k 65536 17 0 0 3 0 3 3 0 8 0 mcl16k 16384 3 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 125 0 0 16 0 16 16 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 51 0 0 7 0 7 7 0 8 0 mtagpl 96 4 0 0 1 0 1 1 0 8 0 mbufpl 256 253 0 0 15 0 15 15 0 8 0 bufpl 280 17156 0 11011 441 1 440 440 0 8 1 anonpl 32 14250 0 0 116 1 115 115 0 246 0 amapchunkpl 152 64033 0 63565 47 16 31 32 0 158 7 amappl16 200 8247 0 8210 74 58 16 28 0 8 8 amappl15 192 6 0 6 3 2 1 1 0 8 1 amappl14 184 137 0 125 1 0 1 1 0 8 0 amappl13 176 3 0 3 1 1 0 1 0 8 0 amappl12 168 2961 0 2932 3 1 2 2 0 8 0 amappl11 160 51 0 37 1 0 1 1 0 8 0 amappl10 152 7 0 7 1 1 0 1 0 8 0 amappl9 144 252 0 252 1 1 0 1 0 8 0 amappl8 136 25 0 22 1 0 1 1 0 8 0 amappl7 128 126 0 113 1 0 1 1 0 8 0 amappl6 120 257 0 254 1 0 1 1 0 8 0 amappl5 112 151 0 141 1 0 1 1 0 8 0 amappl4 104 338 0 318 1 0 1 1 0 8 0 amappl3 96 12657 0 12555 4 0 4 4 0 8 0 amappl2 88 779 0 715 2 0 2 2 0 8 0 amappl1 80 16857 0 16261 17 2 15 15 0 8 0 amappl 88 17199 0 17044 5 0 5 5 0 92 0 dma65536 65536 1 0 1 1 0 1 1 0 8 1 dma32768 32768 1 0 1 1 1 0 1 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 7 0 7 2 2 0 1 0 8 0 dma128 128 254 0 254 2 2 0 1 0 8 0 dma64 64 8 0 8 3 3 0 1 0 8 0 dma32 32 8 0 8 2 2 0 1 0 8 0 dma16 16 20 0 19 1 0 1 1 0 8 0 aobjpl 72 58 0 5 1 0 1 1 0 8 0 uaddrrnd 24 2139 0 2110 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2139 0 2110 1 0 1 1 0 8 0 vmmpekpl 168 18219 0 18170 3 0 3 3 0 8 0 vmmpepl 168 140848 0 138936 136 25 111 112 0 357 11 vmsppl 488 2138 0 2110 6 1 5 5 0 8 0 rwobjpl 80 43916 0 37427 140 0 140 140 0 8 0 pdppl 4096 4286 0 4220 126 54 72 84 0 8 6 pvpl 32 21586 0 0 174 0 174 174 0 265 0 pmappl 256 2138 0 2110 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 351 0 103 8 0 8 8 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace dt_ioctl_record_stop(ffff80000148d000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:586 dtclose(11e5f,81,2000,ffff80003c4f2568) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff80003c4f2568) at dtclose+0x109 sys/dev/dt/dt_dev.c:232 spec_close(ffff80002a35ef50) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805de51030,81,fffffd80097fb548,ffff80003c4f2568) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806b765ba8,ffff80003c4f2568) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806b765ba8,ffff80003c4f2568) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806b765ba8,ffff80003c4f2568) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806b765ba8,ffff80003c4f2568) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80003c4f2568) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80003c4f2568,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80003c4f2568,ffff80002a35f2c0,ffff80002a35f210) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80002a35f2c0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a35f2c0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7b08ce275660, count: -12 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 __mp_lock(ffffffff838f7d38) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff838f7d38) at __mp_lock+0x192 sys/kern/kern_lock.c:165 ktrsyscall(ffff8000ffff3c98,b,20,ffff80002a37d9f0) at ktrsyscall+0x2c7 ktrwrite sys/kern/kern_ktrace.c:-1 [inline] ktrsyscall(ffff8000ffff3c98,b,20,ffff80002a37d9f0) at ktrsyscall+0x2c7 sys/kern/kern_ktrace.c:183 syscall(ffff80002a37d9f0) at syscall+0x304 mi_syscall sys/sys/syscall_mi.h:154 [inline] syscall(ffff80002a37d9f0) at syscall+0x304 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7cd35177b810, count: 8 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 __mp_lock(ffffffff838f7d38) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff838f7d38) at __mp_lock+0x192 sys/kern/kern_lock.c:165 ktrsyscall(ffff8000ffff3c98,b,20,ffff80002a37d9f0) at ktrsyscall+0x2c7 ktrwrite sys/kern/kern_ktrace.c:-1 [inline] ktrsyscall(ffff8000ffff3c98,b,20,ffff80002a37d9f0) at ktrsyscall+0x2c7 sys/kern/kern_ktrace.c:183 syscall(ffff80002a37d9f0) at syscall+0x304 mi_syscall sys/sys/syscall_mi.h:154 [inline] syscall(ffff80002a37d9f0) at syscall+0x304 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7cd35177b810, count: -7