uvm_fault(0xfffffd8072d75018, 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 337404 75618 0 0 0 1 syz-executor dt_ioctl_record_stop(ffff800001613000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(21e5f,2,2000,ffff8000fffee7e0) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(21e5f,2,2000,ffff8000fffee7e0) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff8000357cb0f0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd8068adb0f8,2,fffffd80097fd680,ffff8000fffee7e0) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd805ff7a380,ffff8000fffee7e0) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd805ff7a380,ffff8000fffee7e0) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd805ff7a380,ffff8000fffee7e0) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd805ff7a380,ffff8000fffee7e0) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff8000fffee7e0) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff8000fffee7e0,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff8000fffee7e0,ffff8000357cb460,ffff8000357cb3b0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff8000357cb460) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000357cb460) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7ceb7bc474e0, 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(0xfffffd8072d75018, 0x0, 0, 1) -> e ddb{0}> trace dt_ioctl_record_stop(ffff800001613000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(21e5f,2,2000,ffff8000fffee7e0) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(21e5f,2,2000,ffff8000fffee7e0) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff8000357cb0f0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd8068adb0f8,2,fffffd80097fd680,ffff8000fffee7e0) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd805ff7a380,ffff8000fffee7e0) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd805ff7a380,ffff8000fffee7e0) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd805ff7a380,ffff8000fffee7e0) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd805ff7a380,ffff8000fffee7e0) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff8000fffee7e0) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff8000fffee7e0,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff8000fffee7e0,ffff8000357cb460,ffff8000357cb3b0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff8000357cb460) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000357cb460) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7ceb7bc474e0, count: -12 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff8000357cb020 rbx 0x1 rdx 0 rcx 0xffff8000fffee7e0 rax 0xffffffff837fe2f0 dt_prov_static r8 0 r9 0x1 r10 0xede6c4e62c679fc1 r11 0xf32f5ecbefa81126 r12 0 r13 0 r14 0 r15 0xffff80000152fa00 rip 0xffffffff81e9e078 dt_ioctl_record_stop+0x108 cs 0x8 rflags 0x10207 __ALIGN_SIZE+0xf207 rsp 0xffff8000357caff0 ss 0x10 dt_ioctl_record_stop+0x108: movq 0(%r14),%r14 ddb{0}> show proc PROC (syz-executor) tid=338017 pid=20716 tcnt=0 stat=onproc flags process=1008 proc=2000 runpri=32, usrpri=85, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff8000fffee7e0 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff8000fffee018,0xffff8000fffeea88 process=0xffff80002a3bc4e8 user=0xffff8000357c6000, vmspace=0xfffffd8072d75018 estcpu=35, cpticks=14, pctcpu=0.4, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 75618 337404 45276 0 7 0 syz-executor 75618 410364 45276 0 2 0x4000000 syz-executor 96729 8434 10587 0 2 0 syz-executor 96729 15747 10587 0 3 0x4000080 fsleep syz-executor 15086 32164 30986 0 2 0 syz-executor 15086 165766 30986 0 3 0x4000080 fsleep syz-executor 60374 107084 68139 0 2 0x10 syz-executor 60374 355768 68139 0 3 0x4000090 rest syz-executor 60374 338737 68139 0 2 0x4000010 syz-executor 63358 305068 60315 0 3 0x80 nanoslp syz-executor 63358 331901 60315 0 3 0x4000080 fsleep syz-executor 63358 507111 60315 0 2 0x4000000 syz-executor 87513 159828 0 0 3 0x14200 acct acct 2186 141655 92245 0 3 0x82 nanoslp syz-executor 17861 306325 92245 0 2 0x2 syz-executor 68139 116876 92245 0 3 0x82 nanoslp syz-executor 10587 504308 92245 0 3 0x82 nanoslp syz-executor 4798 390978 92245 0 3 0x82 nanoslp syz-executor 60315 49367 92245 0 3 0x82 nanoslp syz-executor 30986 284082 92245 0 3 0x82 nanoslp syz-executor 45276 301990 92245 0 3 0x82 nanoslp syz-executor 92245 175891 38947 0 3 0x82 kqread syz-executor 38947 344175 40992 0 3 0x10008a sigsusp ksh 40992 267322 25039 0 3 0x98 kqread sshd-session 25039 437630 48199 0 3 0x92 kqread sshd-session 75038 367636 1 0 3 0x100083 ttyopn getty 48199 14766 1 0 3 0x88 kqread sshd 6920 450095 74855 74 3 0x1100092 bpf pflogd 74855 380232 1 0 3 0x80 sbwait pflogd 62284 480685 86252 73 3 0x1100090 kqread syslogd 86252 509093 1 0 3 0x100082 sbwait syslogd 37894 138547 1 0 3 0x100080 kqread resolvd 22669 129309 59090 77 3 0x100092 kqread dhcpleased 2708 179769 59090 77 3 0x100092 kqread dhcpleased 59090 507736 1 0 3 0x80 kqread dhcpleased 89508 141209 0 0 3 0x14200 bored smr 92908 113521 0 0 2 0x14200 zerothread 95409 473664 0 0 3 0x14200 aiodoned aiodoned 39144 78287 0 0 3 0x14200 syncer update 99001 224345 0 0 3 0x14200 cleaner cleaner 74328 36940 0 0 2 0x14200 reaper 71373 263168 0 0 3 0x14200 pgdaemon pagedaemon 53431 433159 0 0 3 0x14200 bored viomb 51928 483539 0 0 3 0x40014200 acpi0 acpi0 24743 465751 0 0 3 0x40014200 idle1 99761 363016 0 0 3 0x14200 bored softnet1 50977 479970 0 0 3 0x14200 bored softnet0 53238 243439 0 0 3 0x14200 smrbar systqmp 91941 161158 0 0 3 0x14200 bored systq 64784 342564 0 0 3 0x14200 tmoslp softclockmp 93211 95488 0 0 3 0x40014200 tmoslp softclock 20390 428498 0 0 3 0x40014200 idle0 1 328933 0 0 3 0x80082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 75618 (syz-executor) thread 0xffff8000387df780 (410364) exclusive rwlock vmmaplk r = 0 (0xfffffd806f63ac78) #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:1880 #3 uvm_fault_check+0x4f sys/uvm/uvm_fault.c:693 #4 uvm_fault+0x106 sys/uvm/uvm_fault.c:627 #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 96729 (syz-executor) thread 0xffff8000387de2c0 (8434) exclusive rwlock vmmaplk r = 0 (0xfffffd8072d758b8) #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 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5165 #3 uvm_map_protect+0xe0 sys/uvm/uvm_map.c:3069 #4 sys_mprotect+0x351 sys/uvm/uvm_mmap.c:590 #5 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #5 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 #6 Xsyscall+0x128 Process 60374 (syz-executor) thread 0xffff8000387dea88 (338737) exclusive rrwlock inode r = 0 (0xfffffd807eb28458) #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+0xbd sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vget+0x2a2 sys/kern/vfs_subr.c:686 #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 vn_open+0x15a sys/kern/vfs_vnops.c:140 #12 doopenat+0x35b sys/kern/vfs_syscalls.c:1138 #13 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 #14 Xsyscall+0x128 Process 63358 (syz-executor) thread 0xffff8000fffee018 (507111) exclusive rwlock vmmaplk r = 0 (0xfffffd8072d75300) #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:1880 #3 uvm_fault_check+0x4f sys/uvm/uvm_fault.c:693 #4 uvm_fault+0x106 sys/uvm/uvm_fault.c:627 #5 kpageflttrap+0x2f4 sys/arch/amd64/amd64/trap.c:283 #6 kerntrap+0x19c sys/arch/amd64/amd64/trap.c:520 #7 alltraps_kern_meltdown+0x7b #8 _copyin+0x5b #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 Process 17861 (syz-executor) thread 0xffff8000fffef4d8 (306325) exclusive rwlock vmmaplk r = 0 (0xfffffd8072d754e8) #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 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5165 #3 uvmspace_fork+0x12b sys/uvm/uvm_map.c:3746 #4 process_new+0x577 sys/kern/kern_fork.c:281 #5 fork1+0x3f6 sys/kern/kern_fork.c:-1 #6 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 #7 Xsyscall+0x128 exclusive rwlock vmmaplk r = 0 (0xfffffd806f63a2f0) #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 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5165 #3 uvmspace_fork+0x44 sys/uvm/uvm_map.c:3737 #4 process_new+0x577 sys/kern/kern_fork.c:281 #5 fork1+0x3f6 sys/kern/kern_fork.c:-1 #6 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 #7 Xsyscall+0x128 Process 74328 (reaper) thread 0xffff8000ffffdc90 (36940) exclusive rwlock kmmaplk r = 0 (0xffffffff83a0dca8) #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 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5165 #3 uvm_unmap+0x7d sys/uvm/uvm_map.c:1792 #4 km_free+0x87 sys/uvm/uvm_km.c:714 #5 uvm_uarea_free+0x4f sys/uvm/uvm_glue.c:304 #6 reaper+0x1ca sys/kern/kern_exit.c:493 #7 proc_trampoline+0x10 Process 53238 (systqmp) thread 0xffff8000ffffe7c8 (243439) shared rwlock systqmp r = 0 (0xffffffff8387d1e8) #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 11092 12174K 12339K 166960K 12889 0 pcb 17 14K 16K 166960K 196 0 rtable 188 7K 8K 166960K 456 0 pf 41 18K 18K 166960K 92 0 ifaddr 39 6K 7K 166960K 82 0 ifgroup 68 3K 3K 166960K 133 0 sysctl 3 1K 9K 166960K 43 0 counters 76 37K 37K 166960K 128 0 ioctlops 0 0K 4K 166960K 1640 0 iov 0 0K 16K 166960K 31 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1407 88K 88K 166960K 1866 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 7 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 21 0 dirhash 12 2K 2K 166960K 27 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 18 65K 232K 166960K 624 0 sigio 0 0K 0K 166960K 4 0 proc 73 131K 180K 166960K 594 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 91 0 in_multi 69 5K 7K 166960K 129 0 ether_multi 1 0K 0K 166960K 2 0 mrt 0 0K 0K 166960K 2 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 431 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 247 167K 182K 166960K 7843 0 UVM aobj 16 8K 8K 166960K 18 0 pinsyscall 43 86K 103K 166960K 1755 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 84 0 NDP 14 0K 1K 166960K 51 0 temp 55 8675K 8747K 166960K 24334 0 kqueue 13 20K 30K 166960K 135 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 72 0 69 1 0 1 1 0 8 0 rtentry 176 131 0 56 6 0 6 6 0 8 0 unpcb 144 344 0 325 2 1 1 2 0 8 0 syncache 336 7 0 7 2 2 0 1 0 8 0 tcpcb 736 168 0 164 5 3 2 4 0 8 1 arp 136 21 0 5 1 0 1 1 0 8 0 inpcb 328 592 0 584 9 2 7 7 0 8 6 nd6 152 24 0 9 1 0 1 1 0 8 0 pkpcb 40 6 0 6 3 2 1 1 0 8 1 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1192 17 0 16 2 1 1 1 0 8 0 pppxif 1504 6 0 5 2 1 1 1 0 8 0 pffrag 232 36 0 33 1 0 1 1 0 482 0 pffrnode 88 36 0 33 1 0 1 1 0 8 0 pffrent 40 73 0 70 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 pfrule 1360 1 0 1 1 1 0 1 0 8 0 rttmr 136 1 0 1 1 1 0 1 0 8 0 art_heap8 4096 3 0 0 3 0 3 3 0 8 0 art_heap4 256 597 0 233 31 3 28 29 0 8 2 art_table 40 600 0 233 5 0 5 5 0 8 0 art_node 32 131 0 60 1 0 1 1 0 8 0 sysvmsgpl 40 5 0 1 1 0 1 1 0 8 0 semupl 112 4 0 4 2 2 0 1 0 8 0 semapl 112 19 0 9 1 0 1 1 0 8 0 shmpl 112 13 0 2 1 0 1 1 0 8 0 dirhash 1024 27 0 10 3 0 3 3 0 8 0 dino2pl 256 2562 0 1055 96 0 96 96 0 8 0 ffsino 296 2562 0 1055 118 1 117 118 0 8 0 nchpl 144 3442 0 1740 64 0 64 64 0 8 0 rtmask 32 1 0 1 1 0 1 1 0 8 1 vnodes 216 2911 0 0 162 0 162 162 0 8 0 namei 1024 11918 0 11918 3 2 1 2 0 8 1 percpumem 16 79 0 26 1 0 1 1 0 8 0 vcpupl 3968 2 0 0 1 0 1 1 0 8 0 vmpool 848 2 0 0 1 0 1 1 0 8 0 kstatmem 264 72 0 40 4 1 3 3 0 8 0 scsiplug 72 2 0 2 1 1 0 1 0 8 0 scxspl 216 14441 0 14441 10 8 2 8 1 8 2 plimitpl 152 243 0 225 1 0 1 1 0 8 0 sigapl 424 924 0 875 7 1 6 7 0 8 0 knotepl 120 556 0 0 17 0 17 17 0 8 0 kqueuepl 224 197 0 187 1 0 1 1 0 8 0 pipepl 344 156 0 129 3 0 3 3 0 8 0 fdescpl 528 907 0 875 3 0 3 3 0 8 0 filepl 160 5106 0 4827 16 2 14 14 0 8 1 lockfpl 104 212 0 210 1 0 1 1 0 8 0 lockfspl 48 78 0 76 1 0 1 1 0 8 0 sessionpl 144 26 0 17 1 0 1 1 0 8 0 pgrppl 48 41 0 24 1 0 1 1 0 8 0 ucredpl 104 786 0 772 1 0 1 1 0 8 0 zombiepl 144 1212 0 1210 1 0 1 1 0 8 0 processpl 1232 924 0 875 5 1 4 5 0 8 0 procpl 664 1890 0 1830 6 0 6 6 0 8 0 sockpl 752 1026 0 996 15 4 11 11 0 8 7 mcl64k 65536 4 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 127 0 0 16 0 16 16 0 8 0 mcl2k 2048 33 0 0 4 0 4 4 0 8 0 mtagpl 96 10 0 0 1 0 1 1 0 8 0 mbufpl 256 244 0 0 16 0 16 16 0 8 0 bufpl 280 5326 0 130 372 0 372 372 0 8 0 anonpl 32 8073 0 0 66 0 66 66 0 246 0 amapchunkpl 152 25739 0 25242 39 13 26 33 0 158 4 amappl16 200 2831 0 2785 12 7 5 11 0 8 0 amappl15 192 3 0 3 1 1 0 1 0 8 0 amappl14 184 6 0 6 1 1 0 1 0 8 0 amappl13 176 427 0 426 1 0 1 1 0 8 0 amappl12 168 1278 0 1236 3 0 3 3 0 8 0 amappl11 160 4 0 4 1 1 0 1 0 8 0 amappl10 152 49 0 35 1 0 1 1 0 8 0 amappl9 144 248 0 248 1 1 0 1 0 8 0 amappl8 136 52 0 50 1 0 1 1 0 8 0 amappl7 128 84 0 83 1 0 1 1 0 8 0 amappl6 120 283 0 269 1 0 1 1 0 8 0 amappl5 112 127 0 117 1 0 1 1 0 8 0 amappl4 104 425 0 398 1 0 1 1 0 8 0 amappl3 96 4271 0 4178 4 1 3 3 0 8 0 amappl2 88 1062 0 986 2 0 2 2 0 8 0 amappl1 80 12228 0 11636 15 0 15 15 0 8 0 amappl 88 7000 0 6831 5 0 5 5 0 92 0 uvmvnodes 80 115 0 0 3 0 3 3 0 8 0 dma8192 8192 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 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 17 0 2 1 0 1 1 0 8 0 uaddrrnd 24 907 0 875 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 907 0 875 1 0 1 1 0 8 0 vmmpekpl 168 9764 0 9729 2 0 2 2 0 8 0 vmmpepl 168 66183 0 64204 102 13 89 102 0 357 0 vmsppl 488 906 0 875 5 1 4 5 0 8 0 rwobjpl 80 20910 0 19837 26 0 26 26 0 8 0 pdppl 4096 1825 0 1752 107 34 73 85 0 8 0 pvpl 32 17721 0 0 144 1 143 143 0 265 0 pmappl 256 908 0 875 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 296 0 48 8 0 8 8 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace dt_ioctl_record_stop(ffff800001613000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(21e5f,2,2000,ffff8000fffee7e0) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(21e5f,2,2000,ffff8000fffee7e0) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff8000357cb0f0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd8068adb0f8,2,fffffd80097fd680,ffff8000fffee7e0) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd805ff7a380,ffff8000fffee7e0) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd805ff7a380,ffff8000fffee7e0) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd805ff7a380,ffff8000fffee7e0) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd805ff7a380,ffff8000fffee7e0) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff8000fffee7e0) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff8000fffee7e0,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff8000fffee7e0,ffff8000357cb460,ffff8000357cb3b0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff8000357cb460) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000357cb460) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7ceb7bc474e0, count: -12 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 end of kernel end trace frame: 0x754cdae85fc0, count: 12 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 end of kernel end trace frame: 0x754cdae85fc0, count: -3