witness: lock order reversal: 1st 0xffffffff83784e08 &cq->cq_mtx (&cq->cq_mtx) 2nd 0xffffffff838f5898 &sched_lock (&sched_lock) lock order [1] &cq->cq_mtx (&cq->cq_mtx) -> [2] &sched_lock (&sched_lock) #0 mtx_enter+0x4a sys/kern/kern_lock.c:260 #1 sleep_setup+0xc6 sys/kern/kern_synch.c:302 #2 msleep_nsec+0x10b sys/kern/kern_synch.c:217 #3 dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:582 #4 dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] #4 dtclose+0x109 sys/dev/dt/dt_dev.c:232 #5 spec_close+0x466 sys/kern/spec_vnops.c:-1 #6 VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 #7 vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] #7 vn_closefile+0x12b sys/kern/vfs_vnops.c:615 #8 fdrop+0x121 sys/kern/kern_descrip.c:1280 #9 closef+0x192 sys/kern/kern_descrip.c:1264 #10 fdfree+0x116 sys/kern/kern_descrip.c:1195 #11 exit1+0x576 sys/kern/kern_exit.c:215 #12 sys_exit+0x1a sys/kern/kern_exit.c:-1 #13 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 #14 Xsyscall+0x128 lock order [2] &sched_lock (&sched_lock) -> [1] &cq->cq_mtx (&cq->cq_mtx) #0 mtx_enter+0x4a sys/kern/kern_lock.c:260 #1 clockintr_cancel+0x2f sys/kern/kern_clockintr.c:323 #2 mi_switch+0x16f sys/kern/sched_bsd.c:378 #3 ast+0x15a mi_ast sys/sys/syscall_mi.h:252 [inline] #3 ast+0x15a sys/arch/amd64/amd64/trap.c:712 #4 intr_user_exit+0x3c Stopped at db_enter+0x25: addq $0x8,%rsp ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic the kernel did not panic ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 witness_checkorder(ffffffff838f5898,9,0) at witness_checkorder+0x10b9 sys/kern/subr_witness.c:-1 mtx_enter(ffffffff838f5888) at mtx_enter+0x4a sys/kern/kern_lock.c:260 sleep_setup(ffffffff83784e58,220,ffffffff833f4a85) at sleep_setup+0xc6 sys/kern/kern_synch.c:302 msleep_nsec(ffffffff83784e58,ffffffff83784df8,220,ffffffff833f4a85,ffffffffffffffff) at msleep_nsec+0x10b sys/kern/kern_synch.c:217 dt_ioctl_record_stop(ffff80000147c000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:582 dtclose(21e5f,81,2000,ffff800033008a80) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(21e5f,81,2000,ffff800033008a80) at dtclose+0x109 sys/dev/dt/dt_dev.c:232 spec_close(ffff80003c444bf0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805e7b28d0,81,fffffd80097fb478,ffff800033008a80) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806a29a3e0,ffff800033008a80) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806a29a3e0,ffff800033008a80) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806a29a3e0,ffff800033008a80) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806a29a3e0,ffff800033008a80) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff800033008a80) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff800033008a80,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff800033008a80,ffff80003c444f60,ffff80003c444eb0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c444f60) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c444f60) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x791bda1d9010, count: -17 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff80003c444900 rbx 0 rdx 0 rcx 0xffff800033008a80 rax 0xffff8000299edff0 r8 0xffff80003c4447e0 r9 0x8080808080808080 r10 0x7b776a5cede5d520 r11 0xbe14de30ecbcb03b r12 0xfffffd8003ef5dc0 r13 0xfffffd80046e3a28 r14 0x3 r15 0xffffffff833dee8b substchar+0x8706 rip 0xffffffff8314ee75 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c4448f0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=372572 pid=78732 tcnt=0 stat=onproc flags process=1008 proc=2000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff800033008a80 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff800033009ca8,0xffff80003c495278 process=0xffff800039425d60 user=0xffff80003c440000, vmspace=0xfffffd806b8287c0 estcpu=36, cpticks=6, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 11519 448956 53445 0 2 0 syz-executor 87834 90882 22893 0 2 0 syz-executor 87834 201097 22893 0 2 0x4000000 syz-executor 26592 140887 88227 0 3 0x80 nanoslp syz-executor 26592 510382 88227 0 3 0x4000000 smrbar syz-executor 26592 437829 88227 0 3 0x4000080 fsleep syz-executor 26592 98089 88227 0 3 0x4000080 fsleep syz-executor 60038 148751 70775 0 3 0x80 nanoslp syz-executor 60038 264443 70775 0 3 0x4000080 bell syz-executor 60038 361933 70775 0 3 0x4000080 fsleep syz-executor 63637 279621 0 0 3 0x14200 acct acct 67270 123178 0 0 3 0x14280 nfsidl nfsio 77865 451480 0 0 3 0x14280 nfsidl nfsio 78951 422601 0 0 3 0x14280 nfsidl nfsio 72587 219853 0 0 3 0x14280 nfsidl nfsio 41612 284284 0 0 3 0x14280 nfsidl nfsio 9933 492463 0 0 3 0x14280 nfsidl nfsio 69288 203583 0 0 3 0x14280 nfsidl nfsio 52966 460610 0 0 3 0x14280 nfsidl nfsio 83550 512461 0 0 3 0x14280 nfsidl nfsio 67085 469402 0 0 3 0x14280 nfsidl nfsio 4921 213756 0 0 3 0x14280 nfsidl nfsio 84104 137039 0 0 3 0x14280 nfsidl nfsio 97263 68095 0 0 3 0x14280 nfsidl nfsio 13452 489879 0 0 3 0x14280 nfsidl nfsio 8670 323144 0 0 3 0x14280 nfsidl nfsio 54658 408309 0 0 3 0x14280 nfsidl nfsio 8052 297022 0 0 3 0x14280 nfsidl nfsio 14746 204037 0 0 3 0x14280 nfsidl nfsio 60736 220429 0 0 3 0x14280 nfsidl nfsio 34432 229052 0 0 3 0x14280 nfsidl nfsio 90810 164847 0 0 3 0x14200 bored sosplice 70775 263035 83370 0 3 0x82 nanoslp syz-executor 32233 482582 83370 0 3 0x82 wait syz-executor 53445 239807 83370 0 3 0x82 nanoslp syz-executor 67366 509110 83370 0 2 0x2 syz-executor 59066 76386 83370 0 3 0x82 nanoslp syz-executor 10033 133399 83370 0 3 0x2 biowait syz-executor 22893 168881 83370 0 3 0x82 nanoslp syz-executor 88227 136426 83370 0 3 0x82 nanoslp syz-executor 83370 465857 20357 0 2 0x2 syz-executor 20357 418274 36594 0 3 0x10008a sigsusp ksh 36594 375846 95437 0 3 0x98 kqread sshd-session 95437 307799 68586 0 3 0x92 kqread sshd-session 75308 214702 1 0 3 0x100083 ttyin getty 68586 123674 1 0 3 0x88 kqread sshd 51661 461741 19068 74 3 0x1100092 bpf pflogd 19068 250855 1 0 3 0x80 sbwait pflogd 13472 132410 25942 73 3 0x1100090 kqread syslogd 25942 393206 1 0 3 0x100082 sbwait syslogd 99137 424234 1 0 3 0x100080 kqread resolvd 28375 402566 24504 77 3 0x100092 kqread dhcpleased 83808 176222 24504 77 3 0x100092 kqread dhcpleased 24504 199865 1 0 3 0x80 kqread dhcpleased 80293 398808 0 0 3 0x14200 bored smr 63728 382902 0 0 2 0x14200 zerothread 81468 344450 0 0 3 0x14200 aiodoned aiodoned 49616 191299 0 0 3 0x14200 syncer update 95148 236946 0 0 3 0x14200 cleaner cleaner 7144 50028 0 0 7 0x14200 reaper 31087 246778 0 0 3 0x14200 pgdaemon pagedaemon 32195 437577 0 0 3 0x14200 bored viomb 12421 242422 0 0 3 0x40014200 acpi0 acpi0 33255 195385 0 0 3 0x40014200 idle1 4249 307563 0 0 3 0x14200 bored softnet7 11347 83055 0 0 3 0x14200 bored softnet6 52399 467081 0 0 3 0x14200 bored softnet5 70225 372692 0 0 3 0x14200 bored softnet4 38884 24003 0 0 3 0x14200 bored softnet3 5956 14442 0 0 3 0x14200 bored softnet2 71552 38028 0 0 3 0x14200 bored softnet1 10683 222227 0 0 3 0x14200 bored softnet0 32707 85250 0 0 3 0x14200 smrbar systqmp 4591 266805 0 0 3 0x14200 bored systq 44965 463890 0 0 3 0x14200 tmoslp softclockmp 22313 433116 0 0 3 0x40014200 tmoslp softclock 22164 215754 0 0 3 0x40014200 idle0 1 38032 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks CPU 1: exclusive mutex &cq->cq_mtx r = 0 (0xffffffff83784e08) #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+0x13b sys/kern/kern_lock.c:261 #3 clockintr_unbind+0x56 sys/kern/kern_clockintr.c:375 #4 dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:582 #5 dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] #5 dtclose+0x109 sys/dev/dt/dt_dev.c:232 #6 spec_close+0x466 sys/kern/spec_vnops.c:-1 #7 VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 #8 vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] #8 vn_closefile+0x12b sys/kern/vfs_vnops.c:615 #9 fdrop+0x121 sys/kern/kern_descrip.c:1280 #10 closef+0x192 sys/kern/kern_descrip.c:1264 #11 fdfree+0x116 sys/kern/kern_descrip.c:1195 #12 exit1+0x576 sys/kern/kern_exit.c:215 #13 sys_exit+0x1a sys/kern/kern_exit.c:-1 #14 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #14 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 #15 Xsyscall+0x128 Process 26592 (syz-executor) thread 0xffff80003c4942d8 (510382) exclusive rwlock clonelk r = 0 (0xffffffff837dee88) #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 if_clone_destroy+0x67 sys/net/if.c:-1 #3 ifioctl+0x59d sys/net/if.c:2066 #4 sys_ioctl+0x674 sys/kern/sys_generic.c:-1 #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 10033 (syz-executor) thread 0xffff80002a2b9ca0 (133399) exclusive rrwlock inode r = 0 (0xfffffd806e0a39e8) #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 ufs_ihashget+0x185 sys/ufs/ufs/ufs_ihash.c:98 #7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1203 #8 ufs_lookup+0x1a36 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x93a sys/kern/vfs_lookup.c:566 #11 namei+0x7ca sys/kern/vfs_lookup.c:250 #12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1868 #13 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806d2290d0) #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 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1868 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 #9 Xsyscall+0x128 Process 7144 (reaper) thread 0xffff8000ffffc538 (50028) exclusive rwlock kmmaplk r = 0 (0xffffffff839996a0) #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:5168 #3 uvm_unmap+0x7d sys/uvm/uvm_map.c:1792 #4 km_free+0x87 sys/uvm/uvm_km.c:831 #5 uvm_uarea_free+0x4f sys/uvm/uvm_glue.c:304 #6 reaper+0x1aa sys/kern/kern_exit.c:493 #7 proc_trampoline+0x10 Process 32707 (systqmp) thread 0xffff8000ffffecf8 (85250) shared rwlock systqmp r = 0 (0xffffffff83785768) #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{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10249 11131K 11332K 166960K 12182 0 pcb 18 14K 22K 166960K 212 0 rtable 157 6K 8K 166960K 388 0 pf 34 17K 21K 166960K 112 0 ifaddr 36 6K 7K 166960K 84 0 ifgroup 55 2K 2K 166960K 131 0 sysctl 3 1K 9K 166960K 12 0 counters 68 36K 37K 166960K 138 0 ioctlops 0 0K 4K 166960K 1664 0 iov 0 0K 28K 166960K 40 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1472 93K 93K 166960K 2396 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 14 0 VM map 2 1K 1K 166960K 2 0 sem 17 5K 5K 166960K 62 0 dirhash 12 2K 2K 166960K 24 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 93K 166960K 850 0 sigio 0 0K 0K 166960K 15 0 proc 72 115K 180K 166960K 602 0 subproc 72 4K 4K 166960K 73 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 106 0 in_multi 61 4K 7K 166960K 143 0 ether_multi 1 0K 0K 166960K 7 0 mrt 1 0K 0K 166960K 7 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 85 387K 387K 166960K 85 0 exec 0 0K 1K 166960K 486 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 2 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 234 167K 185K 166960K 9425 0 UVM aobj 4 2K 2K 166960K 4 0 pinsyscall 42 84K 100K 166960K 1943 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 41 0 NDP 12 0K 1K 166960K 52 0 temp 77 8652K 8720K 166960K 49831 0 kqueue 13 20K 29K 166960K 151 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 87 0 84 1 0 1 1 0 8 0 rtentry 176 122 0 61 5 0 5 5 0 8 0 unpcb 144 473 0 455 5 1 4 4 0 8 3 syncache 336 4 0 4 2 2 0 1 0 8 0 tcpcb 736 235 0 229 8 6 2 4 0 8 1 arp 128 16 0 5 1 0 1 1 0 8 0 inpcb 328 1032 0 1021 20 12 8 15 0 8 6 nd6 144 16 0 9 1 0 1 1 0 8 0 pkpcb 40 11 0 11 2 1 1 1 0 8 1 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1192 26 0 26 2 1 1 1 0 8 1 pppxif 1504 5 0 5 2 2 0 1 0 8 0 pffrag 232 7 0 2 1 0 1 1 0 482 0 pffrnode 88 6 0 2 1 0 1 1 0 8 0 pffrent 40 9 0 4 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 pfstitem 24 58 0 26 1 0 1 1 0 8 0 pfstkey 128 58 0 26 2 0 2 2 0 8 0 pfstate 384 58 0 26 5 0 5 5 0 8 0 pfrule 1344 24 0 19 2 1 1 2 0 8 0 art_heap8 4096 4 0 0 4 0 4 4 0 8 0 art_heap4 256 531 0 265 28 4 24 28 0 8 2 art_table 40 535 0 265 5 0 5 5 0 8 0 art_node 32 121 0 68 1 0 1 1 0 8 0 sysvmsgpl 40 3 0 3 1 1 0 1 0 8 0 semupl 112 3 0 3 3 2 1 1 0 8 1 semapl 112 55 0 40 1 0 1 1 0 8 0 shmpl 112 1 0 0 1 0 1 1 0 8 0 dirhash 1024 25 0 8 3 0 3 3 0 8 0 dino2pl 256 3182 0 1670 96 0 96 96 0 8 0 ffsino 296 3182 0 1670 118 0 118 118 0 8 0 nchpl 144 4395 0 2705 64 0 64 64 0 8 1 rtmask 32 4 0 4 2 1 1 1 0 8 1 uvmvnodes 80 3753 0 0 77 0 77 77 0 8 0 vnodes 216 3753 0 0 209 0 209 209 0 8 0 namei 1024 15322 0 15322 1 0 1 1 0 8 1 percpumem 16 84 0 35 1 0 1 1 0 8 0 kstatmem 264 74 0 48 4 1 3 3 0 8 1 scsiplug 72 2 0 2 2 1 1 1 0 8 1 scxspl 216 14264 0 14263 10 9 1 8 1 8 0 plimitpl 152 312 0 294 1 0 1 1 0 8 0 sigapl 424 1180 0 1105 9 0 9 9 0 8 0 knotepl 120 401 0 0 13 0 13 13 0 8 0 kqueuepl 224 325 0 315 5 4 1 5 0 8 0 pipepl 344 229 0 202 9 6 3 9 0 8 0 fdescpl 528 1134 0 1103 3 0 3 3 0 8 0 filepl 160 7877 0 7551 25 9 16 19 0 8 2 lockfpl 104 495 0 426 3 1 2 2 0 8 0 lockfspl 48 142 0 139 1 0 1 1 0 8 0 sessionpl 144 23 0 14 1 0 1 1 0 8 0 pgrppl 48 40 0 23 1 0 1 1 0 8 0 ucredpl 104 1903 0 1887 1 0 1 1 0 8 0 zombiepl 144 1108 0 1105 1 0 1 1 0 8 0 processpl 1248 1180 0 1105 6 0 6 6 0 8 0 procpl 664 2473 0 2391 9 1 8 8 0 8 0 sosppl 168 4 0 4 1 1 0 1 0 8 0 sockpl 752 1754 0 1722 25 14 11 20 0 8 7 mcl64k 65536 4 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 131 0 0 17 0 17 17 0 8 0 mcl2k 2048 21 0 0 3 0 3 3 0 8 0 mtagpl 96 11 0 0 1 0 1 1 0 8 0 mbufpl 256 1179 0 0 73 0 73 73 0 8 0 bufpl 280 6021 0 125 422 0 422 422 0 8 0 anonpl 32 7656 0 0 62 0 62 62 0 246 0 amapchunkpl 152 31492 0 31020 38 9 29 29 0 158 9 amappl16 200 3934 0 3904 36 23 13 15 0 8 8 amappl15 192 5 0 5 1 1 0 1 0 8 0 amappl14 184 116 0 103 1 0 1 1 0 8 0 amappl13 176 10 0 10 2 2 0 1 0 8 0 amappl12 168 1785 0 1754 4 1 3 3 0 8 0 amappl11 160 71 0 57 1 0 1 1 0 8 0 amappl10 152 4 0 4 2 2 0 1 0 8 0 amappl9 144 269 0 269 1 1 0 1 0 8 0 amappl8 136 21 0 18 1 0 1 1 0 8 0 amappl7 128 105 0 93 1 0 1 1 0 8 0 amappl6 120 192 0 187 1 0 1 1 0 8 0 amappl5 112 125 0 114 1 0 1 1 0 8 0 amappl4 104 298 0 278 1 0 1 1 0 8 0 amappl3 96 6178 0 6070 5 1 4 4 0 8 0 amappl2 88 648 0 586 2 0 2 2 0 8 0 amappl1 80 11597 0 10987 16 2 14 15 0 8 0 amappl 88 8615 0 8454 5 0 5 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 9 0 9 2 1 1 1 0 8 1 dma128 128 255 0 255 3 2 1 1 0 8 1 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 3 0 0 1 0 1 1 0 8 0 uaddrrnd 24 1134 0 1103 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1134 0 1103 1 0 1 1 0 8 0 vmmpekpl 168 11046 0 11007 3 0 3 3 0 8 0 vmmpepl 168 76786 0 74796 110 9 101 102 0 357 10 vmsppl 488 1133 0 1103 5 1 4 5 0 8 0 rwobjpl 80 25981 0 21290 99 1 98 98 0 8 1 pdppl 4096 2276 0 2206 102 30 72 86 0 8 2 pvpl 32 17106 0 0 140 2 138 138 0 265 0 pmappl 256 1133 0 1103 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 347 0 44 9 0 9 9 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp ddb{0}> trace x86_ipi_db(ffffffff83783ff0) 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 mtx_enter(ffffffff83784df8) at mtx_enter+0xd2 sys/kern/kern_lock.c:264 clockintr_dispatch(ffff80002a268260) at clockintr_dispatch+0x3b1 sys/kern/kern_clockintr.c:215 lapic_clockintr(0,0) at lapic_clockintr+0x51 sys/arch/amd64/amd64/lapic.c:484 Xresume_lapic_ltimer() at Xresume_lapic_ltimer+0x2a __mp_lock(ffffffff8391b270) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff8391b270) at __mp_lock+0x1a3 sys/kern/kern_lock.c:165 intr_handler(ffff80002a2683c0,ffff800000079a80) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:559 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f Xspllower() at Xspllower+0x1d pmap_tlb_shootrange(ffffffff838f8410,ffff80003c48e000,ffff80003c494000,1) at pmap_tlb_shootrange+0x428 sys/arch/amd64/amd64/pmap.c:3303 pmap_do_remove(ffffffff838f8410,ffff80003c48e000,ffff80003c494000,0) at pmap_do_remove+0x6ae pmap_map_ptes sys/arch/amd64/amd64/pmap.c:427 [inline] pmap_do_remove(ffffffff838f8410,ffff80003c48e000,ffff80003c494000,0) at pmap_do_remove+0x6ae sys/arch/amd64/amd64/pmap.c:1824 uvm_unmap_kill_entry_withlock(ffffffff839995a0,fffffd806a6374a8,1) at uvm_unmap_kill_entry_withlock+0x269 sys/uvm/uvm_map.c:1863 uvm_unmap_remove(ffffffff839995a0,ffff80003c48e000,ffff80003c494000,ffff80002a268768,0,1,571133975a35b3ad) at uvm_unmap_remove+0x6b2 sys/uvm/uvm_map.c:2002 uvm_unmap(ffffffff839995a0,ffff80003c48e000,ffff80003c494000) at uvm_unmap+0xa7 vm_map_unlock_ln sys/uvm/uvm_map.c:-1 [inline] uvm_unmap(ffffffff839995a0,ffff80003c48e000,ffff80003c494000) at uvm_unmap+0xa7 sys/uvm/uvm_map.c:1793 km_free(ffff80003c48e000,6000,ffffffff83597e40,ffffffff836cbcb0) at km_free+0x87 sys/uvm/uvm_km.c:831 uvm_uarea_free(ffff80003c459250) at uvm_uarea_free+0x4f sys/uvm/uvm_glue.c:304 reaper(ffff8000ffffc538) at reaper+0x1aa sys/kern/kern_exit.c:493 end trace frame: 0x0, count: -19 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x25: addq $0x8,%rsp ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 witness_checkorder(ffffffff838f5898,9,0) at witness_checkorder+0x10b9 sys/kern/subr_witness.c:-1 mtx_enter(ffffffff838f5888) at mtx_enter+0x4a sys/kern/kern_lock.c:260 sleep_setup(ffffffff83784e58,220,ffffffff833f4a85) at sleep_setup+0xc6 sys/kern/kern_synch.c:302 msleep_nsec(ffffffff83784e58,ffffffff83784df8,220,ffffffff833f4a85,ffffffffffffffff) at msleep_nsec+0x10b sys/kern/kern_synch.c:217 dt_ioctl_record_stop(ffff80000147c000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:582 dtclose(21e5f,81,2000,ffff800033008a80) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(21e5f,81,2000,ffff800033008a80) at dtclose+0x109 sys/dev/dt/dt_dev.c:232 spec_close(ffff80003c444bf0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805e7b28d0,81,fffffd80097fb478,ffff800033008a80) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806a29a3e0,ffff800033008a80) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806a29a3e0,ffff800033008a80) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806a29a3e0,ffff800033008a80) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806a29a3e0,ffff800033008a80) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff800033008a80) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff800033008a80,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff800033008a80,ffff80003c444f60,ffff80003c444eb0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c444f60) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c444f60) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x791bda1d9010, count: -17