¹j¼õ¬|ÿ ž¨E1\…:witness: lock order reversal: 1st 0xffffffff837dde08 &cq->cq_mtx (&cq->cq_mtx) 2nd 0xffffffff83959c10 &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:1267 #9 closef+0x192 sys/kern/kern_descrip.c:1251 #10 fdfree+0x116 sys/kern/kern_descrip.c:1182 #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:377 #3 sleep_finish+0x2d8 sys/kern/kern_synch.c:367 #4 sys_futex+0xa99 futex_wait sys/kern/sys_futex.c:301 [inline] #4 sys_futex+0xa99 sys/kern/sys_futex.c:151 #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 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(ffffffff83959c10,9,0) at witness_checkorder+0x10b9 sys/kern/subr_witness.c:-1 mtx_enter(ffffffff83959c00) at mtx_enter+0x4a sys/kern/kern_lock.c:260 sleep_setup(ffffffff837dde58,220,ffffffff833ee8d0) at sleep_setup+0xc6 sys/kern/kern_synch.c:302 msleep_nsec(ffffffff837dde58,ffffffff837dddf8,220,ffffffff833ee8d0,ffffffffffffffff) at msleep_nsec+0x10b sys/kern/kern_synch.c:217 dt_ioctl_record_stop(ffff800001481000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:582 dtclose(21e5f,81,2000,ffff80003c4caf98) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(21e5f,81,2000,ffff80003c4caf98) at dtclose+0x109 sys/dev/dt/dt_dev.c:232 spec_close(ffff800037c2d7d0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805c6142c0,81,fffffd80097fb548,ffff80003c4caf98) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806b65e720,ffff80003c4caf98) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806b65e720,ffff80003c4caf98) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806b65e720,ffff80003c4caf98) at fdrop+0x121 sys/kern/kern_descrip.c:1267 closef(fffffd806b65e720,ffff80003c4caf98) at closef+0x192 sys/kern/kern_descrip.c:1251 fdfree(ffff80003c4caf98) at fdfree+0x116 sys/kern/kern_descrip.c:1182 exit1(ffff80003c4caf98,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80003c4caf98,ffff800037c2db40,ffff800037c2da90) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff800037c2db40) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800037c2db40) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7e9c8052e650, count: -17 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff800037c2d4e0 rbx 0 rdx 0 rcx 0xffff80003c4caf98 rax 0xffff8000299edff0 r8 0xffff800037c2d3c0 r9 0x8080808080808080 r10 0x6fbaae29b96a0377 r11 0x3697d9c599ea56e r12 0xfffffd8003ef9dc0 r13 0xfffffd80046e7a28 r14 0x3 r15 0xffffffff833d692b substchar+0x16f2 rip 0xffffffff82d05ed5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff800037c2d4d0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=228371 pid=47384 tcnt=0 stat=onproc flags process=1008 proc=2000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff80003c4caf98 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff80003c4cbc68,0xffff80003c4cb238 process=0xffff800035025880 user=0xffff800037c28000, vmspace=0xfffffd806ef32990 estcpu=36, cpticks=5, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 58153 51886 65693 0 7 0 syz-executor 44434 382265 74724 0 2 0 syz-executor 44434 520572 74724 0 2 0x4000000 syz-executor 51411 227947 16482 0 2 0 syz-executor 51411 17904 16482 0 3 0x4000080 fsleep syz-executor 44696 347519 21397 0 3 0x80 nanoslp syz-executor 44696 767 21397 0 3 0x4000080 ttyout syz-executor 44696 203077 21397 0 3 0x4000080 fsleep syz-executor 44696 437474 21397 0 3 0x4000080 fsleep syz-executor 6687 38658 30241 0 3 0x80 nanoslp syz-executor 6687 110594 30241 0 3 0x4000080 sbwait syz-executor 6687 83617 30241 0 3 0x4000080 fsleep syz-executor 20823 50325 0 0 3 0x14280 nfsidl nfsio 18750 402514 0 0 3 0x14280 nfsidl nfsio 27047 89154 0 0 3 0x14280 nfsidl nfsio 25753 52710 0 0 3 0x14280 nfsidl nfsio 5532 417307 0 0 3 0x14280 nfsidl nfsio 89694 55857 0 0 3 0x14280 nfsidl nfsio 92904 379267 0 0 3 0x14280 nfsidl nfsio 70744 222683 0 0 3 0x14280 nfsidl nfsio 6187 29195 0 0 3 0x14280 nfsidl nfsio 99136 471721 0 0 3 0x14280 nfsidl nfsio 7012 468767 0 0 3 0x14280 nfsidl nfsio 23907 318481 0 0 3 0x14280 nfsidl nfsio 18402 398499 0 0 3 0x14280 nfsidl nfsio 81002 421675 0 0 3 0x14280 nfsidl nfsio 60397 202893 0 0 3 0x14280 nfsidl nfsio 36869 223745 0 0 3 0x14280 nfsidl nfsio 26375 162579 0 0 3 0x14280 nfsidl nfsio 50968 211445 0 0 3 0x14280 nfsidl nfsio 29694 345228 0 0 3 0x14280 nfsidl nfsio 71951 274384 0 0 3 0x14280 nfsidl nfsio 24726 461362 0 0 3 0x14200 bored sosplice 8752 97539 61414 0 3 0x82 nanoslp syz-executor 65693 496315 61414 0 3 0x82 nanoslp syz-executor 60214 326561 61414 0 3 0x2 biowait syz-executor 74724 151132 61414 0 3 0x82 nanoslp syz-executor 21397 491631 61414 0 3 0x82 nanoslp syz-executor 16482 325896 61414 0 3 0x82 nanoslp syz-executor 30241 517992 61414 0 3 0x82 nanoslp syz-executor 61414 289190 21823 0 2 0x10000002 syz-executor 21823 520431 44874 0 3 0x10008a sigsusp ksh 44874 362051 37842 0 3 0x98 kqread sshd-session 37842 392081 65585 0 3 0x92 kqread sshd-session 64388 291588 1 0 3 0x100083 ttyin getty 65585 206986 1 0 3 0x88 kqread sshd 47657 325332 63128 74 3 0x1100092 bpf pflogd 63128 213718 1 0 3 0x80 sbwait pflogd 4397 114307 4322 73 3 0x1100090 kqread syslogd 4322 106683 1 0 3 0x100082 sbwait syslogd 27888 280693 1 0 3 0x100080 kqread resolvd 78528 296537 35666 77 3 0x100092 kqread dhcpleased 51549 492806 35666 77 3 0x100092 kqread dhcpleased 35666 314101 1 0 3 0x80 kqread dhcpleased 37457 158752 0 0 3 0x14200 pause smr 29015 512337 0 0 2 0x14200 zerothread 46775 346635 0 0 3 0x14200 aiodoned aiodoned 30328 138238 0 0 3 0x14200 syncer update 15292 388601 0 0 3 0x14200 cleaner cleaner 53040 502123 0 0 3 0x14200 reaper reaper 91461 346133 0 0 3 0x14200 pgdaemon pagedaemon 13534 221468 0 0 3 0x14200 bored viomb 83477 329335 0 0 3 0x40014200 acpi0 acpi0 29709 235938 0 0 3 0x40014200 idle1 78837 160619 0 0 3 0x14200 bored softnet7 3016 140487 0 0 3 0x14200 bored softnet6 85455 38977 0 0 3 0x14200 bored softnet5 36269 512560 0 0 3 0x14200 bored softnet4 7746 97394 0 0 3 0x14200 bored softnet3 38737 476302 0 0 3 0x14200 bored softnet2 24586 385972 0 0 3 0x14200 bored softnet1 17506 31942 0 0 3 0x14200 bored softnet0 77369 448052 0 0 3 0x14200 smrbar systqmp 68044 260896 0 0 3 0x14200 bored systq 72723 81047 0 0 3 0x14200 tmoslp softclockmp 94330 180506 0 0 3 0x40014200 tmoslp softclock 21429 410388 0 0 3 0x40014200 idle0 1 524087 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 (0xffffffff837dde08) #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:1267 #10 closef+0x192 sys/kern/kern_descrip.c:1251 #11 fdfree+0x116 sys/kern/kern_descrip.c:1182 #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 58153 (syz-executor) thread 0xffff80003c4ca038 (51886) shared rwlock vmmaplk r = 0 (0xfffffd805f22a6e0) #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:1924 #3 uvm_fault_check+0x4a sys/uvm/uvm_fault.c:741 #4 uvm_fault+0x106 sys/uvm/uvm_fault.c:677 #5 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #6 usertrap+0x3c6 sys/arch/amd64/amd64/trap.c:605 #7 recall_trap+0x8 Process 60214 (syz-executor) thread 0xffff8000ffff27c0 (326561) exclusive rrwlock inode r = 0 (0xfffffd806e99db58) #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 ffs_inode_alloc+0x279 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0xfc sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x101 sys/kern/vfs_vops.c:394 #9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3109 #10 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd80781568e8) #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 domkdirat+0x8b sys/kern/vfs_syscalls.c:3094 #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 77369 (systqmp) thread 0xffff8000ffffe520 (448052) shared rwlock systqmp r = 0 (0xffffffff837ed848) #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 10221 11041K 11495K 166960K 11765 0 pcb 17 13K 14K 166960K 139 0 rtable 189 7K 8K 166960K 335 0 pf 33 17K 21K 166960K 77 0 ifaddr 38 6K 8K 166960K 61 0 ifgroup 51 2K 2K 166960K 83 0 sysctl 3 1K 9K 166960K 7 0 counters 66 36K 37K 166960K 102 0 ioctlops 0 0K 4K 166960K 1602 0 iov 0 0K 32K 166960K 54 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1343 85K 85K 166960K 1655 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 12 0K 0K 166960K 16 0 dirhash 12 2K 3K 166960K 18 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 15 53K 240K 166960K 545 0 sigio 0 0K 0K 166960K 3 0 proc 72 115K 180K 166960K 566 0 subproc 63 3K 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 64 0 in_multi 87 6K 7K 166960K 117 0 ether_multi 1 0K 0K 166960K 1 0 mrt 1 0K 0K 166960K 6 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 145 652K 652K 166960K 145 0 exec 0 0K 1K 166960K 438 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 214 154K 177K 166960K 6505 0 UVM aobj 37 2K 2K 166960K 39 0 pinsyscall 40 80K 104K 166960K 1639 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 24 0 NDP 11 0K 2K 166960K 38 0 temp 40 8640K 8715K 166960K 28598 0 kqueue 13 20K 28K 166960K 98 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 62 0 59 1 0 1 1 0 8 0 rtentry 176 109 0 32 5 0 5 5 0 8 0 unpcb 144 259 0 240 2 1 1 2 0 8 0 syncache 336 7 0 7 2 1 1 1 0 8 1 tcpcb 736 119 0 114 2 0 2 2 0 8 1 arp 128 13 0 3 1 0 1 1 0 8 0 ipq 40 1 0 1 1 0 1 1 0 8 1 ipqe 40 3 0 3 1 0 1 1 0 8 1 inpcb 328 418 0 409 4 2 2 4 0 8 0 nd6 144 16 0 2 1 0 1 1 0 8 0 pkpcb 40 9 0 9 1 1 0 1 0 8 0 kcovpl 48 8 0 1 1 0 1 1 0 8 0 ppxss 1192 15 0 15 2 1 1 1 0 8 1 pppxif 1504 1 0 1 1 0 1 1 0 8 1 pfstscr 40 2 0 2 1 1 0 1 0 8 0 pffrag 232 2 0 0 1 0 1 1 0 482 0 pffrnode 88 2 0 0 1 0 1 1 0 8 0 pffrent 40 2 0 0 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 1 0 0 1 0 1 1 0 8 0 pfstitem 24 36 0 6 1 0 1 1 0 8 0 pfstkey 128 37 0 7 2 0 2 2 0 8 0 pfstate 384 37 0 7 4 0 4 4 0 8 0 pfrule 1344 22 0 17 2 1 1 2 0 8 0 rttmr 136 1 0 1 1 1 0 1 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 510 0 125 30 2 28 30 0 8 2 art_table 40 512 0 125 5 0 5 5 0 8 0 art_node 32 109 0 41 1 0 1 1 0 8 0 sysvmsgpl 40 3 0 3 2 1 1 1 0 8 1 semapl 112 14 0 4 1 0 1 1 0 8 0 shmpl 112 36 0 2 1 0 1 1 0 8 0 dirhash 1024 21 0 4 3 0 3 3 0 8 0 dino2pl 256 2276 0 773 96 1 95 96 0 8 0 ffsino 296 2276 0 773 118 1 117 118 0 8 0 nchpl 144 2995 0 1306 64 0 64 64 0 8 0 rtmask 32 2 0 2 1 1 0 1 0 8 0 uvmvnodes 80 2513 0 0 52 0 52 52 0 8 0 vnodes 216 2513 0 0 140 0 140 140 0 8 0 namei 1024 10020 0 10019 2 1 1 2 0 8 0 percpumem 16 66 0 18 1 0 1 1 0 8 0 kstatmem 264 46 0 22 4 1 3 3 0 8 1 scsiplug 72 1 0 1 1 0 1 1 0 8 1 scxspl 216 22846 0 22845 6 5 1 4 1 8 0 plimitpl 152 212 0 194 1 0 1 1 0 8 0 sigapl 424 845 0 772 9 0 9 9 0 8 0 knotepl 120 528 0 0 16 0 16 16 0 8 0 kqueuepl 224 181 0 171 3 2 1 3 0 8 0 pipepl 344 133 0 106 3 0 3 3 0 8 0 fdescpl 528 801 0 772 3 0 3 3 0 8 0 filepl 160 4195 0 3992 14 0 14 14 0 8 3 lockfpl 104 197 0 195 1 0 1 1 0 8 0 lockfspl 48 86 0 84 1 0 1 1 0 8 0 sessionpl 144 25 0 16 1 0 1 1 0 8 0 pgrppl 48 42 0 25 1 0 1 1 0 8 0 ucredpl 104 562 0 548 1 0 1 1 0 8 0 zombiepl 144 774 0 772 1 0 1 1 0 8 0 processpl 1248 845 0 772 6 0 6 6 0 8 0 procpl 656 1489 0 1409 8 0 8 8 0 8 0 sosppl 168 1 0 1 1 0 1 1 0 8 1 sockpl 752 757 0 726 8 3 5 7 0 8 0 mcl64k 65536 2 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 121 0 0 16 0 16 16 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 20 0 0 3 0 3 3 0 8 0 mtagpl 96 16 0 0 1 0 1 1 0 8 0 mbufpl 256 180 0 0 11 0 11 11 0 8 0 bufpl 280 10279 0 4136 439 0 439 439 0 8 0 anonpl 32 12232 0 0 99 0 99 99 0 246 0 amapchunkpl 152 32395 0 31985 40 15 25 37 0 158 3 amappl16 200 3778 0 3749 46 34 12 29 0 8 8 amappl15 192 4 0 4 1 1 0 1 0 8 0 amappl14 184 121 0 109 1 0 1 1 0 8 0 amappl13 176 4 0 4 1 1 0 1 0 8 0 amappl12 168 1462 0 1434 3 1 2 2 0 8 0 amappl11 160 51 0 37 1 0 1 1 0 8 0 amappl10 152 11 0 11 1 1 0 1 0 8 0 amappl9 144 254 0 253 1 0 1 1 0 8 0 amappl8 136 31 0 29 1 0 1 1 0 8 0 amappl7 128 112 0 100 1 0 1 1 0 8 0 amappl6 120 182 0 179 1 0 1 1 0 8 0 amappl5 112 119 0 109 1 0 1 1 0 8 0 amappl4 104 325 0 304 1 0 1 1 0 8 0 amappl3 96 3872 0 3778 5 1 4 4 0 8 0 amappl2 88 670 0 607 2 0 2 2 0 8 0 amappl1 80 10442 0 9859 15 0 15 15 0 8 1 amappl 88 5722 0 5580 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 6 0 6 1 1 0 1 0 8 0 dma128 128 253 0 253 1 1 0 1 0 8 0 dma64 64 7 0 7 2 2 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 38 0 2 1 0 1 1 0 8 0 uaddrrnd 24 801 0 772 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 801 0 772 1 0 1 1 0 8 0 vmmpekpl 168 8218 0 8176 2 0 2 2 0 8 0 vmmpepl 168 58222 0 56359 114 8 106 109 0 357 13 vmsppl 488 800 0 772 6 1 5 5 0 8 1 rwobjpl 80 21475 0 18042 78 2 76 76 0 8 0 pdppl 4096 1610 0 1544 114 42 72 86 0 8 6 pvpl 32 19596 0 0 160 1 159 159 0 265 0 pmappl 256 800 0 772 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 290 0 49 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp ddb{0}> trace x86_ipi_db(ffffffff837dcff0) 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(ffffffff837dddf8) at mtx_enter+0xd2 sys/kern/kern_lock.c:264 clockintr_dispatch(ffff80003381b6a0) at clockintr_dispatch+0x3b1 sys/kern/kern_clockintr.c:215 lapic_clockintr(0,4000000000000000) at lapic_clockintr+0x51 sys/arch/amd64/amd64/lapic.c:489 Xresume_lapic_ltimer() at Xresume_lapic_ltimer+0x2a Xspllower() at Xspllower+0x1d rw_do_enter_write(fffffd806d36c998,1) at rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234 uvm_fault_lower_lookup(ffff80003381ba80,ffff80003381bab8,ffff80003381ba00) at uvm_fault_lower_lookup+0x53 sys/uvm/uvm_fault.c:1236 uvm_fault_lower(ffff80003381ba80,ffff80003381bab8,ffff80003381ba00) at uvm_fault_lower+0x89 sys/uvm/uvm_fault.c:1370 uvm_fault(fffffd805f22a5e0,5c65b11b000,0,4) at uvm_fault+0x274 sys/uvm/uvm_fault.c:-1 upageflttrap(ffff80003381bc10,5c65b11b580) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 usertrap(ffff80003381bc10) at usertrap+0x3c6 sys/arch/amd64/amd64/trap.c:605 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x70c120fb6770, count: -15 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(ffffffff83959c10,9,0) at witness_checkorder+0x10b9 sys/kern/subr_witness.c:-1 mtx_enter(ffffffff83959c00) at mtx_enter+0x4a sys/kern/kern_lock.c:260 sleep_setup(ffffffff837dde58,220,ffffffff833ee8d0) at sleep_setup+0xc6 sys/kern/kern_synch.c:302 msleep_nsec(ffffffff837dde58,ffffffff837dddf8,220,ffffffff833ee8d0,ffffffffffffffff) at msleep_nsec+0x10b sys/kern/kern_synch.c:217 dt_ioctl_record_stop(ffff800001481000) at dt_ioctl_record_stop+0xbc sys/dev/dt/dt_dev.c:582 dtclose(21e5f,81,2000,ffff80003c4caf98) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(21e5f,81,2000,ffff80003c4caf98) at dtclose+0x109 sys/dev/dt/dt_dev.c:232 spec_close(ffff800037c2d7d0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805c6142c0,81,fffffd80097fb548,ffff80003c4caf98) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806b65e720,ffff80003c4caf98) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806b65e720,ffff80003c4caf98) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806b65e720,ffff80003c4caf98) at fdrop+0x121 sys/kern/kern_descrip.c:1267 closef(fffffd806b65e720,ffff80003c4caf98) at closef+0x192 sys/kern/kern_descrip.c:1251 fdfree(ffff80003c4caf98) at fdfree+0x116 sys/kern/kern_descrip.c:1182 exit1(ffff80003c4caf98,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80003c4caf98,ffff800037c2db40,ffff800037c2da90) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff800037c2db40) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800037c2db40) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7e9c8052e650, count: -17