uvm_fault(0xfffffd806b80db90, 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 460246 93889 0 0x2 0 0 syz-executor dt_ioctl_record_stop(ffff800001497000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:586 dtclose(21e5f,1,2000,ffff80003c4639d8) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(21e5f,1,2000,ffff80003c4639d8) at dtclose+0x109 sys/dev/dt/dt_dev.c:232 spec_close(ffff80002a3accd0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd807071fb58,1,fffffd80097fb1a0,ffff80003c4639d8) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806b39fea8,ffff80003c4639d8) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806b39fea8,ffff80003c4639d8) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806b39fea8,ffff80003c4639d8) at fdrop+0x121 sys/kern/kern_descrip.c:1267 closef(fffffd806b39fea8,ffff80003c4639d8) at closef+0x192 sys/kern/kern_descrip.c:1251 fdfree(ffff80003c4639d8) at fdfree+0x116 sys/kern/kern_descrip.c:1182 exit1(ffff80003c4639d8,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80003c4639d8,ffff80002a3ad040,ffff80002a3acf90) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80002a3ad040) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a3ad040) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7e74b1fc36b0, 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(0xfffffd806b80db90, 0x0, 0, 1) -> e ddb{1}> trace dt_ioctl_record_stop(ffff800001497000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:586 dtclose(21e5f,1,2000,ffff80003c4639d8) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(21e5f,1,2000,ffff80003c4639d8) at dtclose+0x109 sys/dev/dt/dt_dev.c:232 spec_close(ffff80002a3accd0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd807071fb58,1,fffffd80097fb1a0,ffff80003c4639d8) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806b39fea8,ffff80003c4639d8) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806b39fea8,ffff80003c4639d8) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806b39fea8,ffff80003c4639d8) at fdrop+0x121 sys/kern/kern_descrip.c:1267 closef(fffffd806b39fea8,ffff80003c4639d8) at closef+0x192 sys/kern/kern_descrip.c:1251 fdfree(ffff80003c4639d8) at fdfree+0x116 sys/kern/kern_descrip.c:1182 exit1(ffff80003c4639d8,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80003c4639d8,ffff80002a3ad040,ffff80002a3acf90) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80002a3ad040) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a3ad040) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7e74b1fc36b0, count: -12 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff80002a3acc00 rbx 0x1 rdx 0 rcx 0xffff80003c4639d8 rax 0xffffffff8377f4c8 dt_prov_syscall r8 0 r9 0x1 r10 0x5241cde580fc0cc r11 0x86330398c4e8029d r12 0 r13 0 r14 0 r15 0xffff8000014b3800 rip 0xffffffff823896a8 dt_ioctl_record_stop+0x108 cs 0x8 rflags 0x10207 __ALIGN_SIZE+0xf207 rsp 0xffff80002a3acbd0 ss 0x10 dt_ioctl_record_stop+0x108: movq 0(%r14),%r14 ddb{1}> show proc PROC (syz-executor) tid=332037 pid=54059 tcnt=0 stat=onproc flags process=1008 proc=2000 runpri=32, usrpri=83, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff80003c4639d8 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff80003c462a78,0xffff80003c462568 process=0xffff80003c4b8508 user=0xffff80002a3a8000, vmspace=0xfffffd806b80db90 estcpu=33, cpticks=5, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 77070 310868 47370 0 2 0 syz-executor 77070 518800 47370 0 3 0x4000080 fsleep syz-executor 39558 76876 48519 0 2 0 syz-executor 39558 307161 48519 0 3 0x4000080 fsleep syz-executor 65109 138593 20403 0 2 0 syz-executor 65109 392028 20403 0 3 0x4000080 fsleep syz-executor 65109 157998 20403 0 3 0x4000080 fsleep syz-executor 65109 383096 20403 0 3 0x4000080 fsleep syz-executor 80213 466550 86738 0 3 0x3000 suspend syz-executor 80213 385172 86738 0 2 0x4081000 syz-executor 80213 520159 86738 0 3 0x4081000 inode syz-executor 36623 176529 60516 0 3 0x82 nanoslp syz-executor 23752 308349 1 0 3 0x100083 ttyopn getty 34999 33785 0 0 3 0x14200 acct acct 96208 174959 0 0 3 0x14200 bored sosplice 76512 418536 60516 0 3 0x2 biowait syz-executor 20403 297754 60516 0 3 0x82 nanoslp syz-executor 93889 460246 60516 0 7 0x2 syz-executor 48519 332387 60516 0 3 0x82 nanoslp syz-executor 14772 435846 60516 0 3 0x82 nanoslp syz-executor 47370 265643 60516 0 3 0x82 nanoslp syz-executor 86738 194563 60516 0 3 0x82 wait syz-executor 60516 388485 10486 0 3 0x82 nanoslp syz-executor 10486 75936 75168 0 3 0x10008a sigsusp ksh 75168 287109 58985 0 3 0x98 kqread sshd-session 58985 505147 29831 0 3 0x92 kqread sshd-session 29831 148270 1 0 3 0x88 kqread sshd 41635 6492 52740 74 3 0x1100092 bpf pflogd 52740 180403 1 0 3 0x80 sbwait pflogd 86156 106819 44831 73 3 0x1100090 kqread syslogd 44831 189099 1 0 3 0x100082 sbwait syslogd 96717 26960 1 0 3 0x100080 kqread resolvd 72699 184102 86765 77 3 0x100092 kqread dhcpleased 60404 319349 86765 77 3 0x100092 kqread dhcpleased 86765 508608 1 0 3 0x80 kqread dhcpleased 59044 444073 0 0 3 0x14200 bored smr 89186 224981 0 0 3 0x14200 pgzero zerothread 9297 104019 0 0 3 0x14200 aiodoned aiodoned 70134 431514 0 0 3 0x14200 syncer update 48288 8208 0 0 3 0x14200 cleaner cleaner 237 479351 0 0 2 0x14200 reaper 20302 338060 0 0 3 0x14200 pgdaemon pagedaemon 80909 330025 0 0 3 0x14200 bored viomb 33900 508373 0 0 3 0x40014200 acpi0 acpi0 17027 53454 0 0 3 0x40014200 idle1 73217 92551 0 0 3 0x14200 bored softnet7 59567 282637 0 0 3 0x14200 bored softnet6 52689 186646 0 0 3 0x14200 bored softnet5 35319 32898 0 0 3 0x14200 bored softnet4 80870 490659 0 0 3 0x14200 bored softnet3 1406 452560 0 0 3 0x14200 bored softnet2 69151 508050 0 0 3 0x14200 bored softnet1 96550 407893 0 0 3 0x14200 bored softnet0 40682 453042 0 0 3 0x14200 bored systqmp 84745 155709 0 0 3 0x14200 bored systq 15283 357904 0 0 3 0x14200 tmoslp softclockmp 46291 507645 0 0 3 0x40014200 tmoslp softclock 23210 405870 0 0 3 0x40014200 idle0 1 74407 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks Process 80213 (syz-executor) thread 0xffff8000ffff3490 (385172) exclusive rrwlock inode r = 0 (0xfffffd806ea10240) #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 80213 (syz-executor) thread 0xffff80003600a7f0 (520159) exclusive rrwlock inode r = 0 (0xfffffd806b9496a8) #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 vn_open+0x15a sys/kern/vfs_vnops.c:140 #8 doopenat+0x35b sys/kern/vfs_syscalls.c:1137 #9 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #9 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 #10 Xsyscall+0x128 Process 76512 (syz-executor) thread 0xffff8000ffff39b0 (418536) exclusive rrwlock inode r = 0 (0xfffffd806e1cec98) #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:1864 #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 (0xfffffd806c0eb328) #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:1864 #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 93889 (syz-executor) thread 0xffff8000ffff2f70 (460246) exclusive rwlock vmmaplk r = 0 (0xfffffd806fd8f110) #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 uvmspace_fork+0x12b sys/uvm/uvm_map.c:3738 #4 process_new+0x577 sys/kern/kern_fork.c:284 #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:748 #7 Xsyscall+0x128 exclusive rwlock vmmaplk r = 0 (0xfffffd800b027a88) #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 uvmspace_fork+0x44 sys/uvm/uvm_map.c:3729 #4 process_new+0x577 sys/kern/kern_fork.c:284 #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:748 #7 Xsyscall+0x128 Process 237 (reaper) thread 0xffff8000ffffc7b8 (479351) exclusive rwlock kmmaplk r = 0 (0xffffffff83914dc8) #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 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10234 11053K 11709K 166960K 11967 0 pcb 20 14K 14K 166960K 192 0 rtable 148 7K 8K 166960K 426 0 pf 28 16K 18K 166960K 105 0 ifaddr 29 5K 7K 166960K 83 0 ifgroup 43 2K 2K 166960K 122 0 sysctl 4 1K 9K 166960K 14 0 counters 62 36K 37K 166960K 142 0 ioctlops 0 0K 4K 166960K 1616 0 iov 0 0K 32K 166960K 51 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1364 86K 86K 166960K 1923 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 13 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 43 0 dirhash 12 2K 2K 166960K 15 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 85K 166960K 946 0 sigio 0 0K 0K 166960K 47 0 proc 72 115K 180K 166960K 668 0 subproc 72 4K 4K 166960K 81 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 141 0 in_multi 56 4K 7K 166960K 143 0 ether_multi 1 0K 0K 166960K 6 0 mrt 1 0K 0K 166960K 2 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 253 1129K 1129K 166960K 253 0 exec 0 0K 1K 166960K 460 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 159K 177K 166960K 10721 0 UVM aobj 23 2K 2K 166960K 25 0 pinsyscall 42 84K 103K 166960K 2093 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 58 0 NDP 9 0K 2K 166960K 56 0 temp 76 8648K 8716K 166960K 51356 0 kqueue 14 22K 32K 166960K 183 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 99 0 96 1 0 1 1 0 8 0 rtentry 176 143 0 89 5 0 5 5 0 8 0 unpcb 144 576 0 559 5 3 2 4 0 8 1 syncache 336 4 0 4 2 2 0 1 0 8 0 tcpcb 736 314 0 307 11 9 2 10 0 8 1 arp 128 14 0 7 1 0 1 1 0 8 0 inpcb 328 1077 0 1062 21 14 7 12 0 8 5 nd6 144 41 0 29 2 0 2 2 0 8 1 pkpcb 40 71 0 71 2 1 1 1 0 8 1 kcovpl 48 9 0 1 1 0 1 1 0 8 0 ppxss 1192 31 0 31 1 0 1 1 0 8 1 pppxif 1504 6 0 6 1 1 0 1 0 8 0 pffrag 232 9 0 4 1 0 1 1 0 482 0 pffrnode 88 9 0 4 1 0 1 1 0 8 0 pffrent 40 16 0 11 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 24 104 0 24 1 0 1 1 0 8 0 pfstkey 128 104 0 24 3 0 3 3 0 8 0 pfstate 384 104 0 24 9 0 9 9 0 8 0 pfrule 1344 23 0 17 2 1 1 2 0 8 0 art_heap8 4096 2 0 1 2 1 1 2 0 8 0 art_heap4 256 823 0 575 36 4 32 32 0 8 11 art_table 40 825 0 576 6 0 6 6 0 8 1 art_node 32 142 0 96 1 0 1 1 0 8 0 sysvmsgpl 40 43 0 41 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 37 0 27 1 0 1 1 0 8 0 shmpl 112 22 0 2 1 0 1 1 0 8 0 dirhash 1024 19 0 2 3 0 3 3 0 8 0 dino2pl 256 3201 0 1693 95 0 95 95 0 8 0 ffsino 296 3201 0 1693 117 0 117 117 0 8 0 nchpl 144 4570 0 4028 64 31 33 64 0 8 8 rtmask 32 1 0 1 1 0 1 1 0 8 1 uvmvnodes 80 3509 0 0 72 0 72 72 0 8 0 vnodes 216 3509 0 0 195 0 195 195 0 8 0 namei 1024 14975 0 14974 3 2 1 2 0 8 0 percpumem 16 86 0 40 1 0 1 1 0 8 0 kstatmem 264 78 0 58 3 1 2 3 0 8 0 acpiwqpl 32 1 0 1 1 0 1 1 1 8 1 scsiplug 72 6 0 6 3 2 1 1 0 8 1 scxspl 216 36170 0 36169 12 9 3 8 1 8 2 plimitpl 152 294 0 275 1 0 1 1 0 8 0 sigapl 424 1280 0 1225 9 1 8 9 0 8 0 knotepl 120 624 0 0 19 0 19 19 0 8 0 kqueuepl 224 307 0 296 2 1 1 2 0 8 0 pipepl 344 331 0 304 17 11 6 9 0 8 3 fdescpl 528 1236 0 1205 3 0 3 3 0 8 0 filepl 160 7594 0 7369 23 8 15 17 0 8 3 lockfpl 104 460 0 458 2 0 2 2 0 8 1 lockfspl 48 165 0 163 1 0 1 1 0 8 0 sessionpl 144 26 0 17 1 0 1 1 0 8 0 pgrppl 48 48 0 31 1 0 1 1 0 8 0 ucredpl 104 1005 0 992 1 0 1 1 0 8 0 zombiepl 144 1582 0 1579 1 0 1 1 0 8 0 processpl 1248 1280 0 1225 6 0 6 6 0 8 0 procpl 656 2732 0 2669 9 2 7 8 0 8 0 sosppl 168 4 0 4 2 2 0 1 0 8 0 sockpl 752 1838 0 1803 32 21 11 17 0 8 7 mcl64k 65536 5 0 0 1 0 1 1 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 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 113 0 0 15 0 15 15 0 8 0 mcl2k 2048 25 0 0 4 0 4 4 0 8 0 mtagpl 96 4 0 0 1 0 1 1 0 8 0 mbufpl 256 252 0 0 15 0 15 15 0 8 0 bufpl 280 15407 0 9263 440 0 440 440 0 8 0 anonpl 32 15859 0 0 128 0 128 128 0 246 0 amapchunkpl 152 35785 0 35308 46 11 35 35 0 158 13 amappl16 200 5375 0 5185 54 39 15 42 0 8 0 amappl15 192 7 0 6 1 0 1 1 0 8 0 amappl14 184 122 0 110 1 0 1 1 0 8 0 amappl13 176 7 0 6 1 0 1 1 0 8 0 amappl12 168 1914 0 1884 3 1 2 2 0 8 0 amappl11 160 58 0 44 1 0 1 1 0 8 0 amappl10 152 5 0 5 1 1 0 1 0 8 0 amappl9 144 248 0 248 1 1 0 1 0 8 0 amappl8 136 27 0 24 1 0 1 1 0 8 0 amappl7 128 110 0 98 1 0 1 1 0 8 0 amappl6 120 188 0 184 1 0 1 1 0 8 0 amappl5 112 127 0 117 1 0 1 1 0 8 0 amappl4 104 312 0 289 1 0 1 1 0 8 0 amappl3 96 6899 0 6791 5 1 4 4 0 8 0 amappl2 88 675 0 613 2 0 2 2 0 8 0 amappl1 80 12084 0 11486 15 1 14 15 0 8 0 amappl 88 9839 0 9677 5 0 5 5 0 92 0 dma4096 4096 2 0 2 2 2 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 1 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 24 0 2 1 0 1 1 0 8 0 uaddrrnd 24 1236 0 1205 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1236 0 1205 1 0 1 1 0 8 0 vmmpekpl 168 12021 0 11977 3 0 3 3 0 8 0 vmmpepl 168 84969 0 82833 125 8 117 120 0 357 16 vmsppl 488 1235 0 1205 5 0 5 5 0 8 0 rwobjpl 80 28817 0 24194 96 0 96 96 0 8 0 pdppl 4096 2480 0 2410 104 32 72 82 0 8 2 pvpl 32 21138 0 0 171 0 171 171 0 265 0 pmappl 256 1235 0 1205 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 300 0 53 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp 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 __mp_lock(ffffffff839c3480) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff839c3480) at __mp_lock+0x192 sys/kern/kern_lock.c:165 intr_handler(ffff80002a39d450,ffff800000079a80) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:559 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff839c3480) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff839c3480) at __mp_lock+0x192 sys/kern/kern_lock.c:165 __mp_acquire_count(ffffffff839c3480,1) at __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 pool_get(ffffffff8386d6d0,1) at pool_get+0x266 sys/kern/subr_pool.c:588 uvm_mapent_alloc(fffffd806fd8f010,0) at uvm_mapent_alloc+0x354 sys/uvm/uvm_map.c:-1 uvm_map_mkentry(fffffd806fd8f010,fffffd806b966828,fffffd806b966828,200000000000,1000000,0,16333265d603b078,1000000) at uvm_map_mkentry+0x87 sys/uvm/uvm_map.c:-1 uvm_mapent_clone(fffffd806fd8f010,200000000000,1000000,0,3,7,b34bf5632f501dab,fffffd806bf4d8d8,ffff80002a39d8a8,fffffd806fd8f010) at uvm_mapent_clone+0xba sys/uvm/uvm_map.c:3467 uvm_mapent_forkcopy(1,fffffd806fd8f010,fffffd800b027988,fffffd806bf4d8d8,ffff80002a39d8a8) at uvm_mapent_forkcopy+0x6f sys/uvm/uvm_map.c:3559 uvmspace_fork(ffff80002a2c3a98) at uvmspace_fork+0x299 sys/uvm/uvm_map.c:3762 end trace frame: 0xffff80002a39d990, count: 0 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 __mp_lock(ffffffff839c3480) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff839c3480) at __mp_lock+0x192 sys/kern/kern_lock.c:165 intr_handler(ffff80002a39d450,ffff800000079a80) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:559 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff839c3480) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff839c3480) at __mp_lock+0x192 sys/kern/kern_lock.c:165 __mp_acquire_count(ffffffff839c3480,1) at __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 pool_get(ffffffff8386d6d0,1) at pool_get+0x266 sys/kern/subr_pool.c:588 uvm_mapent_alloc(fffffd806fd8f010,0) at uvm_mapent_alloc+0x354 sys/uvm/uvm_map.c:-1 uvm_map_mkentry(fffffd806fd8f010,fffffd806b966828,fffffd806b966828,200000000000,1000000,0,16333265d603b078,1000000) at uvm_map_mkentry+0x87 sys/uvm/uvm_map.c:-1 uvm_mapent_clone(fffffd806fd8f010,200000000000,1000000,0,3,7,b34bf5632f501dab,fffffd806bf4d8d8,ffff80002a39d8a8,fffffd806fd8f010) at uvm_mapent_clone+0xba sys/uvm/uvm_map.c:3467 uvm_mapent_forkcopy(1,fffffd806fd8f010,fffffd800b027988,fffffd806bf4d8d8,ffff80002a39d8a8) at uvm_mapent_forkcopy+0x6f sys/uvm/uvm_map.c:3559 uvmspace_fork(ffff80002a2c3a98) at uvmspace_fork+0x299 sys/uvm/uvm_map.c:3762 process_new(ffff80003600b230,ffff80002a2c3a98,1) at process_new+0x577 sys/kern/kern_fork.c:284 fork1(ffff8000ffff2f70,1,ffffffff8326def0,0,ffff80002a39da80,0) at fork1+0x3f6 sys/kern/kern_fork.c:-1 syscall(ffff80002a39db30) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a39db30) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7745eae75f50, count: -18 ddb{0}> machine ddbcpu 1 Stopped at dt_ioctl_record_stop+0x108: movq 0(%r14),%r14 dt_ioctl_record_stop(ffff800001497000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:586 dtclose(21e5f,1,2000,ffff80003c4639d8) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(21e5f,1,2000,ffff80003c4639d8) at dtclose+0x109 sys/dev/dt/dt_dev.c:232 spec_close(ffff80002a3accd0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd807071fb58,1,fffffd80097fb1a0,ffff80003c4639d8) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806b39fea8,ffff80003c4639d8) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806b39fea8,ffff80003c4639d8) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806b39fea8,ffff80003c4639d8) at fdrop+0x121 sys/kern/kern_descrip.c:1267 closef(fffffd806b39fea8,ffff80003c4639d8) at closef+0x192 sys/kern/kern_descrip.c:1251 fdfree(ffff80003c4639d8) at fdfree+0x116 sys/kern/kern_descrip.c:1182 exit1(ffff80003c4639d8,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80003c4639d8,ffff80002a3ad040,ffff80002a3acf90) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80002a3ad040) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a3ad040) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7e74b1fc36b0, count: 3 ddb{1}> trace dt_ioctl_record_stop(ffff800001497000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:586 dtclose(21e5f,1,2000,ffff80003c4639d8) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(21e5f,1,2000,ffff80003c4639d8) at dtclose+0x109 sys/dev/dt/dt_dev.c:232 spec_close(ffff80002a3accd0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd807071fb58,1,fffffd80097fb1a0,ffff80003c4639d8) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806b39fea8,ffff80003c4639d8) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806b39fea8,ffff80003c4639d8) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806b39fea8,ffff80003c4639d8) at fdrop+0x121 sys/kern/kern_descrip.c:1267 closef(fffffd806b39fea8,ffff80003c4639d8) at closef+0x192 sys/kern/kern_descrip.c:1251 fdfree(ffff80003c4639d8) at fdfree+0x116 sys/kern/kern_descrip.c:1182 exit1(ffff80003c4639d8,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80003c4639d8,ffff80002a3ad040,ffff80002a3acf90) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80002a3ad040) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a3ad040) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7e74b1fc36b0, count: -12